JPS58139298A - パルス変調方式赤外線防犯警報装置 - Google Patents

パルス変調方式赤外線防犯警報装置

Info

Publication number
JPS58139298A
JPS58139298A JP57021900A JP2190082A JPS58139298A JP S58139298 A JPS58139298 A JP S58139298A JP 57021900 A JP57021900 A JP 57021900A JP 2190082 A JP2190082 A JP 2190082A JP S58139298 A JPS58139298 A JP S58139298A
Authority
JP
Japan
Prior art keywords
circuit
white noise
light
signal
infrared
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.)
Granted
Application number
JP57021900A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0133879B2 (enrdf_load_stackoverflow
Inventor
有本　達也
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.)
Opt KK
Original Assignee
Opt 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 Opt KK filed Critical Opt 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 true JPS58139298A (ja) 1983-08-18
JPH0133879B2 JPH0133879B2 (enrdf_load_stackoverflow) 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_stackoverflow)

Cited By (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
JPS6473666A (en) * 1987-09-14 1989-03-17 Fujitsu Ltd Charge input circuit
JPH021096A (ja) * 1987-12-24 1990-01-05 Hochiki Corp 赤外線遮断式検出器
JPH0888937A (ja) * 1994-09-16 1996-04-02 Nishishiba Electric Co Ltd 系統連系保護装置
KR100556226B1 (ko) * 2004-12-15 2006-03-03 주식회사 케이엠티 적외선 감지기

Citations (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

Patent Citations (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

Cited By (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
JPS6473666A (en) * 1987-09-14 1989-03-17 Fujitsu Ltd Charge input circuit
JPH021096A (ja) * 1987-12-24 1990-01-05 Hochiki Corp 赤外線遮断式検出器
JPH0888937A (ja) * 1994-09-16 1996-04-02 Nishishiba Electric Co Ltd 系統連系保護装置
KR100556226B1 (ko) * 2004-12-15 2006-03-03 주식회사 케이엠티 적외선 감지기

Also Published As

Publication number Publication date
JPH0133879B2 (enrdf_load_stackoverflow) 1989-07-17

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