GB2251530B - Recording systems - Google Patents

Recording systems

Info

Publication number
GB2251530B
GB2251530B GB9205023A GB9205023A GB2251530B GB 2251530 B GB2251530 B GB 2251530B GB 9205023 A GB9205023 A GB 9205023A GB 9205023 A GB9205023 A GB 9205023A GB 2251530 B GB2251530 B GB 2251530B
Authority
GB
United Kingdom
Prior art keywords
recording systems
recording
systems
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
GB9205023A
Other versions
GB2251530A (en
GB9205023D0 (en
Inventor
Peter Lawrence Pela
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.)
CABLESHIP Ltd
Original Assignee
CABLESHIP 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
Priority claimed from GB8814423A external-priority patent/GB2219910A/en
Application filed by CABLESHIP Ltd filed Critical CABLESHIP Ltd
Priority to GB9205023A priority Critical patent/GB2251530B/en
Publication of GB9205023D0 publication Critical patent/GB9205023D0/en
Publication of GB2251530A publication Critical patent/GB2251530A/en
Application granted granted Critical
Publication of GB2251530B publication Critical patent/GB2251530B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/72—Finding out and indicating number of calling subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/229—Wire identification arrangements; Number assignment determination

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB9205023A 1988-06-17 1992-03-02 Recording systems Expired - Fee Related GB2251530B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9205023A GB2251530B (en) 1988-06-17 1992-03-02 Recording systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8814423A GB2219910A (en) 1988-06-17 1988-06-17 Recording engineering information
GB9205023A GB2251530B (en) 1988-06-17 1992-03-02 Recording systems

Publications (3)

Publication Number Publication Date
GB9205023D0 GB9205023D0 (en) 1992-04-22
GB2251530A GB2251530A (en) 1992-07-08
GB2251530B true GB2251530B (en) 1993-01-27

Family

ID=26294039

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9205023A Expired - Fee Related GB2251530B (en) 1988-06-17 1992-03-02 Recording systems

Country Status (1)

Country Link
GB (1) GB2251530B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003098903A1 (en) * 2002-05-15 2003-11-27 British Telecommunications Public Limited Company Subscriber line validation of a telephone network

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255903A2 (en) * 1986-08-08 1988-02-17 Siemens Aktiengesellschaft Processor-controlled telephone exchange with a central operation device and operation terminals

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255903A2 (en) * 1986-08-08 1988-02-17 Siemens Aktiengesellschaft Processor-controlled telephone exchange with a central operation device and operation terminals

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PRIVATE ELECTRONIC SWITCHING SYSTEMS, IEE CONF PUBLICATION NO 163 (10-12 APRIL 1978)PP 124-127 *

Also Published As

Publication number Publication date
GB2251530A (en) 1992-07-08
GB9205023D0 (en) 1992-04-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990617