JPH079477Y2 - 送受話回路用切り替え回路 - Google Patents

送受話回路用切り替え回路

Info

Publication number
JPH079477Y2
JPH079477Y2 JP15071888U JP15071888U JPH079477Y2 JP H079477 Y2 JPH079477 Y2 JP H079477Y2 JP 15071888 U JP15071888 U JP 15071888U JP 15071888 U JP15071888 U JP 15071888U JP H079477 Y2 JPH079477 Y2 JP H079477Y2
Authority
JP
Japan
Prior art keywords
transmitter
circuit
relay
terminal
switching circuit
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 - Lifetime
Application number
JP15071888U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0272059U (cs
Inventor
重雄 近井
始 中沢
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
Original Assignee
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP15071888U priority Critical patent/JPH079477Y2/ja
Publication of JPH0272059U publication Critical patent/JPH0272059U/ja
Application granted granted Critical
Publication of JPH079477Y2 publication Critical patent/JPH079477Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Prepayment Telephone Systems (AREA)
JP15071888U 1988-11-21 1988-11-21 送受話回路用切り替え回路 Expired - Lifetime JPH079477Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15071888U JPH079477Y2 (ja) 1988-11-21 1988-11-21 送受話回路用切り替え回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15071888U JPH079477Y2 (ja) 1988-11-21 1988-11-21 送受話回路用切り替え回路

Publications (2)

Publication Number Publication Date
JPH0272059U JPH0272059U (cs) 1990-06-01
JPH079477Y2 true JPH079477Y2 (ja) 1995-03-06

Family

ID=31424111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15071888U Expired - Lifetime JPH079477Y2 (ja) 1988-11-21 1988-11-21 送受話回路用切り替え回路

Country Status (1)

Country Link
JP (1) JPH079477Y2 (cs)

Also Published As

Publication number Publication date
JPH0272059U (cs) 1990-06-01

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