FR945191A - Improvements to tuning devices for radio circuits - Google Patents

Improvements to tuning devices for radio circuits

Info

Publication number
FR945191A
FR945191A FR945191DA FR945191A FR 945191 A FR945191 A FR 945191A FR 945191D A FR945191D A FR 945191DA FR 945191 A FR945191 A FR 945191A
Authority
FR
France
Prior art keywords
radio circuits
tuning devices
tuning
devices
radio
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.)
Marconi Instruments Ltd
Original Assignee
Marconi Instruments Ltd
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 Marconi Instruments Ltd filed Critical Marconi Instruments Ltd
Application granted granted Critical
Publication of FR945191A publication Critical patent/FR945191A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
    • 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
FR945191D 1943-01-07 1947-04-15 Improvements to tuning devices for radio circuits Expired FR945191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33843A GB563377A (en) 1943-01-07 1943-01-07 Improvements in tuning devices for radio-circuits

Publications (1)

Publication Number Publication Date
FR945191A true FR945191A (en) 1949-04-27

Family

ID=9702635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945191D Expired FR945191A (en) 1943-01-07 1947-04-15 Improvements to tuning devices for radio circuits

Country Status (2)

Country Link
FR (1) FR945191A (en)
GB (1) GB563377A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944201C (en) * 1951-06-01 1956-06-07 Blaupunkt Werke G M B H Zweign Waveband switch for high frequencies
DE1027743B (en) * 1952-11-26 1958-04-10 Standard Coil Prod Co Inc Tuning device based on the turret design

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944201C (en) * 1951-06-01 1956-06-07 Blaupunkt Werke G M B H Zweign Waveband switch for high frequencies
DE1027743B (en) * 1952-11-26 1958-04-10 Standard Coil Prod Co Inc Tuning device based on the turret design

Also Published As

Publication number Publication date
GB563377A (en) 1944-08-11

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