JPS547140A - Product operational realy - Google Patents

Product operational realy

Info

Publication number
JPS547140A
JPS547140A JP7104477A JP7104477A JPS547140A JP S547140 A JPS547140 A JP S547140A JP 7104477 A JP7104477 A JP 7104477A JP 7104477 A JP7104477 A JP 7104477A JP S547140 A JPS547140 A JP S547140A
Authority
JP
Japan
Prior art keywords
realy
product operational
product
operational
signal
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
JP7104477A
Other languages
Japanese (ja)
Other versions
JPS5855731B2 (en
Inventor
Eizaburo Sako
Hiroshi Sasaki
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 JP7104477A priority Critical patent/JPS5855731B2/en
Publication of JPS547140A publication Critical patent/JPS547140A/en
Publication of JPS5855731B2 publication Critical patent/JPS5855731B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To reduce time delay of operation by utilizing a product-operational relay comprising a circuit for multiplying a-c input signal, a low pass filter for and a level detector for the cut-off frequency over two times greater than the fundamental frequency of the a-c signal.
COPYRIGHT: (C)1979,JPO&Japio
JP7104477A 1977-06-17 1977-06-17 Product type relay Expired JPS5855731B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7104477A JPS5855731B2 (en) 1977-06-17 1977-06-17 Product type relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7104477A JPS5855731B2 (en) 1977-06-17 1977-06-17 Product type relay

Publications (2)

Publication Number Publication Date
JPS547140A true JPS547140A (en) 1979-01-19
JPS5855731B2 JPS5855731B2 (en) 1983-12-12

Family

ID=13449118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7104477A Expired JPS5855731B2 (en) 1977-06-17 1977-06-17 Product type relay

Country Status (1)

Country Link
JP (1) JPS5855731B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5934227A (en) * 1982-08-19 1984-02-24 松下電器産業株式会社 Bevarage maker

Also Published As

Publication number Publication date
JPS5855731B2 (en) 1983-12-12

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