GB649786A - Improvements in or relating to circuit arrangements for amplifying and separating two or more oscillations - Google Patents

Improvements in or relating to circuit arrangements for amplifying and separating two or more oscillations

Info

Publication number
GB649786A
GB649786A GB35181/47A GB3518147A GB649786A GB 649786 A GB649786 A GB 649786A GB 35181/47 A GB35181/47 A GB 35181/47A GB 3518147 A GB3518147 A GB 3518147A GB 649786 A GB649786 A GB 649786A
Authority
GB
United Kingdom
Prior art keywords
oscillations
envelope
anode
valve
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
GB35181/47A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB649786A publication Critical patent/GB649786A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
    • H01J43/025—Circuits therefor
    • 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
    • H03D7/10—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 different pairs of electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Amplifiers (AREA)
GB35181/47A 1939-10-10 1947-12-31 Improvements in or relating to circuit arrangements for amplifying and separating two or more oscillations Expired GB649786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL649786X 1939-10-10

Publications (1)

Publication Number Publication Date
GB649786A true GB649786A (en) 1951-01-31

Family

ID=19792024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35181/47A Expired GB649786A (en) 1939-10-10 1947-12-31 Improvements in or relating to circuit arrangements for amplifying and separating two or more oscillations

Country Status (4)

Country Link
US (1) US2273546A (enrdf_load_stackoverflow)
BE (1) BE440540A (enrdf_load_stackoverflow)
FR (1) FR873963A (enrdf_load_stackoverflow)
GB (1) GB649786A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464095A (enrdf_load_stackoverflow) * 1944-03-25
US2615138A (en) * 1948-10-30 1952-10-21 Rca Corp Beam type electron tube
US2675431A (en) * 1949-08-18 1954-04-13 Nat Union Radio Corp Transit time compensated multiplier tube
US2762916A (en) * 1950-07-13 1956-09-11 Hartford Nat Bank & Trust Co Device comprising an electric discharge tube having a concentrated electron beam
NL86332C (enrdf_load_stackoverflow) * 1950-11-27
US2975316A (en) * 1958-01-17 1961-03-14 Rca Corp Beam deflection type electron discharge device

Also Published As

Publication number Publication date
FR873963A (fr) 1942-07-24
US2273546A (en) 1942-02-17
BE440540A (enrdf_load_stackoverflow) 1941-03-31

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