Wireless mobile telephone system with alternative power instruments and DTMF Capability

Abstract
A wireless telephone system incorporates voice activated mobile instruments that are powered through a separate pod that includes electrical couplings either to A.C. structural power or D.C. vehicular power. Furthermore, the system accommodates both digital (DTMF) and voice (audio) communication from the keyless mobile instruments to and through a switched telephone network.
Description




BACKGROUND OF THE INVENTION




(1) Field of Invention:




The present invention relates to wireless mobile telephone systems incorporating telephone instruments that are capable of being simple in form, e.g. keyless and battery-less, relatively inexpensive and conveniently available for flexible use, both for conversational and DTMF communication.




(2) Background Description:




In recent years, wireless mobile telephones have come into extensive use supported by various forms of central equipment. Generally, wireless telephone instruments, sometimes called “mobile stations” (MS) may be accommodated for example by geographically defined cells. Such systems afford the capability for wireless telephone instruments to communicate with other telephone terminals through the public telephone network while physically roving between locations.




Typically, in mobile wireless systems, individual wireless telephone instruments communicate at an initial level with central equipment, sometimes called “base stations” (BS). Operating with other components in a composite system, the geographically-spaced base stations enable mobile telephone instruments to roam through various geographic areas or cells. Thus, from various locations a mobile telephone instrument can communicate with virtually any telephone terminal throughout the entire dial-up telephone network, sometimes called the “public switched telephone network” (PSTN). Systems may also include a unit called a “mobile switching center” (MSC) for accommodating communication through the PSTN. Accordingly, through wireless mobile telephone communication can be quite effective, a need continues to exist for further convenience and flexibility in the use of mobile telephone instruments.




In the interests of simplicity and economy, it has been proposed to provide voice activated wireless telephone systems using instruments without a numerical keypad, that is, keyless instruments. Essentially, voice-dialing for such instruments is accommodated by voice recognition of spoken numerals to accomplish DTMF signals (dual tone multi frequency) for dialing operations. For example, see a co-pending U.S. patent application entitled: WIRELESS PREPAID TELEPHONE SYSTEM FOR PROGRAMMED AND EXPANDED USE, Ser. No. 09/226,178, filed Jan. 4, 1999 which is a continuation in part of an application entitled WIRELESS PREPAID TELEPHONE SYSTEM WITH EXTENDED CAPABILITY, Ser. No. 08/955,338, filed Oct. 21, 1997, which is a continuation in part of an application entitled WIRELESS PREPAID TELEPHONE SYSTEM WITH DISPENSABLE INSTRUMENTS, Ser. No. 08/878,864, filed Jun. 19, 1997, all incorporated by reference herein. Such systems convert audio signals from a telephone instrument that are representative of spoken numerals to DTMF signals for dial up connection to another terminal for vocal communication. However greater flexibility may be desirable in that regard.




In another regard, a weak link in mobile telephone communications involves power for the telephone instrument, e.g., the battery. Essentially, the user of a mobile telephone instrument must always be concerned with the state of the instrument's battery. If an instrument is not used for a time, concern grows for the charge state of the battery. Furthermore, for some batteries, certain charging patterns may be detrimental to the battery power cycle. For example, to maintain an effective power cycle of a battery, it may be important to fully discharge the battery before recharging. Accordingly, maintaining a mobile telephone battery charged for operation sometimes is inconvenient. Essentially without careful planning, a mobile instrument user may be faced with a discharged battery when the need for the instrument is most urgent.




As a related consideration, it is noteworthy that the power pack or battery of a mobile telephone instrument typically accounts for a considerable portion of the instrument's weight, cost and volume. Thus, the battery of a mobile telephone instrument not only presents a limitation on the use of such instruments but also imposes constraints on the design of such instruments.




In view of the above considerations, it may be appreciated that a need exists for mobile telephone instruments which avoid the use of a battery. Additionally, as indicated, a need exists for greater convenience and flexibility with regard to keyless mobile instruments, specifically confirming digital communication and affording communication at any time by either conversational speech (voice) or by DTMF signals (digital). That is, a need exists for a system incorporating mobile instruments that are capable of using voice selectively to communicate either conversationally by speech or digitally by DTMF tones (0-9 etc.).




