JPS51122742A - Input circuit for prothctive relay - Google Patents

Input circuit for prothctive relay

Info

Publication number
JPS51122742A
JPS51122742A JP50044287A JP4428775A JPS51122742A JP S51122742 A JPS51122742 A JP S51122742A JP 50044287 A JP50044287 A JP 50044287A JP 4428775 A JP4428775 A JP 4428775A JP S51122742 A JPS51122742 A JP S51122742A
Authority
JP
Japan
Prior art keywords
input circuit
relay
prothctive
disturbance
noise
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
JP50044287A
Other languages
Japanese (ja)
Inventor
Atsuhiro Yoshizaki
Shigeru Mori
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 JP50044287A priority Critical patent/JPS51122742A/en
Publication of JPS51122742A publication Critical patent/JPS51122742A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: A relay input circuit of high stability and performance without the disturbance of ac noise.
COPYRIGHT: (C)1976,JPO&Japio
JP50044287A 1975-04-14 1975-04-14 Input circuit for prothctive relay Pending JPS51122742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50044287A JPS51122742A (en) 1975-04-14 1975-04-14 Input circuit for prothctive relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50044287A JPS51122742A (en) 1975-04-14 1975-04-14 Input circuit for prothctive relay

Publications (1)

Publication Number Publication Date
JPS51122742A true JPS51122742A (en) 1976-10-27

Family

ID=12687278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50044287A Pending JPS51122742A (en) 1975-04-14 1975-04-14 Input circuit for prothctive relay

Country Status (1)

Country Link
JP (1) JPS51122742A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5594526A (en) * 1979-01-09 1980-07-18 Mitsubishi Electric Corp Distance relay

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124954A (en) * 1973-04-02 1974-11-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49124954A (en) * 1973-04-02 1974-11-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5594526A (en) * 1979-01-09 1980-07-18 Mitsubishi Electric Corp Distance relay

Similar Documents

Publication Publication Date Title
JPS51130156A (en) Frequency multiplier
JPS51122742A (en) Input circuit for prothctive relay
JPS51128249A (en) Dc-part regenerator
JPS51150135A (en) Microwave cooker
JPS5231352A (en) Static type 3 phase relay
JPS51111027A (en) N+1 stand-by test method
JPS5210056A (en) Quartz oscillator
JPS51131153A (en) Vertical blind
JPS5371063A (en) Preparation of 4-(1-9x9-2-isoindolinyl)acetophenone
JPS545339A (en) Digital input circuit
JPS5231351A (en) Static type 3 phase relay
JPS5312878A (en) Preparation of cyanopyrazinecarboxyamide and its preparation
JPS5211842A (en) Data processing equipment
JPS52153906A (en) 1-hexadecyne-6-one and its preparation
JPS537672A (en) 4-aminomethyl-5,6,7-trihydroxyisocoumarin
JPS52118487A (en) Isotentoxin and method of preparing the same
JPS51126659A (en) Equipment for preventing clane from overload
JPS5234658A (en) A-d converter
JPS51118053A (en) Digital type protective relay system
JPS5224453A (en) Frequency-voltage converter
JPS51142748A (en) Local cleaning device
JPS52127643A (en) High frequency heating equipment
JPS5314345A (en) Stability decision method of associated system
JPS51127768A (en) Synchronizing rectification circuit
JPS51113560A (en) Demodulation circuit