JPS6223951B2 - - Google Patents

Info

Publication number
JPS6223951B2
JPS6223951B2 JP55074215A JP7421580A JPS6223951B2 JP S6223951 B2 JPS6223951 B2 JP S6223951B2 JP 55074215 A JP55074215 A JP 55074215A JP 7421580 A JP7421580 A JP 7421580A JP S6223951 B2 JPS6223951 B2 JP S6223951B2
Authority
JP
Japan
Prior art keywords
trunk
sub
terminals
capacitors
semiconductor switch
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
JP55074215A
Other languages
English (en)
Japanese (ja)
Other versions
JPS572189A (en
Inventor
Takashi Hasumi
Ryoichi Himeno
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.)
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry 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 Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7421580A priority Critical patent/JPS572189A/ja
Publication of JPS572189A publication Critical patent/JPS572189A/ja
Publication of JPS6223951B2 publication Critical patent/JPS6223951B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electronic Switches (AREA)
  • Interface Circuits In Exchanges (AREA)
JP7421580A 1980-06-04 1980-06-04 Trunk switching circuit Granted JPS572189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7421580A JPS572189A (en) 1980-06-04 1980-06-04 Trunk switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7421580A JPS572189A (en) 1980-06-04 1980-06-04 Trunk switching circuit

Publications (2)

Publication Number Publication Date
JPS572189A JPS572189A (en) 1982-01-07
JPS6223951B2 true JPS6223951B2 (enExample) 1987-05-26

Family

ID=13540743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7421580A Granted JPS572189A (en) 1980-06-04 1980-06-04 Trunk switching circuit

Country Status (1)

Country Link
JP (1) JPS572189A (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5267504A (en) * 1975-12-02 1977-06-04 Oki Electric Ind Co Ltd Speaking current supply and supervision system
JPS53137608A (en) * 1977-05-07 1978-12-01 Fujitsu Ltd Common use system of trunks for call waiting meeting communication

Also Published As

Publication number Publication date
JPS572189A (en) 1982-01-07

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