FR747556A - Oscillator-modulator, in particular for superheterodyne receivers - Google Patents

Oscillator-modulator, in particular for superheterodyne receivers

Info

Publication number
FR747556A
FR747556A FR747556DA FR747556A FR 747556 A FR747556 A FR 747556A FR 747556D A FR747556D A FR 747556DA FR 747556 A FR747556 A FR 747556A
Authority
FR
France
Prior art keywords
modulator
oscillator
superheterodyne receivers
superheterodyne
receivers
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR747556A publication Critical patent/FR747556A/en
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
    • H03D7/08—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 the same two 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Circuits Of Receivers In General (AREA)
FR747556D 1931-12-14 1932-12-14 Oscillator-modulator, in particular for superheterodyne receivers Expired FR747556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US580871A US1962104A (en) 1931-12-14 1931-12-14 Radioreceiver

Publications (1)

Publication Number Publication Date
FR747556A true FR747556A (en) 1933-06-20

Family

ID=24322916

Family Applications (2)

Application Number Title Priority Date Filing Date
FR747555D Expired FR747555A (en) 1931-12-14 1932-12-14 Oscillator-modulator, in particular for frequency-changing receivers
FR747556D Expired FR747556A (en) 1931-12-14 1932-12-14 Oscillator-modulator, in particular for superheterodyne receivers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR747555D Expired FR747555A (en) 1931-12-14 1932-12-14 Oscillator-modulator, in particular for frequency-changing receivers

Country Status (5)

Country Link
US (2) US1962104A (en)
BE (1) BE393019A (en)
FR (2) FR747555A (en)
GB (1) GB392841A (en)
NL (2) NL38048C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79820C (en) * 1949-02-26
GB698397A (en) * 1951-07-02 1953-10-14 Philips Electrical Ind Ltd Improvements in or relating to superheterodyne receiving circuits
US2908869A (en) * 1958-01-03 1959-10-13 Avco Mfg Corp Stable oscillator
US2986632A (en) * 1959-03-17 1961-05-30 Oak Mfg Co Combined oscillator converter circuit for high frequencies

Also Published As

Publication number Publication date
BE393019A (en)
NL38048C (en)
GB392841A (en) 1933-05-25
FR747555A (en) 1933-06-20
US1962104A (en) 1934-06-05
NL40380C (en)
USRE19765E (en) 1935-11-26

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