JPS56124989A - Alarm unit - Google Patents

Alarm unit

Info

Publication number
JPS56124989A
JPS56124989A JP2664080A JP2664080A JPS56124989A JP S56124989 A JPS56124989 A JP S56124989A JP 2664080 A JP2664080 A JP 2664080A JP 2664080 A JP2664080 A JP 2664080A JP S56124989 A JPS56124989 A JP S56124989A
Authority
JP
Japan
Prior art keywords
alarm unit
alarm
unit
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
JP2664080A
Other languages
Japanese (ja)
Other versions
JPS6329315B2 (en
Inventor
Izumi Nakamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2664080A priority Critical patent/JPS56124989A/en
Publication of JPS56124989A publication Critical patent/JPS56124989A/en
Publication of JPS6329315B2 publication Critical patent/JPS6329315B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
JP2664080A 1980-03-05 1980-03-05 Alarm unit Granted JPS56124989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2664080A JPS56124989A (en) 1980-03-05 1980-03-05 Alarm unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2664080A JPS56124989A (en) 1980-03-05 1980-03-05 Alarm unit

Publications (2)

Publication Number Publication Date
JPS56124989A true JPS56124989A (en) 1981-09-30
JPS6329315B2 JPS6329315B2 (en) 1988-06-13

Family

ID=12199040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2664080A Granted JPS56124989A (en) 1980-03-05 1980-03-05 Alarm unit

Country Status (1)

Country Link
JP (1) JPS56124989A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101191U (en) * 1991-01-31 1992-09-01 京セラ株式会社 Sensor malfunction prevention circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389391U (en) * 1976-12-23 1978-07-21
JPS53115088U (en) * 1977-02-22 1978-09-13
JPS53152236U (en) * 1978-03-30 1978-11-30

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389391U (en) * 1976-12-23 1978-07-21
JPS53115088U (en) * 1977-02-22 1978-09-13
JPS53152236U (en) * 1978-03-30 1978-11-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04101191U (en) * 1991-01-31 1992-09-01 京セラ株式会社 Sensor malfunction prevention circuit

Also Published As

Publication number Publication date
JPS6329315B2 (en) 1988-06-13

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