SUMMARY OF THE INVENTION




To some extent, aspects of the present invention are based on recognizing certain distinct features of wireless mobile telephone systems. For example, the very nature of mobile systems renders the individual telephone instruments: more susceptible to loss or misplacement, more susceptible to misuse, more likely to be individually used (by only a single person), more likely to be unused for long intervals of time, more likely to be intended for emergency or urgent use, more likely to be intended for use in unconventional locations and so on.




Generally, in accordance with one aspect of the present development, in lieu of a battery, wireless telephone instruments are provided with a flexible and convenient power adapter for use with alternative power sources, e.g. automotive power (vehicular) or AC power as available in most buildings (structural). Also, instruments as disclosed herein are simplified by eliminating the traditional keypad (keyless) and utilizing voice dialing (voice driven). Voice recognition apparatus in the system central equipment facilitates voice dialing and additionally enables digital communication. A controlled switching capability is provided in the central system to selectively enable communication from the instruments to, or through the public switched telephone network either in a conversational mode (speech) or a DTMF mode (data). Accordingly, in the disclosed embodiment, effective telephonic communication is possible with other telephone terminals from an economical, convenient and compact wireless telephone instrument using either traditional conversation or DTMF signals, (as for a computer telephone interface—CTI). Also, voice dialing (and digital data input) is supplemented by confirmation of individual digits as transmitted.











BRIEF DESCRIPTION OF THE DRAWINGS




In the drawings, which constitute part of this specification, an exemplary embodiment of the invention is set forth as follows:





FIG. 1

is perspective view showing a wireless telephone instrument in accordance with the present invention and for use in a system in accordance with the present invention;





FIG. 2

is a sectional view taken lengthwise through the instrument of

FIG. 1

;





FIG. 3

is block diagram of a system in accordance with the present invention showing plural telephone instruments and central station components for use with a public switched telephone network; and





FIG. 4

is a flow chart detailing certain operations of the system of FIG.


3


.











DESCRIPTION OF THE PREFERRED EMBODIMENT




As indicated above, a detailed embodiment of the present invention is disclosed herein. However, the embodiment is merely representative, recognizing that a wide variety of alternative embodiments are possible utilizing a multitude of different techniques and components variously distributed and located. Nevertheless, the disclosed embodiment is deemed to afford the best embodiment for purposes of disclosure and to provide a basis for the claims herein which define the scope of the present invention.




Referring initially to

FIG. 1

, a mobile station or wireless telephone instrument TI is depicted showing some of the external components. Specifically, the instrument TI includes an elongate tubular hand piece


10


(housing) shown matingly engaged with a power pod unit


12


. Essentially, the hand piece


10


is telescopically engaged (frictionally) with the pod unit


12


when the instrument TI is not in use. When in use, the pod unit


12


is separated from the hand piece


10


and coupled to a power source (for example, either conventional “110 V,” AC power or low voltage D.C. power, e.g., automotive). As disclosed in detail below, a cable (treated below) is provided from the pod unit


12


(when engaged to a power connection) supplying appropriate power to the handpiece


10


while allowing the connected handpiece


10


to be positioned near a user's face.




Considering the instrument TI in greater detail as shown in

FIG. 1

, an antenna


14


is fixed at the end (right) of the hand piece


10


. Near the antenna


14


, perforations


16


in the hand piece


10


pass sound to the user's ear. At locations near the perforations


16


, a pocket clip


18


and a pilot lamp


20


are provided.




As the instrument TI is shown in

FIG. 1

, other external components of the hand piece


10


are obscured by the power pod


12


. However, note that the pod unit


12


includes a block


21


, somewhat in the shape of a semi cylinder, extended at its plane surface, and which contains prongs or bayonet contact elements


22


of an AC plug shown withdrawn or recessed in the pod unit


12


. The contact elements


22


are carried on a frame (not shown in

FIG. 1

) which incorporates a slide button


24


fixed in an elongated opening


26


that extends parallel to the cylindrical axis. Accordingly, moving the slide button


24


away from the hand piece


10


positions the contact elements


22


out of the pod unit


12


for engagement with a conventional AC receptacle. Alternatively, as disclosed in detail below, the pod unit


12


may engage the traditional “cigarette lighter” coupling in widespread automotive use to provide DC power.




Considering the instrument TI in greater detail, reference will now be made to FIG.


2


. Somewhat at the center of

FIG. 2

, a hemispherical distal end


30


of the pod unit


12


is shaped hemispherically for male engagement with a conventional automotive power outlet (cigarette lighter receptacle—not shown). The distal end


30


is integral with a cylindrical portion


32


of the pod


12


and the block


21


. Essentially, the distal end


30


of the pod unit


12


accommodates DC coupling while the opposed end


36


accommodates an AC coupling. Generally, the block


21


and integral structure of the pod unit


12


may be formed of plastic non conductive material.




Considering the pod unit


12


in greater detail, as illustrated, when not in use, the end


30


(right) is matingly received in the hand piece


10


. The domed hemisphere is terminated by a concentric metallic contact


38


. Thus, the contact


38


provides one DC power connection, while a second connection is provided by an annular band contact


40


, concentrically mounted on the cylinder portion


32


. Accordingly, insertion of the distal end


30


and the cylindrical portion


32


into an energized automotive receptacle provides direct current (DC) power.




The electrical connection provided by the contacts


38


and


40


is through wires


42


and


44


which are coupled to a converter


54


from which a cable pair


46


emerges and are wrapped to form a coil


48


when the instrument TI is not in use. Note that the coil


48


dwells in an annular space


50


defined between the hand piece


10


and the block


21


when the two are matingly engaged. The opposed end


51


of the cable


46


is electrically connected to power an electronics package


52


mounted in the tubular hand piece


10


.




Returning to the electrical structure of the pod unit


12


for further consideration, connectors or wires


42


and


44


are coupled to the converter


54


which alternatively may be connected to a source of alternating current (AC) power through expansion wires


56


and a plug structure


58


. The plug structure


58


incorporates a yoke


60


of insulating material which supports the AC contact elements


22


that are electrically connected to the wires


56


. The yoke


60


is supported on rails


64


allowing it to move axially with respect to the pod unit


12


so as to extend the prongs or contact elements


22


for electrical engagement with a conventional AC receptacle. Thus, either the prongs


22


or the contacts


38


(connected as shown through contacts


69


of a switch


68


when prongs


22


are withdrawn) and


40


may engage mating connections (not shown) to a source of power. Accordingly, the power converter


54


is energized to power the electronics package


52


with appropriate electrical energy.




The power pod unit


12


may be disengaged from the hand piece


10


, simply by force to engage an electrical power connection through the cable


46


(e.g. vehicular or structural), allowing freedom of movement for the hand piece


10


. Thus, energized, the power converter


54


receives either AC power (prongs


22


and wires


56


) or DC power (contact


38


and band


40


) functioning to provide the appropriate power for the electronics package


52


. When so powered, the lamp


20


(

FIG. 1

) is energized. Note that when the instrument TI is not in use, the cable


46


is simply wrapped about the cylindrical portion


32


and concentrated as the coil


48


in an annular space defined between the pod


12


and the hand piece


10


.




The hand piece


10


functions as a housing for the electronics package


52


along with other transceiver elements including an earphone


70


(

FIG. 1

, under the perforations


16


). Additionally, the hand piece


10


carries a microphone


72


, which is also connected to the electronics package


52


and which is fixed in a cylindrical wall


74


of the hand piece


10


.




In view of the above description, it will be apparent that a particularly economical and practical telephone instrument TI may be provided in accordance herewith without many of the problems sometimes occurring in the use of such units. Generally, the individual instrument TI would be one of a multitude capable of interfacing wireless central station apparatus for connection to another telephonic terminal through the public switched telephone network. The connection would be accomplished through central equipment (interfacing the public switched telephone network) by the user of the instrument TI speaking the numbers of a called telephone terminal. With the established connection through a switched telephone network, normal voice communication could proceed. However, the situation sometimes arises when, after communication is established with another terminal, it is desirable to communicate from the wireless instrument, e.g. the instrument TI, using DTMF or other forms of non-vocal signals. That is, in many situations, it is desirable to communicate (as with a computer) from a telephone instrument, providing digital information with Touch-Tone signals, e.g. DTMF (dual-tone multiple frequency). In accordance herewith, such communication is accommodated as will now be explained.




