signals generated in digital form

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H04M1/505

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/505signals generated in digital form

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for content delivery and management
- Patent number 11,126,394
- Issue date Sep 21, 2021
- LISNR, Inc.
- Rodney B. Williams
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Access control and validation using sonic tones
- Patent number 11,074,033
- Issue date Jul 27, 2021
- LISNR, Inc.
- Chelsea Altman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mobile terminal for automatically making a telephone conversation u...
- Patent number 10,742,808
- Issue date Aug 11, 2020
- LG Electronics Inc.
- Taehoon Cho
- G05 - CONTROLLING REGULATING
Information Patent Grant
Mobile terminal
- Patent number 10,404,857
- Issue date Sep 3, 2019
- LG Electronics Inc.
- Taehoon Cho
- G05 - CONTROLLING REGULATING
Information Patent Grant
All-digital phase locked loop (ADPLL) including a digital-to-time c...
- Patent number 9,740,175
- Issue date Aug 22, 2017
- Marvell World Trade Ltd.
- Olivier Burg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Time-to-digital converter
- Patent number 9,092,013
- Issue date Jul 28, 2015
- QUALCOMM Incorporated
- Hui William Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephony service interaction management
- Patent number 8,990,071
- Issue date Mar 24, 2015
- Microsoft Technology Licensing, LLC
- Yun-Cheng Ju
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System effective to demodulate a modulated code and provide content...
- Patent number 8,862,156
- Issue date Oct 14, 2014
- Sonic Notify, LLC
- Alex Bell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for encoding characters and routing calls using e...
- Patent number 8,605,889
- Issue date Dec 10, 2013
- Edward D. Regan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF signalling between mobile and server
- Patent number 8,606,256
- Issue date Dec 10, 2013
- BlackBerry Limited
- Zhigang Ruan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System effective to modulate a code and provide content to a user
- Patent number 8,532,644
- Issue date Sep 10, 2013
- Alex Bell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System effective to demodulate a modulated code and provide content...
- Patent number 8,401,569
- Issue date Mar 19, 2013
- Sonic Notify, Inc.
- Alex Bell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF signalling between mobile and server
- Patent number 8,346,235
- Issue date Jan 1, 2013
- Research in Motion Limited
- Zhigang Ruan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF tone signal transmission method and DTMF tone signal transmiss...
- Patent number 8,311,033
- Issue date Nov 13, 2012
- NEC Infrontia Corporation
- Nobuhiro Monai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable dialer device and method
- Patent number 8,229,360
- Issue date Jul 24, 2012
- Ari Maor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication terminal having qwerty keys and method for out...
- Patent number 7,848,773
- Issue date Dec 7, 2010
- Samsung Electronics Co., Ltd.
- Sang Hoon Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for generating telephony dial tones
- Patent number 7,801,287
- Issue date Sep 21, 2010
- Clifford J. August
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic dialing device, a system, and a method for automatically...
- Patent number 7,170,995
- Issue date Jan 30, 2007
- David Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital communication translator
- Patent number 7,113,584
- Issue date Sep 26, 2006
- John G. Seay
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing universal access to voice response...
- Patent number 7,110,530
- Issue date Sep 19, 2006
- Iosif Meynekhdrun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
True DTMF dialer
- Patent number 7,068,777
- Issue date Jun 27, 2006
- Agere Systems Inc.
- Said O. Belhaj
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Push-button signal receiving circuit and a method of detecting a pu...
- Patent number 6,940,964
- Issue date Sep 6, 2005
- Fujitsu Limited
- Takashi Kakiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for generating tones for operating telephones
- Patent number 6,940,974
- Issue date Sep 6, 2005
- Clifford J. August
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse dialing system for VoIP modem
- Patent number 6,914,978
- Issue date Jul 5, 2005
- Ambit Microsystems Corp.
- Ying-Chieh Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone-based registration for a mobile user of a communications system
- Patent number 6,889,044
- Issue date May 3, 2005
- Sprint Communications Company L.P.
- Fred S. Cook
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic number capture
- Patent number 6,735,457
- Issue date May 11, 2004
- BellSouth Intellectual Property Corporation
- Charles M. Link
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF signal generator
- Patent number 6,671,315
- Issue date Dec 30, 2003
- Uniden Corporation
- Kazunori Asanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for receiving tone signal, apparatus for transmitting ton...
- Patent number 6,668,057
- Issue date Dec 23, 2003
- Kabushiki Kaisha Toshiba
- Eiji Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone detection in communication networks
- Patent number 6,650,627
- Issue date Nov 18, 2003
- Avaya Technology Corp.
- Peter David Goldman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone generation apparatus and method for simulating tone effect imp...
- Patent number 6,576,826
- Issue date Jun 10, 2003
- Yamaha Corporation
- Masao Kondo
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
