JPS51149799A - Smoke detecting circuit - Google Patents

Smoke detecting circuit

Info

Publication number
JPS51149799A
JPS51149799A JP7395875A JP7395875A JPS51149799A JP S51149799 A JPS51149799 A JP S51149799A JP 7395875 A JP7395875 A JP 7395875A JP 7395875 A JP7395875 A JP 7395875A JP S51149799 A JPS51149799 A JP S51149799A
Authority
JP
Japan
Prior art keywords
detecting circuit
smoke detecting
suppressed
even though
same level
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
JP7395875A
Other languages
English (en)
Other versions
JPS5811675B2 (ja
Inventor
Kensaburo Tanemura
Yoshiharu Suzuki
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP50073958A priority Critical patent/JPS5811675B2/ja
Publication of JPS51149799A publication Critical patent/JPS51149799A/ja
Publication of JPS5811675B2 publication Critical patent/JPS5811675B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
JP50073958A 1975-06-17 1975-06-17 マグネツトスイツチ Expired JPS5811675B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50073958A JPS5811675B2 (ja) 1975-06-17 1975-06-17 マグネツトスイツチ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50073958A JPS5811675B2 (ja) 1975-06-17 1975-06-17 マグネツトスイツチ

Publications (2)

Publication Number Publication Date
JPS51149799A true JPS51149799A (en) 1976-12-22
JPS5811675B2 JPS5811675B2 (ja) 1983-03-04

Family

ID=13533087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50073958A Expired JPS5811675B2 (ja) 1975-06-17 1975-06-17 マグネツトスイツチ

Country Status (1)

Country Link
JP (1) JPS5811675B2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855699A (ja) * 1971-11-12 1973-08-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855699A (ja) * 1971-11-12 1973-08-04

Also Published As

Publication number Publication date
JPS5811675B2 (ja) 1983-03-04

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