JPH0259676B2 - - Google Patents

Info

Publication number
JPH0259676B2
JPH0259676B2 JP57209124A JP20912482A JPH0259676B2 JP H0259676 B2 JPH0259676 B2 JP H0259676B2 JP 57209124 A JP57209124 A JP 57209124A JP 20912482 A JP20912482 A JP 20912482A JP H0259676 B2 JPH0259676 B2 JP H0259676B2
Authority
JP
Japan
Prior art keywords
telephone
tel
signal
line
terminal
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
JP57209124A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5999897A (ja
Inventor
Tomio Nishimura
Junzo Kikuchi
Ryuzo Sugiura
Toshiro Yoshida
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP20912482A priority Critical patent/JPS5999897A/ja
Publication of JPS5999897A publication Critical patent/JPS5999897A/ja
Publication of JPH0259676B2 publication Critical patent/JPH0259676B2/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
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP20912482A 1982-11-29 1982-11-29 ボタン電話装置における標準電話機の増設方式 Granted JPS5999897A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20912482A JPS5999897A (ja) 1982-11-29 1982-11-29 ボタン電話装置における標準電話機の増設方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20912482A JPS5999897A (ja) 1982-11-29 1982-11-29 ボタン電話装置における標準電話機の増設方式

Publications (2)

Publication Number Publication Date
JPS5999897A JPS5999897A (ja) 1984-06-08
JPH0259676B2 true JPH0259676B2 (zh) 1990-12-13

Family

ID=16567678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20912482A Granted JPS5999897A (ja) 1982-11-29 1982-11-29 ボタン電話装置における標準電話機の増設方式

Country Status (1)

Country Link
JP (1) JPS5999897A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6392197A (ja) * 1986-10-07 1988-04-22 Tamura Electric Works Ltd ボタン電話装置
JPS63109692A (ja) * 1986-10-28 1988-05-14 Tamura Electric Works Ltd ボタン電話装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169463A (en) * 1980-05-30 1981-12-26 Toshiba Corp Connecting system for standard telephone set in button telephone device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169463A (en) * 1980-05-30 1981-12-26 Toshiba Corp Connecting system for standard telephone set in button telephone device

Also Published As

Publication number Publication date
JPS5999897A (ja) 1984-06-08

Similar Documents

Publication Publication Date Title
US4588861A (en) Telephone intercom system
JPH0158918B2 (zh)
JPH0259676B2 (zh)
JP2637087B2 (ja) 電話システム
JPS6328555B2 (zh)
JP2775756B2 (ja) 保留自動解除機能付き電話交換機
JP2738481B2 (ja) ナースコール装置
JP2637085B2 (ja) 電話システム
JP2637086B2 (ja) 電話システム
JP2575426B2 (ja) 電話システム
JP2731527B2 (ja) 電話交換システムの増設用子器
JP2804551B2 (ja) 家庭用簡易交換装置
JPH0537592Y2 (zh)
JPS6328556B2 (zh)
JP2947476B2 (ja) 電話交換システム
JP2793202B2 (ja) 電話機
JPS6328554B2 (zh)
JPH0731658Y2 (ja) 電話交換機
JP2642726B2 (ja) ハンドフリー通話装置
JPS63263994A (ja) 電話装置
JPH04192955A (ja) 家庭用簡易電話交換装置
JPS60239196A (ja) 構内交換装置
JPH0771160B2 (ja) 電話交換装置
JPH01297941A (ja) 電話装置
JPH05122329A (ja) 電話交換システム