AUDIO RECORDING SYSTEM AND APPARATUS
- Publication number 20150120027
- Publication date Apr 30, 2015
- INVISIBLE INTELLIGENCE, LLC
- Ronald Paul COTE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and device for secure phone banking
- Publication number 20140016780
- Publication date Jan 16, 2014
- QUALCOMM Incorporated
- Alexander GANTMAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM EFFECTIVE TO DEMODULATE A MODULATED CODE AND PROVIDE CONTENT...
- Publication number 20130288723
- Publication date Oct 31, 2013
- Alex Bell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR ENCODING CHARACTERS AND ROUTING CALLS USING E...
- Publication number 20130129077
- Publication date May 23, 2013
- Edward D. REGAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM EFFECTIVE TO MODULATE A CODE AND PROVIDE CONTENT TO A USER
- Publication number 20130078988
- Publication date Mar 28, 2013
- Alex Bell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM EFFECTIVE TO DEMODULATE A MODULATED CODE AND PROVIDE CONTENT...
- Publication number 20130079057
- Publication date Mar 28, 2013
- Alex Bell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE EFFECTIVE TO MODULATE A CODE AND TO PROVIDE CONTENT TO A USER
- Publication number 20130079058
- Publication date Mar 28, 2013
- Alex Bell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DTMF SIGNALLING BETWEEN MOBILE AND SERVER
- Publication number 20130079043
- Publication date Mar 28, 2013
- Research in Motion Limited
- ZHIGANG RUAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONY SERVICE INTERACTION MANAGEMENT
- Publication number 20110238414
- Publication date Sep 29, 2011
- Microsoft Corporation
- Yun-Cheng Ju
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DTMF SIGNALLING BETWEEN MOBILE AND SERVER
- Publication number 20110183649
- Publication date Jul 28, 2011
- Research In Motion Limited
- ZHIGANG RUAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable Dialer Device and Method
- Publication number 20090186574
- Publication date Jul 23, 2009
- Ari Maor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DTMF SIGNALING IN WIRELESS COMMUNICATIONS NETWORKS
- Publication number 20090046696
- Publication date Feb 19, 2009
- Jianxiong Shi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for overcoming dual tone multi frequency (DTMF) s...
- Publication number 20080304651
- Publication date Dec 11, 2008
- Embarq Holdings Company, LLC
- Amar N. Ray
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for amplifying attenuated DTMF signals in a packe...
- Publication number 20080304652
- Publication date Dec 11, 2008
- Embarq Holdings Company LLC
- Amar N. Ray
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE COMMUNICATION TERMINAL HAVING QWERTY KEYS AND METHOD FOR OUT...
- Publication number 20080224898
- Publication date Sep 18, 2008
- Samsung Electronics Co., Ltd.
- Sang Hoon JIN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR SECURE PHONE BANKING
- Publication number 20080144787
- Publication date Jun 19, 2008
- Alexander Gantman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROVIDING AND USING A TELEPHONE CALLING CARD
- Publication number 20080043952
- Publication date Feb 21, 2008
- Jeffrey Citron
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device and method for simulating a telephonic condition
- Publication number 20070263779
- Publication date Nov 15, 2007
- James Bradley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for in-band entity authentication via telephone
- Publication number 20060147000
- Publication date Jul 6, 2006
- SCHLUMBERGER OMNES, INC.
- Matthew T. Novi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DTMF tone signal transmission method and DTMF tone signal transmiss...
- Publication number 20050243872
- Publication date Nov 3, 2005
- NEC INFRONTIA CORPORATION
- Nobuhiro Monai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speech to DTMF conversion
- Publication number 20050216268
- Publication date Sep 29, 2005
- Plantronics, Inc., A DELAWARE CORPORATION
- Kenneth Kannappan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR DTMF WIRELESS HANDSET BASED TEXT MESSAGING
- Publication number 20040203652
- Publication date Oct 14, 2004
- Gao Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speed answers to voice prompts
- Publication number 20040192273
- Publication date Sep 30, 2004
- Al T. AuYeung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Combined and standalone hand held mobile communication system
- Publication number 20040185902
- Publication date Sep 23, 2004
- Tai-Her Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephony system with subliminally keyed speech recording
- Publication number 20040081291
- Publication date Apr 29, 2004
- Peter Tavernese
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic dialing device, a system, and a method for automatically...
- Publication number 20040032948
- Publication date Feb 19, 2004
- David Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pulse dialing system for VoIP modem
- Publication number 20040032945
- Publication date Feb 19, 2004
- Ying-Chieh Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for providing universal access to voice response...
- Publication number 20030147524
- Publication date Aug 7, 2003
- Iosif Meynekhdrun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods for generating tones for operating telephones
- Publication number 20030108188
- Publication date Jun 12, 2003
- Clifford J. August
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Push-button signal receiving circuit and a method of detecting a pu...
- Publication number 20030016058
- Publication date Jan 23, 2003
- FUJITSU LIMITED
- Takashi Kakiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

