JPH034149B2 - - Google Patents

Info

Publication number
JPH034149B2
JPH034149B2 JP58053855A JP5385583A JPH034149B2 JP H034149 B2 JPH034149 B2 JP H034149B2 JP 58053855 A JP58053855 A JP 58053855A JP 5385583 A JP5385583 A JP 5385583A JP H034149 B2 JPH034149 B2 JP H034149B2
Authority
JP
Japan
Prior art keywords
switch
circuit
channel selection
intercom device
reset
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.)
Expired - Lifetime
Application number
JP58053855A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59181764A (ja
Inventor
Isamu Okui
Yoshiaki Hirauma
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.)
Toshiba Lighting and Technology Corp
Original Assignee
Toshiba Lighting and Technology Corp
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 Toshiba Lighting and Technology Corp filed Critical Toshiba Lighting and Technology Corp
Priority to JP58053855A priority Critical patent/JPS59181764A/ja
Publication of JPS59181764A publication Critical patent/JPS59181764A/ja
Publication of JPH034149B2 publication Critical patent/JPH034149B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP58053855A 1983-03-31 1983-03-31 インタ−ホン装置 Granted JPS59181764A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58053855A JPS59181764A (ja) 1983-03-31 1983-03-31 インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58053855A JPS59181764A (ja) 1983-03-31 1983-03-31 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS59181764A JPS59181764A (ja) 1984-10-16
JPH034149B2 true JPH034149B2 (it) 1991-01-22

Family

ID=12954381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58053855A Granted JPS59181764A (ja) 1983-03-31 1983-03-31 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS59181764A (it)

Also Published As

Publication number Publication date
JPS59181764A (ja) 1984-10-16

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