JPS53133397A - Guard terminal device - Google Patents

Guard terminal device

Info

Publication number
JPS53133397A
JPS53133397A JP4927977A JP4927977A JPS53133397A JP S53133397 A JPS53133397 A JP S53133397A JP 4927977 A JP4927977 A JP 4927977A JP 4927977 A JP4927977 A JP 4927977A JP S53133397 A JPS53133397 A JP S53133397A
Authority
JP
Japan
Prior art keywords
terminal device
alarm
guard terminal
guard
pulseproduction
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
JP4927977A
Other languages
Japanese (ja)
Inventor
Tadaaki Ogata
Kiyoshi Obara
Ryuichi Shibata
Akinobu Tomimori
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.)
NEC Corp
Sohgo Security Services Co Ltd
Original Assignee
NEC Corp
Sohgo Security Services Co Ltd
Nippon Electric Co 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 NEC Corp, Sohgo Security Services Co Ltd, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4927977A priority Critical patent/JPS53133397A/en
Publication of JPS53133397A publication Critical patent/JPS53133397A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a guard terminal device which can discrimination the pulseproduction alarm from the constant-production alarm by having the communication once with the center by the oscillation start given by the alarm input and then transmitting the alarm input state again after a fixed time.
COPYRIGHT: (C)1978,JPO&Japio
JP4927977A 1977-04-27 1977-04-27 Guard terminal device Pending JPS53133397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4927977A JPS53133397A (en) 1977-04-27 1977-04-27 Guard terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4927977A JPS53133397A (en) 1977-04-27 1977-04-27 Guard terminal device

Publications (1)

Publication Number Publication Date
JPS53133397A true JPS53133397A (en) 1978-11-21

Family

ID=12826413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4927977A Pending JPS53133397A (en) 1977-04-27 1977-04-27 Guard terminal device

Country Status (1)

Country Link
JP (1) JPS53133397A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144993A (en) * 1983-02-08 1984-08-20 三菱電機株式会社 Emergency alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144993A (en) * 1983-02-08 1984-08-20 三菱電機株式会社 Emergency alarm

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