JPS60189870U - Power-on delay circuit for reflective infrared detector - Google Patents

Power-on delay circuit for reflective infrared detector

Info

Publication number
JPS60189870U
JPS60189870U JP7736984U JP7736984U JPS60189870U JP S60189870 U JPS60189870 U JP S60189870U JP 7736984 U JP7736984 U JP 7736984U JP 7736984 U JP7736984 U JP 7736984U JP S60189870 U JPS60189870 U JP S60189870U
Authority
JP
Japan
Prior art keywords
power
delay circuit
reflective infrared
infrared detector
turned
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
JP7736984U
Other languages
Japanese (ja)
Inventor
一仁 栢木
Original Assignee
松下電工株式会社
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 松下電工株式会社 filed Critical 松下電工株式会社
Priority to JP7736984U priority Critical patent/JPS60189870U/en
Publication of JPS60189870U publication Critical patent/JPS60189870U/en
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の回路図、第２図は同上の電
源投入遅延回路を付加しないときのタイムチャート、第
３図は同上の電源投入遅延回路を付加したときのタイム
チャート、第４図は従来の反射型赤外線検知器のブロッ
ク回路図である。 ６・・・直流増巾器、Ｃ・・・結合コンデンサ。FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a time chart when the above power-on delay circuit is not added, and FIG. 3 is a time chart when the above power-on delay circuit is added. FIG. 4 is a block circuit diagram of a conventional reflective infrared detector. 6...DC amplifier, C...coupling capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] センサーからの検知出力を増巾する直流増巾段の結合コ
ンデンサを電源投入時に強制充電し、電源投入後一定時
間内で前記直流増巾段のゲインを１にする如くして成る
反射型赤外線検知器の電源投入遅延回路。Reflective infrared detection in which the coupling capacitor of the DC amplification stage that amplifies the detection output from the sensor is forcibly charged when the power is turned on, and the gain of the DC amplification stage is set to 1 within a certain period of time after the power is turned on. power-on delay circuit for the device.
JP7736984U 1984-05-25 1984-05-25 Power-on delay circuit for reflective infrared detector Pending JPS60189870U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7736984U JPS60189870U (en) 1984-05-25 1984-05-25 Power-on delay circuit for reflective infrared detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7736984U JPS60189870U (en) 1984-05-25 1984-05-25 Power-on delay circuit for reflective infrared detector

Publications (1)

Publication Number Publication Date
JPS60189870U true JPS60189870U (en) 1985-12-16

Family

ID=30620376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7736984U Pending JPS60189870U (en) 1984-05-25 1984-05-25 Power-on delay circuit for reflective infrared detector

Country Status (1)

Country Link
JP (1) JPS60189870U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001028087A (en) * 1999-07-13 2001-01-30 Kawamura Electric Inc Alarm device
JP2007309656A (en) * 2006-05-16 2007-11-29 Riken Keiki Co Ltd Pyroelectric-type infrared gas detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118409A (en) * 1981-01-14 1982-07-23 Hitachi Ltd Amplifying circuit
JPS57170607A (en) * 1981-04-13 1982-10-20 Optic Kk Amplifying circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118409A (en) * 1981-01-14 1982-07-23 Hitachi Ltd Amplifying circuit
JPS57170607A (en) * 1981-04-13 1982-10-20 Optic Kk Amplifying circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001028087A (en) * 1999-07-13 2001-01-30 Kawamura Electric Inc Alarm device
JP2007309656A (en) * 2006-05-16 2007-11-29 Riken Keiki Co Ltd Pyroelectric-type infrared gas detector
JP4755017B2 (en) * 2006-05-16 2011-08-24 理研計器株式会社 Pyroelectric infrared gas detector

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