FR781611A - Procédé et système de modulation - Google Patents

Procédé et système de modulation

Info

Publication number
FR781611A
FR781611A FR781611DA FR781611A FR 781611 A FR781611 A FR 781611A FR 781611D A FR781611D A FR 781611DA FR 781611 A FR781611 A FR 781611A
Authority
FR
France
Prior art keywords
modulation method
modulation
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
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR781611A publication Critical patent/FR781611A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
FR781611D 1933-11-29 1934-11-21 Procédé et système de modulation Expired FR781611A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US700252A US2054431A (en) 1933-11-29 1933-11-29 Modulation

Publications (1)

Publication Number Publication Date
FR781611A true FR781611A (fr) 1935-05-18

Family

ID=24812785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781611D Expired FR781611A (fr) 1933-11-29 1934-11-21 Procédé et système de modulation

Country Status (3)

Country Link
US (1) US2054431A (fr)
FR (1) FR781611A (fr)
GB (1) GB448043A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577297A (en) * 1944-01-22 1951-12-04 Antranikian Haig Signaling system
US2439890A (en) * 1944-04-24 1948-04-20 Donald L Hings Oscillator control circuit
US2532157A (en) * 1944-10-31 1950-11-28 Rca Corp Variable reactive microwave device
US2461307A (en) * 1944-11-13 1949-02-08 Rauland Corp Modulating system
US2498809A (en) * 1946-10-09 1950-02-28 Gen Railway Signal Co Signal generator
US2624005A (en) * 1947-03-04 1952-12-30 Hartford Nat Bank & Trust Co Stabilized crystal oscillator circuits
US2767374A (en) * 1951-12-12 1956-10-16 Bell Telephone Labor Inc Heterodyne measuring circuits
CN109557867B (zh) * 2019-01-28 2020-11-06 郑州能通网络技术有限公司 一种具有位置检测的电动窗帘

Also Published As

Publication number Publication date
US2054431A (en) 1936-09-15
GB448043A (en) 1936-05-29

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