JPS52104008A - Connecting method of button telephone apparatus - Google Patents

Connecting method of button telephone apparatus

Info

Publication number
JPS52104008A
JPS52104008A JP2093376A JP2093376A JPS52104008A JP S52104008 A JPS52104008 A JP S52104008A JP 2093376 A JP2093376 A JP 2093376A JP 2093376 A JP2093376 A JP 2093376A JP S52104008 A JPS52104008 A JP S52104008A
Authority
JP
Japan
Prior art keywords
telephone apparatus
connecting method
button telephone
telephone
main apparatus
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
JP2093376A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5522987B2 (OSRAM
Inventor
Takashi Sasaki
Masao Makino
Akinobu Sekiguchi
Nobuo Yamato
Minoru Sasai
Shuichi Nishimuta
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.)
Taiko Electric Works Ltd
Kanda Tsushin Kogyo Co Ltd
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Taiko Electric Works Ltd
Kanda Tsushin Kogyo 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 Nippon Telegraph and Telephone Corp, Taiko Electric Works Ltd, Kanda Tsushin Kogyo Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2093376A priority Critical patent/JPS52104008A/ja
Publication of JPS52104008A publication Critical patent/JPS52104008A/ja
Publication of JPS5522987B2 publication Critical patent/JPS5522987B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP2093376A 1976-02-27 1976-02-27 Connecting method of button telephone apparatus Granted JPS52104008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2093376A JPS52104008A (en) 1976-02-27 1976-02-27 Connecting method of button telephone apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2093376A JPS52104008A (en) 1976-02-27 1976-02-27 Connecting method of button telephone apparatus

Publications (2)

Publication Number Publication Date
JPS52104008A true JPS52104008A (en) 1977-09-01
JPS5522987B2 JPS5522987B2 (OSRAM) 1980-06-20

Family

ID=12041003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2093376A Granted JPS52104008A (en) 1976-02-27 1976-02-27 Connecting method of button telephone apparatus

Country Status (1)

Country Link
JP (1) JPS52104008A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330802A (en) * 1976-09-03 1978-03-23 Meisei Electric Co Ltd Key telephone system
JPH02283193A (ja) * 1989-04-25 1990-11-20 Matsushita Electric Ind Co Ltd 内線通話機能付き電話装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS494962A (OSRAM) * 1972-04-27 1974-01-17
JPS5279707A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Key telephone main unit
JPS5279705A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Privacy circuit in key telephone unit
JPS5279704A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Holding system in key telephone system
JPS5279706A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Subscriber line calling system in key telephone unit
JPS5279708A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Key telephone system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS494962A (OSRAM) * 1972-04-27 1974-01-17
JPS5279707A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Key telephone main unit
JPS5279705A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Privacy circuit in key telephone unit
JPS5279704A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Holding system in key telephone system
JPS5279706A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Subscriber line calling system in key telephone unit
JPS5279708A (en) * 1975-12-26 1977-07-05 Iwatsu Electric Co Ltd Key telephone system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330802A (en) * 1976-09-03 1978-03-23 Meisei Electric Co Ltd Key telephone system
JPH02283193A (ja) * 1989-04-25 1990-11-20 Matsushita Electric Ind Co Ltd 内線通話機能付き電話装置

Also Published As

Publication number Publication date
JPS5522987B2 (OSRAM) 1980-06-20

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