BE400782A - - Google Patents

Info

Publication number
BE400782A
BE400782A BE400782DA BE400782A BE 400782 A BE400782 A BE 400782A BE 400782D A BE400782D A BE 400782DA BE 400782 A BE400782 A BE 400782A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE400782A publication Critical patent/BE400782A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Geophysics And Detection Of Objects (AREA)
BE400782D 1933-01-14 1934-01-09 BE400782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US651755A US2034013A (en) 1933-01-14 1933-01-14 Oscillator modulator

Publications (1)

Publication Number Publication Date
BE400782A true BE400782A (en) 1934-02-28

Family

ID=24614104

Family Applications (1)

Application Number Title Priority Date Filing Date
BE400782D BE400782A (en) 1933-01-14 1934-01-09

Country Status (6)

Country Link
US (1) US2034013A (en)
BE (1) BE400782A (en)
DE (1) DE971556C (en)
FR (1) FR766792A (en)
GB (1) GB408903A (en)
NL (1) NL45199C (en)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1558437A (en) * 1913-10-29 1925-10-20 Gen Electric Electrical discharge apparatus
US1199180A (en) * 1915-10-09 1916-09-26 Western Electric Co System for the transmission of intelligence.
AT87745B (en) * 1916-05-31 1922-03-27 Siemens Ag Cathode ray relay.
FR505897A (en) * 1916-06-21 1920-08-09 Siemens Ag Vacuum tube with glow wire and auxiliary electrode for controlling the electron current
DE383449C (en) * 1919-08-14 1923-11-08 John Scott Taggart Receiving arrangement for wireless waves using a tube with two grids and two control circuits connected to one of the grids
FR40726E (en) * 1927-06-04 1932-08-22 Electronic tube and its various assembly diagrams
BE352800A (en) * 1927-07-13
FR648810A (en) * 1927-10-22 1928-12-14 Electronic tube and its various assembly diagrams
FR655738A (en) * 1927-10-22 1929-04-23 Improvements to multi-electrode electron tube frequency changing devices
FR670731A (en) * 1929-03-04 1929-12-04 Radio Sonore Et Hippolyte Shap Method and arrangements for implementing the modulation reception method
FR704534A (en) * 1930-01-17 1931-05-21 Thomson Houston Comp Francaise Improvements to special frequency changing oscillating lamps
DE655254C (en) * 1930-02-21 1938-01-12 L L Von Kramolin Overlay receiver with an intermediate frequency formation in a multi-grating tube
FR709196A (en) * 1930-04-11 1931-08-04 Multiple combination station device
FR726537A (en) * 1931-01-22 1932-05-30 Radiotechnique New ways of coupling circuits in devices intended to change the frequency of radio signals
DE744143C (en) * 1932-06-05 1944-01-26 Telefunken Gmbh Overlay receiver with a multi-grid mixing tube
DE653317C (en) * 1932-07-24 1937-11-20 Telefunken Gmbh Electron tubes with cathode, anode and at least four grid electrodes
FR684772A (en) * 1932-07-24 1930-07-01 Advanced training in radio receivers
DE667683C (en) * 1932-10-16 1938-11-18 Telefunken Gmbh Electron tubes with at least three grids arranged between an outermost electrode and the cathode

Also Published As

Publication number Publication date
GB408903A (en) 1934-04-19
DE971556C (en) 1959-02-19
US2034013A (en) 1936-03-17
NL45199C (en)
FR766792A (en) 1934-07-04

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