FR939230A - Improvements to electronic tube assemblies - Google Patents

Improvements to electronic tube assemblies

Info

Publication number
FR939230A
FR939230A FR939230DA FR939230A FR 939230 A FR939230 A FR 939230A FR 939230D A FR939230D A FR 939230DA FR 939230 A FR939230 A FR 939230A
Authority
FR
France
Prior art keywords
tube assemblies
electronic tube
electronic
assemblies
tube
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)
Inventor
John Douglas Holland
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939230A publication Critical patent/FR939230A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/46—Reflex amplifiers
    • H03F3/48—Reflex amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/66—Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FR939230D 1944-09-01 1946-08-26 Improvements to electronic tube assemblies Expired FR939230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB250786X 1944-09-01

Publications (1)

Publication Number Publication Date
FR939230A true FR939230A (en) 1948-11-08

Family

ID=10221852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939230D Expired FR939230A (en) 1944-09-01 1946-08-26 Improvements to electronic tube assemblies

Country Status (4)

Country Link
US (1) US2474978A (en)
BE (1) BE477233A (en)
CH (1) CH250786A (en)
FR (1) FR939230A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541818A (en) * 1948-12-18 1951-02-13 Gen Electric Radio receiver
US2684402A (en) * 1949-12-31 1954-07-20 Stromberg Carlson Co Dual-purpose carrier-wave receiver
US2771548A (en) * 1952-07-08 1956-11-20 Polytechnic Res & Dev Co Inc Receiver tunable over v. h. f. and u. h. f. television bands
DE1022275B (en) * 1953-11-14 1958-01-09 Siemens Elektrogeraete Gmbh Method and device for receiving sound transmissions stereophonically transmitted via separate modulated carrier waves
US3080532A (en) * 1960-01-14 1963-03-05 Collins Radio Co Voltage variable gain circuit with gate correction
NL282484A (en) * 1961-08-25

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL41232C (en) * 1932-07-24
US2058512A (en) * 1934-05-28 1936-10-27 Rca Corp Radio receiver
US2201365A (en) * 1938-07-13 1940-05-21 Hazeltine Corp Duplex vacuum-tube repeater
US2189317A (en) * 1938-08-31 1940-02-06 Rca Corp Diversity antenna system
US2257782A (en) * 1939-01-24 1941-10-07 Radio Patents Corp Amplifier
GB538674A (en) * 1940-04-01 1941-08-12 Gen Electric Co Ltd Improvements in electrical oscillators comprising thermionic valves

Also Published As

Publication number Publication date
US2474978A (en) 1949-07-05
BE477233A (en)
CH250786A (en) 1947-09-15

Similar Documents

Publication Publication Date Title
FR925815A (en) Improvements to discharge tubes
FR909792A (en) Shielding improvements
FR939230A (en) Improvements to electronic tube assemblies
FR58156E (en) Improvements to coupling circuits
FR928874A (en) Improvements to electronic tube amplifier circuits
FR970803A (en) Improvements to electronic tubes
FR931222A (en) Improvements to discharge tubes
FR907290A (en) Improvements to aeromotors
FR992097A (en) Improvements made to fittings
FR951965A (en) Improvements to electronic tubes
FR992637A (en) Improvements to tube wrenches
FR977856A (en) Improvements to electron microscopes
FR931027A (en) Improvements to electronic tubes
FR906922A (en) Improvements to discharge tubes
FR942551A (en) Receiving tube enhancements
FR911302A (en) Improvements to electronic tubes
FR966788A (en) Improvements to discharge tubes
FR929347A (en) Improvements to electrometric vacuum tubes
FR907133A (en) Improvements to inner tubes in general
FR909888A (en) Reactance tube improvements
FR912144A (en) Improvements to discharge tubes
FR931781A (en) Improvements to electronic tube circuits
FR944431A (en) Improvements to tubular lamp supports
FR993849A (en) Finned tubes improvements
FR919026A (en) Improvements to electronic tubes