for metering arrangements or prepayment telephone systems

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CPC
H04M3/248

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M3/00Automatic or semi-automatic exchanges

Current Industry

H04M3/248for metering arrangements or prepayment telephone systems

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Testing toll-free data service campaigns
- Patent number 9,467,339
- Issue date Oct 11, 2016
- Verizon Patent and Licensing Inc.
- Hong Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for individual sequential campaign
- Patent number 9,002,731
- Issue date Apr 7, 2015
- Papatel, Inc.
- Enrique A. Baiz Matuk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and testing device for verifying the charge invoicing for a...
- Patent number 7,920,683
- Issue date Apr 5, 2011
- Deutsche Telekom AG
- Monika Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for monitoring time-related connection data detec...
- Patent number 7,302,045
- Issue date Nov 27, 2007
- Deutsche Telekom AG
- Monika Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, evaluation device and method for verifying connection-relat...
- Patent number 7,164,758
- Issue date Jan 16, 2007
- Deutsche Telekom AG
- Ernst Schneider
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for verifying subscriber data records in a teleph...
- Patent number 7,155,205
- Issue date Dec 26, 2006
- BellSouth Intellectual Property Corporation
- Robert E. Cerami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of scheduling connections
- Patent number 6,516,052
- Issue date Feb 4, 2003
- British Telecommunications public limited company
- Christos Voudouris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing service assurance for prepaid telec...
- Patent number 6,483,909
- Issue date Nov 19, 2002
- Sprint Communications Company L.P.
- Minh Duy Khuc
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing service assurance for prepaid telec...
- Patent number 6,366,645
- Issue date Apr 2, 2002
- Sprint Communications Company L.P.
- Minh Duy Khuc
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Line tester for coin-operated telephones
- Patent number 5,960,060
- Issue date Sep 28, 1999
- J. V. Technologies, Inc.
- Gary W. Kaibel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Testing telecommunications equipment
- Patent number 5,734,696
- Issue date Mar 31, 1998
- British Telecommunication public limited company
- Nigel Stephen Day
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enhanced recording verification system
- Patent number 5,729,588
- Issue date Mar 17, 1998
- Lucent Technologies Inc.
- Yi Chin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing user controlled call management...
- Patent number 5,668,862
- Issue date Sep 16, 1997
- Northern Telecom Limited
- Cecil H. Bannister
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing user controlled call management...
- Patent number 5,548,636
- Issue date Aug 20, 1996
- Northern Telecom Limited
- Cecil H. Bannister
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for testing the billing function in a telecommunication system
- Patent number 5,539,802
- Issue date Jul 23, 1996
- Koninklijke PTT Nederland N.V.
- Iwar De Caluwe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call detecting circuit and a method of remotely accessing...
- Patent number 5,369,690
- Issue date Nov 29, 1994
- Mars Incorporated
- John J. Comfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pro-active billing and routing test set
- Patent number 5,369,680
- Issue date Nov 29, 1994
- Illinois Bell Telephone Company
- William F. Borbas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Maintenance unit for modular public telephone
- Patent number 5,309,498
- Issue date May 3, 1994
- Telefonica de Espana, S.A.
- Antonio Aragoncillo Ballestero
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Maintenance terminal of a validation and identification unit
- Patent number 5,241,581
- Issue date Aug 31, 1993
- Telefonica de Espana S.A.
- Angel Hermosilla-Ortega
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pay telephone station repair technician's adapter
- Patent number 5,108,315
- Issue date Apr 28, 1992
- International Teleservice Corporation
- Allen W. Vogl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network verification evaluation testing system
- Patent number 4,910,760
- Issue date Mar 20, 1990
- NYNEX Corporation
- John R. Reformato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone toll integrity checking system
- Patent number 4,839,916
- Issue date Jun 13, 1989
- Conway Engineering, Inc.
- Gary C. Fields
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for testing telephone coin relays
- Patent number 4,777,644
- Issue date Oct 11, 1988
- Bell of Pennsylvania
- Donald J. Butterworth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Public telephone set
- Patent number 4,768,217
- Issue date Aug 30, 1988
- Tamura Electric Works, Ltd.
- Hiroyuki Asano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pay telephone monitoring system
- Patent number 4,736,444
- Issue date Apr 5, 1988
- Tel-Tech Devices, Inc.
- Robert Dhein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF receiver sense and control maintenance arrangement
- Patent number 4,621,354
- Issue date Nov 4, 1986
- GTE Communication Systems Corporation
- Leo V. Jones
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coin telephone measurement circuitry
- Patent number 4,590,583
- Issue date May 20, 1986
- AT&T Bell Laboratories
- Hubert A. Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coin trunk test set
- Patent number 4,582,965
- Issue date Apr 15, 1986
- GTE Communication Systems Corporation
- Robert W. Lembke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Public telephone station traffic analyzing arrangement
- Patent number 4,417,101
- Issue date Nov 22, 1983
- Bernard M. Serres
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coin telephone monitor circuit
- Patent number 4,326,103
- Issue date Apr 20, 1982
- GTE Automatic Electric Labs Inc.
- Kenneth H. Oehrig
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TESTING TOLL-FREE DATA SERVICE CAMPAIGNS
- Publication number 20160057013
- Publication date Feb 25, 2016
- VERIZON PATENT AND LICENSING INC.
- Hong Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS TO DETERMINE A TELECOMMUNICATIONS ACCOUNT STATUS
- Publication number 20150181021
- Publication date Jun 25, 2015
- Ranney Harrold Fry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Individual Sequential Campaign
- Publication number 20120221416
- Publication date Aug 30, 2012
- Sumo Technologies, LLC
- Enrique A. Baiz Matuk
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method For Securing The Communication Links And The Associated Char...
- Publication number 20080130487
- Publication date Jun 5, 2008
- Siemens Aktiengesellschaft
- Klaus Hoffmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for verifying subscriber data records in a teleph...
- Publication number 20070155383
- Publication date Jul 5, 2007
- BellSouth Intellectual Property Corporation
- Robert E. Cerami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for monitoring time-related connection data detec...
- Publication number 20060109962
- Publication date May 25, 2006
- Monika Schmidt
- G04 - HOROLOGY
Information Patent Application
Method and testing device for verifying the charge invoicing for a...
- Publication number 20060109963
- Publication date May 25, 2006
- Monika Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for verifying subscriber data records in a teleph...
- Publication number 20030176182
- Publication date Sep 18, 2003
- Robert E. Cerami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF SCHEDULING CONNECTIONS
- Publication number 20020106063
- Publication date Aug 8, 2002
- CHRISTOS VOUDOURIS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system in a telecommunication system
- Publication number 20020090070
- Publication date Jul 11, 2002
- Timo Salonen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

