GB175403A - Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony - Google Patents

Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony

Info

Publication number
GB175403A
GB175403A GB3222620A GB3222620A GB175403A GB 175403 A GB175403 A GB 175403A GB 3222620 A GB3222620 A GB 3222620A GB 3222620 A GB3222620 A GB 3222620A GB 175403 A GB175403 A GB 175403A
Authority
GB
United Kingdom
Prior art keywords
valve
plate
battery
amplifiers
grid
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
GB3222620A
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.)
ARTHUR KENNETH MACRORIE
Original Assignee
ARTHUR KENNETH MACRORIE
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 ARTHUR KENNETH MACRORIE filed Critical ARTHUR KENNETH MACRORIE
Priority to GB3222620A priority Critical patent/GB175403A/en
Publication of GB175403A publication Critical patent/GB175403A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

175,403. Macrorie, A. K., and Appleton, W. A. Nov. 15, 1920. Thermionic amplifiers and detectors; heterodyne receiving systems.-Heterodyne receiving-apparatus employing a number of amplifying-valves C, D, E in cascade has a separate valve F for generating the local oscillations, this valve having its grid connected to the grid of one of the amplifiers E, and its plate circuit retro-actively coupled to the grid circuit B of the first valve C. The plate circuit of the valve F is energized by a battery X and potentiometer H, the potential applied to the plate being low so as to reduce the amplitude of the local oscillations to a point of maximum sensitiveness. The battery X as shown serves for heating all the filaments, and the plate circuits of the amplifiers C, D, E are all supplied by a battery Y. The telephone Z is in the plate circuit of the last amplifier E.
GB3222620A 1920-11-15 1920-11-15 Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony Expired GB175403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3222620A GB175403A (en) 1920-11-15 1920-11-15 Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3222620A GB175403A (en) 1920-11-15 1920-11-15 Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony

Publications (1)

Publication Number Publication Date
GB175403A true GB175403A (en) 1922-02-15

Family

ID=10335264

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3222620A Expired GB175403A (en) 1920-11-15 1920-11-15 Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony

Country Status (1)

Country Link
GB (1) GB175403A (en)

Similar Documents

Publication Publication Date Title
GB175403A (en) Improvements in and relating to reception of continuous waves in wireless telegraphyand telephony
GB613681A (en) Improved circuit arrangements for the amplification or frequency-transformation of electrical oscillations
GB534294A (en) Improvements in thermionic tube amplifiers
GB672373A (en) Improvements in or relating to thermionic valve circuit arrangements
GB354075A (en) Improvements in or relating to high frequency oscillation generators
GB684963A (en) Improvements in or relating to thermionic valve circuit arrangements
GB199428A (en) Improvements in and relating to radio frequency signalling systems
GB719980A (en) Improvements in or relating to push-pull circuits for amplifying or generating radio-frequency oscillations
GB726746A (en) Improvements in and relating to electrical signal amplifiers
GB613854A (en) Improvements in and relating to repeater systems for high frequency electric waves
GB607059A (en) Improvements in or relating to amplifier circuits
GB530936A (en) Improvements in or relating to electron discharge tube amplifiers
GB284585A (en) Improvements in thermionic valve circuits for wireless reception
GB162097A (en) Improvements in or relating to wireless telegraphy and telephony
GB225907A (en) Improvements in or relating to wireless systems
GB172394A (en) Improvements in and relating to radio signalling systems
GB266690A (en) Improvements in and relating to electric oscillation generators
GB183130A (en) Improvements in or relating to the reception and amplification of radiotelegraphic signals
GB172127A (en) Improvements in and relating to valve transmitters and receivers for wireless telegraphy and telephony
GB223530A (en) Improvements in electric wave producers
GB619784A (en) Improvements in or relating to circuit-arrangements for the amplification of high-frequency electrical oscillations
GB741913A (en) Improvements in or relating to additive mixing circuits
GB647482A (en) Improvements relating to high frequency amplifiers
GB224817A (en) Improvements in or relating to systems of receiving and indirectly amplifying radio frequency electrical oscillatory energy
GB161256A (en) Improvements in and relating to signalling systems applicable to wireless receiving systems and other purposes