JPS6448690U - - Google Patents
Info
- Publication number
- JPS6448690U JPS6448690U JP1987143448U JP14344887U JPS6448690U JP S6448690 U JPS6448690 U JP S6448690U JP 1987143448 U JP1987143448 U JP 1987143448U JP 14344887 U JP14344887 U JP 14344887U JP S6448690 U JPS6448690 U JP S6448690U
- Authority
- JP
- Japan
- Prior art keywords
- infrared detector
- holding means
- infrared
- pyroelectric
- holding
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987143448U JPS6448690U (de) | 1987-09-18 | 1987-09-18 | |
US07/207,983 US4943800A (en) | 1987-06-19 | 1988-06-17 | Intrusion detection system using three pyroelectric sensors |
EP88305538A EP0296766B1 (de) | 1987-06-19 | 1988-06-17 | Einbruchdetektorsystem |
DE3852431T DE3852431T2 (de) | 1987-06-19 | 1988-06-17 | Einbruchdetektorsystem. |
KR1019880007478A KR910004439B1 (ko) | 1987-06-19 | 1988-06-20 | 이동체 검지장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987143448U JPS6448690U (de) | 1987-09-18 | 1987-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6448690U true JPS6448690U (de) | 1989-03-27 |
Family
ID=31410284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987143448U Pending JPS6448690U (de) | 1987-06-19 | 1987-09-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6448690U (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013205063A (ja) * | 2012-03-27 | 2013-10-07 | Nec Tokin Corp | 視野角制限カバー及びそれを備えた赤外線センサ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61281929A (ja) * | 1985-06-07 | 1986-12-12 | Matsushita Electric Works Ltd | 熱線式検知器の構造 |
JPS62147388A (ja) * | 1985-12-23 | 1987-07-01 | Matsushita Electric Works Ltd | 熱線感知器 |
-
1987
- 1987-09-18 JP JP1987143448U patent/JPS6448690U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61281929A (ja) * | 1985-06-07 | 1986-12-12 | Matsushita Electric Works Ltd | 熱線式検知器の構造 |
JPS62147388A (ja) * | 1985-12-23 | 1987-07-01 | Matsushita Electric Works Ltd | 熱線感知器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013205063A (ja) * | 2012-03-27 | 2013-10-07 | Nec Tokin Corp | 視野角制限カバー及びそれを備えた赤外線センサ |