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H04M17/023
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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04M
TELEPHONIC COMMUNICATION
H04M17/00
Prepayment of wireline communication systems, wireless communication systems or telephone systems
Current Industry
H04M17/023
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Patents Grants
last 30 patents
Information
Patent Grant
Implementation and communication methods, apparatus and system of v...
Patent number
11,979,942
Issue date
May 7, 2024
Huawei Technologies Co., Ltd.
Zhidong Bai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal transmission system and signal transmission method
Patent number
11,968,324
Issue date
Apr 23, 2024
Nippon Telegraph and Telephone Corporation
Hiroyuki Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Implementation and communication methods, apparatus and system of v...
Patent number
11,601,803
Issue date
Mar 7, 2023
Huawei Technologies Co., Ltd.
Zhidong Bai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless service card having machine readable codes and device and...
Patent number
11,496,630
Issue date
Nov 8, 2022
TracFone Wireless, Inc.
Theodore Vagelos
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Implementation and communication methods, apparatus and system of v...
Patent number
10,917,781
Issue date
Feb 9, 2021
Huawei Technologies Co., Ltd.
Zhidong Bai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless service card having machine readable codes and device and...
Patent number
10,887,472
Issue date
Jan 5, 2021
TracFone Wireless, Inc.
Theodore Vagelos
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless service card having machine readable codes and device and...
Patent number
10,645,231
Issue date
May 5, 2020
TracFone Wireless, Inc.
Theodore Vagelos
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Internet of things (IoT) apparatus and method for coin operated dev...
Patent number
10,362,114
Issue date
Jul 23, 2019
AFERO, INC.
Joe Britt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless service card having machine readable codes and device and...
Patent number
10,326,891
Issue date
Jun 18, 2019
TracFone Wireless, Inc.
Ted Vagelos
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Service data transmission method, terminal and charging system, com...
Patent number
10,292,023
Issue date
May 14, 2019
ZTE Corporation
Yabing Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and arrangement for realizing a prepaid subscription and a p...
Patent number
7,917,123
Issue date
Mar 29, 2011
Nokia Corporation
Esa Juntunen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated circuit configurations and methods for providing functio...
Patent number
7,239,694
Issue date
Jul 3, 2007
Protel, Inc.
Gary Lee Stirk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Intelligent vending system and method
Patent number
6,850,607
Issue date
Feb 1, 2005
Protel, Inc.
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for providing pre-pay and post-pay communicati...
Patent number
6,760,418
Issue date
Jul 6, 2004
Sprint Communications Company L.P.
Zahid Abbasi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Payphone electronic coin validator
Patent number
6,370,242
Issue date
Apr 9, 2002
Mars Incorporated
Robert Speers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Line-powered pay telephone
Patent number
6,320,945
Issue date
Nov 20, 2001
Ronald J. Honick
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pay phone deposit method for limiting overpayment by a customer
Patent number
6,304,643
Issue date
Oct 16, 2001
Elcotel, Inc.
Richard N. Maxey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Intelligent public telephone system and method
Patent number
6,301,344
Issue date
Oct 9, 2001
Protel, Inc.
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable fixture for simulating and testing payphones
Patent number
6,278,768
Issue date
Aug 21, 2001
Steven L. H. Klein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for conditioning automatic coin validation signals, and m...
Patent number
6,072,863
Issue date
Jun 6, 2000
Elcotel, Inc.
George M. Potter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coin operated telephone auditor
Patent number
6,052,453
Issue date
Apr 18, 2000
Mars Incorporated
Cary M. Sagady
G07 - CHECKING-DEVICES
Information
Patent Grant
Dynamic escrow type detection system
Patent number
6,014,433
Issue date
Jan 11, 2000
Intellicall, Inc.
Frank R. Zerangue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coin telephone data port protection
Patent number
5,978,460
Issue date
Nov 2, 1999
Lucent Technologies Inc.
Michael Lee Butts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coin operated telephone auditor
Patent number
5,949,863
Issue date
Sep 7, 1999
Mars, Incorporated
John L. Tansky
G07 - CHECKING-DEVICES
Information
Patent Grant
Coin escrow apparatus for pay telephones
Patent number
5,924,543
Issue date
Jul 20, 1999
QVEX, Inc.
Steven Michael Faes
G07 - CHECKING-DEVICES
Information
Patent Grant
Telephone-line powered coin telephone chassis
Patent number
5,907,606
Issue date
May 25, 1999
Independent Technologies, Inc.
David L. Ingalsbe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coin operated telephone auditor
Patent number
5,896,446
Issue date
Apr 20, 1999
Mars Incorporated
Cary M. Sagady
G07 - CHECKING-DEVICES
Information
Patent Grant
Telephone set having an anti-fraud arrangement which prevents any f...
Patent number
5,864,618
Issue date
Jan 26, 1999
Electrowatt Technology Innovation AG
Thomas Seitz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Full coin box signalling device for use with coin telephones
Patent number
5,737,401
Issue date
Apr 7, 1998
Quadrum Telecommunications, Inc.
Gary Grantland
G07 - CHECKING-DEVICES
Information
Patent Grant
Interface device between a public telephone and an external terminal
Patent number
5,550,917
Issue date
Aug 27, 1996
France Telecom Etablissement Autonome de Droit Public
Ronan Tallec
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
IMPLEMENTATION AND COMMUNICATION METHODS, APPARATUS AND SYSTEM OF V...
Publication number
20230209333
Publication date
Jun 29, 2023
Huawei Technologies Co., Ltd
Zhidong Bai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL TRANSMISSION SYSTEM AND SIGNAL TRANSMISSION METHOD
Publication number
20220263948
Publication date
Aug 18, 2022
Nippon Telegraph and Telephone Corporation
Hiroyuki FURUYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Service Card Having Machine Readable Codes and Device and...
Publication number
20210127016
Publication date
Apr 29, 2021
TracFone Wireless, Inc.
Theodore Vagelos
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMPLEMENTATION AND COMMUNICATION METHODS, APPARATUS AND SYSTEM OF V...
Publication number
20210127258
Publication date
Apr 29, 2021
Huawei Technologies Co., Ltd
Zhidong Bai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Service Card Having Machine Readable Codes and Device and...
Publication number
20200267262
Publication date
Aug 20, 2020
TracFone Wireless, Inc.
Theodore Vagelos
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Wireless Service Card Having Machine Readable Codes and Device and...
Publication number
20190306326
Publication date
Oct 3, 2019
TracFone Wireless, Inc.
Theodore Vagelos
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PORTABLE MOBILE MONEY DEVICE
Publication number
20140344083
Publication date
Nov 20, 2014
Eli Rosenes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for making calling card telephone calls using a mobile telep...
Publication number
20060246873
Publication date
Nov 2, 2006
Siemens Communications, Inc.
Utpal Nayan Das
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and arrangement for realizing a prepaid subscription and a p...
Publication number
20040266482
Publication date
Dec 30, 2004
Nokia Corporation
Esa Juntunen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Dialing apparatus for international prepaid phone card
Publication number
20040047457
Publication date
Mar 11, 2004
Sweetone Science Technology Inc.
Chung-Cheng Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Interface device
Publication number
20030012366
Publication date
Jan 16, 2003
Richard C Wilson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System for interfacing a circuit that makes a private payphone soun...
Publication number
20020126832
Publication date
Sep 12, 2002
Jeffrey Somma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Integrated circuit configurations and methods for providing functio...
Publication number
20020054612
Publication date
May 9, 2002
Gary Lee Stirk
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Intelligent vending system and method
Publication number
20020041665
Publication date
Apr 11, 2002
Rolf Meyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE