JPS61163797A - ボタン電話装置 - Google Patents

ボタン電話装置

Info

Publication number
JPS61163797A
JPS61163797A JP451785A JP451785A JPS61163797A JP S61163797 A JPS61163797 A JP S61163797A JP 451785 A JP451785 A JP 451785A JP 451785 A JP451785 A JP 451785A JP S61163797 A JPS61163797 A JP S61163797A
Authority
JP
Japan
Prior art keywords
power
key telephone
power outage
button
telephone set
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
JP451785A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0376638B2 (enExample
Inventor
Hajime Moriya
守屋　初
Noboru Nashiki
登 梨木
Minoru Mashiba
真柴　実
Yasuo Okajima
岡島　康夫
Hiroo Saito
斉藤　博夫
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 JP451785A priority Critical patent/JPS61163797A/ja
Publication of JPS61163797A publication Critical patent/JPS61163797A/ja
Publication of JPH0376638B2 publication Critical patent/JPH0376638B2/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
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP451785A 1985-01-14 1985-01-14 ボタン電話装置 Granted JPS61163797A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP451785A JPS61163797A (ja) 1985-01-14 1985-01-14 ボタン電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP451785A JPS61163797A (ja) 1985-01-14 1985-01-14 ボタン電話装置

Publications (2)

Publication Number Publication Date
JPS61163797A true JPS61163797A (ja) 1986-07-24
JPH0376638B2 JPH0376638B2 (enExample) 1991-12-06

Family

ID=11586242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP451785A Granted JPS61163797A (ja) 1985-01-14 1985-01-14 ボタン電話装置

Country Status (1)

Country Link
JP (1) JPS61163797A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647898A (en) * 1987-06-30 1989-01-11 Toshiba Corp Communication terminal equipment
JP2014022887A (ja) * 2012-07-17 2014-02-03 Nakayo Telecommun Inc 停電時に限定的な給電機能を有する電話システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647898A (en) * 1987-06-30 1989-01-11 Toshiba Corp Communication terminal equipment
JP2014022887A (ja) * 2012-07-17 2014-02-03 Nakayo Telecommun Inc 停電時に限定的な給電機能を有する電話システム

Also Published As

Publication number Publication date
JPH0376638B2 (enExample) 1991-12-06

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