JPS60189870U - Power-on delay circuit for reflective infrared detector - Google Patents
Power-on delay circuit for reflective infrared detectorInfo
- 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
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
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)
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.
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)
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)
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 |
-
1984
- 1984-05-25 JP JP7736984U patent/JPS60189870U/en active Pending
Patent Citations (2)
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)
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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