JPS541069A - Automatic judgement apparatus of frequencies - Google Patents

Automatic judgement apparatus of frequencies

Info

Publication number
JPS541069A
JPS541069A JP6611777A JP6611777A JPS541069A JP S541069 A JPS541069 A JP S541069A JP 6611777 A JP6611777 A JP 6611777A JP 6611777 A JP6611777 A JP 6611777A JP S541069 A JPS541069 A JP S541069A
Authority
JP
Japan
Prior art keywords
frequencies
voltage
automatic judgement
judgement apparatus
power source
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
JP6611777A
Other languages
Japanese (ja)
Inventor
Akira Nagano
Isamu Ishida
Kazuaki Urasaki
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP6611777A priority Critical patent/JPS541069A/en
Publication of JPS541069A publication Critical patent/JPS541069A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To cut the voltage above a fixed voltage by rectifying an a.c. power source, charge a time constant circuit with the rectified voltage thereof and enable the supply frequency to be automatically judged according to turning on of the power source from the level of the discharge voltage thereof.
COPYRIGHT: (C)1979,JPO&Japio
JP6611777A 1977-06-03 1977-06-03 Automatic judgement apparatus of frequencies Pending JPS541069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6611777A JPS541069A (en) 1977-06-03 1977-06-03 Automatic judgement apparatus of frequencies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6611777A JPS541069A (en) 1977-06-03 1977-06-03 Automatic judgement apparatus of frequencies

Publications (1)

Publication Number Publication Date
JPS541069A true JPS541069A (en) 1979-01-06

Family

ID=13306608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6611777A Pending JPS541069A (en) 1977-06-03 1977-06-03 Automatic judgement apparatus of frequencies

Country Status (1)

Country Link
JP (1) JPS541069A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164952A (en) * 1980-05-23 1981-12-18 Nippon Steel Corp Transmitting and receiving method for ultrasonic wave by laser beam
JPH0523920B2 (en) * 1989-09-08 1993-04-06 Ikeshin Fuoomu Kk

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164952A (en) * 1980-05-23 1981-12-18 Nippon Steel Corp Transmitting and receiving method for ultrasonic wave by laser beam
JPS6243497B2 (en) * 1980-05-23 1987-09-14 Nippon Steel Corp
JPH0523920B2 (en) * 1989-09-08 1993-04-06 Ikeshin Fuoomu Kk

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