IN167560B - - Google Patents

Info

Publication number
IN167560B
IN167560B IN478/CAL/87A IN478CA1987A IN167560B IN 167560 B IN167560 B IN 167560B IN 478CA1987 A IN478CA1987 A IN 478CA1987A IN 167560 B IN167560 B IN 167560B
Authority
IN
India
Application number
IN478/CAL/87A
Other languages
English (en)
Inventor
Karel Havel
Original Assignee
Karel Havel
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 Karel Havel filed Critical Karel Havel
Publication of IN167560B publication Critical patent/IN167560B/en

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"
    • H01H9/168—Indicators for switching condition, e.g. "on" or "off" making use of an electromagnetic wave communication

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Length Measuring Devices By Optical Means (AREA)
IN478/CAL/87A 1986-06-13 1987-06-18 IN167560B (enEXAMPLES)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/874,028 US4692612A (en) 1986-06-13 1986-06-13 Switch position detector and indicator with multicolor light emitter

Publications (1)

Publication Number Publication Date
IN167560B true IN167560B (enEXAMPLES) 1990-11-17

Family

ID=25362822

Family Applications (1)

Application Number Title Priority Date Filing Date
IN478/CAL/87A IN167560B (enEXAMPLES) 1986-06-13 1987-06-18

Country Status (3)

Country Link
US (1) US4692612A (enEXAMPLES)
CA (1) CA1239182A (enEXAMPLES)
IN (1) IN167560B (enEXAMPLES)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829192A (en) * 1986-03-27 1989-05-09 Kabushiki Kaisha Tokai Rika Denki Seisakusho Photo-coupler with delay function using a fluorescent substance as the delay means
US4878722A (en) * 1988-06-24 1989-11-07 Korry Electronics Company Wavelength encoded optical switches
GB8908102D0 (en) * 1989-04-11 1989-05-24 British Nuclear Fuels Plc Phase-failure detector
US5650608A (en) * 1991-12-05 1997-07-22 Tv Interactive Data Corporation Method and apparatus for generating ratiometric control signals
US5216246A (en) * 1992-02-03 1993-06-01 Xerox Corporation Optical safety shutoff for machine cover
EP0782159A3 (de) * 1995-12-30 1998-10-28 Franz Vogl Electronic GmbH Optisches Überwachungssystem für einen Trennschalter sowie Trennschalter mit einem solchen Überwachungssystem
US5818037A (en) * 1996-04-09 1998-10-06 Tv Interactive Data Corporation Controller using a flexible element to vary light transferred to a photosensitive element
DE19960399B4 (de) * 1999-09-17 2004-09-02 Elan Schaltelemente Gmbh & Co. Kg Elektromechanisches Schaltgerät
CA2675742A1 (en) * 2002-12-20 2004-07-15 Honda Giken Kogyo Kabushiki Kaisha Noble metal-free nickel catalyst formulations for hydrogen generation
JP7695354B2 (ja) * 2020-11-05 2025-06-18 ヴァイナート インダストリーズ アー・ゲー センシング装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL275191A (enEXAMPLES) * 1961-02-27
DE2047997B2 (de) * 1970-09-30 1976-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronische einzel-eingabetaste
JPS48102585A (enEXAMPLES) * 1972-04-04 1973-12-22
JPS57199390U (enEXAMPLES) * 1981-06-15 1982-12-17
US4617461A (en) * 1984-04-25 1986-10-14 Burroughs Corporation Fluorescent optical switch and keyboard apparatus

Also Published As

Publication number Publication date
CA1263889C (enEXAMPLES) 1989-12-12
US4692612A (en) 1987-09-08
CA1239182A (en) 1988-07-12

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