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GB1457891A - Sealable electrical apparatus and switches therefor - Google Patents

Sealable electrical apparatus and switches therefor

Info

Publication number
GB1457891A
GB1457891A GB1692973A GB1692973A GB1457891A GB 1457891 A GB1457891 A GB 1457891A GB 1692973 A GB1692973 A GB 1692973A GB 1692973 A GB1692973 A GB 1692973A GB 1457891 A GB1457891 A GB 1457891A
Authority
GB
United Kingdom
Prior art keywords
electrical apparatus
switches therefor
sealable electrical
sealable
housing
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
GB1692973A
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.)
UNDERGROUND LOCATION SERVICES Ltd
Original Assignee
UNDERGROUND LOCATION SERVICES 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 UNDERGROUND LOCATION SERVICES Ltd filed Critical UNDERGROUND LOCATION SERVICES Ltd
Priority to GB1692973A priority Critical patent/GB1457891A/en
Publication of GB1457891A publication Critical patent/GB1457891A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006Permanent magnet actuating reed switches

Landscapes

  • Push-Button Switches (AREA)

Abstract

1457891 Magnetic switches UNDERGROUND LOCATION SERVICES Ltd 22 March 1974 [9 April 1973] 16929/73 Heading H1N A sealed magnetic reed contact unit 5 within a sealable housing 1, 2 containing electronic equipment is operable by a permanent magnet 7 on an angularly slidable ring 6 outside the housing 1, 2.
GB1692973A 1973-04-09 1973-04-09 Sealable electrical apparatus and switches therefor Expired GB1457891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1692973A GB1457891A (en) 1973-04-09 1973-04-09 Sealable electrical apparatus and switches therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1692973A GB1457891A (en) 1973-04-09 1973-04-09 Sealable electrical apparatus and switches therefor

Publications (1)

Publication Number Publication Date
GB1457891A true GB1457891A (en) 1976-12-08

Family

ID=10086204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1692973A Expired GB1457891A (en) 1973-04-09 1973-04-09 Sealable electrical apparatus and switches therefor

Country Status (1)

Country Link
GB (1) GB1457891A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518748A1 (en) * 1981-12-18 1983-06-24 Terumo Corp ELECTRONIC MEDICAL THERMOMETER
EP0513866A3 (en) * 1986-10-25 1992-12-23 Tdk Corporation Magnetic tilt sensor wherein the magnetic sensing element is displaceable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518748A1 (en) * 1981-12-18 1983-06-24 Terumo Corp ELECTRONIC MEDICAL THERMOMETER
EP0513866A3 (en) * 1986-10-25 1992-12-23 Tdk Corporation Magnetic tilt sensor wherein the magnetic sensing element is displaceable

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Legal Events

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