JPS5537688A - Smoke alarm - Google Patents

Smoke alarm

Info

Publication number
JPS5537688A
JPS5537688A JP9172779A JP9172779A JPS5537688A JP S5537688 A JPS5537688 A JP S5537688A JP 9172779 A JP9172779 A JP 9172779A JP 9172779 A JP9172779 A JP 9172779A JP S5537688 A JPS5537688 A JP S5537688A
Authority
JP
Japan
Prior art keywords
smoke alarm
smoke
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.)
Pending
Application number
JP9172779A
Other languages
Japanese (ja)
Inventor
Bushiyu Rudorufu
Shiyurutohaisu Udo
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.)
Gebrueder Junghans GmbH
Original Assignee
Gebrueder Junghans GmbH
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 Gebrueder Junghans GmbH filed Critical Gebrueder Junghans GmbH
Publication of JPS5537688A publication Critical patent/JPS5537688A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
JP9172779A 1978-09-06 1979-07-20 Smoke alarm Pending JPS5537688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782838767 DE2838767A1 (en) 1978-09-06 1978-09-06 SMOKE DETECTOR

Publications (1)

Publication Number Publication Date
JPS5537688A true JPS5537688A (en) 1980-03-15

Family

ID=6048771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9172779A Pending JPS5537688A (en) 1978-09-06 1979-07-20 Smoke alarm

Country Status (3)

Country Link
JP (1) JPS5537688A (en)
DE (1) DE2838767A1 (en)
GB (1) GB2029617A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100836A (en) * 1982-12-02 1984-06-11 Nissan Motor Co Ltd Device for detecting vibration of engine
CN102221811A (en) * 2011-05-03 2011-10-19 戴明杰 Wall clock with automatic fire extinguishing function

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904988A (en) * 1989-03-06 1990-02-27 Nesbit Charles E Toy with a smoke detector
FI905043A0 (en) * 1989-10-17 1990-10-12 Rauno Tapio Kinnunen SPEGEL / RAEDDNINGSSKAOP.
GB2280295A (en) * 1993-07-19 1995-01-25 Benedict Chaplin Spencer Portable smoke detector
GB2404459A (en) * 2003-07-29 2005-02-02 John Cubbison Combined clock and smoke alarm device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100836A (en) * 1982-12-02 1984-06-11 Nissan Motor Co Ltd Device for detecting vibration of engine
JPH0216991B2 (en) * 1982-12-02 1990-04-19 Nissan Motor
CN102221811A (en) * 2011-05-03 2011-10-19 戴明杰 Wall clock with automatic fire extinguishing function

Also Published As

Publication number Publication date
DE2838767A1 (en) 1980-03-20
GB2029617A (en) 1980-03-19

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