JPH0312515B2 - - Google Patents

Info

Publication number
JPH0312515B2
JPH0312515B2 JP14702086A JP14702086A JPH0312515B2 JP H0312515 B2 JPH0312515 B2 JP H0312515B2 JP 14702086 A JP14702086 A JP 14702086A JP 14702086 A JP14702086 A JP 14702086A JP H0312515 B2 JPH0312515 B2 JP H0312515B2
Authority
JP
Japan
Prior art keywords
call
outside line
loop
incoming
photocoupler
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
JP14702086A
Other languages
English (en)
Japanese (ja)
Other versions
JPS634793A (ja
Inventor
Yoshitada Kuwabara
Takayuki Kato
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei Electric 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP14702086A priority Critical patent/JPS634793A/ja
Publication of JPS634793A publication Critical patent/JPS634793A/ja
Publication of JPH0312515B2 publication Critical patent/JPH0312515B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP14702086A 1986-06-25 1986-06-25 発着信衝突検出方式 Granted JPS634793A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14702086A JPS634793A (ja) 1986-06-25 1986-06-25 発着信衝突検出方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14702086A JPS634793A (ja) 1986-06-25 1986-06-25 発着信衝突検出方式

Publications (2)

Publication Number Publication Date
JPS634793A JPS634793A (ja) 1988-01-09
JPH0312515B2 true JPH0312515B2 (pm) 1991-02-20

Family

ID=15420729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14702086A Granted JPS634793A (ja) 1986-06-25 1986-06-25 発着信衝突検出方式

Country Status (1)

Country Link
JP (1) JPS634793A (pm)

Also Published As

Publication number Publication date
JPS634793A (ja) 1988-01-09

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