FR882808A - Method and apparatus for frequency modulation - Google Patents

Method and apparatus for frequency modulation

Info

Publication number
FR882808A
FR882808A FR882808DA FR882808A FR 882808 A FR882808 A FR 882808A FR 882808D A FR882808D A FR 882808DA FR 882808 A FR882808 A FR 882808A
Authority
FR
France
Prior art keywords
frequency modulation
modulation
frequency
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)
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 FR882808A publication Critical patent/FR882808A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
FR882808D 1940-05-31 1941-05-28 Method and apparatus for frequency modulation Expired FR882808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US337986A US2280707A (en) 1940-05-31 1940-05-31 Apparatus for and method of frequency modulating

Publications (1)

Publication Number Publication Date
FR882808A true FR882808A (en) 1943-06-16

Family

ID=23322906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR882808D Expired FR882808A (en) 1940-05-31 1941-05-28 Method and apparatus for frequency modulation

Country Status (2)

Country Link
US (1) US2280707A (en)
FR (1) FR882808A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462134A (en) * 1949-02-22 Remote control arrangement
US2542700A (en) * 1942-02-20 1951-02-20 Rca Corp Pulse modulation system
NL69841C (en) * 1942-03-27
US2438927A (en) * 1942-08-24 1948-04-06 Standard Telephones Cables Ltd Modulation means and method
BE474798A (en) * 1942-08-24
US2629867A (en) * 1943-04-17 1953-02-24 Allen H Schooley Range aperturing device
US2498675A (en) * 1943-05-24 1950-02-28 Standard Telephones Cables Ltd Radio receiver
US2590306A (en) * 1943-05-29 1952-03-25 Rca Corp Combined television and sound system
US2445568A (en) * 1943-10-07 1948-07-20 Farnsworth Res Corp Modulating system
US2434920A (en) * 1943-11-23 1948-01-27 Standard Telephones Cables Ltd Pulse generator system
US2432204A (en) * 1944-01-05 1947-12-09 Rca Corp Pulse modulation system
US2444479A (en) * 1944-01-08 1948-07-06 Rca Corp Frequency-modulated pulse generator
US2435496A (en) * 1944-03-16 1948-02-03 Radio Patents Corp Impulse modulation system
US2485611A (en) * 1944-04-07 1949-10-25 Standard Telephones Cables Ltd Broadcasting system
BE475385A (en) * 1944-07-17
US2455616A (en) * 1944-11-15 1948-12-07 Remco Electronic Inc Transientless modulator system for keying
US2552527A (en) * 1945-03-28 1951-05-15 Sperry Corp Automatic gain-control system for radar direction indicators
US2467793A (en) * 1945-05-19 1949-04-19 Westinghouse Electric Corp Radio communication system
US2479947A (en) * 1945-07-17 1949-08-23 Pye Ltd Generator of time modulated pulses
US2470028A (en) * 1946-01-18 1949-05-10 Bendix Aviat Corp Pulse generation
US2496819A (en) * 1946-02-04 1950-02-07 Albert R Simpson Pulse generator
BE474332A (en) * 1946-07-10
US2589285A (en) * 1946-09-11 1952-03-18 Fed Telecomm Lab Inc Communication system
US2498809A (en) * 1946-10-09 1950-02-28 Gen Railway Signal Co Signal generator
US2507170A (en) * 1946-10-23 1950-05-09 Rca Corp Timing modulation
US2578643A (en) * 1947-02-28 1951-12-11 Wurlitzer Co Telemetering system
US2566826A (en) * 1948-02-03 1951-09-04 James R Day Sawtooth frequency modulator
US2550878A (en) * 1948-11-19 1951-05-01 Hans H Staub Pulsing circuit

Also Published As

Publication number Publication date
US2280707A (en) 1942-04-21

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