DE68919890D1 - Pyroelektrisches Element. - Google Patents
Pyroelektrisches Element.Info
- Publication number
- DE68919890D1 DE68919890D1 DE68919890T DE68919890T DE68919890D1 DE 68919890 D1 DE68919890 D1 DE 68919890D1 DE 68919890 T DE68919890 T DE 68919890T DE 68919890 T DE68919890 T DE 68919890T DE 68919890 D1 DE68919890 D1 DE 68919890D1
- Authority
- DE
- Germany
- Prior art keywords
- pyroelectric element
- pyroelectric
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
-
- 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
- G08B13/191—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 pyroelectric sensor means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N15/00—Thermoelectric devices without a junction of dissimilar materials; Thermomagnetic devices, e.g. using the Nernst-Ettingshausen effect
- H10N15/10—Thermoelectric devices using thermal change of the dielectric constant, e.g. working above and below the Curie point
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988049681U JPH01152226U (de) | 1988-04-13 | 1988-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68919890D1 true DE68919890D1 (de) | 1995-01-26 |
DE68919890T2 DE68919890T2 (de) | 1995-07-06 |
Family
ID=12837921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68919890T Expired - Fee Related DE68919890T2 (de) | 1988-04-13 | 1989-04-10 | Pyroelektrisches Element. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4983838A (de) |
EP (1) | EP0338711B1 (de) |
JP (1) | JPH01152226U (de) |
DE (1) | DE68919890T2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04115509A (ja) * | 1990-09-05 | 1992-04-16 | Kureha Chem Ind Co Ltd | 電子回路用素子及びその製造方法 |
KR0133244Y1 (ko) * | 1994-11-11 | 1999-01-15 | 이형도 | 무방향성 초전형 센서 |
US5574375A (en) * | 1995-03-15 | 1996-11-12 | Kureha Kagaku Kogyo Kabushiki Kaisha | Dual pyroelectric sensor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3839640A (en) * | 1973-06-20 | 1974-10-01 | J Rossin | Differential pyroelectric sensor |
GB2046431B (en) * | 1979-04-12 | 1983-06-15 | Philips Electronic Associated | Pyroelectric detector protection circuit |
US4437002A (en) * | 1980-04-21 | 1984-03-13 | Nihon Ceramic Co., Ltd. | Pyroelectric infrared sensor |
JPS5832337A (ja) * | 1981-08-19 | 1983-02-25 | Toshiba Corp | カラ−ブラウン管の製造方法 |
US4469976A (en) * | 1982-07-06 | 1984-09-04 | The United States Of America As Represented By The Secretary Of The Navy | Single-side connected transducer |
GB2143081B (en) * | 1983-07-06 | 1987-01-14 | Philips Electronic Associated | Infra-red detector with differentially connected pyroelecric elements |
JPS6018730A (ja) * | 1983-07-11 | 1985-01-30 | Murata Mfg Co Ltd | 焦電型検出器 |
JPS61175583A (ja) * | 1985-01-31 | 1986-08-07 | Kureha Chem Ind Co Ltd | 焦電型移動物体検出素子 |
DE3618732A1 (de) * | 1985-09-11 | 1987-03-19 | Siemens Ag | Sensorelementeanordnung in einem halterahmen fuer einen pyrodetektor und verfahren zu deren herstellung |
-
1988
- 1988-04-13 JP JP1988049681U patent/JPH01152226U/ja active Pending
-
1989
- 1989-04-10 US US07/335,419 patent/US4983838A/en not_active Expired - Fee Related
- 1989-04-10 EP EP89303504A patent/EP0338711B1/de not_active Expired - Lifetime
- 1989-04-10 DE DE68919890T patent/DE68919890T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE68919890T2 (de) | 1995-07-06 |
US4983838A (en) | 1991-01-08 |
JPH01152226U (de) | 1989-10-20 |
EP0338711A2 (de) | 1989-10-25 |
EP0338711B1 (de) | 1994-12-14 |
EP0338711A3 (de) | 1991-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |