Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C1/00—Amplitude modulation
  • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
  • H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
  • H03C1/24—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to different grid
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
  • F16L27/00—Adjustable joints; Joints allowing movement
  • F16L27/08—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe
  • F16L27/0804—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
  • F16L27/0808—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
  • F16L27/0824—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings
  • F16L27/0828—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings having radial bearings
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
  • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
  • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
  • H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C3/00—Angle modulation
  • H03C3/02—Details
  • H03C3/09—Modifications of modulator for regulating the mean frequency
• • 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
  • H03C3/16—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 in which the active element simultaneously serves as the active element of an oscillator
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C3/00—Angle modulation
  • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
  • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Oscillators With Electromechanical Resonators (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=24469026

Family Applications (1)

Country Status (4)

Families Citing this family (3)

Family Cites Families (4)

• 0
  • BE BE475401D patent/BE475401A/xx unknown
• 1945
  • 1945-09-14 US US616343A patent/US2489327A/en not_active Expired - Lifetime
• 1946
  • 1946-11-14 FR FR938464D patent/FR938464A/fr not_active Expired
• 1947
  • 1947-06-18 FR FR56830D patent/FR56830E/fr not_active Expired
  • 1947-07-02 ES ES0178729A patent/ES178729A1/es not_active Expired

Also Published As

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