JPS538043A - Circuit for detecting frequency error by dc voltage - Google Patents

Circuit for detecting frequency error by dc voltage

Info

Publication number
JPS538043A
JPS538043A JP6658477A JP6658477A JPS538043A JP S538043 A JPS538043 A JP S538043A JP 6658477 A JP6658477 A JP 6658477A JP 6658477 A JP6658477 A JP 6658477A JP S538043 A JPS538043 A JP S538043A
Authority
JP
Japan
Prior art keywords
voltage
circuit
frequency error
detecting frequency
detecting
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
JP6658477A
Other languages
English (en)
Other versions
JPS5925495B2 (ja
Inventor
Aaru Kuritsutenden Baanaado
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.)
Woodward Inc
Original Assignee
Woodward Governor 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 Woodward Governor Co filed Critical Woodward Governor Co
Publication of JPS538043A publication Critical patent/JPS538043A/ja
Publication of JPS5925495B2 publication Critical patent/JPS5925495B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/16—Controlling the angular speed of one shaft

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Manipulation Of Pulses (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
JP52066584A 1976-06-10 1977-06-06 直流電圧による周波数誤差検出回路 Expired JPS5925495B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/694,770 US4052676A (en) 1976-06-10 1976-06-10 Digital-analog frequency error signaling
US000000694770 1976-06-10

Publications (2)

Publication Number Publication Date
JPS538043A true JPS538043A (en) 1978-01-25
JPS5925495B2 JPS5925495B2 (ja) 1984-06-18

Family

ID=24790201

Family Applications (2)

Application Number Title Priority Date Filing Date
JP52066584A Expired JPS5925495B2 (ja) 1976-06-10 1977-06-06 直流電圧による周波数誤差検出回路
JP57234943A Pending JPS58112109A (ja) 1976-06-10 1982-12-24 直流電圧による周波数誤差検出回路

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP57234943A Pending JPS58112109A (ja) 1976-06-10 1982-12-24 直流電圧による周波数誤差検出回路

Country Status (4)

Country Link
US (1) US4052676A (ja)
JP (2) JPS5925495B2 (ja)
CA (1) CA1065017A (ja)
FR (2) FR2371727A1 (ja)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109164A (en) * 1977-02-28 1978-08-22 Chrysler Corporation Circuitry for generating ramp type signals
GB1579708A (en) * 1977-03-09 1980-11-19 Marconi Co Ltd Control circuits
JPS53149076A (en) * 1977-06-01 1978-12-26 Sony Corp Digital frequency detecting circuit
US4128774A (en) * 1977-06-20 1978-12-05 The United States Of America As Represented By The Secretary Of The Navy N cycle gated periodic waveform generator
JPS6211089Y2 (ja) * 1978-01-30 1987-03-16
DE2809315B2 (de) * 1978-03-03 1980-01-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Digitaler Frequenzdiskriminator
US4195264A (en) * 1978-04-26 1980-03-25 Gte Sylvania Incorporated Noise detection circuit
JPS5838750B2 (ja) * 1978-05-23 1983-08-25 富士通株式会社 周期比較回路
US4330752A (en) * 1979-05-14 1982-05-18 Optimetrix Corporation Position control circuit
DE3006599C2 (de) * 1980-02-22 1986-09-11 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Erkennung einer Überschreitung einer vorgebbaren Abweichung der Frequenz eines Gebersignals von einer Sollfrequenz
US4374361A (en) * 1980-12-29 1983-02-15 Gte Automatic Electric Labs Inc. Clock failure monitor circuit employing counter pair to indicate clock failure within two pulses
US4379993A (en) * 1980-12-29 1983-04-12 Gte Automatic Electric Labs Inc. Pulse failure monitor circuit employing selectable frequency reference clock and counter pair to vary time period of pulse failure indication
US4442406A (en) * 1981-09-29 1984-04-10 Diversified Electronics, Inc. Frequency monitor with adjustable tolerance
JPS59147532A (ja) * 1983-02-14 1984-08-23 Hitachi Ltd 検波回路
JPS6097183A (ja) 1983-10-28 1985-05-30 三菱電機株式会社 エレベ−タの速度検出装置
US4541105A (en) * 1984-03-23 1985-09-10 Sundstrand Data Control, Inc. Counting apparatus and method for frequency sampling
JPH0727040B2 (ja) * 1986-03-05 1995-03-29 富士電機株式会社 時間測定装置
US4680516A (en) * 1986-05-30 1987-07-14 Guzik Technical Enterprises Motor speed control system
US4823366A (en) * 1987-02-17 1989-04-18 White Consolidated Industries, Inc. Material conveying equipment with control for paving materials using ultrasonic waves
DE3826107A1 (de) * 1988-08-01 1990-02-08 Diehl Gmbh & Co Digital arbeitendes elektronisches geraet
JPH0292012A (ja) * 1988-09-29 1990-03-30 Toshiba Corp パルス発生回路
JPH02239719A (ja) * 1989-03-13 1990-09-21 Omron Tateisi Electron Co タイマ回路
US5056123A (en) * 1989-11-03 1991-10-08 Sundstrand Corporation Frequency counter with round off function
US5281861A (en) * 1989-11-30 1994-01-25 Compaq Computer Corporation Sine wave clock distribution with high voltage output
DE59707589D1 (de) * 1996-08-19 2002-08-01 Sirona Dental Systems Gmbh Einrichtung zur präzisen Verstellung eines beweglich angeordneten Gerätes mittels eines elektromotorischen Antriebs
US6282071B1 (en) 1999-11-08 2001-08-28 Thomson Licensing, S.A. Frequency dependent X-ray protection for a multimedia monitor
GB202015555D0 (en) * 2020-10-01 2020-11-18 Thermo Fisher Scient Bremen Gmbh Determining the average frequency of a series of pulses

