GB223580A - Improvements in the application of two grid valves - Google Patents

Improvements in the application of two grid valves

Info

Publication number
GB223580A
GB223580A GB24514/24A GB2451424A GB223580A GB 223580 A GB223580 A GB 223580A GB 24514/24 A GB24514/24 A GB 24514/24A GB 2451424 A GB2451424 A GB 2451424A GB 223580 A GB223580 A GB 223580A
Authority
GB
United Kingdom
Prior art keywords
grid
circuit
inductance
battery
filament
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
GB24514/24A
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
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Publication of GB223580A publication Critical patent/GB223580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
    • H03D1/16—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of discharge tubes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • X-Ray Techniques (AREA)
  • Electron Tubes For Measurement (AREA)

Abstract

223,580. Compagnie GÚnÚrale de Telegraphie Sans Fil. Oct. 15, 1923, [Convention date]. Thermionic detectors, amplifiers, and generators. -In a detector circuit for a four-electrode valve having two grids, the outer grid 4 is connected to the heating-circuit of the cathode 2 through a tuned circuit comprising a variable condenser 9 and an inductance 8 coupled with an inductance 11 in the aerial circuit and is maintained at a positive potential with respect to the negative end of the cathode: or the grid mav be connected with the aerial directly or through an Oudin circuit. The inner grid 3 is connected through an inductance 15, coupled with one of the inductances 8, 11, and a telephone or other receiver 14, with the positive terminal of the battery 13 which is connected directly with the anode 5. The arrangement may be used for autodyne reception. The Specification as open to inspection under Sect. 91 (3) (a) describes an amplifier in which the input circuit is connected between the outer grid and the filament either through a transformer or through a capacity with a high resistance between the grid and the filament. The inner grid is connected to the positive terminal or to an intermediate point of the high-tension battery, and the anode is connected to that battery through a receiver. This subject-matter does not appear in the Specification as accepted.
GB24514/24A 1923-10-15 1924-10-15 Improvements in the application of two grid valves Expired GB223580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR584276X 1923-10-15

Publications (1)

Publication Number Publication Date
GB223580A true GB223580A (en) 1925-11-26

Family

ID=31898019

Family Applications (2)

Application Number Title Priority Date Filing Date
GB24514/24A Expired GB223580A (en) 1923-10-15 1924-10-15 Improvements in the application of two grid valves
GB30041/24A Expired GB226228A (en) 1923-10-15 1924-12-13 Improvements relating to the circuits of two grid valves

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB30041/24A Expired GB226228A (en) 1923-10-15 1924-12-13 Improvements relating to the circuits of two grid valves

Country Status (3)

Country Link
US (1) US1732044A (en)
FR (2) FR584276A (en)
GB (2) GB223580A (en)

Also Published As

Publication number Publication date
FR584276A (en) 1925-02-03
US1732044A (en) 1929-10-15
GB226228A (en) 1926-03-15
FR29010E (en) 1925-05-19

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