CH568627A5 - - Google Patents

Info

Publication number
CH568627A5
CH568627A5 CH974274A CH974274A CH568627A5 CH 568627 A5 CH568627 A5 CH 568627A5 CH 974274 A CH974274 A CH 974274A CH 974274 A CH974274 A CH 974274A CH 568627 A5 CH568627 A5 CH 568627A5
Authority
CH
Switzerland
Application number
CH974274A
Original Assignee
Cerberus Ag
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 Cerberus Ag filed Critical Cerberus Ag
Priority to CH974274A priority Critical patent/CH568627A5/xx
Priority to DE19752529866 priority patent/DE2529866A1/de
Priority to JP50084040A priority patent/JPS5134000A/ja
Priority to US05/594,880 priority patent/US4010458A/en
Publication of CH568627A5 publication Critical patent/CH568627A5/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
CH974274A 1974-07-15 1974-07-15 CH568627A5 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH974274A CH568627A5 (zh) 1974-07-15 1974-07-15
DE19752529866 DE2529866A1 (de) 1974-07-15 1975-07-04 Lichtschranke
JP50084040A JPS5134000A (en) 1974-07-15 1975-07-10 Kosenshikibogosakusochi
US05/594,880 US4010458A (en) 1974-07-15 1975-07-10 Light gate system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH974274A CH568627A5 (zh) 1974-07-15 1974-07-15

Publications (1)

Publication Number Publication Date
CH568627A5 true CH568627A5 (zh) 1975-10-31

Family

ID=4355186

Family Applications (1)

Application Number Title Priority Date Filing Date
CH974274A CH568627A5 (zh) 1974-07-15 1974-07-15

Country Status (4)

Country Link
US (1) US4010458A (zh)
JP (1) JPS5134000A (zh)
CH (1) CH568627A5 (zh)
DE (1) DE2529866A1 (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020885C2 (de) * 1980-06-02 1990-10-04 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Ausgangsstufe für ein elektrisches Ausgangssignal abgebende Sensoren
DE3032510C2 (de) * 1980-08-29 1983-11-24 W.C. Heraeus Gmbh, 6450 Hanau Raumschutzanlage mit einer Lichtquelle
JPS5862793A (ja) * 1981-10-12 1983-04-14 オーテツク電子株式会社 赤外線警戒装置
US5155472A (en) * 1983-07-29 1992-10-13 Introtek International, Inc. Contact type liquid level sensing system
US4665334A (en) * 1983-08-26 1987-05-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotary stepping device with memory metal actuator
US4692752A (en) * 1984-08-27 1987-09-08 Sentrol, Inc. Moisture detector
US4633235A (en) * 1984-12-20 1986-12-30 Degennaro Charles S Optical cable security system with standby and automatic re-arming features
US4822996A (en) * 1986-04-03 1989-04-18 King-Seeley Thermos Company Ice bin level sensor with time delay
GB2188724B (en) * 1986-04-03 1989-11-15 King Seeley Thermos Co Ice bin level sensor
IT1203356B (it) * 1987-03-02 1989-02-15 Michele Campo Sensore antiscasso
US5160850A (en) * 1991-01-14 1992-11-03 Walter J. Spirig Light beam interrupt detection apparatus for use in a vibrating environment
JP3362852B2 (ja) * 1993-07-02 2003-01-07 ライメ、ゲルト 反射要素における変化の測定または識別装置
AU6968394A (en) * 1993-07-02 1995-01-24 Gerd Reime Device for controlling a windscreen-washer installation
DE4339572A1 (de) * 1993-11-19 1995-05-24 Gerd Reime Vorrichtung mit einer Meßanordnung
JP3044518B2 (ja) * 1993-12-13 2000-05-22 株式会社イナックス 人体検知装置
DE4424537A1 (de) * 1994-07-12 1996-01-18 Sick Optik Elektronik Erwin Verfahren zum Betrieb eines Lichtgitters und Lichtgitter
US6043741A (en) * 1998-05-15 2000-03-28 Ricon Corporation Threshold warning system for wheelchair lifts
AU2008100802B4 (en) * 2008-08-26 2009-01-22 Sec Eng Systems Pty Ltd Detection of hydrocarbon gases

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534351A (en) * 1967-04-07 1970-10-13 Gen Electric Light coupled battery powered remote control apparatus
US3723737A (en) * 1971-05-18 1973-03-27 North American Rockwell Infrared detection and control device
US3859647A (en) * 1971-08-25 1975-01-07 Infrared Ind Inc Photoelectric intrusion sensing device employing synchronous demodulation
JPS5545506Y2 (zh) * 1972-12-14 1980-10-24
US3889118A (en) * 1973-06-14 1975-06-10 Rockwell International Corp Electronic presence sensing device
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating

Also Published As

Publication number Publication date
JPS5134000A (en) 1976-03-23
US4010458A (en) 1977-03-01
DE2529866A1 (de) 1976-02-05

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Legal Events

Date Code Title Description
PL Patent ceased