In

FIG. 3

, a multitude of wireless mobile telephone instruments P


1


-Pn are represented (left). Essentially, the instruments P


1


-PN interface a central wireless system C to accomplish telephonic connection through a switched telecommunications network S with any of a plurality of other telephonic terminals generally indicated as remote terminals TR


1


-TRn. As illustrated, the other terminals TR


1


-TRn may include computers and the like. Somewhat summarily, the communication operation involves a caller using one of the terminals P


1


-Pn to interface the central system C for the entry of spoken numerals representative of a called number. In the disclosed embodiment at the outset, the system C converts or translates the spoken numerals to DTMF signals and accordingly actuates the network S to establish a telephonic communication between the calling terminal, e.g. P


1


and a called number, e.g. terminal TR


1


. Thereafter, in accordance herewith, the wireless instrument P


1


may communicate with the called terminal TR


1


, using either voice communication or digital (DTMF) communication. Consequently, the caller, for example at the instrument P


1


, can effectively interface a computer, as to obtain information, participate in a collective activity, accomplish any of a multitude of transactions and so on. Thus, through various paths, the voice-actuated wireless instruments P


1


-Pn are capable of effective computer telephonic interface (CTI).




Considering the system of

FIG. 3

in greater detail, the individual wireless instruments P


1


-Pn communicate through radio links with a transceiver platform


80


as illustrated. In that regard, the platform incorporates antenna structure


82


to facilitate individual radio links and is capable of simultaneously accommodating many individual instruments from the group of instruments P


1


-Pn. That is, the central wireless system C includes the capability to concurrently process and accommodate communication from an active plurality of the units or instruments P


1


-Pn simultaneously through a large number of individual lines L


1


through Ln. The platform


80


may also include some processing or voice capability. As the platform


80


and other elements of the central wireless system C are provided, the various capabilities may shift from one element to another. Related to that consideration, note that in the detailed system of

FIG. 3

, a single block diagram is shown to accommodate one line L


1


of many lines L


1


-Ln. Of course, all of the lines L


1


-Ln are to be accommodated; however, several alternatives exist to simply replicating the implementation blocks of FIG.


3


. Specifically, reference is to such techniques and structures as multiplexing and so on. Thus, the capability illustratively coupled to the line L


1


is afforded for each of the other lines as by multiplexing, parallel operation and so on.




The line L


1


is coupled to a telephone instrument interface or bridge


84


which serves to obtain the called telephone number and to indirectly provide appropriate dialing signals to the switched telecommunication network S to accomplish the desired connection. As indicated above, such dialing signals may for example take the form of Touch-Tone signals or DTMF signals.




A form of apparatus suitable for use as the bridge


84


is described in detail in the above-referenced patent applications incorporated by reference herein. For example, the bridge


84


may incorporate an audio response unit for prompting callers to speak called telephone numbers, along with voice decoder apparatus for translating spoken called numbers into keypad signals, e.g. DTMF, which are provided to the network S. Upon accomplishing a desired connection, the bridge


84


simply couples the calling instrument to the established connection through the network S.




In view of the above preliminary explanations in the system of

FIG. 3

, a comprehensive understanding thereof may now be accomplished by considering a sequence of operations and explaining additional elements along with their function. Accordingly, assume a user at the wireless instrument P


1


who desires to establish telephonic contact with the terminal TRn (a computer). At the outset, the user separates the hand piece


10


(

FIGS. 1 and 2

) from the pod


12


, inserts the pod into a power receptacle (AC or DC) thereby providing power to the electronics package


51


. Thus, the pilot lamp


20


is energized and an introductory signal is provided from the instrument P


1


to the transceiver platform


80


(FIG.


3


). As a consequence, the platform


80


actuates the telephone instrument interface or bridge


84


which controls the process to sequence the connection operation. Specifically, the bridge


84


prompts the user to provide the called telephone number, receives the number (vocal signals) acknowledges receipt of the number and provides a signal in a line


92


to reset a binary


94


. Depending on the state of the binary


94


, communication is either keypad (digital) or voice. Accordingly, the output of the binary is high in one of the lines


95


or


96


.




