JPS583493A - 電話装置の制御方式 - Google Patents

電話装置の制御方式

Info

Publication number
JPS583493A
JPS583493A JP10165581A JP10165581A JPS583493A JP S583493 A JPS583493 A JP S583493A JP 10165581 A JP10165581 A JP 10165581A JP 10165581 A JP10165581 A JP 10165581A JP S583493 A JPS583493 A JP S583493A
Authority
JP
Japan
Prior art keywords
circuit
power supply
telephone
main device
control
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
JP10165581A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0429278B2 (enExample
Inventor
Takeo Oba
大場　武男
Satoru Ono
哲 小野
Masaru Kudo
賢 工藤
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
NTT Inc
Original Assignee
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki KK
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 Iwatsu Electric Co Ltd, Nippon Telegraph and Telephone Corp, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP10165581A priority Critical patent/JPS583493A/ja
Publication of JPS583493A publication Critical patent/JPS583493A/ja
Publication of JPH0429278B2 publication Critical patent/JPH0429278B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP10165581A 1981-06-30 1981-06-30 電話装置の制御方式 Granted JPS583493A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10165581A JPS583493A (ja) 1981-06-30 1981-06-30 電話装置の制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10165581A JPS583493A (ja) 1981-06-30 1981-06-30 電話装置の制御方式

Publications (2)

Publication Number Publication Date
JPS583493A true JPS583493A (ja) 1983-01-10
JPH0429278B2 JPH0429278B2 (enExample) 1992-05-18

Family

ID=14306393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10165581A Granted JPS583493A (ja) 1981-06-30 1981-06-30 電話装置の制御方式

Country Status (1)

Country Link
JP (1) JPS583493A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163887U (ja) * 1984-04-10 1985-10-31 株式会社田村電機製作所 ボタン電話装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163887U (ja) * 1984-04-10 1985-10-31 株式会社田村電機製作所 ボタン電話装置

Also Published As

Publication number Publication date
JPH0429278B2 (enExample) 1992-05-18

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