JPS6154754A - 電話交換装置 - Google Patents

電話交換装置

Info

Publication number
JPS6154754A
JPS6154754A JP59175943A JP17594384A JPS6154754A JP S6154754 A JPS6154754 A JP S6154754A JP 59175943 A JP59175943 A JP 59175943A JP 17594384 A JP17594384 A JP 17594384A JP S6154754 A JPS6154754 A JP S6154754A
Authority
JP
Japan
Prior art keywords
telephone
call
voltage
incoming
state
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
JP59175943A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0253998B2 (enrdf_load_stackoverflow
Inventor
Nobuo Matoba
的場　信夫
Hisanori Suzuki
鈴木　寿典
Shohei Uchino
内野　昌平
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59175943A priority Critical patent/JPS6154754A/ja
Publication of JPS6154754A publication Critical patent/JPS6154754A/ja
Publication of JPH0253998B2 publication Critical patent/JPH0253998B2/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)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP59175943A 1984-08-24 1984-08-24 電話交換装置 Granted JPS6154754A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59175943A JPS6154754A (ja) 1984-08-24 1984-08-24 電話交換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59175943A JPS6154754A (ja) 1984-08-24 1984-08-24 電話交換装置

Publications (2)

Publication Number Publication Date
JPS6154754A true JPS6154754A (ja) 1986-03-19
JPH0253998B2 JPH0253998B2 (enrdf_load_stackoverflow) 1990-11-20

Family

ID=16004966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59175943A Granted JPS6154754A (ja) 1984-08-24 1984-08-24 電話交換装置

Country Status (1)

Country Link
JP (1) JPS6154754A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57168567A (en) * 1981-04-10 1982-10-16 Hitachi Ltd Electric power feeding system
JPS5937758A (ja) * 1982-08-26 1984-03-01 Hitoshi Ito 増幅回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57168567A (en) * 1981-04-10 1982-10-16 Hitachi Ltd Electric power feeding system
JPS5937758A (ja) * 1982-08-26 1984-03-01 Hitoshi Ito 増幅回路

Also Published As

Publication number Publication date
JPH0253998B2 (enrdf_load_stackoverflow) 1990-11-20

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