H04M 17 - Prepayment telephone systems

Patents for H04M 17 - Prepayment telephone systems (5,258)
03/1995
03/21/1995	US5400400 Pay telephone architecture
03/21/1995	US5400396 Theft proof pay phone
03/15/1995	EP0643520A2 System and method for passive voice verification in a telephone network
02/1995
02/28/1995	US5393964 Telecommunications booth and method of use
02/21/1995	US5392343 On demand language interpretation in a telecommunications system
02/07/1995	US5388148 Cellular telephone calling system using credit card validation
02/01/1995	EP0636293A1 Toll call telephone service center
01/1995
01/26/1995	WO1995002949A1 Tariffing and charging device for mobile telephony with electronic communication of the amount
01/26/1995	DE4324483A1 Protective device for a coin box arranged in a prepayment telephone
01/25/1995	EP0635182A1 Electronic security system
01/24/1995	CA2043502C Telephone terminal bases
01/19/1995	WO1995002298A1 Front end processor employing data over voice communication with smart telephones
01/19/1995	CA2166690A1 Front end processor employing data over voice communication with smart telephones
01/10/1995	US5381472 Power source control apparatus for telephone set
01/10/1995	US5381469 For a coin-operated telephone
01/05/1995	DE4422682A1 Prepaid card with integrated circuit and method for its control
12/1994
12/26/1994	CA2099190A1 Electronic communication and switching system for controlling and switching a telephone call, and method thereof
12/21/1994	EP0630165A2 Mobile radio network with deposit accounts
12/14/1994	EP0629072A1 Arrangement in a telephone system for controlling debiting of services
12/08/1994	WO1994028670A1 A method for indicating the charge of a call, and a subscriber station
12/07/1994	CN1026939C Improvements in mobile pay telephone system
12/06/1994	US5371791 Housing assembly fastener for fastening housing assembly portions and a substrate
12/06/1994	US5371493 Radio paging receiver wherein programming information is readout from a discardable data card inserted therein
11/1994
11/30/1994	EP0626664A1 Communication system using IC cards
11/29/1994	US5369690 Telephone call detecting circuit and a method of remotely accessing and testing a telephone
11/23/1994	EP0625839A1 Smartcard telephone adjunct
11/22/1994	CA2120068A1 Smartcard telephone adjunct
11/16/1994	CN1026645C Public telephone set
11/02/1994	EP0622942A2 Card management for public telephone system
11/02/1994	EP0622941A2 Public telephone system
11/01/1994	US5361297 Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same
10/1994
10/25/1994	US5359643 Telecommunications device with simplified calling procedures
10/25/1994	US5359642 Method and apparatus for prepayment of telecommunication connections by registered groups of subscribers in a telecommunication switching network
10/25/1994	US5359182 Wireless telephone debit card system and method
10/20/1994	DE4312362A1 Mobile radio system with credit accounts
10/20/1994	DE4302820A1 Mobile radio telephone unit
10/19/1994	EP0619933A1 Method of managing supplementary service procedures in gsm/vlr towards hlr
10/11/1994	CA2027139C Apparatus and method for conserving power in an electronic coin chute
10/04/1994	US5353349 Telephone security shield
10/04/1994	US5353335 Multilingual prepaid telephone system
09/1994
09/29/1994	DE4309291A1 Payphone
09/27/1994	US5351290 Telecommunications fraud prevention system and method
09/21/1994	EP0616460A1 Interface device between a public telephone and an external terminal
09/21/1994	EP0424495B1 Voice messaging for pay phone telephone systems
09/14/1994	CN1092235A Method of managing supplementary service procedures In GSM/VLR towards HLR
09/07/1994	CN1091877A Access controlled device for rendering services
09/06/1994	US5345595 Apparatus and method for detecting fraudulent telecommunication activity
08/1994
08/17/1994	EP0458791B1 Payphone system
08/02/1994	CA2024941C Composite ringing and coin control voltage detector and method
07/1994
07/27/1994	EP0607767A1 Access controlled device for rendering services
