GB2135464B - Triplicate signal check circuit - Google Patents

Triplicate signal check circuit

Info

Publication number
GB2135464B
GB2135464B GB08305054A GB8305054A GB2135464B GB 2135464 B GB2135464 B GB 2135464B GB 08305054 A GB08305054 A GB 08305054A GB 8305054 A GB8305054 A GB 8305054A GB 2135464 B GB2135464 B GB 2135464B
Authority
GB
United Kingdom
Prior art keywords
triplicate
check circuit
signal check
signal
circuit
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
GB08305054A
Other versions
GB2135464A (en
GB8305054D0 (en
Inventor
Peter James Hiner
Alan James Penn
Philip Graham Thomas
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08305054A priority Critical patent/GB2135464B/en
Publication of GB8305054D0 publication Critical patent/GB8305054D0/en
Publication of GB2135464A publication Critical patent/GB2135464A/en
Application granted granted Critical
Publication of GB2135464B publication Critical patent/GB2135464B/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/22Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB08305054A 1983-02-19 1983-02-19 Triplicate signal check circuit Expired GB2135464B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08305054A GB2135464B (en) 1983-02-19 1983-02-19 Triplicate signal check circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08305054A GB2135464B (en) 1983-02-19 1983-02-19 Triplicate signal check circuit

Publications (3)

Publication Number Publication Date
GB8305054D0 GB8305054D0 (en) 1983-03-30
GB2135464A GB2135464A (en) 1984-08-30
GB2135464B true GB2135464B (en) 1986-07-02

Family

ID=10538488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08305054A Expired GB2135464B (en) 1983-02-19 1983-02-19 Triplicate signal check circuit

Country Status (1)

Country Link
GB (1) GB2135464B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209304A (en) * 1966-11-10 1970-10-21 Automatic Telephone & Elect Improvements in or relating to electrical pulse monitoring circuits
GB1521971A (en) * 1974-10-29 1978-08-23 Standard Telephones Cables Ltd Phase locked oscillators

Also Published As

Publication number Publication date
GB2135464A (en) 1984-08-30
GB8305054D0 (en) 1983-03-30

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Legal Events

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