JPS521435A - A.c. load disconnection detecting device - Google Patents

A.c. load disconnection detecting device

Info

Publication number
JPS521435A
JPS521435A JP7670075A JP7670075A JPS521435A JP S521435 A JPS521435 A JP S521435A JP 7670075 A JP7670075 A JP 7670075A JP 7670075 A JP7670075 A JP 7670075A JP S521435 A JPS521435 A JP S521435A
Authority
JP
Japan
Prior art keywords
detecting device
disconnection detecting
load disconnection
load
phase
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.)
Pending
Application number
JP7670075A
Other languages
Japanese (ja)
Inventor
Haruo Nagai
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 JP7670075A priority Critical patent/JPS521435A/en
Publication of JPS521435A publication Critical patent/JPS521435A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: Detecting disconnection of A.C. load circuit to be phase-controlled with a voltage at the both ends of phase control element.
COPYRIGHT: (C)1977,JPO&Japio
JP7670075A 1975-06-24 1975-06-24 A.c. load disconnection detecting device Pending JPS521435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7670075A JPS521435A (en) 1975-06-24 1975-06-24 A.c. load disconnection detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7670075A JPS521435A (en) 1975-06-24 1975-06-24 A.c. load disconnection detecting device

Publications (1)

Publication Number Publication Date
JPS521435A true JPS521435A (en) 1977-01-07

Family

ID=13612768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7670075A Pending JPS521435A (en) 1975-06-24 1975-06-24 A.c. load disconnection detecting device

Country Status (1)

Country Link
JP (1) JPS521435A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630735A (en) * 1979-08-21 1981-03-27 Nec Corp Wire-bonding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630735A (en) * 1979-08-21 1981-03-27 Nec Corp Wire-bonding device
JPS6243336B2 (en) * 1979-08-21 1987-09-12 Nippon Electric Co

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