FR884839A - Montage changeur de fréquence comportant un tube a décharges électriques - Google Patents

Montage changeur de fréquence comportant un tube a décharges électriques

Info

Publication number
FR884839A
FR884839A FR884839DA FR884839A FR 884839 A FR884839 A FR 884839A FR 884839D A FR884839D A FR 884839DA FR 884839 A FR884839 A FR 884839A
Authority
FR
France
Prior art keywords
discharge tube
electric discharge
frequency changer
changer assembly
assembly
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 FR884839A publication Critical patent/FR884839A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/26Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • H03F1/28Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/02Transference of modulation from one carrier to another, e.g. frequency-changing by means of diodes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08Transference 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Amplifiers (AREA)
FR884839D 1941-08-08 1942-08-06 Montage changeur de fréquence comportant un tube a décharges électriques Expired FR884839A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL231161X 1941-08-08

Publications (1)

Publication Number Publication Date
FR884839A true FR884839A (fr) 1943-08-27

Family

ID=19779960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR884839D Expired FR884839A (fr) 1941-08-08 1942-08-06 Montage changeur de fréquence comportant un tube a décharges électriques

Country Status (6)

Country Link
US (1) US2430835A (de)
BE (1) BE446775A (de)
CH (1) CH231161A (de)
DE (1) DE856008C (de)
FR (1) FR884839A (de)
NL (1) NL62481C (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548132A (en) * 1945-07-17 1951-04-10 Sylvania Electric Prod Superheterodyne receiver employing triode converters
BE473522A (de) * 1946-05-28
BE474392A (de) * 1946-06-22
BE486760A (de) * 1948-01-12
US2601467A (en) * 1948-08-31 1952-06-24 Rca Corp Triode mixer construction
NL84011C (de) * 1953-02-12

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE655256C (de) * 1938-01-12 Leo Pungs Dr Ing Einrichtung zum Zwischenfrequenzempfang
US1742773A (en) * 1926-12-18 1930-01-07 Rca Corp Radio signaling system
US2058430A (en) * 1932-04-27 1936-10-27 Harold F Elliott Modulator and demodulator
US2227604A (en) * 1938-01-29 1941-01-07 Rca Corp Ultra high frequency device
US2236801A (en) * 1939-03-13 1941-04-01 Albert P Mcdonald Vitreous clay conduit rest section
US2253853A (en) * 1939-07-09 1941-08-26 Haantjes Johan Superheterodyne receiving circuit
US2296107A (en) * 1941-05-09 1942-09-15 Rca Corp Ultra high frequency converter
US2315658A (en) * 1941-08-30 1943-04-06 Rca Corp Negative resistance device

Also Published As

Publication number Publication date
US2430835A (en) 1947-11-11
NL62481C (de)
DE856008C (de) 1952-11-17
BE446775A (de)
CH231161A (de) 1944-02-29

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