JPS51121295A - Emergency alarm system - Google Patents

Emergency alarm system

Info

Publication number
JPS51121295A
JPS51121295A JP4702075A JP4702075A JPS51121295A JP S51121295 A JPS51121295 A JP S51121295A JP 4702075 A JP4702075 A JP 4702075A JP 4702075 A JP4702075 A JP 4702075A JP S51121295 A JPS51121295 A JP S51121295A
Authority
JP
Japan
Prior art keywords
alarm system
emergency alarm
economically
positively
power circuit
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
JP4702075A
Other languages
Japanese (ja)
Inventor
Kichizo Yamamoto
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP4702075A priority Critical patent/JPS51121295A/en
Publication of JPS51121295A publication Critical patent/JPS51121295A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To transmit alarms economically but positively by using the commercial power circuit as the transmitting medium.
COPYRIGHT: (C)1976,JPO&Japio
JP4702075A 1975-04-17 1975-04-17 Emergency alarm system Pending JPS51121295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4702075A JPS51121295A (en) 1975-04-17 1975-04-17 Emergency alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4702075A JPS51121295A (en) 1975-04-17 1975-04-17 Emergency alarm system

Publications (1)

Publication Number Publication Date
JPS51121295A true JPS51121295A (en) 1976-10-23

Family

ID=12763486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4702075A Pending JPS51121295A (en) 1975-04-17 1975-04-17 Emergency alarm system

Country Status (1)

Country Link
JP (1) JPS51121295A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819992A (en) * 1981-07-30 1983-02-05 日本警備保障株式会社 Alarm
JPS61170048U (en) * 1985-04-09 1986-10-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819992A (en) * 1981-07-30 1983-02-05 日本警備保障株式会社 Alarm
JPH039516B2 (en) * 1981-07-30 1991-02-08 Secom Co Ltd
JPS61170048U (en) * 1985-04-09 1986-10-22

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