JPH0133879B2 - - Google Patents

Info

Publication number
JPH0133879B2
JPH0133879B2 JP57021900A JP2190082A JPH0133879B2 JP H0133879 B2 JPH0133879 B2 JP H0133879B2 JP 57021900 A JP57021900 A JP 57021900A JP 2190082 A JP2190082 A JP 2190082A JP H0133879 B2 JPH0133879 B2 JP H0133879B2
Authority
JP
Japan
Prior art keywords
circuit
detection circuit
agc
white noise
light receiving
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
Application number
JP57021900A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58139298A (ja
Inventor
Tatsuya Arimoto
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.)
OPUTETSUKUSU KK
Original Assignee
OPUTETSUKUSU KK
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 OPUTETSUKUSU KK filed Critical OPUTETSUKUSU KK
Priority to JP57021900A priority Critical patent/JPS58139298A/ja
Publication of JPS58139298A publication Critical patent/JPS58139298A/ja
Publication of JPH0133879B2 publication Critical patent/JPH0133879B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
JP57021900A 1982-02-13 1982-02-13 パルス変調方式赤外線防犯警報装置 Granted JPS58139298A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57021900A JPS58139298A (ja) 1982-02-13 1982-02-13 パルス変調方式赤外線防犯警報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57021900A JPS58139298A (ja) 1982-02-13 1982-02-13 パルス変調方式赤外線防犯警報装置

Publications (2)

Publication Number Publication Date
JPS58139298A JPS58139298A (ja) 1983-08-18
JPH0133879B2 true JPH0133879B2 (enrdf_load_html_response) 1989-07-17

Family

ID=12067976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57021900A Granted JPS58139298A (ja) 1982-02-13 1982-02-13 パルス変調方式赤外線防犯警報装置

Country Status (1)

Country Link
JP (1) JPS58139298A (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6318498A (ja) * 1986-07-10 1988-01-26 綜合警備保障株式会社 赤外線式侵入者検知器
JP2590135B2 (ja) * 1987-09-14 1997-03-12 富士通株式会社 電荷入力回路
JPH021096A (ja) * 1987-12-24 1990-01-05 Hochiki Corp 赤外線遮断式検出器
JP2751009B2 (ja) * 1994-09-16 1998-05-18 西芝電機株式会社 系統連系保護装置
KR100556226B1 (ko) * 2004-12-15 2006-03-03 주식회사 케이엠티 적외선 감지기

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629790A (en) * 1979-08-17 1981-03-25 Yagi Antenna Radio alarm

Also Published As

Publication number Publication date
JPS58139298A (ja) 1983-08-18

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