CH624482A5 - - Google Patents

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Publication number
CH624482A5
CH624482A5 CH77478A CH77478A CH624482A5 CH 624482 A5 CH624482 A5 CH 624482A5 CH 77478 A CH77478 A CH 77478A CH 77478 A CH77478 A CH 77478A CH 624482 A5 CH624482 A5 CH 624482A5
Authority
CH
Switzerland
Prior art keywords
converter
useful
auxiliary
resistor
light
Prior art date
Application number
CH77478A
Other languages
German (de)
English (en)
Inventor
Arthur Dr Walter
Original Assignee
Sick Optik Elektronik Erwin
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 Sick Optik Elektronik Erwin filed Critical Sick Optik Elektronik Erwin
Publication of CH624482A5 publication Critical patent/CH624482A5/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Light Receiving Elements (AREA)
  • Electronic Switches (AREA)
CH77478A 1977-02-03 1978-01-25 CH624482A5 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772704565 DE2704565A1 (de) 1977-02-03 1977-02-03 Photoelektronisches geraet

Publications (1)

Publication Number Publication Date
CH624482A5 true CH624482A5 (cs) 1981-07-31

Family

ID=6000301

Family Applications (1)

Application Number Title Priority Date Filing Date
CH77478A CH624482A5 (cs) 1977-02-03 1978-01-25

Country Status (8)

Country Link
US (1) US4388528A (cs)
JP (1) JPS5397479A (cs)
CA (1) CA1134474A (cs)
CH (1) CH624482A5 (cs)
DE (1) DE2704565A1 (cs)
FR (1) FR2379825A1 (cs)
IT (1) IT1092377B (cs)
SE (1) SE7801247L (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808260C1 (en) * 1988-03-12 1989-03-16 Fred 6991 Igersheim De Henneberg Screen device
DE4214920A1 (de) * 1992-05-11 1993-11-18 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Sensorsignal-Aufbereitung

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1171938A (fr) 1983-01-07 1984-07-31 David Bensoussan Controleur automatique de temperature, de chauffage d'air conditionne et d'humidite sensible au mouvement et a la lumiere
US4734576A (en) * 1986-05-01 1988-03-29 Tektronix, Inc. Electro-optic sampler
USRE37777E1 (en) * 1986-10-08 2002-07-02 Jeffrey G. Herman Switch apparatus requiring the hand of the operator to activate the switch by breaking a light beam
US4939358A (en) * 1986-10-08 1990-07-03 Jeffries, Inc. Switch apparatus including a pair of beam-type switches
US4859054A (en) * 1987-07-10 1989-08-22 The United States Of America As Represented By The United States Department Of Energy Proximity fuze
US5117118A (en) * 1988-10-19 1992-05-26 Astex Co., Ltd. Photoelectric switch using an integrated circuit with reduced interconnections
US5077467A (en) * 1990-09-12 1991-12-31 Triad Controls, Inc. Photoelectric switch and relay system with disabling fail-safe monitoring circuitry
US5367158A (en) * 1991-10-25 1994-11-22 Break-A-Beam, Inc. Photoelectric switch for use with a machine control circuit
DE4219270A1 (de) * 1992-06-14 1993-12-16 Gerhard Woerner Vorrichtung zum Umschalten eines Mehrwegeventils
EP3261131B1 (en) * 2016-06-21 2022-06-22 Nokia Technologies Oy An apparatus for sensing electromagnetic radiation

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE899868C (de) * 1943-05-20 1953-12-17 Tobis Tonbild Syndikat G M B H Photometer
US3028499A (en) * 1959-11-02 1962-04-03 Gen Electric Expanded scale photoelectric device
US3311748A (en) * 1963-12-20 1967-03-28 Frank A Volpe Sun tracker with rotatable planeparallel plate and two photocells
US3521962A (en) * 1964-06-19 1970-07-28 Stanley Electric Co Ltd Light responsive and measuring device
US3500049A (en) * 1967-04-17 1970-03-10 Bendix Corp Variable albedo earth sensor of a relatively narrow angular effective field of view
US3486031A (en) * 1967-06-05 1969-12-23 Bell Telephone Labor Inc Memory cell utilizing optical read-in
US3475613A (en) * 1967-10-09 1969-10-28 Trw Inc Three-photocell network for detecting small-area radiation source in presence of large area background noise radiation
FR1600914A (cs) * 1968-11-18 1970-08-03
FR2106761A5 (cs) 1970-09-23 1972-05-05 Cilas
US3845319A (en) * 1971-10-22 1974-10-29 Sick Erwin Method and apparatus for the accurate detection of the passage of the edge of a straight contrast jump
JPS4945786A (ja) * 1972-09-04 1974-05-01 Nippon Kogaku Kk Jidosotsukoki
US3924256A (en) * 1974-01-08 1975-12-02 Morton H Cohen Burglar alarm switch
DE2501244A1 (de) 1975-01-14 1976-07-15 Siemens Ag Verfahren zum betrieb einer ueberwachungseinrichtung
US4054795A (en) * 1975-12-16 1977-10-18 Bell Telephone Laboratories, Incorporated Photoelectric sensing system with light source compensating means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808260C1 (en) * 1988-03-12 1989-03-16 Fred 6991 Igersheim De Henneberg Screen device
DE4214920A1 (de) * 1992-05-11 1993-11-18 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Sensorsignal-Aufbereitung
US5408143A (en) * 1992-05-11 1995-04-18 Deutsche Thomson-Brandt Gmbh Circuit for processing sensor signals

Also Published As

Publication number Publication date
SE7801247L (sv) 1978-08-04
DE2704565C3 (cs) 1979-10-18
US4388528A (en) 1983-06-14
DE2704565B2 (cs) 1979-02-22
FR2379825B1 (cs) 1983-05-27
DE2704565A1 (de) 1978-08-10
JPS5397479A (en) 1978-08-25
IT7819665A0 (it) 1978-01-26
FR2379825A1 (fr) 1978-09-01
CA1134474A (en) 1982-10-26
IT1092377B (it) 1985-07-12

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased