JPS52133274A - Battery built-in type smoke sensor - Google Patents

Battery built-in type smoke sensor

Info

Publication number
JPS52133274A
JPS52133274A JP5054876A JP5054876A JPS52133274A JP S52133274 A JPS52133274 A JP S52133274A JP 5054876 A JP5054876 A JP 5054876A JP 5054876 A JP5054876 A JP 5054876A JP S52133274 A JPS52133274 A JP S52133274A
Authority
JP
Japan
Prior art keywords
smoke sensor
type smoke
battery built
battery voltage
indicator lamp
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
JP5054876A
Other languages
Japanese (ja)
Inventor
Yoshihiko Okuda
Tsunehiko Araki
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 JP5054876A priority Critical patent/JPS52133274A/en
Publication of JPS52133274A publication Critical patent/JPS52133274A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply

Abstract

PURPOSE:To monitor the consumtpion of a battery voltage accurately by constituting the detector so that the indicator lamp may instantaneously light on aperiodical basis at the time of normal battery voltage, the indicator lamp is put out and the buzzer generates a knocking sound periodically when a battery voltage is decreased.
JP5054876A 1976-04-30 1976-04-30 Battery built-in type smoke sensor Pending JPS52133274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5054876A JPS52133274A (en) 1976-04-30 1976-04-30 Battery built-in type smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5054876A JPS52133274A (en) 1976-04-30 1976-04-30 Battery built-in type smoke sensor

Publications (1)

Publication Number Publication Date
JPS52133274A true JPS52133274A (en) 1977-11-08

Family

ID=12862055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5054876A Pending JPS52133274A (en) 1976-04-30 1976-04-30 Battery built-in type smoke sensor

Country Status (1)

Country Link
JP (1) JPS52133274A (en)

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