Considering these operational steps in greater detail, note that they may be variously allocated between the platform


80


and the interface


84


depending on equipment selections and implementations. To prompt the user, a dial tone or other signal may be transmitted to the instrument P


1


. As the caller (at the instrument P


1


) speaks each decimal digit, an acknowledgment signal is provided. That is, the spoken numerals (digits) of the called number are represented by received audio signals passed from the bridge


84


through the line


88


to a gate


99


which is qualified by the high binary signal in the line


95


and accordingly passes the voice signals to a voice-DTMF detector or translator


101


. Next, individual DTMF signals (or other keypad signals) are passed from the translator


101


back to the platform


80


and then transmitted back to the instrument P


1


to acknowledge the digits. Additionally, the translated digit signal (e.g. DTMF) is passed through a diode


100


and the line


103


to the network S to accomplish a dial up connection.




With completion of the dialing, the bridge


84


senses the dial up connection through a diode


116


and provides a high binary signal in a line


104


to set the binary


94


for vocal (conversation) communication. Specifically, with the gate


98


qualified, the operation is to pass audio signals representative of voice. That is, the operation after establishing a connection from calling terminal P


1


to called terminal TRn is to set the vocal conversation state with the binary


94


set. Such a mode of operation is referred to as the “conversation state.” Note that with a conversation state established between the instrument P


1


, and a telephone terminal, TR


1


, networks no longer receives DTMF signals. That is, the network S is no longer responsive to dialing signals as in a DTMF form. Consequently, if voice communication were the caller's objective, such could be pursued at the present stage. Note that the logic circuit


90


monitors the operation for commands by the caller to initiate digital communication.




In the conversation state, audio from the instrument P


1


passes through: the line L


1


, the bridge


84


, the line


88


, the gate


98


, the diode


100


and the line


103


to the network S. Similar signals from the network S (terminal TRn) pass through: the line


103


, the diode


116


, the line


88


and the bridge


84


to the L


1


.




Recapitulating, the operation of the system of

FIG. 3

is illustrated by a flow diagram in FIG.


4


. Specifically, a block


110


represents the process step of connecting the called and calling terminals as explained above. Thereafter, a block


112


indicates the predefined process step of initiating a conversational state, establishing a vocal path for the communication link through the gate


98


(

FIG. 3

) as explained above. If however, the digital or DTMF state is desired, the binary


94


must be reset to establish a data path.




To accommodate digital communication, for example between the instrument P


1


and the computer terminal TRn, the operating mode or state is altered to digital by the caller giving a command signal. The change of state is accomplished by the user at the instrument P


1


speaking a series of words, e.g. “no” in rapid succession. In

FIG. 4

, the manual input operation is represented by a block


120


. In the system of

FIG. 3

, the spoken series of the word “no” is detected by a detector


122


(center right) to provide a pulse or binary high signal to reset the binary


94


. As a result, the DTMF or digital state is represented by a block


124


in FIG.


4


. The operation of the system in the system in the digital state to accommodate communication with keypad signals, for example DTMF signals will now be considered.




Recapitulating, in the digital state, the gate


98


is “closed” and the gate


99


is “open”; both under control of the binary


94


. Thus, the gates


98


and


99


serve as switches to route the communication signals as desired. To consider the operation, assume that the computer TRn produces voice signals for cuing the caller at the instrument P


1


. For example, the voice signals might take the form: “Please enter your social security number.” Audio signals representative of such a cue would pass through the network S, the line


103


, the diode


116


, the line


88


, the bridge


84


and be transmitted by the platform


82


to the instrument P


1


. Responsive to the cue, assume the system is in the digital state and the caller speaks the individual social security numerals, e.g. “529-20-4731.” The spoken digit words are received by the platform


80


, passed through the bridge


84


and the gate


99


to the voice translator


101


. In the disclosed embodiment, utilizing known technology, the translator


101


sequentially translates or converts the spoken numerals to representative DTMF signals. The represented numerals are acknowledged to the caller and DTMF signals representative of the social security number (529-20-4731) are provided through the diode


100


, the line


103


and the network S to the computer TRn. Accordingly, a digital interface communication is accomplished in accordance herewith.




In a typical interface, further voice-digital exchanges would occur, the caller being prompted by spoken words (audio) and replying digitally as a result of the system converting spoken numerals to a digital form (DTMF). Consequently, a computer telephonic interface is accomplished as to enable any of a multitude of transactions or other exchanges.




At some point during the digital state, it may be desirable to return to the conversational voice state. To accomplish the change in the illustrative system of

FIG. 3

, the caller gives a command signal, herein speaks a series of words indicating the numeral “seven.” The detailed operation of accomplishing the switch or change of state will now be considered.




