JPH046913B2 - - Google Patents

Info

Publication number
JPH046913B2
JPH046913B2 JP58052374A JP5237483A JPH046913B2 JP H046913 B2 JPH046913 B2 JP H046913B2 JP 58052374 A JP58052374 A JP 58052374A JP 5237483 A JP5237483 A JP 5237483A JP H046913 B2 JPH046913 B2 JP H046913B2
Authority
JP
Japan
Prior art keywords
phase
circuit
relay
photocoupler
light emitting
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
JP58052374A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59178370A (ja
Inventor
Takashi 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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5237483A priority Critical patent/JPS59178370A/ja
Publication of JPS59178370A publication Critical patent/JPS59178370A/ja
Publication of JPH046913B2 publication Critical patent/JPH046913B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP5237483A 1983-03-30 1983-03-30 三相の相回転検出回路 Granted JPS59178370A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5237483A JPS59178370A (ja) 1983-03-30 1983-03-30 三相の相回転検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5237483A JPS59178370A (ja) 1983-03-30 1983-03-30 三相の相回転検出回路

Publications (2)

Publication Number Publication Date
JPS59178370A JPS59178370A (ja) 1984-10-09
JPH046913B2 true JPH046913B2 (enExample) 1992-02-07

Family

ID=12913028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5237483A Granted JPS59178370A (ja) 1983-03-30 1983-03-30 三相の相回転検出回路

Country Status (1)

Country Link
JP (1) JPS59178370A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202133722U (zh) 2007-11-13 2012-02-01 艾默生环境优化技术有限公司 三相检测模块

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5597576U (enExample) * 1978-12-27 1980-07-07

Also Published As

Publication number Publication date
JPS59178370A (ja) 1984-10-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term