JPH0376638B2 - - Google Patents

Info

Publication number
JPH0376638B2
JPH0376638B2 JP451785A JP451785A JPH0376638B2 JP H0376638 B2 JPH0376638 B2 JP H0376638B2 JP 451785 A JP451785 A JP 451785A JP 451785 A JP451785 A JP 451785A JP H0376638 B2 JPH0376638 B2 JP H0376638B2
Authority
JP
Japan
Prior art keywords
power
power outage
line
hereinafter referred
button
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
Application number
JP451785A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61163797A (ja
Inventor
Hajime Morya
Noboru Nashiki
Minoru Mashiba
Yasuo Okajima
Hiroo Saito
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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/002Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/18Automatic 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 JPS61163797A (ja) 1986-07-24
JPH0376638B2 true 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)

Families Citing this family (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
JPS61163797A (ja) 1986-07-24

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