JPS61105477A - レ−ザ光警報装置 - Google Patents

レ−ザ光警報装置

Info

Publication number
JPS61105477A
JPS61105477A JP22731384A JP22731384A JPS61105477A JP S61105477 A JPS61105477 A JP S61105477A JP 22731384 A JP22731384 A JP 22731384A JP 22731384 A JP22731384 A JP 22731384A JP S61105477 A JPS61105477 A JP S61105477A
Authority
JP
Japan
Prior art keywords
circuit
laser beam
outputs
laser light
photodetecting
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
JP22731384A
Other languages
English (en)
Japanese (ja)
Other versions
JPH045352B2 (cg-RX-API-DMAC7.html
Inventor
Takahito Hiratsuka
隆仁 平塚
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP22731384A priority Critical patent/JPS61105477A/ja
Publication of JPS61105477A publication Critical patent/JPS61105477A/ja
Publication of JPH045352B2 publication Critical patent/JPH045352B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP22731384A 1984-10-29 1984-10-29 レ−ザ光警報装置 Granted JPS61105477A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22731384A JPS61105477A (ja) 1984-10-29 1984-10-29 レ−ザ光警報装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22731384A JPS61105477A (ja) 1984-10-29 1984-10-29 レ−ザ光警報装置

Publications (2)

Publication Number Publication Date
JPS61105477A true JPS61105477A (ja) 1986-05-23
JPH045352B2 JPH045352B2 (cg-RX-API-DMAC7.html) 1992-01-31

Family

ID=16858842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22731384A Granted JPS61105477A (ja) 1984-10-29 1984-10-29 レ−ザ光警報装置

Country Status (1)

Country Link
JP (1) JPS61105477A (cg-RX-API-DMAC7.html)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54103073A (en) * 1978-01-31 1979-08-14 Koukuu Uchiyuu Gijiyutsu Kenki Tracing system
JPS5526459A (en) * 1978-08-17 1980-02-25 Hitachi Ltd Sensitivity correction circuit of photoelectric element
JPS59139519A (ja) * 1983-01-31 1984-08-10 松下電工株式会社 反射型光電スイツチ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54103073A (en) * 1978-01-31 1979-08-14 Koukuu Uchiyuu Gijiyutsu Kenki Tracing system
JPS5526459A (en) * 1978-08-17 1980-02-25 Hitachi Ltd Sensitivity correction circuit of photoelectric element
JPS59139519A (ja) * 1983-01-31 1984-08-10 松下電工株式会社 反射型光電スイツチ

Also Published As

Publication number Publication date
JPH045352B2 (cg-RX-API-DMAC7.html) 1992-01-31

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term