FR957756A - - Google Patents

Info

Publication number
FR957756A
FR957756A FR957756DA FR957756A FR 957756 A FR957756 A FR 957756A FR 957756D A FR957756D A FR 957756DA FR 957756 A FR957756 A FR 957756A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR957756A publication Critical patent/FR957756A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/52Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/60Modulators in which carrier or one sideband is wholly or partially suppressed with one sideband wholly or partially suppressed
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/10Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FR957756D 1944-07-21 Expired FR957756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US545934A US2424971A (en) 1944-07-21 1944-07-21 Frequency-shift radio telegraph transmitting system

Publications (1)

Publication Number Publication Date
FR957756A true FR957756A (en) 1950-02-25

Family

ID=24178130

Family Applications (1)

Application Number Title Priority Date Filing Date
FR957756D Expired FR957756A (en) 1944-07-21

Country Status (6)

Country Link
US (1) US2424971A (en)
BE (1) BE480495A (en)
CH (1) CH265359A (en)
FR (1) FR957756A (en)
GB (1) GB645436A (en)
NL (1) NL67418C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596612A (en) * 1943-06-12 1952-05-13 Hartford Nat Bank & Trust Co Signal receiver for carrier-wave telephony systems
BE483326A (en) * 1946-11-02
US2483271A (en) * 1946-11-30 1949-09-27 Frederick W Frink Frequency modulation transmitter
US3274591A (en) * 1947-05-08 1966-09-20 Torrence H Chambers Phase rotation system for use in velocity cancellation moving target radar systems
US2635226A (en) * 1950-01-20 1953-04-14 Collins Radio Co Phase modulation system and apparatus
US2576429A (en) * 1950-01-31 1951-11-27 Jr Oswald G Villard Single side-band signal generator
US2797313A (en) * 1951-03-27 1957-06-25 Hoffman Electronics Corp Radio communication by neutral frequency deviation
US2678385A (en) * 1951-04-16 1954-05-11 Rca Corp Diversity receiver
US2659051A (en) * 1952-04-29 1953-11-10 John F Honey Carrier insertion
US2726368A (en) * 1952-08-16 1955-12-06 Bell Telephone Labor Inc Broad-band phase-shifting circuit
US2935692A (en) * 1954-03-08 1960-05-03 Nathaniel L Cohen Phase control system
DE961718C (en) * 1954-04-02 1957-04-11 Siemens Ag Method for frequency shift keying for the transmission of two messages, in particular for the double F 1 modulation of radio transmitters
US2927159A (en) * 1955-05-03 1960-03-01 Lab For Electronics Inc Frequency-shift keying
BE630765A (en) * 1956-11-08
DE1221667B (en) * 1963-01-03 1966-07-28 Telefunken Patent Method for generating a color carrier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1666206A (en) * 1925-01-15 1928-04-17 Western Electric Co Modulation system
US1831516A (en) * 1928-01-10 1931-11-10 Ralph B Stewart Modulating system and method
US1773116A (en) * 1928-01-24 1930-08-19 American Telephone & Telegraph Single-side-band system
US1935776A (en) * 1929-05-18 1933-11-21 Jr John Hays Hammond Side band reversal transmission system
FR39312E (en) * 1930-05-06 1931-10-12 Radio Electr Soc Fr Improvements in radio communication methods
US2198248A (en) * 1936-09-01 1940-04-23 Rca Corp Method of and means for communication
US2118917A (en) * 1936-09-03 1938-05-31 William G H Finch Dual tone telegraphy system

Also Published As

Publication number Publication date
NL67418C (en)
US2424971A (en) 1947-08-05
CH265359A (en) 1949-11-30
BE480495A (en)
GB645436A (en) 1950-11-01

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