JPS6435693A - Automatic fire alarming device - Google Patents

Automatic fire alarming device

Info

Publication number
JPS6435693A
JPS6435693A JP19411987A JP19411987A JPS6435693A JP S6435693 A JPS6435693 A JP S6435693A JP 19411987 A JP19411987 A JP 19411987A JP 19411987 A JP19411987 A JP 19411987A JP S6435693 A JPS6435693 A JP S6435693A
Authority
JP
Japan
Prior art keywords
bell
time
fire
area
sounding
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
JP19411987A
Other languages
Japanese (ja)
Inventor
Takashi Shimokawa
Masatomo Hachiman
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.)
Hochiki Corp
Original Assignee
Hochiki 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 Hochiki Corp filed Critical Hochiki Corp
Priority to JP19411987A priority Critical patent/JPS6435693A/en
Publication of JPS6435693A publication Critical patent/JPS6435693A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)

Abstract

PURPOSE:To suppress psychological excitement due to an area sound alarm at the time of a fire, to be minimum, and in addition, to surely inform the fire by providing a receiver with a controlling means to output an output to an area sound device intermittently. CONSTITUTION:When one of fire detectors 3 detects the fire, a fire detection signal is transmitted to the receiver 1. A fire receiving part 4 receives it, and sends a reception output to a reception control part 5. The control part 5 sends a fire alarm by sounding a main bell, etc., to the installation place of the receiver 1, and at the same time, outputs a control signal for controlling the sounding of the bell to an area bell control part 6. The control part 6 outputs an area bell control signal like as shown by a figure to an area bell drive circuit 7. This signal makes an area bell 9 sound extending over predetermined definite time T1, and after the time T1 elapses, it suspends the sounding of the bell extending over a predetermined definite time T2, and it is repeated. Thus, the bell 9 sounds intermittently as repeating the sounding of the time T1 and the pause of the time T2. Thus, a necessary instruction or information can be transmitted by using the time T2.
JP19411987A 1987-08-03 1987-08-03 Automatic fire alarming device Pending JPS6435693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19411987A JPS6435693A (en) 1987-08-03 1987-08-03 Automatic fire alarming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19411987A JPS6435693A (en) 1987-08-03 1987-08-03 Automatic fire alarming device

Publications (1)

Publication Number Publication Date
JPS6435693A true JPS6435693A (en) 1989-02-06

Family

ID=16319232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19411987A Pending JPS6435693A (en) 1987-08-03 1987-08-03 Automatic fire alarming device

Country Status (1)

Country Link
JP (1) JPS6435693A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004295242A (en) * 2003-03-25 2004-10-21 Matsushita Electric Works Ltd Self-operated fire alarm receiver

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139700A (en) * 1974-04-25 1975-11-08
JPS52133788A (en) * 1976-04-30 1977-11-09 Matsushita Electric Works Ltd Refu ge guiding system
JPS52133790A (en) * 1976-04-30 1977-11-09 Matsushita Electric Works Ltd Refuge guiding system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50139700A (en) * 1974-04-25 1975-11-08
JPS52133788A (en) * 1976-04-30 1977-11-09 Matsushita Electric Works Ltd Refu ge guiding system
JPS52133790A (en) * 1976-04-30 1977-11-09 Matsushita Electric Works Ltd Refuge guiding system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004295242A (en) * 2003-03-25 2004-10-21 Matsushita Electric Works Ltd Self-operated fire alarm receiver

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