GB2128447B - Telephone exchange system test equipment - Google Patents

Telephone exchange system test equipment

Info

Publication number
GB2128447B
GB2128447B GB08228609A GB8228609A GB2128447B GB 2128447 B GB2128447 B GB 2128447B GB 08228609 A GB08228609 A GB 08228609A GB 8228609 A GB8228609 A GB 8228609A GB 2128447 B GB2128447 B GB 2128447B
Authority
GB
United Kingdom
Prior art keywords
test equipment
exchange system
telephone exchange
system test
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.)
Expired
Application number
GB08228609A
Other versions
GB2128447A (en
Inventor
Gary Alfred Sarson
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 GB08228609A priority Critical patent/GB2128447B/en
Publication of GB2128447A publication Critical patent/GB2128447A/en
Application granted granted Critical
Publication of GB2128447B publication Critical patent/GB2128447B/en
Priority to SG39887A priority patent/SG39887G/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/241—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for stored program controlled exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB08228609A 1982-10-06 1982-10-06 Telephone exchange system test equipment Expired GB2128447B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08228609A GB2128447B (en) 1982-10-06 1982-10-06 Telephone exchange system test equipment
SG39887A SG39887G (en) 1982-10-06 1987-05-04 Telephone exchange system test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08228609A GB2128447B (en) 1982-10-06 1982-10-06 Telephone exchange system test equipment

Publications (2)

Publication Number Publication Date
GB2128447A GB2128447A (en) 1984-04-26
GB2128447B true GB2128447B (en) 1986-10-29

Family

ID=10533441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08228609A Expired GB2128447B (en) 1982-10-06 1982-10-06 Telephone exchange system test equipment

Country Status (2)

Country Link
GB (1) GB2128447B (en)
SG (1) SG39887G (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485370A (en) 1988-05-05 1996-01-16 Transaction Technology, Inc. Home services delivery system with intelligent terminal emulator
US5572572A (en) 1988-05-05 1996-11-05 Transaction Technology, Inc. Computer and telephone apparatus with user friendly interface and enhanced integrity features
US5796832A (en) 1995-11-13 1998-08-18 Transaction Technology, Inc. Wireless transaction and information system
US5870724A (en) 1989-12-08 1999-02-09 Online Resources & Communications Corporation Targeting advertising in a home retail banking delivery service

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0190370B1 (en) * 1984-12-31 1990-04-04 International Business Machines Corporation Device for improving the detection of non-operational states in a non-attended interrupt-driven processor
US5195130A (en) * 1988-05-05 1993-03-16 Transaction Technology, Inc. Computer and telephone apparatus with user friendly computer interface and enhanced integrity features
US4991199A (en) * 1988-05-05 1991-02-05 Transaction Technology, Inc. Computer and telephone apparatus with user friendly computer interface and enhanced integrity features
US5008927A (en) * 1988-05-05 1991-04-16 Transaction Technology, Inc. Computer and telephone apparatus with user friendly computer interface integrity features

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485370A (en) 1988-05-05 1996-01-16 Transaction Technology, Inc. Home services delivery system with intelligent terminal emulator
US5572572A (en) 1988-05-05 1996-11-05 Transaction Technology, Inc. Computer and telephone apparatus with user friendly interface and enhanced integrity features
US5870724A (en) 1989-12-08 1999-02-09 Online Resources & Communications Corporation Targeting advertising in a home retail banking delivery service
US5796832A (en) 1995-11-13 1998-08-18 Transaction Technology, Inc. Wireless transaction and information system
US6442532B1 (en) 1995-11-13 2002-08-27 Transaction Technology Inc. Wireless transaction and information system

Also Published As

Publication number Publication date
GB2128447A (en) 1984-04-26
SG39887G (en) 1987-07-24

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee