GB8808716D0 - Apparatus for use with telephone - Google Patents

Apparatus for use with telephone

Info

Publication number
GB8808716D0
GB8808716D0 GB888808716A GB8808716A GB8808716D0 GB 8808716 D0 GB8808716 D0 GB 8808716D0 GB 888808716 A GB888808716 A GB 888808716A GB 8808716 A GB8808716 A GB 8808716A GB 8808716 D0 GB8808716 D0 GB 8808716D0
Authority
GB
United Kingdom
Prior art keywords
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB888808716A
Other versions
GB2217550A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tetrel Ltd
Original Assignee
Tetrel Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tetrel Ltd filed Critical Tetrel Ltd
Priority to GB8808716A priority Critical patent/GB2217550A/en
Publication of GB8808716D0 publication Critical patent/GB8808716D0/en
Priority to AU34450/89A priority patent/AU3445089A/en
Priority to PCT/GB1989/000379 priority patent/WO1989010035A1/en
Priority to EP19890904836 priority patent/EP0438406A1/en
Publication of GB2217550A publication Critical patent/GB2217550A/en
Priority to NO90904390A priority patent/NO904390L/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
GB8808716A 1988-04-13 1988-04-13 Telephone apparatus Withdrawn GB2217550A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB8808716A GB2217550A (en) 1988-04-13 1988-04-13 Telephone apparatus
AU34450/89A AU3445089A (en) 1988-04-13 1989-04-13 Apparatus for use with a telephone
PCT/GB1989/000379 WO1989010035A1 (en) 1988-04-13 1989-04-13 Apparatus for use with a telephone
EP19890904836 EP0438406A1 (en) 1988-04-13 1989-04-13 Apparatus for use with a telephone
NO90904390A NO904390L (en) 1988-04-13 1990-10-11 DEVICE FOR USE WITH A PHONE DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8808716A GB2217550A (en) 1988-04-13 1988-04-13 Telephone apparatus

Publications (2)

Publication Number Publication Date
GB8808716D0 true GB8808716D0 (en) 1988-05-18
GB2217550A GB2217550A (en) 1989-10-25

Family

ID=10635119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8808716A Withdrawn GB2217550A (en) 1988-04-13 1988-04-13 Telephone apparatus

Country Status (4)

Country Link
EP (1) EP0438406A1 (en)
AU (1) AU3445089A (en)
GB (1) GB2217550A (en)
WO (1) WO1989010035A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658680A1 (en) * 1990-02-21 1991-08-23 Technacom Sa CONTROL DEVICE FOR PAYING A FAX.
ES2107381B1 (en) * 1995-09-19 1998-07-01 Ecuphone S L DEVICE FOR ISSUING SOUND MESSAGES, APPLICABLE TO PHONES OPERATED BY COINS.
ES2150394B1 (en) * 1999-04-13 2001-06-01 Telefonica Sa APPLICABLE FRAUD CONTROL DEVICE ON MOD LARES PUBLIC TELEPHONES.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016540A (en) * 1970-12-28 1977-04-05 Gilbert Peter Hyatt Apparatus and method for providing interactive audio communication
US4198545A (en) * 1978-03-08 1980-04-15 Communication Equipment And Engineering Company Automatic call timing telephone apparatus
GB2105149A (en) * 1981-08-28 1983-03-16 Gen Electric Co Plc Coin collecting apparatus
US4439636A (en) * 1982-03-09 1984-03-27 Martha Newkirk Credit card actuated telecommunication access network
FR2575016B1 (en) * 1984-12-13 1987-01-16 Grandmougin Michel METHOD FOR OBTAINING A COMMUNICATION FROM A PUBLIC TELEPHONE DEVICE FOLLOWING PREPAYMENT WITH CURRENCY
JPS61208957A (en) * 1985-03-14 1986-09-17 Tamura Electric Works Ltd Public telephone set
US4731818A (en) * 1985-12-05 1988-03-15 Communication Equipment & Engineering Co. Self-computing credit card telephone paystation method and system

Also Published As

Publication number Publication date
AU3445089A (en) 1989-11-03
EP0438406A1 (en) 1991-07-31
GB2217550A (en) 1989-10-25
WO1989010035A1 (en) 1989-10-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)