NL45199C - - Google Patents

Info

Publication number
NL45199C
NL45199C NL45199DA NL45199C NL 45199 C NL45199 C NL 45199C NL 45199D A NL45199D A NL 45199DA NL 45199 C NL45199 C NL 45199C
Authority
NL
Netherlands
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.)
Publication of NL45199C publication Critical patent/NL45199C/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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Geophysics And Detection Of Objects (AREA)
NL45199D 1933-01-14 NL45199C (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
NL45199C true NL45199C (en)

Family

ID=24614104

Family Applications (1)

Application Number Title Priority Date Filing Date
NL45199D NL45199C (en) 1933-01-14

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
FR655738A (en) * 1927-10-22 1929-04-23 Improvements to multi-electrode electron tube frequency changing devices
FR648810A (en) * 1927-10-22 1928-12-14 Electronic tube and its various assembly diagrams
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
BE400782A (en) 1934-02-28
DE971556C (en) 1959-02-19
US2034013A (en) 1936-03-17
FR766792A (en) 1934-07-04

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