FR1059746A - Method for comparing the frequencies of two high frequency generators and device for implementing the method - Google Patents

Method for comparing the frequencies of two high frequency generators and device for implementing the method

Info

Publication number
FR1059746A
FR1059746A FR1059746DA FR1059746A FR 1059746 A FR1059746 A FR 1059746A FR 1059746D A FR1059746D A FR 1059746DA FR 1059746 A FR1059746 A FR 1059746A
Authority
FR
France
Prior art keywords
frequencies
implementing
comparing
high frequency
frequency generators
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
Other languages
French (fr)
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.)
Ebauches SA
Original Assignee
Ebauches SA
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 Ebauches SA filed Critical Ebauches SA
Application granted granted Critical
Publication of FR1059746A publication Critical patent/FR1059746A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1207—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring
    • G04D7/1235—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for the control mechanism only (found from outside the clockwork)
    • G04D7/125—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for the control mechanism only (found from outside the clockwork) for measuring frequency
FR1059746D 1951-07-16 1952-07-16 Method for comparing the frequencies of two high frequency generators and device for implementing the method Expired FR1059746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH706298X 1951-07-16

Publications (1)

Publication Number Publication Date
FR1059746A true FR1059746A (en) 1954-03-26

Family

ID=4530402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1059746D Expired FR1059746A (en) 1951-07-16 1952-07-16 Method for comparing the frequencies of two high frequency generators and device for implementing the method

Country Status (2)

Country Link
FR (1) FR1059746A (en)
GB (1) GB706298A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123769A (en) * 1964-03-03 Phase
US2919403A (en) * 1954-06-15 1959-12-29 Vitro Corp Of America Frequency measuring and display system
FR1134205A (en) * 1955-10-07 1957-04-09 Jaeger Ets Ed Method for measuring a speed of rotation and devices applying this method
US3204181A (en) * 1963-01-23 1965-08-31 Gen Precision Inc Electro-mechanical frequency comparator utilizing cams for timing
FR2058678A5 (en) * 1969-09-22 1971-05-28 Commissariat Energie Atomique METHOD FOR MEASURING THE DIFFERENCE OF TWO NEIGHBORING FREQUENCIES AND DIFFERENTIAL FREQUENCY METER INCLUDING APPLICATION OF THE SAID PROCEDURE
TWI703840B (en) * 2019-01-16 2020-09-01 瑞昱半導體股份有限公司 Circuit within switch and method for managing memory within switch

Also Published As

Publication number Publication date
GB706298A (en) 1954-03-24

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