JPS61201191U - - Google Patents

Info

Publication number
JPS61201191U
JPS61201191U JP8229385U JP8229385U JPS61201191U JP S61201191 U JPS61201191 U JP S61201191U JP 8229385 U JP8229385 U JP 8229385U JP 8229385 U JP8229385 U JP 8229385U JP S61201191 U JPS61201191 U JP S61201191U
Authority
JP
Japan
Prior art keywords
infrared
emitter
receiver
pulsed light
alarm
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
JP8229385U
Other languages
Japanese (ja)
Other versions
JPH0445110Y2 (en
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 JP8229385U priority Critical patent/JPH0445110Y2/ja
Publication of JPS61201191U publication Critical patent/JPS61201191U/ja
Application granted granted Critical
Publication of JPH0445110Y2 publication Critical patent/JPH0445110Y2/ja
Expired legal-status Critical Current

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  • Burglar Alarm Systems (AREA)

Description

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

第２図は、従来例を示す図、第１図、第３図お
よび第４図は、本考案の実施例を示す図である。 FIG. 2 is a diagram showing a conventional example, and FIGS. 1, 3, and 4 are diagrams showing an embodiment of the present invention.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 近赤外線パルス光を発する投光器と、この近赤
外線パルスを受光し、これが遮断されたときに警
報作号を発する受光器とで構成され、投光器及び
受光器の光学系前面に近赤外線透過窓を備え、そ
の前方の近い位置に近赤外線の透過率が高く、遠
赤外線の透過率の低い材質でできたカバーを上方
より、パルス光の光芒内にかけて配置したことを
特徴とする赤外線防犯警報装置。 It consists of an emitter that emits near-infrared pulsed light, and a receiver that receives this near-infrared pulse and issues an alarm signal when it is interrupted, and is equipped with a near-infrared transmitting window on the front side of the optical system of the emitter and receiver. , an infrared security alarm device characterized in that a cover made of a material with high near-infrared transmittance and low far-infrared transmittance is placed close to the front of the alarm, extending from above into the beam of the pulsed light.
JP8229385U 1985-05-30 1985-05-30 Expired JPH0445110Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8229385U JPH0445110Y2 (en) 1985-05-30 1985-05-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8229385U JPH0445110Y2 (en) 1985-05-30 1985-05-30

Publications (2)

Publication Number Publication Date
JPS61201191U true JPS61201191U (en) 1986-12-17
JPH0445110Y2 JPH0445110Y2 (en) 1992-10-23

Family

ID=30629879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8229385U Expired JPH0445110Y2 (en) 1985-05-30 1985-05-30

Country Status (1)

Country Link
JP (1) JPH0445110Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63313299A (en) * 1987-06-16 1988-12-21 Matsushita Electric Works Ltd Infrared crime prevention detector
WO2006106732A1 (en) * 2005-03-30 2006-10-12 Optex Co., Ltd. Crime prevention sensor with frost protection step difference

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63313299A (en) * 1987-06-16 1988-12-21 Matsushita Electric Works Ltd Infrared crime prevention detector
WO2006106732A1 (en) * 2005-03-30 2006-10-12 Optex Co., Ltd. Crime prevention sensor with frost protection step difference
US7633067B2 (en) 2005-03-30 2009-12-15 Optex Co., Ltd. Security sensor device having frost protective step
JP4748736B2 (en) * 2005-03-30 2011-08-17 オプテックス株式会社 Crime prevention sensor device having step for frost prevention

Also Published As

Publication number Publication date
JPH0445110Y2 (en) 1992-10-23

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