JPS4526750Y1 - - Google Patents

Info

Publication number
JPS4526750Y1
JPS4526750Y1 JP1967042236U JP4223667U JPS4526750Y1 JP S4526750 Y1 JPS4526750 Y1 JP S4526750Y1 JP 1967042236 U JP1967042236 U JP 1967042236U JP 4223667 U JP4223667 U JP 4223667U JP S4526750 Y1 JPS4526750 Y1 JP S4526750Y1
Authority
JP
Japan
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.)
Expired
Application number
JP1967042236U
Other languages
Japanese (ja)
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 JP1967042236U priority Critical patent/JPS4526750Y1/ja
Publication of JPS4526750Y1 publication Critical patent/JPS4526750Y1/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Fire Alarms (AREA)
JP1967042236U 1967-05-20 1967-05-20 Expired JPS4526750Y1 (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1967042236U JPS4526750Y1 (enrdf_load_html_response) 1967-05-20 1967-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1967042236U JPS4526750Y1 (enrdf_load_html_response) 1967-05-20 1967-05-20

Publications (1)

Publication Number Publication Date
JPS4526750Y1 true JPS4526750Y1 (enrdf_load_html_response) 1970-10-17

Family

ID=42855029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1967042236U Expired JPS4526750Y1 (enrdf_load_html_response) 1967-05-20 1967-05-20

Country Status (1)

Country Link
JP (1) JPS4526750Y1 (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236498A (en) * 1975-09-17 1977-03-19 Toho Seisakusho:Kk Concetrated control system detecting of slight fire
JPS5252380A (en) * 1976-09-30 1977-04-27 Omron Tateisi Electronics Co Photodetector device
JPS5442990A (en) * 1977-04-30 1979-04-05 Matsushita Electric Works Ltd Variation component detecting circuit for photoelectric switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236498A (en) * 1975-09-17 1977-03-19 Toho Seisakusho:Kk Concetrated control system detecting of slight fire
JPS5252380A (en) * 1976-09-30 1977-04-27 Omron Tateisi Electronics Co Photodetector device
JPS5442990A (en) * 1977-04-30 1979-04-05 Matsushita Electric Works Ltd Variation component detecting circuit for photoelectric switch

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