With the occurrence of spoken words indicating “seven,” a “7”s detector


130


senses the series of seven's and sets the binary


94


. That is, the binary


94


is set in a state to provide a high signal level in the line


96


. Accordingly, the gate


99


is “closed” and the gate


98


is “opened” returning the system to the audio or voice state. The operation is graphically represented in

FIG. 4

by the block


126


. Of course, the caller may repeatedly switch between the two operating states. Also, it is to be recognized that any of a variety of sensors may be employed in combination with specific program instructions to switch a change in state. Although computer telephonic interface operations frequently involve calls placed from a telephone instrument as the instrument P


1


to a computer, as the computer TRn, it is noteworthy that systems in accordance herewith may accommodate calls originating at the computer. In that regard, note that calls originated by the computer TRn actuate a connection through the network S, the line


103


, the diode


116


and the line


88


to the bridge


84


. Consequently, the bridge


84


utilizes known mobile telephone technology to complete the call to a wireless unit, e.g. the instrument P


1


.




In the operation of the system of

FIG. 3

, it may be desirable to provide some form of signal indicating the current state of the system. In accordance with the system of

FIG. 3

, the voice or conversation state is conventional in that no signaling occurs. However, in the digital state, a form of a state signal is provided to the user, for example the person using the instrument P


1


. Of course, any of a variety of signals could be utilized to manifest the digital state. However, in the illustrative embodiment, during intervals of silence, a simple lowfrequency intermittent tone is provided. Consider the structure.




A silence or null detector


130


is connected to the line


103


to provide a high-level binary signal at a time when the line is null (carries no signals) the null-indicating signal is provided to a gate


132


which is also connected to receive the reset signal (digital state) from the binary


94


. Accordingly, during the digital state, the gate


132


is qualified to provide a high output through a line


139


to an intermittent tone generator


136


. Essentially, the generator


136


is simply keyed by the received signal to provide an intermittent low-frequency tone to the line


88


. Consequently, when the system is in the keypad or digital state, during periods of silence, a low-frequency tone is provided through the bridge


84


to the platform


80


for transmission to the caller at the instrument P


1


. Thus, the digital state is manifest as a convenient reminder to the caller.




In view of the above, it will be clear that an effective, convenient and inexpensive wireless telephone instrument may be provided for use in association with any of a variety of different systems. Furthermore, in accordance herewith, such mobile units are accommodated with the ability to communicate either conversationally or digitally, as by using keypad signals. In that regard, it would be apparent that other embodiments and processes may be employed, utilizing the developments hereof. While a preferred embodiment has been described and illustrated, various substitutions and modifications may be made thereto without departing from the scope of the invention. Thus, it is to be understood that the present invention has been described by way of illustration and not limitation. Accordingly, the proper scope hereof is deemed appropriately determined on the basis of the claims as set forth below.



