CA1058288A - Circuit detecteur de frequences - Google Patents

Circuit detecteur de frequences

Info

Publication number
CA1058288A
CA1058288A CA253,919A CA253919A CA1058288A CA 1058288 A CA1058288 A CA 1058288A CA 253919 A CA253919 A CA 253919A CA 1058288 A CA1058288 A CA 1058288A
Authority
CA
Canada
Prior art keywords
signal
input signal
frequency
input
cycle
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
Application number
CA253,919A
Other languages
English (en)
Inventor
Alan C. Mortensen
Douglas M. Clifford
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.)
HP Inc
Original Assignee
Hewlett Packard 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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of CA1058288A publication Critical patent/CA1058288A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
CA253,919A 1975-08-25 1976-06-02 Circuit detecteur de frequences Expired CA1058288A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60772775A 1975-08-25 1975-08-25

Publications (1)

Publication Number Publication Date
CA1058288A true CA1058288A (fr) 1979-07-10

Family

ID=24433467

Family Applications (1)

Application Number Title Priority Date Filing Date
CA253,919A Expired CA1058288A (fr) 1975-08-25 1976-06-02 Circuit detecteur de frequences

Country Status (4)

Country Link
JP (1) JPS5226876A (fr)
CA (1) CA1058288A (fr)
DE (1) DE2635892A1 (fr)
GB (1) GB1547445A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566701A (en) * 1978-06-26 1980-05-20 Mitsutoyo Mfg Co Ltd Count failure alarm circuit for digital electronic micrometer
JPS567480A (en) * 1979-06-29 1981-01-26 Mitsubishi Electric Corp Film transistor
JPS5788945U (fr) * 1980-11-20 1982-06-01
JPH0691228B2 (ja) * 1986-03-28 1994-11-14 キヤノン株式会社 半導体装置
US4849704A (en) * 1987-04-15 1989-07-18 Westinghouse Electric Corp. Duty cycle independent phase detector
JPS6411554U (fr) * 1987-07-08 1989-01-20
US4801894A (en) * 1987-10-23 1989-01-31 Hewlett-Packard Company Frequency detector for frequency locked loop
JP2667432B2 (ja) * 1988-03-19 1997-10-27 株式会社東芝 半導体装置及び固体撮像装置
CN109030937B (zh) * 2018-08-13 2024-02-06 珠海格力电器股份有限公司 电源频率检测电路、空调和并网系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911374A (fr) * 1972-06-01 1974-01-31

Also Published As

Publication number Publication date
JPS5226876A (en) 1977-02-28
GB1547445A (en) 1979-06-20
DE2635892A1 (de) 1977-03-10

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