GB9114584D0 - Electrical safety barriers - Google Patents

Electrical safety barriers

Info

Publication number
GB9114584D0
GB9114584D0 GB919114584A GB9114584A GB9114584D0 GB 9114584 D0 GB9114584 D0 GB 9114584D0 GB 919114584 A GB919114584 A GB 919114584A GB 9114584 A GB9114584 A GB 9114584A GB 9114584 D0 GB9114584 D0 GB 9114584D0
Authority
GB
United Kingdom
Prior art keywords
electrical safety
safety barriers
barriers
electrical
safety
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.)
Granted
Application number
GB919114584A
Other versions
GB2245439B (en
GB2245439A (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.)
Measurement Technology Ltd
Original Assignee
Measurement Technology 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 GB878722679A external-priority patent/GB8722679D0/en
Application filed by Measurement Technology Ltd filed Critical Measurement Technology Ltd
Priority to GB9114584A priority Critical patent/GB2245439B/en
Publication of GB9114584D0 publication Critical patent/GB9114584D0/en
Publication of GB2245439A publication Critical patent/GB2245439A/en
Application granted granted Critical
Publication of GB2245439B publication Critical patent/GB2245439B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits
GB9114584A 1987-09-26 1991-07-05 Electrical safety barriers Expired - Fee Related GB2245439B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9114584A GB2245439B (en) 1987-09-26 1991-07-05 Electrical safety barriers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878722679A GB8722679D0 (en) 1987-09-26 1987-09-26 Electrical safety barriers
GB9114584A GB2245439B (en) 1987-09-26 1991-07-05 Electrical safety barriers

Publications (3)

Publication Number Publication Date
GB9114584D0 true GB9114584D0 (en) 1991-08-21
GB2245439A GB2245439A (en) 1992-01-02
GB2245439B GB2245439B (en) 1992-04-29

Family

ID=26292788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9114584A Expired - Fee Related GB2245439B (en) 1987-09-26 1991-07-05 Electrical safety barriers

Country Status (1)

Country Link
GB (1) GB2245439B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816553B2 (en) * 1968-12-23 1971-09-30 Hartmann & Braun Ag, 6000 Frankfurt DEVICE FOR THE PROTECTION OF CONSUMERS IN EXPLOSION HAZARD AREAS AND OR TRANSDUCERS
BE788539A (en) * 1971-09-10 1973-03-08 Westinghouse Electric Corp ELECTRICAL SYSTEM WITH ENERGY BARRIER
US3813578A (en) * 1973-01-03 1974-05-28 Fisher Controls Co Electrical safety barrier
US4099216A (en) * 1976-11-12 1978-07-04 Westinghouse Electric Corp. Fuseless intrinsic safety barrier

Also Published As

Publication number Publication date
GB2245439B (en) 1992-04-29
GB2245439A (en) 1992-01-02

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020920