07/26/1994	US5333181 System for accessing amenities through a public telephone network
07/12/1994	US5329589 Mediation of transactions by a communications system
07/06/1994	EP0604610A1 Coin/card operated public telephone and its controlling method
07/06/1994	CN1089070A Simple telephone coin-freed system
07/05/1994	US5327482 Public cordless telephone system with coin/card insertion inhibiting means
07/05/1994	CA2004018C Coin operated telephone operation monitoring switch mounting arrangement
06/1994
06/28/1994	US5325418 Cellular phone accounting system
06/21/1994	US5323448 System for accessing amenities through a public telephone network
06/15/1994	EP0601710A2 On demand language interpretation in a telecommunications system
06/08/1994	EP0600822A1 Universal telephone kiosk for the cellular telephone system
06/08/1994	EP0600785A1 Enclosure, with lock mechanism, for pay telephone
06/07/1994	US5319701 Method and apparatus for performing an automated collect call
05/1994
05/26/1994	WO1994011959A1 An apparatus and method for detecting potentially fraudulent telecommunication activity
05/26/1994	WO1994011849A1 Mobile telephone systems and a method for carrying out financial transactions by means of a mobile telephone system
05/24/1994	US5315649 Toll call telephone service center
05/24/1994	US5315645 Communication apparatus utilizing digital optical signals
05/24/1994	CA2020240C Semi-automated operator assistance telecommunication calls
05/11/1994	WO1994010814A1 Method of managing supplementary service procedures in gsm/vlr towards hlr
05/11/1994	EP0596055A1 Coin cashing system for mobile telefony
05/11/1994	CA2126852A1 Method of managing supplementary service procedures in gsm/vlr towards hlr
05/10/1994	US5311582 Integrated cocot and regulated paystation telephone system
05/10/1994	CA2102391A1 Access controlled device for rendering services
04/1994
04/27/1994	EP0593690A1 Public telephone power consumption reducing method and device
04/27/1994	CN2163492Y Telephone coin input mechanism
04/13/1994	CN1085370A One-shot registration cipher system for long distance telephone
04/12/1994	US5303297 Dynamic pricing method and apparatus for communication systems
04/07/1994	CA2107731A1 Card-operated telephone
04/05/1994	US5301229 Adjustable height pedestal for public and coin telephones
04/05/1994	US5301223 Cellular telephone system with remote programming, voice responsive registration and real time billing
03/1994
03/30/1994	EP0589757A1 Telecommunications installation with secured downloading of prepayment means and method for the download
03/30/1994	CN2160180Y Coin-in telephone controller
03/16/1994	EP0587259A2 Modular telecommunications system
03/16/1994	EP0586655A1 Communication system with call charge information stored in handset
03/12/1994	CA2101130A1 Modular telecommunications system
03/08/1994	US5291981 Coin bucket change return and bank box protection device
03/01/1994	CA2077261A1 Secure access calling card for call payment data transmission
02/1994
02/15/1994	US5287405 Called party response detecting apparatus
02/15/1994	US5287403 Method and apparatus for processing telephone calls charged to credit cards
02/09/1994	CN1081801A Cellular communications test system
02/02/1994	EP0580769A1 Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same
02/02/1994	CN1081548A Communications system with call charge information stored in handset
01/1994
01/26/1994	WO1994000947A1 Coin/card operated public telephone and its controlling method
01/26/1994	CN1081304A Automatic informing system for owing telephone fee
01/18/1994	CA2022262C Call message delivery system and method
01/11/1994	US5278895 Voice messaging method and apparatus for pay phone telephone systems
01/06/1994	WO1994000932A1 Cellular communications test system
01/06/1994	CA2135176A1 Cellular communications test system
12/1993
12/29/1993	CN2151596Y Coin channel mechanism
12/22/1993	EP0574990A2 Method and circuit arrangement for testing a credit card
12/22/1993	EP0504287A4 Method and system for remote delivery of retail banking services

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