FR978743A - Improvements in the production of microwave oscillations of standard frequencies - Google Patents

Improvements in the production of microwave oscillations of standard frequencies

Info

Publication number
FR978743A
FR978743A FR978743DA FR978743A FR 978743 A FR978743 A FR 978743A FR 978743D A FR978743D A FR 978743DA FR 978743 A FR978743 A FR 978743A
Authority
FR
France
Prior art keywords
production
microwave oscillations
standard frequencies
oscillations
microwave
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR978743A publication Critical patent/FR978743A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR978743D 1948-05-13 1949-01-07 Improvements in the production of microwave oscillations of standard frequencies Expired FR978743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US978743XA 1948-05-13 1948-05-13

Publications (1)

Publication Number Publication Date
FR978743A true FR978743A (en) 1951-04-17

Family

ID=22265549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978743D Expired FR978743A (en) 1948-05-13 1949-01-07 Improvements in the production of microwave oscillations of standard frequencies

Country Status (1)

Country Link
FR (1) FR978743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881316A (en) * 1955-06-02 1959-04-07 Alan J Fisher Crystal-tuned oscillators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881316A (en) * 1955-06-02 1959-04-07 Alan J Fisher Crystal-tuned oscillators

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