Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 17 - Prepayment telephone systems
Patents for H04M 17 - Prepayment telephone systems (5,258)
05/1996
05/30/1996WO1996016504A1 Disposable cordless portable telephone
05/23/1996WO1996015633A1 System for subscriber administration in telecommunication network
05/23/1996WO1996015616A2 Method and telecommunication system for charging a user
05/21/1996US5519769 Method and system for updating a call rating database
05/14/1996US5517555 Real time information system for cellular telephones
05/14/1996US5515594 Method of inserting a coin return housing into a telephone paystation
05/09/1996WO1996013928A1 A device for allowing to make a toll-free telephone call
05/09/1996WO1996013815A1 Method for enabling a transaction between a terminal user and a server
05/09/1996WO1996013814A1 Real time tele-payment system
05/07/1996US5515424 System and method for providing selected video images to local telephone stations
05/07/1996US5515030 Electronic seal
05/02/1996WO1996013115A1 Cellular payphone signalling method and apparatus
04/1996
04/24/1996EP0708547A2 Cellular telephone as an authenticated transaction controller
04/23/1996US5511114 Telephone pre-paid calling card system and method
04/18/1996WO1996011545A1 Method and apparatus for transferring information to a device in a communication system
04/17/1996CN2225115Y Coin receiver of telephone
04/16/1996US5509057 Coin-operated pay telephone
04/02/1996US5504808 Secured disposable debit card calling system and method
03/1996
03/28/1996WO1996009734A1 Terminal equipment
03/26/1996US5502759 In a public switched telephone network
03/12/1996US5499201 Method for reducing the electricity consumption of microprocessor-based apparatuses, in particular those for public telephone stations
03/07/1996WO1996007266A1 Call center management system
03/07/1996WO1996007265A1 Telephone system under the control of its users
03/06/1996EP0700194A1 Telephone device for using a plurality of memory cards
03/06/1996EP0700023A1 Payment system with improved integrity
02/1996
02/28/1996EP0698987A2 Telephony accounts method
02/22/1996WO1996005706A1 Cellular telephone credit card billing system
02/15/1996WO1996004741A1 Method and apparatus for securing data communication
02/08/1996WO1996003832A1 Charge recording in a telephone network
02/08/1996WO1995032575A3 Network termination equipment
02/08/1996CA2172833A1 Charge recording in a telephone network
02/01/1996WO1996003001A1 Cellular phone of the disposable type
02/01/1996DE4426689A1 Gebührenerfassung in einem Telefonnetz Fee collection in a telephone network
02/01/1996CA2195540A1 Cellular phone of the disposable type
01/1996
01/31/1996CN1115934A System and method for providing selected video images to local telephone stations
01/30/1996US5488656 Face plate with ad frames for coin operated telephone boxes
01/23/1996US5487107 Method and apparatus for processing telephone calls charged to credit cards
01/18/1996DE4425043A1 Telecommunications installation with base unit and cordless transceiving unit
01/18/1996DE4424487A1 Sorted insertion of coins
01/09/1996US5483583 Pay phone
01/09/1996US5483582 Applications platform for a telephone system gateway interface
01/09/1996US5483581 Method and apparatus for performing an automated collect call
01/04/1996WO1996000481A1 Mobile phone distribution system
01/02/1996US5481600 Instant calling card provisioning system
12/1995
12/28/1995WO1995035619A1 Method for providing access to pre-paid telephone services
12/26/1995US5479494 Virtual calling card system
12/21/1995DE4419889A1 Telephone with base unit and cordless handset
12/20/1995CN2215738Y Magnetic card for telephone
12/14/1995WO1995034161A1 Pre-paid card system and method
12/07/1995DE4419651A1 Calculating charges for mobile station in cellular mobile radio network
12/05/1995US5473678 Coin return mechanism protecter
11/1995
11/30/1995WO1995032575A2 Network termination equipment
11/23/1995WO1995031865A1 Customer line tester
11/23/1995WO1995028062A3 A removable subscriber identification module for a mobile radio terminal and a call control method
11/21/1995US5469497 Telecommunications system
11/21/1995CA2040407C Method and apparatus for preventing pay telephone fraud and reducing handset vandalism
11/07/1995US5465090 Key pad shielding device and method
11/07/1995CA2054567C Telephone network credit card calling apparatus and method of operation
10/1995
10/31/1995US5463679 Public telephone system
10/26/1995DE4412727A1 Calculation of charges for mobile telephones
10/19/1995WO1995028062A2 A removable subscriber identification module for a mobile radio terminal and a call control method
10/11/1995EP0676888A1 Method and system for updating a call rating database
10/03/1995CA2059078C Mediation of transactions by a communications system
09/1995
09/21/1995DE4408655A1 Hand-held radio telephone or car telephone
09/12/1995US5450479 Method and apparatus for facilitating the making of card calls
09/12/1995US5450477 Monitoring of charges debited to an account having an assigned limit
09/05/1995US5448633 Telecommunications system for controlling access to a destination
09/05/1995US5448628 Public telephone system
09/05/1995CA2055171C Telephone network credit card calling apparatus and method of operation
08/1995
08/30/1995EP0669061A1 An apparatus and method for detecting potentially fraudulent telecommunication activity
08/30/1995EP0669031A1 Mobile telephone systems and a method for carrying out financial transactions by means of a mobile telephone system.
08/24/1995WO1995022863A1 Communication system
08/24/1995DE4405362A1 Kommunikationssystem Communication system
08/08/1995US5440621 Apparatus for prepayment of telecommunication connections in a telecommunication switching network without utilization of rate schedules and call cost computations
08/01/1995US5438615 Method of providing message service for pinless limited access telecommunications
07/1995
07/27/1995WO1995020298A1 Method for transmitting tariff data to a subscriber unit
07/25/1995US5436971 Method of and circuit arrangement for checking a smart card
07/11/1995US5431338 Protective coin return for telephone paystation
07/11/1995CA2040431C Method and apparatus for retrofitting a standard coin operated telephone employing a carbon microphone with a line powered electronic controller
07/11/1995CA2040421C Method and apparatus for keyboard adaptation to a low power controller in a coin operated telephone
07/05/1995EP0635182A4 Electronic security system.
07/04/1995US5430797 Coin return cover
06/1995
06/28/1995EP0660629A1 Tariffing and charging device for mobile telephony with electronic communication of the amount
06/27/1995US5428677 Telephone card having calendar function and system for using same
06/27/1995US5428665 Method of managing supplementary service procedures in GSM/VLR towards HLR
06/14/1995EP0658035A2 System and method for providing selected video images to local telephone stations
06/13/1995US5425088 Face plate for coin operated telephone boxes
06/13/1995US5425076 Cellular communications test system
05/1995
05/30/1995US5420915 Apparatus for instruction in use of telephone
05/23/1995CA2016226C Voice messaging method and apparatus for pay phone telephone systems
05/03/1995CN1028340C Easy coin-feeding device for telephone
05/02/1995US5412726 Telecommunication installation with secure remote loading of prepayment means and corresponding remote loading process
05/02/1995US5411207 Protective coin return for telephone paystation
04/1995
04/27/1995WO1995011576A1 An apparatus and method for credit based management of telecommunication activity
04/27/1995DE4342350C1 Coin container for coin-operated telephones
04/25/1995US5410590 Apparatus for auditing the usage of a device
04/19/1995EP0648393A1 Cellular communications test system
04/18/1995US5408524 Foreign exchange system
04/18/1995US5408519 Telecommunications system having a local area network with concurrently processing nodes
03/1995
03/28/1995US5402476 Two-part apparatus and method for protecting coin-operated telephones
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