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GB175657A - Amplifier connections for wireless telegraphy - Google Patents

Amplifier connections for wireless telegraphy

Info

Publication number
GB175657A
GB175657A GB4766/22A GB476622A GB175657A GB 175657 A GB175657 A GB 175657A GB 4766/22 A GB4766/22 A GB 4766/22A GB 476622 A GB476622 A GB 476622A GB 175657 A GB175657 A GB 175657A
Authority
GB
United Kingdom
Prior art keywords
amplifier
condenser
coupling
glow
detector
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
GB4766/22A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB175657A publication Critical patent/GB175657A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning
    • H03J3/14—Visual indication, e.g. magic eye

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

175,657. Massolle, J., Engl, J., and Vogt, H. Feb. 18, 1921, [Convention date]. Thermionic amplifiers and detectors.-In order to avoid distortion effects arising from the use of transformers or the like in coupling a thermionic valve to a glow detector, the detecting-device g is placed across the high - tension supply E in parallel with the plate-filament path of the valve. Signal impulses applied to the grid of the amplifier k give rise to corresponding but reversed current-changes through the glow-tube g, and these may be recorded photographically. Coupling and regulating resistances W1, W2 and a condenser c are inserted, as shown; or the detector g may be connected directly across the plate-filament circuit of the amplifier k, the separate regulating-resistance w2 and condenser c then being omitted. Several amplifiers may be used.
GB4766/22A 1921-02-18 1922-02-17 Amplifier connections for wireless telegraphy Expired GB175657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE175657X 1921-02-18

Publications (1)

Publication Number Publication Date
GB175657A true GB175657A (en) 1923-03-08

Family

ID=5694083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4766/22A Expired GB175657A (en) 1921-02-18 1922-02-17 Amplifier connections for wireless telegraphy

Country Status (1)

Country Link
GB (1) GB175657A (en)

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