CA954189A - Precise frequency measuring analog circuit - Google Patents

Precise frequency measuring analog circuit

Info

Publication number
CA954189A
CA954189A CA137,393A CA137393A CA954189A CA 954189 A CA954189 A CA 954189A CA 137393 A CA137393 A CA 137393A CA 954189 A CA954189 A CA 954189A
Authority
CA
Canada
Prior art keywords
analog circuit
frequency measuring
precise frequency
measuring analog
precise
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
CA137,393A
Other versions
CA137393S (en
Inventor
William F. Acker
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Inc
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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA954189A publication Critical patent/CA954189A/en
Expired 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
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
    • G01R23/09—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
CA137,393A 1971-06-07 1972-03-17 Precise frequency measuring analog circuit Expired CA954189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15032471A 1971-06-07 1971-06-07

Publications (1)

Publication Number Publication Date
CA954189A true CA954189A (en) 1974-09-03

Family

ID=22534041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,393A Expired CA954189A (en) 1971-06-07 1972-03-17 Precise frequency measuring analog circuit

Country Status (5)

Country Link
JP (1) JPS52156572U (en)
CA (1) CA954189A (en)
DE (1) DE2227741A1 (en)
FR (1) FR2140397B1 (en)
GB (1) GB1380140A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104166045B (en) * 2013-05-15 2016-12-28 海洋王（东莞）照明科技有限公司 A kind of ac power supply frequency detecting device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT365384B (en) * 1979-10-10 1982-01-11 Elin Union Ag CIRCUIT ARRANGEMENT FOR DETERMINING THE RESONANCE FREQUENCY OF LOAD-CONTROLLED VIBRARY CONVERTERS
DE3719505A1 (en) * 1987-06-11 1988-12-22 Telefunken Electronic Gmbh Frequency/voltage converter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535658A (en) * 1967-06-27 1970-10-20 Webb James E Frequency to analog converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104166045B (en) * 2013-05-15 2016-12-28 海洋王（东莞）照明科技有限公司 A kind of ac power supply frequency detecting device

Also Published As

Publication number Publication date
GB1380140A (en) 1975-01-08
FR2140397A1 (en) 1973-01-19
DE2227741A1 (en) 1972-12-14
FR2140397B1 (en) 1976-01-16
JPS52156572U (en) 1977-11-28

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