JPH0447273B2 - - Google Patents

Info

Publication number
JPH0447273B2
JPH0447273B2 JP57227825A JP22782582A JPH0447273B2 JP H0447273 B2 JPH0447273 B2 JP H0447273B2 JP 57227825 A JP57227825 A JP 57227825A JP 22782582 A JP22782582 A JP 22782582A JP H0447273 B2 JPH0447273 B2 JP H0447273B2
Authority
JP
Japan
Prior art keywords
value
alternating current
signal
frequency
current 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.)
Expired - Lifetime
Application number
JP57227825A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58135970A (ja
Inventor
Henrii Boitonaa Furetsudo
Heinzu Uookaa Rooren
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of JPS58135970A publication Critical patent/JPS58135970A/ja
Publication of JPH0447273B2 publication Critical patent/JPH0447273B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
JP57227825A 1981-12-29 1982-12-28 交流信号の周波数測定方法および装置 Granted JPS58135970A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US335377 1981-12-29
US06/335,377 US4454470A (en) 1981-12-29 1981-12-29 Method and apparatus for frequency measurement of an alternating current signal

Publications (2)

Publication Number Publication Date
JPS58135970A JPS58135970A (ja) 1983-08-12
JPH0447273B2 true JPH0447273B2 (en, 2012) 1992-08-03

Family

ID=23311525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57227825A Granted JPS58135970A (ja) 1981-12-29 1982-12-28 交流信号の周波数測定方法および装置

Country Status (2)

Country Link
US (1) US4454470A (en, 2012)
JP (1) JPS58135970A (en, 2012)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609990A (en) * 1984-08-06 1986-09-02 General Electric Company Frequency measurement system
US4600874A (en) * 1985-01-26 1986-07-15 General Electric Company Excitation current control for induction motor drive using load commutated inverter circuit
US4740744A (en) * 1985-09-18 1988-04-26 Lp Com Digital signal processing apparatus for analog signals having wide frequency and dynamic ranges
US5095264A (en) * 1990-09-12 1992-03-10 Sundstrand Data Control, Inc. Frequency counter and method of counting frequency of a signal to minimize effects of duty cycle modulation
US5097490A (en) * 1991-01-14 1992-03-17 Sundstrand Data Control, Inc. Apparatus and method for improving the resolution with which a test signal is counted
DE102010046880A1 (de) * 2010-09-29 2012-03-29 Phoenix Contact Gmbh & Co. Kg Verfahren und Anordnung zur Frequenzbestimmung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553728A (en) * 1968-05-20 1971-01-05 Gen Radio Co Frequency measuring apparatus with automatic adjustment of measurement interval for enhanced speed and accuracy
US3590277A (en) * 1969-05-07 1971-06-29 Westinghouse Electric Corp Fast response frequency and wave shape measuring circuit
US3803486A (en) * 1970-12-23 1974-04-09 Atomic Energy Authority Uk Frequency responsive apparatus
JPS52123670A (en) * 1976-04-09 1977-10-18 Takeda Riken Ind Co Ltd Digital frequency measuring device
JPS5430077A (en) * 1977-08-10 1979-03-06 Hitachi Ltd Frequency-voltage converter
DE2914072C2 (de) * 1979-04-07 1985-06-20 Kernforschungsanlage Jülich GmbH, 5170 Jülich Schaltungsanordnung zur Ermittlung der Periodendauer und/oder davon abgeleiteten Größen eines im wesentlichen periodischen Signals
US4363099A (en) * 1980-03-13 1982-12-07 Hydro-Quebec Method and system for measuring frequency deviation of low frequency signals

Also Published As

Publication number Publication date
US4454470A (en) 1984-06-12
JPS58135970A (ja) 1983-08-12

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