BE638037A - - Google Patents

Info

Publication number
BE638037A
BE638037A BE638037DA BE638037A BE 638037 A BE638037 A BE 638037A BE 638037D A BE638037D A BE 638037DA BE 638037 A BE638037 A BE 638037A
Authority
BE
Belgium
Application number
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 of BE638037A publication Critical patent/BE638037A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BE638037D 1962-10-01 BE638037A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US227345A US3205441A (en) 1962-10-01 1962-10-01 Frequency shift signaling system

Publications (1)

Publication Number Publication Date
BE638037A true BE638037A (fr)

Family

ID=22852724

Family Applications (1)

Application Number Title Priority Date Filing Date
BE638037D BE638037A (fr) 1962-10-01

Country Status (4)

Country Link
US (1) US3205441A (fr)
BE (1) BE638037A (fr)
DE (1) DE1237615B (fr)
NL (1) NL298662A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271588A (en) * 1963-08-07 1966-09-06 Tele Signal Corp Digital keyer for converting d. c. binary signals into two different output audio frequencies
US3444320A (en) * 1964-03-21 1969-05-13 Nippon Electric Co Time division frequency shift transmission system
US3470473A (en) * 1965-10-29 1969-09-30 Rfl Ind Inc High speed data transmission system which modulates a high frequency,fsk oscillator to a lower transmission frequency
US3458835A (en) * 1965-12-17 1969-07-29 Xerox Corp Facsimile phase coherent synchronization
FR1496141A (fr) * 1966-06-03 1967-09-29 Cit Alcatel Générateur d'ondes modulées en fréquence
GB1210816A (en) * 1967-07-19 1970-11-04 Marconi Co Ltd Improvements in or relating to frequency shift telegraph systems
US3548309A (en) * 1967-09-14 1970-12-15 Bell Telephone Labor Inc Data rate converter
US3518552A (en) * 1968-03-27 1970-06-30 Motorola Inc Multi-frequency signal generation
US3582782A (en) * 1968-04-24 1971-06-01 Bell Telephone Labor Inc Harmonic sine wave data transmission system
US3614624A (en) * 1969-04-01 1971-10-19 Ncr Co Device for translating binary data to a jitter-controlled asynchronous frequency modulated signal
US3585503A (en) * 1969-10-31 1971-06-15 Us Army Binary psk transmission using two closely related frequencies to eliminate phase discontinuity
US3663754A (en) * 1970-05-18 1972-05-16 Totuus Communications Inc Communication system having modulator for generating orthogonal continuous phase synchronous binary fsk
US3932704A (en) * 1970-08-19 1976-01-13 Coherent Communications System Corporation Coherent digital frequency shift keying system
JPS5717389B2 (fr) * 1973-08-24 1982-04-10
JPS5055250A (fr) * 1973-09-12 1975-05-15
US3938045A (en) * 1974-07-03 1976-02-10 Rca Corporation Transmitter for frequency shift keyed modulation
US4118662A (en) * 1977-06-24 1978-10-03 Harold James Weber Apparatus including bifrequency electromagnetic wave generation means for sympathetic excitation of detached conductive structures
GB1566095A (en) 1978-05-13 1980-04-30 Marconi Co Ltd Modulation circuits
JPS5537002A (en) * 1978-08-24 1980-03-14 Fujitsu Ltd Fs modulation system
JPS5564463A (en) * 1978-11-08 1980-05-15 Hitachi Denshi Ltd Data transmitter
JPS63180294A (ja) * 1987-01-22 1988-07-25 Man Design Kk 測定デ−タ送信装置
US6185264B1 (en) * 1997-12-17 2001-02-06 Ove Kris Gashus Apparatus and method for frequency shift keying
WO2008030250A2 (fr) * 2006-09-07 2008-03-13 William Marsh Rice University Détecteur spectroscopique laser à processeur intégré

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031527A (en) * 1959-09-08 1962-04-24 Manson Lab Inc Ultra stable frequency shift keying system
US3121197A (en) * 1960-03-08 1964-02-11 Bell Telephone Labor Inc Voice-frequency binary data transmission system with return signal
US3102238A (en) * 1961-11-13 1963-08-27 Collins Radio Co Encoder with one frequency indicating one binary logic state and another frequency indicating other state

Also Published As

Publication number Publication date
NL298662A (fr) 1965-08-10
DE1237615B (de) 1967-03-30
US3205441A (en) 1965-09-07

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