FR938464A - Improvements to electric oscillators - Google Patents

Improvements to electric oscillators

Info

Publication number
FR938464A
FR938464A FR938464DA FR938464A FR 938464 A FR938464 A FR 938464A FR 938464D A FR938464D A FR 938464DA FR 938464 A FR938464 A FR 938464A
Authority
FR
France
Prior art keywords
electric oscillators
oscillators
electric
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
George Taylor Royden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR938464A publication Critical patent/FR938464A/en
Expired legal-status Critical Current

Links

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
FR938464D 1945-09-14 1946-11-14 Improvements to electric oscillators Expired FR938464A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US616343A US2489327A (en) 1945-09-14 1945-09-14 Crystal controlled oscillator

Publications (1)

Publication Number Publication Date
FR938464A true FR938464A (en) 1948-09-16

Family

ID=24469026

Family Applications (2)

Application Number Title Priority Date Filing Date
FR938464D Expired FR938464A (en) 1945-09-14 1946-11-14 Improvements to electric oscillators
FR56830D Expired FR56830E (en) 1945-09-14 1947-06-18 Improvements to electric oscillators

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR56830D Expired FR56830E (en) 1945-09-14 1947-06-18 Improvements to electric oscillators

Country Status (4)

Country Link
US (1) US2489327A (en)
BE (1) BE475401A (en)
ES (1) ES178729A1 (en)
FR (2) FR938464A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771508A (en) * 1951-04-27 1956-11-20 Philco Corp Color sampler synchronizing system
US2721977A (en) * 1951-05-09 1955-10-25 Gen Electric Variable amplitude oscillator
US2985845A (en) * 1957-04-05 1961-05-23 Westinghouse Canada Ltd Crystal oscillator keying circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1606791A (en) * 1924-07-18 1926-11-16 Western Electric Co Oscillation generator
US2269417A (en) * 1939-05-13 1942-01-06 Rca Corp Cathode-driven oscillator
GB540941A (en) * 1940-02-15 1941-11-06 Philip Barnet Vanderlyn Improvements in or relating to electric oscillation generating circuits
US2303862A (en) * 1940-06-01 1942-12-01 Rca Corp Oscillation generator and amplifier

Also Published As

Publication number Publication date
FR56830E (en) 1952-10-07
BE475401A (en)
US2489327A (en) 1949-11-29
ES178729A1 (en) 1947-09-01

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