FR947282A - Montage changeur de fréquence - Google Patents

Montage changeur de fréquence

Info

Publication number
FR947282A
FR947282A FR947282DA FR947282A FR 947282 A FR947282 A FR 947282A FR 947282D A FR947282D A FR 947282DA FR 947282 A FR947282 A FR 947282A
Authority
FR
France
Prior art keywords
frequency changer
changer assembly
assembly
frequency
changer
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
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR947282A publication Critical patent/FR947282A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Particle Accelerators (AREA)
FR947282D 1944-09-02 1947-05-28 Montage changeur de fréquence Expired FR947282A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL258997X 1944-09-02

Publications (1)

Publication Number Publication Date
FR947282A true FR947282A (fr) 1949-06-28

Family

ID=19781426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947282D Expired FR947282A (fr) 1944-09-02 1947-05-28 Montage changeur de fréquence

Country Status (4)

Country Link
US (1) US2611093A (en:Method)
BE (1) BE472309A (en:Method)
CH (1) CH258997A (en:Method)
FR (1) FR947282A (en:Method)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1564627A (en) * 1920-03-31 1925-12-08 Rca Corp Wireless telegraph and telephone transmission
US1912234A (en) * 1929-01-08 1933-05-30 John A Willoughby Radio direction finder
NL54608C (en:Method) * 1937-07-10
US2173164A (en) * 1937-08-14 1939-09-19 Rca Corp Signaling apparatus
US2258877A (en) * 1939-01-26 1941-10-14 Alfred W Barber Electrical circuit damping
US2401945A (en) * 1941-03-27 1946-06-11 Rca Corp Frequency multiplier
US2445584A (en) * 1942-04-13 1948-07-20 Gen Electric Pulse receiving system
US2408821A (en) * 1942-07-30 1946-10-08 Sperry Gryoscope Company Inc Automatic volume control
US2416367A (en) * 1942-07-30 1947-02-25 Standard Telephones Cables Ltd Pulse generating system
US2408858A (en) * 1943-11-29 1946-10-08 Rca Corp Adjustment and testing of crystal rectifiers
US2432180A (en) * 1943-12-24 1947-12-09 Rca Corp Radio pulse-echo system
US2504636A (en) * 1944-07-15 1950-04-18 Philco Corp Superregenerative receiver circuit

Also Published As

Publication number Publication date
CH258997A (de) 1948-12-31
US2611093A (en) 1952-09-16
BE472309A (en:Method)

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