FR1082394A - Récepteur superhétérodyne - Google Patents

Récepteur superhétérodyne

Info

Publication number
FR1082394A
FR1082394A FR1082394DA FR1082394A FR 1082394 A FR1082394 A FR 1082394A FR 1082394D A FR1082394D A FR 1082394DA FR 1082394 A FR1082394 A FR 1082394A
Authority
FR
France
Prior art keywords
superheterodyne receiver
superheterodyne
receiver
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.)
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 FR1082394A publication Critical patent/FR1082394A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
FR1082394D 1952-08-26 1953-08-24 Récepteur superhétérodyne Expired FR1082394A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL733466X 1952-08-26

Publications (1)

Publication Number Publication Date
FR1082394A true FR1082394A (fr) 1954-12-29

Family

ID=19820343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1082394D Expired FR1082394A (fr) 1952-08-26 1953-08-24 Récepteur superhétérodyne

Country Status (5)

Country Link
US (1) US2812434A (fr)
DE (1) DE965998C (fr)
FR (1) FR1082394A (fr)
GB (1) GB733466A (fr)
NL (2) NL172046C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225823A (en) * 1977-02-26 1980-09-30 Nippon Gakki Seizo Kabushiki Kaisha Front end circuits of FM receivers

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE160875C (fr) *
DE430895C (de) * 1924-11-15 1926-06-28 Telefunken Gmbh Schaltungsanordnung zweier Schwingungskreise, deren Differenzfrequenz bei gleicher AEnderung eines Abstimmungsmittels konstant gehalten werden soll
US1949843A (en) * 1929-09-17 1934-03-06 Rca Corp Constant frequency difference heterodyne
FR754265A (fr) * 1932-04-26 1933-11-02
DE659199C (de) * 1933-09-30 1938-04-27 Rca Corp Zwischenfrequenzempfaenger fuer mehrere Wellenbereiche
CH196489A (de) * 1935-05-25 1938-03-15 Hazeltine Corp Empfangsgerät zum Empfang von Hochfrequenzsignalen innerhalb mehrerer Frequenzbereiche.
BE479623A (fr) * 1942-01-07
US2355470A (en) * 1943-01-11 1944-08-08 Gen Electric Multiband receiver circuit
NL65133C (fr) * 1943-03-03
NL64009C (fr) * 1944-02-15 1949-09-15
US2477391A (en) * 1944-11-24 1949-07-26 Avco Mfg Corp Radio receiving system
BE469329A (fr) * 1945-12-04

Also Published As

Publication number Publication date
US2812434A (en) 1957-11-05
DE965998C (de) 1957-07-04
GB733466A (en) 1955-07-13
NL172064B (nl)
NL172046C (nl)

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