FR993974A - Improvements to methods and devices for generating multiple frequencies - Google Patents

Improvements to methods and devices for generating multiple frequencies

Info

Publication number
FR993974A
FR993974A FR993974DA FR993974A FR 993974 A FR993974 A FR 993974A FR 993974D A FR993974D A FR 993974DA FR 993974 A FR993974 A FR 993974A
Authority
FR
France
Prior art keywords
methods
devices
multiple frequencies
generating multiple
generating
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)
Inventor
Antoine-Jean Merles
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 filed Critical
Application granted granted Critical
Publication of FR993974A publication Critical patent/FR993974A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B21/00Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02Generation 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
FR993974D 1944-11-29 1944-11-29 Improvements to methods and devices for generating multiple frequencies Expired FR993974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993974T 1944-11-29

Publications (1)

Publication Number Publication Date
FR993974A true FR993974A (en) 1951-11-09

Family

ID=9556027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993974D Expired FR993974A (en) 1944-11-29 1944-11-29 Improvements to methods and devices for generating multiple frequencies

Country Status (3)

Country Link
CH (1) CH272695A (en)
FR (1) FR993974A (en)
GB (1) GB641344A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0172560A2 (en) * 1984-08-22 1986-02-26 Advantest Corporation Variable frequency synthesizer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946963A (en) * 1957-04-05 1960-07-26 Gen Dynamics Corp Frequency multiplier
US3023371A (en) * 1958-03-07 1962-02-27 Thompson Ramo Wooldridge Inc Precision variable frequency generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0172560A2 (en) * 1984-08-22 1986-02-26 Advantest Corporation Variable frequency synthesizer
EP0172560A3 (en) * 1984-08-22 1988-01-07 Takeda Riken Co., Ltd. Variable frequency synthesizer

Also Published As

Publication number Publication date
GB641344A (en) 1950-08-09
CH272695A (en) 1950-12-31

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