JPS62241494A - 極性反転検出回路 - Google Patents

極性反転検出回路

Info

Publication number
JPS62241494A
JPS62241494A JP5957886A JP5957886A JPS62241494A JP S62241494 A JPS62241494 A JP S62241494A JP 5957886 A JP5957886 A JP 5957886A JP 5957886 A JP5957886 A JP 5957886A JP S62241494 A JPS62241494 A JP S62241494A
Authority
JP
Japan
Prior art keywords
circuit
photocoupler
loop
series
detection
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
JP5957886A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0350479B2 (enExample
Inventor
Masaya Kuwano
桑野　雅也
Hiroshi Wakabayashi
若林　寛
Yoshihiro Kawada
川田　義広
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP5957886A priority Critical patent/JPS62241494A/ja
Publication of JPS62241494A publication Critical patent/JPS62241494A/ja
Publication of JPH0350479B2 publication Critical patent/JPH0350479B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
JP5957886A 1986-03-19 1986-03-19 極性反転検出回路 Granted JPS62241494A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5957886A JPS62241494A (ja) 1986-03-19 1986-03-19 極性反転検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5957886A JPS62241494A (ja) 1986-03-19 1986-03-19 極性反転検出回路

Publications (2)

Publication Number Publication Date
JPS62241494A true JPS62241494A (ja) 1987-10-22
JPH0350479B2 JPH0350479B2 (enExample) 1991-08-01

Family

ID=13117251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5957886A Granted JPS62241494A (ja) 1986-03-19 1986-03-19 極性反転検出回路

Country Status (1)

Country Link
JP (1) JPS62241494A (enExample)

Also Published As

Publication number Publication date
JPH0350479B2 (enExample) 1991-08-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees