FR967551A - Radio receiver tunable over a number of wavelength ranges - Google Patents

Radio receiver tunable over a number of wavelength ranges

Info

Publication number
FR967551A
FR967551A FR967551DA FR967551A FR 967551 A FR967551 A FR 967551A FR 967551D A FR967551D A FR 967551DA FR 967551 A FR967551 A FR 967551A
Authority
FR
France
Prior art keywords
radio receiver
wavelength ranges
tunable over
receiver tunable
over
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.)
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 FR967551A publication Critical patent/FR967551A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • 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
    • 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
FR967551D 1947-06-14 1948-06-11 Radio receiver tunable over a number of wavelength ranges Expired FR967551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL653031X 1947-06-14

Publications (1)

Publication Number Publication Date
FR967551A true FR967551A (en) 1950-11-07

Family

ID=19795139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967551D Expired FR967551A (en) 1947-06-14 1948-06-11 Radio receiver tunable over a number of wavelength ranges

Country Status (5)

Country Link
BE (1) BE483111A (en)
DE (1) DE855419C (en)
FR (1) FR967551A (en)
GB (1) GB653031A (en)
NL (1) NL73503C (en)

Also Published As

Publication number Publication date
BE483111A (en)
GB653031A (en) 1951-05-09
NL73503C (en)
DE855419C (en) 1952-11-13

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