JPS60198698A - インタ−ホン装置 - Google Patents

インタ−ホン装置

Info

Publication number
JPS60198698A
JPS60198698A JP5543784A JP5543784A JPS60198698A JP S60198698 A JPS60198698 A JP S60198698A JP 5543784 A JP5543784 A JP 5543784A JP 5543784 A JP5543784 A JP 5543784A JP S60198698 A JPS60198698 A JP S60198698A
Authority
JP
Japan
Prior art keywords
circuit
alarm
disconnection
gas detector
detection 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.)
Granted
Application number
JP5543784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0332837B2 (enrdf_load_stackoverflow
Inventor
穴沢　誠紀
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP5543784A priority Critical patent/JPS60198698A/ja
Publication of JPS60198698A publication Critical patent/JPS60198698A/ja
Publication of JPH0332837B2 publication Critical patent/JPH0332837B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Emergency Alarm Devices (AREA)
JP5543784A 1984-03-22 1984-03-22 インタ−ホン装置 Granted JPS60198698A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5543784A JPS60198698A (ja) 1984-03-22 1984-03-22 インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5543784A JPS60198698A (ja) 1984-03-22 1984-03-22 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS60198698A true JPS60198698A (ja) 1985-10-08
JPH0332837B2 JPH0332837B2 (enrdf_load_stackoverflow) 1991-05-14

Family

ID=12998567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5543784A Granted JPS60198698A (ja) 1984-03-22 1984-03-22 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS60198698A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6481087A (en) * 1987-09-22 1989-03-27 Hitachi Maxell Ic card data transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6481087A (en) * 1987-09-22 1989-03-27 Hitachi Maxell Ic card data transmission system

Also Published As

Publication number Publication date
JPH0332837B2 (enrdf_load_stackoverflow) 1991-05-14

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