JPS58106941A - 親子式インタ−ホン装置 - Google Patents

親子式インタ−ホン装置

Info

Publication number
JPS58106941A
JPS58106941A JP56205474A JP20547481A JPS58106941A JP S58106941 A JPS58106941 A JP S58106941A JP 56205474 A JP56205474 A JP 56205474A JP 20547481 A JP20547481 A JP 20547481A JP S58106941 A JPS58106941 A JP S58106941A
Authority
JP
Japan
Prior art keywords
handset
station number
repeater
signal line
call
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
JP56205474A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6233786B2 (OSRAM
Inventor
Hiroshi Kito
鬼頭　宏志
Seiki Sasaki
佐々木　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 JP56205474A priority Critical patent/JPS58106941A/ja
Publication of JPS58106941A publication Critical patent/JPS58106941A/ja
Publication of JPS6233786B2 publication Critical patent/JPS6233786B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP56205474A 1981-12-18 1981-12-18 親子式インタ−ホン装置 Granted JPS58106941A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56205474A JPS58106941A (ja) 1981-12-18 1981-12-18 親子式インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56205474A JPS58106941A (ja) 1981-12-18 1981-12-18 親子式インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS58106941A true JPS58106941A (ja) 1983-06-25
JPS6233786B2 JPS6233786B2 (OSRAM) 1987-07-22

Family

ID=16507453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56205474A Granted JPS58106941A (ja) 1981-12-18 1981-12-18 親子式インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS58106941A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108062U (ja) * 1983-12-23 1985-07-23 松下電工株式会社 集合住宅用通話システム
JPS61128860U (OSRAM) * 1985-01-31 1986-08-12

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63179991U (OSRAM) * 1987-05-12 1988-11-21
JPH0384054U (OSRAM) * 1989-09-14 1991-08-27

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450352A (en) * 1977-09-28 1979-04-20 Hitachi Ltd Centralized meter inspector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450352A (en) * 1977-09-28 1979-04-20 Hitachi Ltd Centralized meter inspector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108062U (ja) * 1983-12-23 1985-07-23 松下電工株式会社 集合住宅用通話システム
JPS61128860U (OSRAM) * 1985-01-31 1986-08-12

Also Published As

Publication number Publication date
JPS6233786B2 (OSRAM) 1987-07-22

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