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
Application number
JP1987143448U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1987143448U priority Critical patent/JPS6448690U/ja
Priority to US07/207,983 priority patent/US4943800A/en
Priority to EP88305538A priority patent/EP0296766B1/en
Priority to DE3852431T priority patent/DE3852431T2/de
Priority to KR1019880007478A priority patent/KR910004439B1/ko
Publication of JPS6448690U publication Critical patent/JPS6448690U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP1987143448U 1987-06-19 1987-09-18 Pending JPS6448690U (th)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1987143448U JPS6448690U (th) 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 (en) 1987-06-19 1988-06-17 Intrusion detection system
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 (th) 1987-09-18 1987-09-18

Publications (1)

Publication Number Publication Date
JPS6448690U true JPS6448690U (th) 1989-03-27

Family

ID=31410284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987143448U Pending JPS6448690U (th) 1987-06-19 1987-09-18

Country Status (1)

Country Link
JP (1) JPS6448690U (th)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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