JPS5877668A - 電源周波数比較回路 - Google Patents

電源周波数比較回路

Info

Publication number
JPS5877668A
JPS5877668A JP17691681A JP17691681A JPS5877668A JP S5877668 A JPS5877668 A JP S5877668A JP 17691681 A JP17691681 A JP 17691681A JP 17691681 A JP17691681 A JP 17691681A JP S5877668 A JPS5877668 A JP S5877668A
Authority
JP
Japan
Prior art keywords
power supply
terminal
frequency
pulse
retriggerable
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
JP17691681A
Other languages
English (en)
Japanese (ja)
Other versions
JPH044553B2 (enrdf_load_stackoverflow
Inventor
Hiroyuki Yashima
八嶋　弘幸
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical Co 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP17691681A priority Critical patent/JPS5877668A/ja
Priority to DE8282109915T priority patent/DE3268706D1/de
Priority to AT82109915T priority patent/ATE17623T1/de
Priority to EP19820109915 priority patent/EP0078497B1/en
Priority to US06/437,370 priority patent/US4463269A/en
Publication of JPS5877668A publication Critical patent/JPS5877668A/ja
Publication of JPH044553B2 publication Critical patent/JPH044553B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
JP17691681A 1981-11-02 1981-11-04 電源周波数比較回路 Granted JPS5877668A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP17691681A JPS5877668A (ja) 1981-11-04 1981-11-04 電源周波数比較回路
DE8282109915T DE3268706D1 (en) 1981-11-02 1982-10-27 Pump drive circuit
AT82109915T ATE17623T1 (de) 1981-11-02 1982-10-27 Steuerschaltung fuer eine pumpe.
EP19820109915 EP0078497B1 (en) 1981-11-02 1982-10-27 Pump drive circuit
US06/437,370 US4463269A (en) 1981-11-02 1982-10-28 Pump drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17691681A JPS5877668A (ja) 1981-11-04 1981-11-04 電源周波数比較回路

Publications (2)

Publication Number Publication Date
JPS5877668A true JPS5877668A (ja) 1983-05-11
JPH044553B2 JPH044553B2 (enrdf_load_stackoverflow) 1992-01-28

Family

ID=16021997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17691681A Granted JPS5877668A (ja) 1981-11-02 1981-11-04 電源周波数比較回路

Country Status (1)

Country Link
JP (1) JPS5877668A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156885U (enrdf_load_stackoverflow) * 1986-03-26 1987-10-05
JPH04136492U (ja) * 1991-05-30 1992-12-18 株式会社佐竹製作所 循環式穀物乾燥機の排出バルブ制御装置
JP2005055396A (ja) * 2003-08-07 2005-03-03 Shimadzu Corp 電源周波数判別装置、該装置を含む温調装置、及び分析装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531063A (en) * 1976-06-02 1978-01-07 Hitachi Ltd Periodic fluctuation detector of continuous pulse

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531063A (en) * 1976-06-02 1978-01-07 Hitachi Ltd Periodic fluctuation detector of continuous pulse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156885U (enrdf_load_stackoverflow) * 1986-03-26 1987-10-05
JPH04136492U (ja) * 1991-05-30 1992-12-18 株式会社佐竹製作所 循環式穀物乾燥機の排出バルブ制御装置
JP2005055396A (ja) * 2003-08-07 2005-03-03 Shimadzu Corp 電源周波数判別装置、該装置を含む温調装置、及び分析装置

Also Published As

Publication number Publication date
JPH044553B2 (enrdf_load_stackoverflow) 1992-01-28

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