GB1401429A - Electrical switches - Google Patents

Electrical switches

Info

Publication number
GB1401429A
GB1401429A GB5890471A GB5890471A GB1401429A GB 1401429 A GB1401429 A GB 1401429A GB 5890471 A GB5890471 A GB 5890471A GB 5890471 A GB5890471 A GB 5890471A GB 1401429 A GB1401429 A GB 1401429A
Authority
GB
United Kingdom
Prior art keywords
dolly
dec
luminescent
phosphorescent
electrical 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
GB5890471A
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.)
DORMAN SMITH BRITMAC Ltd
Original Assignee
DORMAN SMITH BRITMAC 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 DORMAN SMITH BRITMAC Ltd filed Critical DORMAN SMITH BRITMAC Ltd
Priority to GB5890471A priority Critical patent/GB1401429A/en
Publication of GB1401429A publication Critical patent/GB1401429A/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
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/185—Fluorescent or phosphorescent symbols or distinguishing marks

Landscapes

  • Luminescent Compositions (AREA)

Abstract

1401429 Indicator DORMAN SMITH BRITMAC Ltd 15 Dec 1972 [18 Dec 1971] 58904/71 Heading H1N A dolly 13, Fig. 2, for an electric switch incorporates a luminescent or phosphorescent element 25 enabling the switch to be seen in the dark. The dolly has a rectangular section slot 18 containing a transparent housing 19 secured by adhesion or a press fit and shaped to the form of the dolly 14. The luminescent element 25 may comprise a tubular capsule coated internally with a phosphorescent material such as zinc sulphide and containing radio-active tritium. Different colours may be obtained by placing coloured filters over the element.
GB5890471A 1971-12-18 1971-12-18 Electrical switches Expired GB1401429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5890471A GB1401429A (en) 1971-12-18 1971-12-18 Electrical switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5890471A GB1401429A (en) 1971-12-18 1971-12-18 Electrical switches

Publications (1)

Publication Number Publication Date
GB1401429A true GB1401429A (en) 1975-07-16

Family

ID=10482654

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5890471A Expired GB1401429A (en) 1971-12-18 1971-12-18 Electrical switches

Country Status (1)

Country Link
GB (1) GB1401429A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185354A (en) * 1986-01-13 1987-07-15 George Frank Henrick The optical light switch
GB2249870A (en) * 1990-11-12 1992-05-20 Contactum Ltd Electrical switch dolly
GB2250636A (en) * 1990-10-31 1992-06-10 Tranter Malcolm Desmond Identifying switches and other articles in the dark
ES2114827A1 (en) * 1996-07-31 1998-06-01 Schneider Electric Espana Sa Indicating means for electrical elements
GB2350231A (en) * 1999-05-18 2000-11-22 Timothy John Blower Luminescent light switch
GB2352090A (en) * 1999-07-12 2001-01-17 Nicola Saks Photoluminescent switch
GB2361358A (en) * 2000-04-14 2001-10-17 Michael William Challis Light switch
WO2016119531A1 (en) * 2015-01-29 2016-08-04 施耐德电气（澳大利亚）有限公司 Switch

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185354A (en) * 1986-01-13 1987-07-15 George Frank Henrick The optical light switch
GB2250636A (en) * 1990-10-31 1992-06-10 Tranter Malcolm Desmond Identifying switches and other articles in the dark
GB2249870A (en) * 1990-11-12 1992-05-20 Contactum Ltd Electrical switch dolly
GB2249870B (en) * 1990-11-12 1994-10-05 Contactum Ltd Electrical switch dolly
ES2114827A1 (en) * 1996-07-31 1998-06-01 Schneider Electric Espana Sa Indicating means for electrical elements
GB2350231A (en) * 1999-05-18 2000-11-22 Timothy John Blower Luminescent light switch
GB2352090A (en) * 1999-07-12 2001-01-17 Nicola Saks Photoluminescent switch
GB2361358A (en) * 2000-04-14 2001-10-17 Michael William Challis Light switch
WO2016119531A1 (en) * 2015-01-29 2016-08-04 施耐德电气（澳大利亚）有限公司 Switch

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees