JPS5847362A - 通話路の切替制御回路 - Google Patents

通話路の切替制御回路

Info

Publication number
JPS5847362A
JPS5847362A JP14575481A JP14575481A JPS5847362A JP S5847362 A JPS5847362 A JP S5847362A JP 14575481 A JP14575481 A JP 14575481A JP 14575481 A JP14575481 A JP 14575481A JP S5847362 A JPS5847362 A JP S5847362A
Authority
JP
Japan
Prior art keywords
relay
switching
line
main device
extension
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
JP14575481A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0123038B2 (en:Method
Inventor
Michiaki Iwanami
岩波　道昭
Masaru Kudo
賢 工藤
Masato Araki
荒木　誠人
Setsuo Oshima
大島　節雄
Mamoru Sasaki
守 佐々木
Juichi Tanabe
田辺　重一
Shingo Tanaka
信吾 田中
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.)
HASEGAWA DENKI SEISAKUSHO KK
NAKAYO TSUSHINKI KK
Meisei Electric Co Ltd
NEC Platforms Ltd
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
Taiko Electric Works Ltd
Nakayo Telecommunications Inc
Iwasaki Tsushinki KK
Original Assignee
HASEGAWA DENKI SEISAKUSHO KK
NAKAYO TSUSHINKI KK
Meisei Electric Co Ltd
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
Taiko Electric Works Ltd
Nakayo Telecommunications Inc
Iwasaki Tsushinki KK
Nitsuko Corp
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 HASEGAWA DENKI SEISAKUSHO KK, NAKAYO TSUSHINKI KK, Meisei Electric Co Ltd, Iwatsu Electric Co Ltd, Nippon Telegraph and Telephone Corp, Taiko Electric Works Ltd, Nakayo Telecommunications Inc, Iwasaki Tsushinki KK, Nitsuko Corp filed Critical HASEGAWA DENKI SEISAKUSHO KK
Priority to JP14575481A priority Critical patent/JPS5847362A/ja
Publication of JPS5847362A publication Critical patent/JPS5847362A/ja
Publication of JPH0123038B2 publication Critical patent/JPH0123038B2/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
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP14575481A 1981-09-16 1981-09-16 通話路の切替制御回路 Granted JPS5847362A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14575481A JPS5847362A (ja) 1981-09-16 1981-09-16 通話路の切替制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14575481A JPS5847362A (ja) 1981-09-16 1981-09-16 通話路の切替制御回路

Publications (2)

Publication Number Publication Date
JPS5847362A true JPS5847362A (ja) 1983-03-19
JPH0123038B2 JPH0123038B2 (en:Method) 1989-04-28

Family

ID=15392377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14575481A Granted JPS5847362A (ja) 1981-09-16 1981-09-16 通話路の切替制御回路

Country Status (1)

Country Link
JP (1) JPS5847362A (en:Method)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155410U (en:Method) * 1978-04-20 1979-10-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155410U (en:Method) * 1978-04-20 1979-10-29

Also Published As

Publication number Publication date
JPH0123038B2 (en:Method) 1989-04-28

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