JPS5692607A - Frequency discriminating circuit - Google Patents

Frequency discriminating circuit

Info

Publication number
JPS5692607A
JPS5692607A JP16836979A JP16836979A JPS5692607A JP S5692607 A JPS5692607 A JP S5692607A JP 16836979 A JP16836979 A JP 16836979A JP 16836979 A JP16836979 A JP 16836979A JP S5692607 A JPS5692607 A JP S5692607A
Authority
JP
Japan
Prior art keywords
signal
pulse
fed
input
produce
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
JP16836979A
Other languages
English (en)
Inventor
Takashi Kouhata
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 JP16836979A priority Critical patent/JPS5692607A/ja
Priority to DE3048673A priority patent/DE3048673C2/de
Priority to US06/221,324 priority patent/US4366399A/en
Publication of JPS5692607A publication Critical patent/JPS5692607A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • 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)
    • 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
    • H02P23/22—Controlling the speed digitally using a reference oscillator, a speed proportional pulse rate feedback and a digital comparator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/90—Specific system operational feature
    • Y10S388/901—Sample and hold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/915—Sawtooth or ramp waveform generator

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Velocity Or Acceleration (AREA)
JP16836979A 1979-12-26 1979-12-26 Frequency discriminating circuit Pending JPS5692607A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP16836979A JPS5692607A (en) 1979-12-26 1979-12-26 Frequency discriminating circuit
DE3048673A DE3048673C2 (de) 1979-12-26 1980-12-23 Frequenz-Diskriminator
US06/221,324 US4366399A (en) 1979-12-26 1980-12-29 Frequency discrimination circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16836979A JPS5692607A (en) 1979-12-26 1979-12-26 Frequency discriminating circuit

Publications (1)

Publication Number Publication Date
JPS5692607A true JPS5692607A (en) 1981-07-27

Family

ID=15866807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16836979A Pending JPS5692607A (en) 1979-12-26 1979-12-26 Frequency discriminating circuit

Country Status (3)

Country Link
US (1) US4366399A (ja)
JP (1) JPS5692607A (ja)
DE (1) DE3048673C2 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58119789A (ja) * 1982-01-06 1983-07-16 Hitachi Ltd モ−タ制御装置
US4553109A (en) * 1984-01-03 1985-11-12 Nicolet Instrument Corporation Digital data acquisition apparatus
US4760536A (en) * 1985-12-06 1988-07-26 Curtis Jerald C Autoranging frequency sensor
DE3718207A1 (de) * 1987-05-29 1988-12-15 Thomson Brandt Gmbh Verfahren zur steuerung der drehzahl eines rotors
GB2256066B (en) * 1991-05-07 1994-11-09 Matsushita Electric Ind Co Ltd Rotational speed control apparatus for DC motor
DE4221619C2 (de) * 1992-07-01 1997-01-09 Hell Ag Linotype Vorrichtung zur Drehzahlstabilisierung
KR100296832B1 (ko) * 1992-11-13 2001-10-24 요트.게.아. 롤페즈 이산시간신호처리시스템
TWI322561B (en) * 2003-11-19 2010-03-21 Delta Electronics Inc Motor control circuit
CN106571811B (zh) * 2015-10-09 2023-06-02 张伟林 同步补偿型三相马达同步控制电路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778638A (en) * 1972-11-09 1973-12-11 Gen Electric Frequency-to-voltage converter having high noise immunity
US3867647A (en) * 1973-05-29 1975-02-18 Vapor Corp Analog speed detector
US4085373A (en) * 1976-11-03 1978-04-18 Woodward Governor Company Frequency-to-voltage transducer for speed governor systems or the like

Also Published As

Publication number Publication date
DE3048673C2 (de) 1986-06-19
US4366399A (en) 1982-12-28
DE3048673A1 (de) 1981-09-10

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