EP0256651A3 - Strahlungsempfindliche optische Vorrichtung - Google Patents

Strahlungsempfindliche optische Vorrichtung Download PDF

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Publication number
EP0256651A3
EP0256651A3 EP87305982A EP87305982A EP0256651A3 EP 0256651 A3 EP0256651 A3 EP 0256651A3 EP 87305982 A EP87305982 A EP 87305982A EP 87305982 A EP87305982 A EP 87305982A EP 0256651 A3 EP0256651 A3 EP 0256651A3
Authority
EP
European Patent Office
Prior art keywords
optical radiation
radiation sensitive
sensitive apparatus
lenses
view
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.)
Withdrawn
Application number
EP87305982A
Other languages
English (en)
French (fr)
Other versions
EP0256651A2 (de
Inventor
Oswald Burgess
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.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Publication of EP0256651A2 publication Critical patent/EP0256651A2/de
Publication of EP0256651A3 publication Critical patent/EP0256651A3/de
Withdrawn legal-status Critical Current

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
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
EP87305982A 1986-07-04 1987-07-07 Strahlungsempfindliche optische Vorrichtung Withdrawn EP0256651A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868616330A GB8616330D0 (en) 1986-07-04 1986-07-04 Bearing acquisition & range discount device
GB8616330 1986-07-04

Publications (2)

Publication Number Publication Date
EP0256651A2 EP0256651A2 (de) 1988-02-24
EP0256651A3 true EP0256651A3 (de) 1990-02-28

Family

ID=10600563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87305982A Withdrawn EP0256651A3 (de) 1986-07-04 1987-07-07 Strahlungsempfindliche optische Vorrichtung

Country Status (2)

Country Link
EP (1) EP0256651A3 (de)
GB (1) GB8616330D0 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5929445A (en) * 1996-09-13 1999-07-27 Electro-Optic Technologies, Llc Passive infrared detector
US6690018B1 (en) 1998-10-30 2004-02-10 Electro-Optic Technologies, Llc Motion detectors and occupancy sensors with improved sensitivity, angular resolution and range
US6756595B2 (en) 2000-09-11 2004-06-29 Electro-Optic Technologies, Llc Effective quad-detector occupancy sensors and motion detectors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282030B (de) * 1963-12-20 1968-11-07 Ibm Typendruckeinrichtung fuer Schreib- und aehnliche Maschinen
EP0080114A1 (de) * 1981-11-25 1983-06-01 Eltec Instruments AG Strahlungsdetektor mit mehreren Sensorelementen
EP0107042A1 (de) * 1982-10-01 1984-05-02 Cerberus Ag Infrarot-Detektor zur Feststellung eines Eindringlings in einen Raum

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282030B (de) * 1963-12-20 1968-11-07 Ibm Typendruckeinrichtung fuer Schreib- und aehnliche Maschinen
EP0080114A1 (de) * 1981-11-25 1983-06-01 Eltec Instruments AG Strahlungsdetektor mit mehreren Sensorelementen
EP0107042A1 (de) * 1982-10-01 1984-05-02 Cerberus Ag Infrarot-Detektor zur Feststellung eines Eindringlings in einen Raum

Also Published As

Publication number Publication date
EP0256651A2 (de) 1988-02-24
GB8616330D0 (en) 1986-12-17

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Legal Events

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Owner name: BRITISH AEROSPACE PUBLIC LIMITED COMPANY

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Effective date: 19920805

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Inventor name: BURGESS, OSWALD