FR808523A - Improvements relating to variable tuning circuits - Google Patents

Improvements relating to variable tuning circuits

Info

Publication number
FR808523A
FR808523A FR808523DA FR808523A FR 808523 A FR808523 A FR 808523A FR 808523D A FR808523D A FR 808523DA FR 808523 A FR808523 A FR 808523A
Authority
FR
France
Prior art keywords
improvements relating
tuning circuits
variable tuning
variable
circuits
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR808523A publication Critical patent/FR808523A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/04—Coaxial resonators
    • 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
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
    • H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
FR808523D 1935-05-17 1936-05-14 Improvements relating to variable tuning circuits Expired FR808523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22037A US2116996A (en) 1935-05-17 1935-05-17 Variable tuned circuits

Publications (1)

Publication Number Publication Date
FR808523A true FR808523A (en) 1937-02-09

Family

ID=21807490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808523D Expired FR808523A (en) 1935-05-17 1936-05-14 Improvements relating to variable tuning circuits

Country Status (4)

Country Link
US (1) US2116996A (en)
DE (1) DE715477C (en)
FR (1) FR808523A (en)
GB (1) GB454077A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435585A (en) * 1941-12-20 1948-02-10 Bell Telephone Labor Inc High-frequency relay employing an electron discharge device
US2483189A (en) * 1944-09-13 1949-09-27 Hartford Nat Bank & Trust Comp Transmission line oscillator
US2531426A (en) * 1945-02-05 1950-11-28 Farnsworth Res Corp Ultra high frequency oscillation generator
BE515926A (en) * 1951-11-30
DE939940C (en) * 1952-09-09 1956-03-08 Rohde & Schwarz Line resonance circuit that can be tuned by varying the characteristic impedance
DE1177221B (en) * 1961-04-07 1964-09-03 Telefunken Patent Tuning device for high-frequency electrical oscillations
DE1183559B (en) * 1961-06-02 1964-12-17 R & E Hopt K G Tuning device for maximum frequencies
DE1186526B (en) * 1961-11-30 1965-02-04 Telefunken Patent Device for the isolated mounting of a trimmer capacitor
DE1218024B (en) * 1965-01-29 1966-06-02 Rohde & Schwarz Arrangement for frequency tuning of line resonators

Also Published As

Publication number Publication date
DE715477C (en) 1941-12-22
GB454077A (en) 1936-09-23
US2116996A (en) 1938-05-10

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