Claims
  • 1. A wireless mobile telephone instrument for operation with a wireless central system to interface a switched telephone network for communication with other telephone terminals and adapted to be powered alternatively through a vehicular or a structural power connection, comprising:a housing defining an elongate tubular shape along with an interior space and one element for a releasable engagement; a radio transceiver fixed in said interior space of said housing for transmitting voice representative signals to indicate digital representations for mobile telephone operation with said wireless central system for connection to another telephone terminal through the switched telephone network; a power pod defining another element for releasable engagement with said one element of said housing and including a vehicular electrical coupling for engaging said vehicular power connection and a structural electrical coupling for engaging said structural power connection; and a converter fixed in said power pod alternatively electrically coupled to said vehicular electrical coupling and said structural electrical coupling to supplying appropriate power to said radio transceiver.
  • 2. A wireless mobile telephone instrument according to claim 1 wherein said converter is electrically coupled to said radio transceiver by a length of cable, and said housing, in cooperation with said power pod define a space for receiving said length of cable.
  • 3. A wireless mobile telephone instrument according to claim 1 wherein said pod includes said vehicular electrical coupling and said structural electrical coupling disposed in opposing relationship to alternately engage a power connection.
  • 4. A wireless mobile telephone instrument according to claim 1 wherein said structural electrical coupling includes a pair of elongate bayonet contacts telescopically mounted for withdrawal into said power pod.
  • 5. A mobile wireless telephone instrument for communication with remote telephone terminals through a central system, and powered alternatively through an automotive receptacle or a structural receptacle, the mobile wireless telephone instrument comprising:a transceiver for wireless communication for communication with a central structure and including a microphone and an earphone; a connection structure defined to mate alternatively with an automotive receptacle and a structural receptacle for engagement with a power source; a converter electrically coupled to the connection structure for energizing the transceiver; housing structure for containing the transceiver, the connection structure and the converter, and separable to provide a separate part from the remaining housing, the separate part comprising the microphone and the earphone; and a cable for electrically coupling the separate part to the remaining housing.
  • 6. A mobile wireless telephone instrument according to claim 5 wherein the connection structure includes an automotive connector and an oppositely extending structural connector.
  • 7. A mobile wireless telephone instrument according to claim 5 wherein the structural connector includes a pair of retractable prong contacts.
  • 8. A mobile wireless telephone instrument according to claim 5 wherein the separate part consists of the connection structure and the converter.
  • 9. A mobile wireless telephone instrument according to claim 5 wherein the remaining housing contains the transceiver, the microphone and the earphone, and a separate part contains the converter and the connection structure.
  • 10. A mobile wireless telephone instrument according to claim 5 wherein the transceiver comprises a voice driven keyless instrument.
  • 11. A mobile wireless telephone according to claim 5 wherein the housing structure defines a space to receive the cable.
  • 12. A mobile wireless telephone according to claim 11 wherein the space comprises an annular space to receive the cable as a coil.
  • 13. A mobile wireless telephone according to claim 5 wherein the connection structure includes AC contact elements movably mounted with respect to the housing structure.
  • 14. A mobile wireless telephone according to claim 13 further including switch structure controlled by the position of the AC contact elements.
  • 15. An alternative-power wireless mobile telephone instrument for use alternatively with a vehicular power connection or a structured power connection to enable communication with remote telephone terminals, comprising:a handpiece; a mobile electronics unit, affixed to the handpiece and embodying the components of a wireless mobile telephone for communication with remote telephone terminals; and a power pod unit electrically connected to the mobile electronics unit by an electrical cable and defining a vehicular connector for electrical coupling with the vehicular power connection and a structured connector for electrical coupling with the structural power connection, the power pod being separably engagable with the handpiece to mutually define a space for containing the electrical cable.
  • 16. An alternative-power wireless mobile telephone instrument according to claim 15 wherein the defined vehicular connector comprises a mating component for a conventional automotive power outlet.
  • 17. An alternative-power wireless mobile telephone instrument according to claim 15 wherein the defined structural connector comprises a mating component for a conventional AC receptacle.
  • 18. An alternative-power wireless mobile telephone instrument according to claim 15 wherein the power pod defines said connectors in aligned opposing relationship.
  • 19. An alternative-power wireless mobile telephone instrument according to claim 15 wherein the power pod further includes a slide mechanism for positioning elements of the structural connector.
RELATED APPLICATION INFORMATION

This is a divisional of application Ser. No. 09/953,766 filed on Sep. 16, 2001, entitled “Wireless Mobile Telephone System With Voice-Dialing Telephone Instruments and DTMF Capability, which is a continuation of application Ser. No. 09/311,795 filed May 13, 1999, entitled “Wireless Mobile Telephone System With Voice-Dialing Telephone Instruments and DTMF Capability,” now U.S. Pat. No. 6,292,675, which is a continuation-in-part of application Ser. No. 08/955,338 filed Oct. 21, 1997, entitled “Wireless Prepaid Telephone System With Extended Capability,” now U.S. Pat. No. 6,298,250, which is a continuation-in-part of application Ser. No. 08/878,864 filed on Jun. 19, 1997, entitled “Wireless Prepaid Telephone System With Dispensable Instruments,” now U.S. Pat. No. 6,049,710, each of which is hereby incorporated by reference herein as if set forth fully herein.

