JPS6214149B2 - - Google Patents

Info

Publication number
JPS6214149B2
JPS6214149B2 JP55173766A JP17376680A JPS6214149B2 JP S6214149 B2 JPS6214149 B2 JP S6214149B2 JP 55173766 A JP55173766 A JP 55173766A JP 17376680 A JP17376680 A JP 17376680A JP S6214149 B2 JPS6214149 B2 JP S6214149B2
Authority
JP
Japan
Prior art keywords
voltage
telephone line
switch
state
subscriber telephone
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
JP55173766A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5797762A (en
Inventor
Kuniaki Okada
Kyoichi Nakakawara
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.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone 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 Toshiba Corp, Nippon Telegraph and Telephone Corp filed Critical Toshiba Corp
Priority to JP17376680A priority Critical patent/JPS5797762A/ja
Publication of JPS5797762A publication Critical patent/JPS5797762A/ja
Publication of JPS6214149B2 publication Critical patent/JPS6214149B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP17376680A 1980-12-11 1980-12-11 Analogue switch circuit Granted JPS5797762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17376680A JPS5797762A (en) 1980-12-11 1980-12-11 Analogue switch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17376680A JPS5797762A (en) 1980-12-11 1980-12-11 Analogue switch circuit

Publications (2)

Publication Number Publication Date
JPS5797762A JPS5797762A (en) 1982-06-17
JPS6214149B2 true JPS6214149B2 (enrdf_load_stackoverflow) 1987-03-31

Family

ID=15966741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17376680A Granted JPS5797762A (en) 1980-12-11 1980-12-11 Analogue switch circuit

Country Status (1)

Country Link
JP (1) JPS5797762A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60107968A (ja) * 1983-11-17 1985-06-13 Nippon Telegr & Teleph Corp <Ntt> アナログスイッチ回路を備えた端末装置
JPS60107967A (ja) * 1983-11-17 1985-06-13 Nippon Telegr & Teleph Corp <Ntt> アナログスイッチ回路
JPS60224366A (ja) * 1984-04-23 1985-11-08 Nec Corp 網制御装置の線路判定回路
JPS6160057A (ja) * 1984-08-31 1986-03-27 Clarion Co Ltd 信号伝送制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56157166A (en) * 1980-05-08 1981-12-04 Nec Corp Start deciding circuit of network control device

Also Published As

Publication number Publication date
JPS5797762A (en) 1982-06-17

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