EP0256651A3 - Strahlungsempfindliche optische Vorrichtung - Google Patents
Strahlungsempfindliche optische Vorrichtung Download PDFInfo
- 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- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 title 1
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)
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)
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)
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 |
-
1986
- 1986-07-04 GB GB868616330A patent/GB8616330D0/en active Pending
-
1987
- 1987-07-07 EP EP87305982A patent/EP0256651A3/de not_active Withdrawn
Patent Citations (3)
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
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19870715 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE DE FR GB NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE DE FR GB NL |
|
17Q | First examination report despatched |
Effective date: 19920325 |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BRITISH AEROSPACE PUBLIC LIMITED COMPANY |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19920805 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BURGESS, OSWALD |