GB1398056A - Safety device for system including duplicated control items - Google Patents

Safety device for system including duplicated control items

Info

Publication number
GB1398056A
GB1398056A GB1140773A GB1140773A GB1398056A GB 1398056 A GB1398056 A GB 1398056A GB 1140773 A GB1140773 A GB 1140773A GB 1140773 A GB1140773 A GB 1140773A GB 1398056 A GB1398056 A GB 1398056A
Authority
GB
United Kingdom
Prior art keywords
peripheral
pair
duplicate
stable
common equipment
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
GB1140773A
Other languages
English (en)
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1398056A publication Critical patent/GB1398056A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54541Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme using multi-processor systems
    • H04Q3/54558Redundancy, stand-by
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4004Coupling between buses
    • G06F13/4022Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Hardware Redundancy (AREA)
  • Safety Devices In Control Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB1140773A 1972-03-17 1973-03-09 Safety device for system including duplicated control items Expired GB1398056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7209415A FR2176279A5 (US07915450-20110329-C00059.png) 1972-03-17 1972-03-17

Publications (1)

Publication Number Publication Date
GB1398056A true GB1398056A (en) 1975-06-18

Family

ID=9095392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1140773A Expired GB1398056A (en) 1972-03-17 1973-03-09 Safety device for system including duplicated control items

Country Status (6)

Country Link
US (1) US3833890A (US07915450-20110329-C00059.png)
CH (1) CH576669A5 (US07915450-20110329-C00059.png)
DE (1) DE2312455C3 (US07915450-20110329-C00059.png)
ES (1) ES412770A1 (US07915450-20110329-C00059.png)
FR (1) FR2176279A5 (US07915450-20110329-C00059.png)
GB (1) GB1398056A (US07915450-20110329-C00059.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355424A1 (fr) * 1976-06-15 1978-01-13 Constr Telephoniques Circuit de commande d'un organe unique par deux chaines independantes
US4228496A (en) * 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
FR2422196A1 (fr) * 1978-04-04 1979-11-02 Bailey Controle Procede de commande du deroulement d'un processus industriel et systeme pour la mise en oeuvre de ce procede
JP3158517B2 (ja) * 1991-08-26 2001-04-23 富士通株式会社 障害検出方式
AT398645B (de) * 1991-11-04 1995-01-25 Alcatel Austria Ag Rechnersystem
US5953314A (en) * 1997-08-28 1999-09-14 Ascend Communications, Inc. Control processor switchover for a telecommunications switch

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303474A (en) * 1963-01-17 1967-02-07 Rca Corp Duplexing system for controlling online and standby conditions of two computers
US3252149A (en) * 1963-03-28 1966-05-17 Digitronics Corp Data processing system
US3517174A (en) * 1965-11-16 1970-06-23 Ericsson Telefon Ab L M Method of localizing a fault in a system including at least two parallelly working computers
US3471686A (en) * 1966-01-03 1969-10-07 Bell Telephone Labor Inc Error detection system for synchronized duplicate data processing units
NL153059B (nl) * 1967-01-23 1977-04-15 Bell Telephone Mfg Automatisch telecommunicatie-schakelstelsel.
BE693071A (US07915450-20110329-C00059.png) * 1967-01-24 1967-07-24
US3587058A (en) * 1969-06-04 1971-06-22 Bell Telephone Labor Inc Data processing system input-output arrangement
BE755621A (fr) * 1969-09-02 1971-03-02 Siemens Ag Systeme de central automatique pour donnees a commande par programme
US3654603A (en) * 1969-10-31 1972-04-04 Astrodata Inc Communications exchange
US3693161A (en) * 1970-07-09 1972-09-19 Burroughs Corp Apparatus for interrogating the availability of a communication path to a peripheral device
US3716837A (en) * 1971-04-22 1973-02-13 Ibm Interrupt handling

Also Published As

Publication number Publication date
DE2312455A1 (de) 1973-09-20
ES412770A1 (es) 1975-12-16
DE2312455C3 (de) 1981-10-08
DE2312455B2 (de) 1981-01-22
AU5333173A (en) 1974-09-19
CH576669A5 (US07915450-20110329-C00059.png) 1976-06-15
US3833890A (en) 1974-09-03
FR2176279A5 (US07915450-20110329-C00059.png) 1973-10-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee