GB2154104B - Test apparatus - Google Patents

Test apparatus

Info

Publication number
GB2154104B
GB2154104B GB08403447A GB8403447A GB2154104B GB 2154104 B GB2154104 B GB 2154104B GB 08403447 A GB08403447 A GB 08403447A GB 8403447 A GB8403447 A GB 8403447A GB 2154104 B GB2154104 B GB 2154104B
Authority
GB
United Kingdom
Prior art keywords
test apparatus
test
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
Application number
GB08403447A
Other versions
GB2154104A (en
Inventor
Trevor Leslie Barry Want
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.)
Marconi Instruments Ltd
Original Assignee
Marconi Instruments 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 Marconi Instruments Ltd filed Critical Marconi Instruments Ltd
Priority to GB08403447A priority Critical patent/GB2154104B/en
Publication of GB2154104A publication Critical patent/GB2154104A/en
Application granted granted Critical
Publication of GB2154104B publication Critical patent/GB2154104B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
GB08403447A 1984-02-09 1984-02-09 Test apparatus Expired GB2154104B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08403447A GB2154104B (en) 1984-02-09 1984-02-09 Test apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08403447A GB2154104B (en) 1984-02-09 1984-02-09 Test apparatus

Publications (2)

Publication Number Publication Date
GB2154104A GB2154104A (en) 1985-08-29
GB2154104B true GB2154104B (en) 1987-09-23

Family

ID=10556345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08403447A Expired GB2154104B (en) 1984-02-09 1984-02-09 Test apparatus

Country Status (1)

Country Link
GB (1) GB2154104B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325397A (en) * 1989-12-07 1994-06-28 The Commonwealth Of Australia Error rate monitor
AU1995992A (en) * 1991-05-10 1992-12-30 William F Ellersick Fault detection and isolation of fiber to the curb systems
DE4121480C1 (en) * 1991-06-26 1993-02-25 Siemens Ag, 8000 Muenchen, De
GB2277237B (en) * 1993-03-31 1998-01-21 Mitsubishi Electric Corp Communication system and method of detecting transmission faults therein
GB2447986A (en) * 2007-03-30 2008-10-01 Wolfson Ltd Signal reproduction circuitry
GB2447985B (en) 2007-03-30 2011-12-28 Wolfson Microelectronics Plc Pattern detection circuitry

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531713A1 (en) * 1975-07-16 1977-02-03 Licentia Gmbh FUNCTIONAL MONITORING BY TEST SIGNALS
US4022988A (en) * 1976-06-14 1977-05-10 Bell Telephone Laboratories, Incorporated Fault locating apparatus for digital transmission system
GB1560487A (en) * 1977-05-06 1980-02-06 Post Office Detection of error in digital signals
DE2735203C2 (en) * 1977-08-04 1979-07-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method and arrangement for bit error rate measurement in a time division multiplex system
GB2063021B (en) * 1979-09-12 1984-02-08 Atomic Energy Authority Uk Monitoring apparatus

Also Published As

Publication number Publication date
GB2154104A (en) 1985-08-29

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Legal Events

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

Effective date: 19930209