GB145040A - Improvements in radio transmitters - Google Patents

Improvements in radio transmitters

Info

Publication number
GB145040A
GB145040A GB16095/20A GB1609520A GB145040A GB 145040 A GB145040 A GB 145040A GB 16095/20 A GB16095/20 A GB 16095/20A GB 1609520 A GB1609520 A GB 1609520A GB 145040 A GB145040 A GB 145040A
Authority
GB
United Kingdom
Prior art keywords
maximum
filament
radio transmitters
farrand
marconi
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
GB16095/20A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co 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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB145040A publication Critical patent/GB145040A/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

Landscapes

  • Amplifiers (AREA)
  • Transmitters (AREA)

Abstract

145,040. Marconi's Wireless Telegraph Co., (Assignees of Farrand, C. L.). June 14, 1919, [Convention date]. Vacuum tubes. - A thermionic generating valve has a single filament G, two anodes H, and two external control members J, J<1> in the form of sheaths surrounding the vacuum tube, the arrangement being such that the electron current is a maximum to one anode when it is a minimum to the other, thereby enabling the maximum electron emission from the filament to he utilized at all times. Reference has been directed by the Comptroller to Specification 147,851.
GB16095/20A 1919-06-14 1920-06-14 Improvements in radio transmitters Expired GB145040A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US304290A US1385818A (en) 1919-06-14 1919-06-14 Radio-transmitter

Publications (1)

Publication Number Publication Date
GB145040A true GB145040A (en) 1921-05-12

Family

ID=23175865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16095/20A Expired GB145040A (en) 1919-06-14 1920-06-14 Improvements in radio transmitters

Country Status (2)

Country Link
US (1) US1385818A (en)
GB (1) GB145040A (en)

Also Published As

Publication number Publication date
US1385818A (en) 1921-07-26

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