GB818762A - Improvements relating to electric switches and indicators therefor - Google Patents

Improvements relating to electric switches and indicators therefor

Info

Publication number
GB818762A
GB818762A GB205757A GB205757A GB818762A GB 818762 A GB818762 A GB 818762A GB 205757 A GB205757 A GB 205757A GB 205757 A GB205757 A GB 205757A GB 818762 A GB818762 A GB 818762A
Authority
GB
United Kingdom
Prior art keywords
switch
bulb
plate
improvements relating
electric switches
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
GB205757A
Inventor
Ernest Gough
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.)
WALSALL CONDUITS Ltd
Original Assignee
WALSALL CONDUITS 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 WALSALL CONDUITS Ltd filed Critical WALSALL CONDUITS Ltd
Priority to GB205757A priority Critical patent/GB818762A/en
Publication of GB818762A publication Critical patent/GB818762A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements

Landscapes

  • Road Signs Or Road Markings (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Audible And Visible Signals (AREA)

Abstract

818,762. Indicators for switches. WALSALL CONDUITS Ltd. Jan. 14, 1958 [Jan. 19, 1957], No. 2057/57. Drawings to Specification. Class 38 (5). A dolly-operated switch having an insulating base is provided with an indicator light comprising a neon or similar bulb mounted on an insulating plate at the front of the switch and a series resistor therefor mounted in a recess in the back of the base. The connections may be such that the bulb acts as a location indicator, lighting when the switch is off, or acts as a pilot light when the switch is on. A translucent disc or cap for the bulb is provided in the switch cover-plate, or the whole cover-plate may be translucent.
GB205757A 1957-01-19 1957-01-19 Improvements relating to electric switches and indicators therefor Expired GB818762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB205757A GB818762A (en) 1957-01-19 1957-01-19 Improvements relating to electric switches and indicators therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB205757A GB818762A (en) 1957-01-19 1957-01-19 Improvements relating to electric switches and indicators therefor

Publications (1)

Publication Number Publication Date
GB818762A true GB818762A (en) 1959-08-19

Family

ID=9732848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB205757A Expired GB818762A (en) 1957-01-19 1957-01-19 Improvements relating to electric switches and indicators therefor

Country Status (1)

Country Link
GB (1) GB818762A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215131A (en) * 1988-02-12 1989-09-13 Philip Nicholas Derbyshire Electrical switches
GB2251060B (en) * 1990-12-17 1994-02-16 Andreas Charalambous Georgiou An illuminating electric light switch
EP1467387A1 (en) * 2003-04-07 2004-10-13 Feller AG Illuminated electric switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215131A (en) * 1988-02-12 1989-09-13 Philip Nicholas Derbyshire Electrical switches
GB2251060B (en) * 1990-12-17 1994-02-16 Andreas Charalambous Georgiou An illuminating electric light switch
EP1467387A1 (en) * 2003-04-07 2004-10-13 Feller AG Illuminated electric switch

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