Patents
Patents for H04M 17 - Prepayment telephone systems (5,258)
04/1997
04/03/1997WO1997012479A1 A communication and service terminal
04/01/1997US5617470 Apparatus and method for preventing unauthorized access to a system
03/1997
03/25/1997US5615408 Apparatus and method for credit based management of telecommunication activity
03/25/1997US5615260 Apparatus for accepting and retaining a smart card
03/20/1997WO1997010576A1 Integrated payphone and vending machine
03/06/1997WO1997005728A3 Credit-registering method for use in telephony
03/06/1997DE19532086A1 Telephone with valid phonecard activated connection terminal
03/05/1997EP0760190A1 Telephone call management device for connection to a standard telephone handset
03/04/1997US5608778 Cellular telephone as an authenticated transaction controller
02/1997
02/18/1997US5604787 Method and apparatus for transferring information to a device in a communication system
02/13/1997WO1997005732A1 Methods and apparatus for providing a prepaid, remote memory customer account for the hearing impaired
02/13/1997WO1997005729A1 Radio mobile terminal provided with an additional reader of chip cards
02/13/1997WO1997005728A2 Credit-registering method for use in telephony
02/13/1997WO1996034471A3 Fraud resistant remote purchasing system
02/12/1997CN1142722A Self protective public telephone system and operation method therefor
02/11/1997US5602905 On-line communication terminal/apparatus
02/06/1997WO1997004579A1 Method and apparatus for generating summaries of prepaid instrument transaction activity
02/06/1997DE19528423A1 Verfahren zur Guthabenerfassung im Fernsprechwesen A method for detecting deposits in the telephone service
02/06/1997CA2226896A1 Method and apparatus for generating summaries of prepaid instrument transaction activity
02/04/1997US5600122 Structure of card insertion port and method of mounting card insertion port member
01/1997
01/29/1997EP0756408A2 Card type automatic dialing device
01/29/1997EP0636293A4 Toll call telephone service center.
01/22/1997EP0754394A1 A removable subscriber identification module for a mobile radio terminal and a call control method
01/21/1997US5596630 Anti-stuffing lead-in-chute on coin acceptor for payphone
01/15/1997EP0580769A4 Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same
01/09/1997WO1997001253A1 Communication network having replaceable sim card
01/07/1997US5592539 System for completing air-to-ground telephone calls
01/07/1997US5592535 Mobile-radio network with debit accounts
01/01/1997CN2244272Y Coined TV set timed controller
01/01/1997CN1139508A Method for transmitting tariff data to a subscriber unit
12/1996
12/31/1996US5590191 Reinforced public telephone having dual key pads
12/25/1996CN2243752Y Intellectual magnetic card telephone
12/19/1996WO1996041462A1 System and method for dispensing of a receipt reflecting prepaid phone services
12/18/1996EP0550618A4 Cordless telephone with internal debit and credit memory
12/18/1996CN1138264A Office procedure for set data
12/10/1996US5583933 Method and apparatus for the secure communication of data
12/10/1996US5583918 Credit card-based accounting service system for a network
12/05/1996WO1996038813A1 Refundable prepaid telephone card
12/05/1996WO1996038801A1 Methods and apparatus for providing a prepaid, remote entry customer account
12/05/1996DE19603167A1 Audiovisuelles Kommunikationsverfahren und -vorrichtung unter Verwendung eines digitalen Netzwerkes Audiovisual communication method and apparatus using a digital network
12/05/1996CA2222762A1 Refundable prepaid telephone card
12/04/1996EP0746137A2 Payphone management system
12/04/1996EP0746136A2 Automatic credit card calling system
12/04/1996EP0745303A1 Communication system
12/04/1996CN2241958Y Coin-freed multi-function telephone
11/1996
11/28/1996WO1996038001A1 Audiovisual telecommunication method and apparatus using a digital network
11/27/1996CN1136875A Method and device for transfering information to a device in a communication system
11/19/1996US5577109 Pre-paid card system and method
11/19/1996US5577100 Mobile phone with internal accounting
11/14/1996WO1996036162A1 Subscriptionless telephone, control module therefor and secure telephone equipment including the telephone and security module
11/13/1996EP0741949A1 Method for transmitting tariff data to a subscriber unit
11/12/1996CA2100448C Apparatus for accepting and retaining a smart card
11/07/1996WO1996031848A3 Telecommunications reward method
11/06/1996CN1135135A Method for management of terminal device
11/05/1996US5572005 Telecommunications booth comprising a telecommunications train having a plurality of wheeled housings
10/1996
10/31/1996WO1996034471A2 Fraud resistant remote purchasing system
10/30/1996EP0740268A1 Memory card and method for using such a card
10/30/1996EP0739526A1 Real time tele-payment system
10/29/1996US5570416 Call center management system
10/25/1996CA2147688A1 Protective coin return for a telephone paystation
10/24/1996DE19514508A1 Electrical coupling device for data terminal
10/17/1996WO1996032822A1 A radio system realizing a wireless subscriber interface, and a subscriber station
10/17/1996DE19513746A1 Device for securing telephone terminals against improper use
10/17/1996CA2216314A1 A radio system realizing a wireless subscriber interface, and a subscriber station
10/16/1996EP0737399A1 Method and apparatus for transferring information to a device in a communication system
10/10/1996WO1996031971A1 System for accessing telephonic communications and for conducting telephonic transactions
10/10/1996WO1996031848A2 Telecommunications reward method
10/10/1996CA2217579A1 System for accessing telephonic communications and for conducting telephonic transactions
10/08/1996US5563934 Pay phone call control apparatus for allowing calls using pre-paid cards
10/06/1996CA2142691A1 Long distance loyalty rewards device
09/1996
09/26/1996WO1996029816A1 Telephone call management device for connection to a standard telephone handset
09/26/1996WO1996024913A3 Two-way messaging network using debit cards
09/24/1996US5558227 Sealed container having a calendar function
09/18/1996CN1131493A Charge recording in telephone network
09/11/1996CN1130776A Apparatus for reading payment card
09/10/1996US5555296 Pay telephone stand
09/04/1996CN2234635Y Coin inlet base for coin-freed telephone
08/1996
08/29/1996WO1996026594A1 A public telephone set comprising a subsidiary processor
08/29/1996WO1996017466A3 Communication system for multiservice terminals
08/29/1996CA2212894A1 A public telephone set comprising a subsidiary processor
08/27/1996US5550917 Interface device between a public telephone and an external terminal
08/27/1996US5550897 Cellular telephone calling system using credit card validation
08/22/1996WO1996025828A1 A method for using applications in a mobile station, a mobile station, and a system for effecting payments
08/21/1996EP0727898A1 Telephone station
08/15/1996WO1996025000A1 Telephone set
08/15/1996WO1996024913A2 Two-way messaging network using debit cards
08/13/1996US5546446 Public telephone system using a prepaid card to enable communication
08/08/1996WO1996024229A1 Mobile phone with internal accounting
08/08/1996WO1996015616A3 Method and telecommunication system for charging a user
08/08/1996DE19521556A1 Radio telephone communications with other telecommunications devices
08/01/1996WO1996023272A1 Circuit for driving inductive sensors for reading and debiting prepaid cards
07/1996
07/18/1996DE19501049A1 Facsimile communication system for payphone
07/17/1996EP0721723A1 Charge recording in a telephone network
07/10/1996CN1126533A Front end processor employing data over voice communication with smart telephones
07/09/1996US5535264 Prompt issuing protocol for an intercept voice messaging system
06/1996
06/26/1996EP0519963B1 Telephone call detecting circuit and a method of remotely accessing and testing a telephone
06/12/1996EP0716534A1 Credit cards reading device
06/11/1996US5526412 In a coin-operated pay telephone for a communications system
06/06/1996WO1996017466A2 Communication system for multiservice terminals
06/04/1996US5524143 Anti-stuffing coin realigner
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