FR1137662A - Perfectionnements aux dispositifs de modulation - Google Patents

Perfectionnements aux dispositifs de modulation

Info

Publication number
FR1137662A
FR1137662A FR1137662DA FR1137662A FR 1137662 A FR1137662 A FR 1137662A FR 1137662D A FR1137662D A FR 1137662DA FR 1137662 A FR1137662 A FR 1137662A
Authority
FR
France
Prior art keywords
modulation devices
modulation
devices
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1137662A publication Critical patent/FR1137662A/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
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/36—Amplitude modulation by means of semiconductor device having at least three electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR1137662D 1954-10-18 1955-10-18 Perfectionnements aux dispositifs de modulation Expired FR1137662A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US462767A US2878376A (en) 1954-10-18 1954-10-18 Transistor converter with emitter connected to series-resonant local oscillation circuit

Publications (1)

Publication Number Publication Date
FR1137662A true FR1137662A (fr) 1957-06-03

Family

ID=23837685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1137662D Expired FR1137662A (fr) 1954-10-18 1955-10-18 Perfectionnements aux dispositifs de modulation

Country Status (2)

Country Link
US (1) US2878376A (fr)
FR (1) FR1137662A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL233219A (fr) * 1957-11-15
US3007045A (en) * 1958-08-01 1961-10-31 Gen Electric Converter
US3040255A (en) * 1959-05-27 1962-06-19 Gen Instrument Corp Transistorized tuning circuit for television tuner or the like
US3010014A (en) * 1959-09-07 1961-11-21 Sanyo Electric Co Frequency converter circuits
AT370266B (de) * 1978-12-15 1983-03-10 Philips Nv Selbstschwingende mischstufe fuer ukw-rundfunkempfaenger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691074A (en) * 1949-08-31 1954-10-05 Rca Corp Amplifier having frequency responsive variable gain
BE506781A (fr) * 1950-10-31
US2775705A (en) * 1953-06-24 1956-12-25 Hartford Nat Bank & Trust Co Transistor mixing circuit

Also Published As

Publication number Publication date
US2878376A (en) 1959-03-17

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