for metering arrangements or prepayment telephone systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Testing toll-free data service campaigns

System and method for individual sequential campaign

Method and testing device for verifying the charge invoicing for a...

System and method for monitoring time-related connection data detec...

System, evaluation device and method for verifying connection-relat...

System and method for verifying subscriber data records in a teleph...

Method of scheduling connections

System and method for providing service assurance for prepaid telec...

System and method for providing service assurance for prepaid telec...

Line tester for coin-operated telephones

Testing telecommunications equipment

Enhanced recording verification system

Method and apparatus for providing user controlled call management...

Method and apparatus for providing user controlled call management...

System for testing the billing function in a telecommunication system

Telephone call detecting circuit and a method of remotely accessing...

Pro-active billing and routing test set

Maintenance unit for modular public telephone

Maintenance terminal of a validation and identification unit

Pay telephone station repair technician's adapter

Network verification evaluation testing system

Telephone toll integrity checking system

Method and apparatus for testing telephone coin relays

Public telephone set

Pay telephone monitoring system

DTMF receiver sense and control maintenance arrangement

Coin telephone measurement circuitry

Coin trunk test set

Public telephone station traffic analyzing arrangement

Coin telephone monitor circuit

Patents Applicationslast 30 patents

TESTING TOLL-FREE DATA SERVICE CAMPAIGNS

METHODS AND APPARATUS TO DETERMINE A TELECOMMUNICATIONS ACCOUNT STATUS

System and Method for Individual Sequential Campaign

Method For Securing The Communication Links And The Associated Char...

System and method for verifying subscriber data records in a teleph...

System and method for monitoring time-related connection data detec...

Method and testing device for verifying the charge invoicing for a...

System and method for verifying subscriber data records in a teleph...

METHOD OF SCHEDULING CONNECTIONS

Method and system in a telecommunication system