JPS59191683U - alarm device - Google Patents

alarm device

Info

Publication number
JPS59191683U
JPS59191683U JP8640583U JP8640583U JPS59191683U JP S59191683 U JPS59191683 U JP S59191683U JP 8640583 U JP8640583 U JP 8640583U JP 8640583 U JP8640583 U JP 8640583U JP S59191683 U JPS59191683 U JP S59191683U
Authority
JP
Japan
Prior art keywords
light
memory
alarm device
alarm
emitter
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
JP8640583U
Other languages
Japanese (ja)
Inventor
敏一 山本
Original Assignee
沖電気工業株式会社
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 沖電気工業株式会社 filed Critical 沖電気工業株式会社
Priority to JP8640583U priority Critical patent/JPS59191683U/en
Publication of JPS59191683U publication Critical patent/JPS59191683U/en
Pending legal-status Critical Current

Links

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図は従来の警報装置を示す回路図、第２図は従来の
警報装置において光が遮断されてい沿いときのタイムチ
ャート、第３図は光が遮断されたときのタイムチャート
、第４図は本考案による警報装置の一実施例を示す回路
図、第５図は本考案による警報装置において光が遮断さ
れたときのタイムチャートである。 １６・・・発光器、１７・・・抵抗、１８・・・トラン
ジスタ、１９・・・電源、２０・・・メモリ、２１・・
・受光器、２１〜２４・・・抵Ｌ　２５−）ランジスタ
、２６・・・電源、２７・・・比較器、２８・・・メモ
リ。Fig. 1 is a circuit diagram showing a conventional alarm device, Fig. 2 is a time chart when the light is blocked in the conventional alarm device, Fig. 3 is a time chart when the light is blocked, Fig. 4 5 is a circuit diagram showing an embodiment of the alarm device according to the present invention, and FIG. 5 is a time chart when light is interrupted in the alarm device according to the present invention. 16... Light emitter, 17... Resistor, 18... Transistor, 19... Power supply, 20... Memory, 21...
- Light receiver, 21-24... Resistor L 25-) Transistor, 26... Power supply, 27... Comparator, 28... Memory.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光器から発する光パルスを受光器で受け、この発光器
と受光器との間で光パルスが遮断されると警報が発生さ
れる警報装置において、発光側の回路と受光側の回路に
各々メモリを設けるかまたは両者に共用のメモリを設け
、また受光側の回路には比較器を設けて、メモリに設定
されたプログラムに従って発光器から光パルスを発し、
受光器からの出力信号とメモリに設定されたプログラム
とを比較器で比較することにより光パルスの遮断を検知
して警報を発生させることを特徴とする警報装置。In an alarm device, a light pulse emitted from a light emitter is received by a light receiver, and an alarm is generated when the light pulse is interrupted between the light emitter and the light receiver. Memory is installed in the light emitting side circuit and the light receiving side circuit, respectively. or a shared memory for both, and a comparator is provided in the light receiving circuit, and the light pulse is emitted from the emitter according to the program set in the memory.
An alarm device characterized in that a comparator compares an output signal from a light receiver with a program set in a memory to detect interruption of a light pulse and generate an alarm.
JP8640583U 1983-06-08 1983-06-08 alarm device Pending JPS59191683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8640583U JPS59191683U (en) 1983-06-08 1983-06-08 alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8640583U JPS59191683U (en) 1983-06-08 1983-06-08 alarm device

Publications (1)

Publication Number Publication Date
JPS59191683U true JPS59191683U (en) 1984-12-19

Family

ID=30216342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8640583U Pending JPS59191683U (en) 1983-06-08 1983-06-08 alarm device

Country Status (1)

Country Link
JP (1) JPS59191683U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6281595A (en) * 1985-10-04 1987-04-15 Takenaka Eng Kogyo Kk Infrared type detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6281595A (en) * 1985-10-04 1987-04-15 Takenaka Eng Kogyo Kk Infrared type detector

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