FR939170A - Improvements to thermoelectronic tube modulation devices - Google Patents

Improvements to thermoelectronic tube modulation devices

Info

Publication number
FR939170A
FR939170A FR939170DA FR939170A FR 939170 A FR939170 A FR 939170A FR 939170D A FR939170D A FR 939170DA FR 939170 A FR939170 A FR 939170A
Authority
FR
France
Prior art keywords
thermoelectronic
modulation devices
tube modulation
tube
devices
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
Charles Malton Le Grice Eyre
John Owen Gilderdale
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 FR939170A publication Critical patent/FR939170A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Circuits Of Receivers In General (AREA)
FR939170D 1943-02-01 1946-05-10 Improvements to thermoelectronic tube modulation devices Expired FR939170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB254686X 1943-02-01

Publications (1)

Publication Number Publication Date
FR939170A true FR939170A (en) 1948-11-05

Family

ID=10228183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939170D Expired FR939170A (en) 1943-02-01 1946-05-10 Improvements to thermoelectronic tube modulation devices

Country Status (5)

Country Link
US (1) US2408053A (en)
BE (1) BE475935A (en)
CH (1) CH254686A (en)
FR (1) FR939170A (en)
GB (1) GB562325A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616033A (en) * 1948-12-24 1952-10-28 Zenith Radio Corp Converter
US2843826A (en) * 1953-05-21 1958-07-15 Philco Corp Modulator system

Also Published As

Publication number Publication date
CH254686A (en) 1948-05-15
BE475935A (en)
GB562325A (en) 1944-06-27
US2408053A (en) 1946-09-24

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