signals generated in digital form

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Systems and methods for content delivery and management

Access control and validation using sonic tones

Mobile terminal for automatically making a telephone conversation u...

Mobile terminal

All-digital phase locked loop (ADPLL) including a digital-to-time c...

Time-to-digital converter

Telephony service interaction management

System effective to demodulate a modulated code and provide content...

Method and device for encoding characters and routing calls using e...

DTMF signalling between mobile and server

System effective to modulate a code and provide content to a user

System effective to demodulate a modulated code and provide content...

DTMF signalling between mobile and server

DTMF tone signal transmission method and DTMF tone signal transmiss...

Portable dialer device and method

Mobile communication terminal having qwerty keys and method for out...

Systems and methods for generating telephony dial tones

Automatic dialing device, a system, and a method for automatically...

Digital communication translator

System and method for providing universal access to voice response...

True DTMF dialer

Push-button signal receiving circuit and a method of detecting a pu...

Systems and methods for generating tones for operating telephones

Pulse dialing system for VoIP modem

Tone-based registration for a mobile user of a communications system

Automatic number capture

DTMF signal generator

Apparatus for receiving tone signal, apparatus for transmitting ton...

Tone detection in communication networks

Tone generation apparatus and method for simulating tone effect imp...

Patents Applicationslast 30 patents

AUDIO RECORDING SYSTEM AND APPARATUS

Method and device for secure phone banking

SYSTEM EFFECTIVE TO DEMODULATE A MODULATED CODE AND PROVIDE CONTENT...

METHOD AND DEVICE FOR ENCODING CHARACTERS AND ROUTING CALLS USING E...

SYSTEM EFFECTIVE TO MODULATE A CODE AND PROVIDE CONTENT TO A USER

SYSTEM EFFECTIVE TO DEMODULATE A MODULATED CODE AND PROVIDE CONTENT...

DEVICE EFFECTIVE TO MODULATE A CODE AND TO PROVIDE CONTENT TO A USER

DTMF SIGNALLING BETWEEN MOBILE AND SERVER

TELEPHONY SERVICE INTERACTION MANAGEMENT

DTMF SIGNALLING BETWEEN MOBILE AND SERVER

Portable Dialer Device and Method

DTMF SIGNALING IN WIRELESS COMMUNICATIONS NETWORKS

System and method for overcoming dual tone multi frequency (DTMF) s...

System and method for amplifying attenuated DTMF signals in a packe...

MOBILE COMMUNICATION TERMINAL HAVING QWERTY KEYS AND METHOD FOR OUT...

METHOD AND DEVICE FOR SECURE PHONE BANKING

METHOD AND APPARATUS FOR PROVIDING AND USING A TELEPHONE CALLING CARD

Device and method for simulating a telephonic condition

Method for in-band entity authentication via telephone

DTMF tone signal transmission method and DTMF tone signal transmiss...

Speech to DTMF conversion

METHOD AND DEVICE FOR DTMF WIRELESS HANDSET BASED TEXT MESSAGING

Speed answers to voice prompts

Combined and standalone hand held mobile communication system

Telephony system with subliminally keyed speech recording

Automatic dialing device, a system, and a method for automatically...

Pulse dialing system for VoIP modem

System and method for providing universal access to voice response...

Systems and methods for generating tones for operating telephones

Push-button signal receiving circuit and a method of detecting a pu...