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GB2243050B - Telephone call control device and method - Google Patents

Telephone call control device and method

Info

Publication number
GB2243050B
GB2243050B GB9008465A GB9008465A GB2243050B GB 2243050 B GB2243050 B GB 2243050B GB 9008465 A GB9008465 A GB 9008465A GB 9008465 A GB9008465 A GB 9008465A GB 2243050 B GB2243050 B GB 2243050B
Authority
GB
United Kingdom
Prior art keywords
control device
call control
telephone call
telephone
control
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.)
Expired - Fee Related
Application number
GB9008465A
Other versions
GB9008465D0 (en
GB2243050A (en
Inventor
Brian Maclean Leroy Marten
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.)
PULLWAY Ltd
Original Assignee
PULLWAY 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 PULLWAY Ltd filed Critical PULLWAY Ltd
Priority to GB9008465A priority Critical patent/GB2243050B/en
Publication of GB9008465D0 publication Critical patent/GB9008465D0/en
Priority to EP19910911777 priority patent/EP0545937A1/en
Priority to PCT/GB1991/001045 priority patent/WO1993000762A1/en
Publication of GB2243050A publication Critical patent/GB2243050A/en
Application granted granted Critical
Publication of GB2243050B publication Critical patent/GB2243050B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Facsimiles In General (AREA)
GB9008465A 1990-04-12 1990-04-12 Telephone call control device and method Expired - Fee Related GB2243050B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9008465A GB2243050B (en) 1990-04-12 1990-04-12 Telephone call control device and method
EP19910911777 EP0545937A1 (en) 1990-04-12 1991-06-27 Telephone call control device
PCT/GB1991/001045 WO1993000762A1 (en) 1990-04-12 1991-06-27 Telephone call control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9008465A GB2243050B (en) 1990-04-12 1990-04-12 Telephone call control device and method

Publications (3)

Publication Number Publication Date
GB9008465D0 GB9008465D0 (en) 1990-06-13
GB2243050A GB2243050A (en) 1991-10-16
GB2243050B true GB2243050B (en) 1994-06-29

Family

ID=10674434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9008465A Expired - Fee Related GB2243050B (en) 1990-04-12 1990-04-12 Telephone call control device and method

Country Status (3)

Country Link
EP (1) EP0545937A1 (en)
GB (1) GB2243050B (en)
WO (1) WO1993000762A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2161732T3 (en) 1993-06-29 2001-12-16 Canon Kk DATA COMMUNICATION DEVICE, WITH CALL LIMITATION FUNCTION.
JP2677191B2 (en) * 1994-03-15 1997-11-17 日本電気株式会社 CDMA communication system
GB2355864A (en) * 1999-10-27 2001-05-02 R W Data Ltd Switched data outlet socket assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824341A (en) * 1972-05-16 1974-07-16 Xerox Corp Data communication system
US4856049A (en) * 1988-03-18 1989-08-08 Jerry R. Iggulden Single line compatible fax system
GB8901680D0 (en) * 1989-01-26 1989-03-15 Marten Brian M L Call control device for telephones
DE3922292C1 (en) * 1989-07-04 1991-01-10 Fritz Buehler Kommunikationstechnik, 1000 Berlin, De Dial lock for telephone subscriber's appts. - has call identifying circuit preventing dial tone detecting circuit operating exchange line connection switch

Also Published As

Publication number Publication date
EP0545937A1 (en) 1993-06-16
WO1993000762A1 (en) 1993-01-07
GB9008465D0 (en) 1990-06-13
GB2243050A (en) 1991-10-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950412