FR938430A - Dispositif de transmission des ondes électromagnétiques à ultra haute fréquence - Google Patents

Dispositif de transmission des ondes électromagnétiques à ultra haute fréquence

Info

Publication number
FR938430A
FR938430A FR938430DA FR938430A FR 938430 A FR938430 A FR 938430A FR 938430D A FR938430D A FR 938430DA FR 938430 A FR938430 A FR 938430A
Authority
FR
France
Prior art keywords
high frequency
transmission device
electromagnetic wave
ultra high
wave transmission
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR938430A publication Critical patent/FR938430A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/10—Auxiliary devices for switching or interrupting
    • H01P1/14—Auxiliary devices for switching or interrupting by electric discharge devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/78—One or more circuit elements structurally associated with the tube
    • H01J19/80—Structurally associated resonator having distributed inductance and capacitance
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
    • H03F1/16—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Amplifiers (AREA)
  • Amplifiers (AREA)
FR938430D 1941-09-27 1946-09-28 Dispositif de transmission des ondes électromagnétiques à ultra haute fréquence Expired FR938430A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA450478T
US412559A US2426185A (en) 1941-09-27 1941-09-27 Translation of microwaves

Publications (1)

Publication Number Publication Date
FR938430A true FR938430A (fr) 1948-09-15

Family

ID=74043497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938430D Expired FR938430A (fr) 1941-09-27 1946-09-28 Dispositif de transmission des ondes électromagnétiques à ultra haute fréquence

Country Status (7)

Country Link
US (1) US2426185A (fr)
BE (1) BE469438A (fr)
CA (1) CA450478A (fr)
DE (1) DE831418C (fr)
FR (1) FR938430A (fr)
GB (1) GB592402A (fr)
NL (1) NL66227C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE477660A (fr) * 1943-12-28
US2523307A (en) * 1944-10-28 1950-09-26 Standard Telephones Cables Ltd Feedback coupling circuit
US2615998A (en) * 1948-01-31 1952-10-28 Fed Telephone & Radio Corp Multistage cascade amplifier
CH309019A (de) * 1952-12-30 1955-08-15 Patelhold Patentverwertung Abstimmeinrichtung für Einkreis-Magnetron.
US2775660A (en) * 1953-12-02 1956-12-25 Standard Electronics Corp Filament lead-in and impedance matching structure for a grounded grid amplifier
US2790857A (en) * 1954-04-01 1957-04-30 Rca Corp Output or input circuits for vacuum tubes
DE951641C (de) * 1954-12-21 1956-10-31 Sachsenwerk Radeberg Veb Eingangsschaltung fuer Dezimeterverstaerker, insbesondere fuer Leistungsstufen mit koaxialer Eingangsschaltung
US2896075A (en) * 1955-05-12 1959-07-21 Sylvania Electric Prod Branched coaxial waveguide structure utilizing fine resistive wire coupling
DE1063656B (de) * 1958-03-28 1959-08-20 Telefunken Gmbh Brueckenschaltung zur Entkopplung der Oszillatorstoerspannung bei Gitterbasis-Vorstufen, bei denen der anodenseitige Schwingkreis als Topfkreis aus der Reihenschaltung der Gitter-Anoden-Kapazitaet, einer Abstimminduktivitaet und einer Abstimmkapazitaet gebildet ist
EP2053738A1 (fr) * 2007-10-25 2009-04-29 Alcatel Lucent Amplificateur avec bande de fréquence réglable

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2153728A (en) * 1936-10-07 1939-04-11 American Telephone & Telegraph Ultra high frequency signaling
US2247216A (en) * 1938-04-27 1941-06-24 Rca Corp Resonant line control oscillation generator
US2247218A (en) * 1938-04-28 1941-06-24 Rca Corp Neutralizing circuits employing resonant lines

Also Published As

Publication number Publication date
CA450478A (fr) 1948-08-10
GB592402A (en) 1947-09-17
DE831418C (de) 1952-02-14
NL66227C (fr) 1950-03-15
BE469438A (fr) 1946-12-31
US2426185A (en) 1947-08-26

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