Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
  • H03J7/02—Automatic frequency control
  • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
  • H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance 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
  • H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit

Applications Claiming Priority (1)

Publications (1)

Family

ID=19863499

Family Applications (1)

Country Status (3)

• 0
  • NL NL117575D patent/NL117575B/xx unknown
  • BE BE465006D patent/BE465006A/xx unknown
• 1946
  • 1946-08-05 FR FR936734D patent/FR936734A/fr not_active Expired

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