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110552A (ja) * 1974-02-07 1975-08-30
JPS50120241A (ja) * 1974-03-06 1975-09-20

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050708A (en) * 1956-05-08 1962-08-21 Gilfillan Bros Inc Time reference generator
FR1410883A (fr) * 1963-10-10 1965-09-10 Thomson Houston Comp Francaise Perfectionnements aux comparateurs de largeur d'impulsions
US3509476A (en) * 1965-10-12 1970-04-28 Gen Dynamics Corp Digital frequency and/or phase measuring system having wide dynamic range
US3521174A (en) * 1967-03-23 1970-07-21 Us Navy Frequency sensitive control circuit
US3663884A (en) * 1969-10-24 1972-05-16 Westinghouse Electric Corp Frequency difference detector
US3624518A (en) * 1970-03-24 1971-11-30 Us Navy Single pulse switch circuit
US3854472A (en) * 1970-10-28 1974-12-17 Electro Sciences For Medicine Pulse comparator
US3714463A (en) * 1971-01-04 1973-01-30 Motorola Inc Digital frequency and/or phase detector charge pump
US3868845A (en) * 1971-01-20 1975-03-04 Citizen Watch Co Ltd Apparatus for measuring a difference in time intervals of a timepiece
US3728624A (en) * 1972-02-25 1973-04-17 Cit Alcatel Phase meter for comparing rectangular waves
DE2225219C3 (de) * 1972-05-24 1979-01-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Impulsgenerator
US3805167A (en) * 1972-06-27 1974-04-16 Telex Corp Digital pulse generator with automatic duty cycle control
US3936745A (en) * 1974-11-12 1976-02-03 Mdh Industries, Inc. Method of measuring the duration of a discontinuous signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110552A (ja) * 1974-02-07 1975-08-30
JPS50120241A (ja) * 1974-03-06 1975-09-20

Also Published As

Publication number Publication date
JPS5925495B2 (ja) 1984-06-18
FR2371720A1 (fr) 1978-06-16
FR2371727A1 (fr) 1978-06-16
FR2371727B1 (ja) 1981-08-21
JPS58112109A (ja) 1983-07-04
FR2371720B1 (ja) 1982-12-03
CA1065017A (en) 1979-10-23
US4052676A (en) 1977-10-04

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