Classifications

• • 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
  • H03D7/20—Transference of modulation from one carrier to another, e.g. frequency-changing by means of transit-time tubes
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
  • H01J25/68—Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators
  • H01J25/72—Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators in which a standing wave or a considerable part thereof is produced along an electrode, e.g. Clavier tube
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C3/00—Angle modulation
  • H03C3/10—Angle modulation by means of variable impedance
  • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
  • H03C3/20—Angle modulation by means of variable impedance by means of a variable reactive element the element being a voltage-dependent capacitor
• • 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
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L27/00—Modulated-carrier systems
  • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
  • H04L27/06—Demodulator circuits; Receiver circuits
  • H04L27/063—Superheterodyne receivers

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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9242477

Family Applications (1)

Country Status (3)

Families Citing this family (4)

• 0
  • NL NL48519D patent/NL48519C/xx active
• 1935
  • 1935-04-29 FR FR801196D patent/FR801196A/fr not_active Expired
• 1936
  • 1936-02-29 US US66408A patent/US2141292A/en not_active Expired - Lifetime

Also Published As

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