US Referenced Citations (89)
Number Name Date Kind
3688126 Klein Aug 1972 A
4007364 Ojima et al. Feb 1977 A
4320256 Freeman Mar 1982 A
4475189 Herr et al. Oct 1984 A
4596900 Jackson Jun 1986 A
4611094 Asmuth et al. Sep 1986 A
4731811 Dubus Mar 1988 A
4829514 Frimmel, Jr. et al. May 1989 A
4856066 Lemelson Aug 1989 A
4870686 Gerson et al. Sep 1989 A
4879744 Tasaki et al. Nov 1989 A
4969180 Watterson et al. Nov 1990 A
5042063 Sakanishi et al. Aug 1991 A
5153902 Buhl et al. Oct 1992 A
5195090 Bolliger et al. Mar 1993 A
5203009 Bogusz et al. Apr 1993 A
5222121 Shimada Jun 1993 A
5274695 Green Dec 1993 A
5297183 Bareis et al. Mar 1994 A
5297194 Hunt et al. Mar 1994 A
5353335 D'Urso et al. Oct 1994 A
5353336 Hou et al. Oct 1994 A
5369685 Kero Nov 1994 A
5377256 Franklin et al. Dec 1994 A
5420912 Kopp et al. May 1995 A
5440620 Slusky Aug 1995 A
5450479 Alesio et al. Sep 1995 A
5461664 Cappadona Oct 1995 A
5485505 Norman et al. Jan 1996 A
5499288 Hunt et al. Mar 1996 A
5509049 Peterson Apr 1996 A
5509060 Hall et al. Apr 1996 A
5541977 Hodges et al. Jul 1996 A
5574771 Driessen et al. Nov 1996 A
5592535 Klotz Jan 1997 A
5593323 Dernehl Jan 1997 A
5599204 Glassford Feb 1997 A
5602900 Hattori Feb 1997 A
5640689 Rossi Jun 1997 A
5652789 Miner et al. Jul 1997 A
5659597 Bareis et al. Aug 1997 A
5710813 Terui et al. Jan 1998 A
5719926 Hill Feb 1998 A
5754645 Metroka et al. May 1998 A
5778313 Fougnies Jul 1998 A
5790636 Marshall Aug 1998 A
5797101 Osmani et al. Aug 1998 A
5802466 Gallant et al. Sep 1998 A
5812945 Hansen et al. Sep 1998 A
5815807 Osmani et al. Sep 1998 A
5818915 Hayes, Jr. et al. Oct 1998 A
5826185 Wise et al. Oct 1998 A
5828738 Spaeth Oct 1998 A
5832371 Thornton Nov 1998 A
5835570 Wattenbarger Nov 1998 A
5839058 Phillips et al. Nov 1998 A
5845218 Altschul Dec 1998 A
5847545 Chen et al. Dec 1998 A
5850599 Seiderman Dec 1998 A
5854975 Fougnies et al. Dec 1998 A
5867796 Inutsuka Feb 1999 A
5870459 Phillips et al. Feb 1999 A
5884188 Hayes, Jr. Mar 1999 A
5940503 Palett et al. Aug 1999 A
5946613 Hayes, Jr. et al. Aug 1999 A
5963859 Keating Oct 1999 A
5966654 Croughwell et al. Oct 1999 A
5995926 Gupta et al. Nov 1999 A
6049710 Nilsson Apr 2000 A
6085080 Rahikainen et al. Jul 2000 A
6138036 O'Cinneide Oct 2000 A
6149353 Nilsson Nov 2000 A
6154526 Dahlke Nov 2000 A
6157848 Bareis et al. Dec 2000 A
6167118 Slivensky Dec 2000 A
6167251 Segal et al. Dec 2000 A
6198947 Barber Mar 2001 B1
6226532 Kim et al. May 2001 B1
6243596 Kikinis Jun 2001 B1
6292675 Nilsson Sep 2001 B1
6298250 Nilsson Oct 2001 B1
6308053 Nilsson Oct 2001 B1
6393304 Meche May 2002 B1
6400967 Nilsson Jun 2002 B1
6400969 Yamashita et al. Jun 2002 B1
6405029 Nilsson Jun 2002 B1
6418328 Shon Jul 2002 B1
6473610 Nilsson Oct 2002 B1
6483273 Lee Nov 2002 B1
Foreign Referenced Citations (1)
Number Date Country
WO 9914928 Mar 1999 WO
Continuations (1)
Number Date Country
Parent 09/311795 May 1999 US
Child 09/953766 US
Continuation in Parts (2)
Number Date Country
Parent 08/955338 Oct 1997 US
Child 09/311795 US
Parent 08/878864 Jun 1997 US
Child 09/953766 Sep 2001 US