BE619449A - Transmetteur à modulation de phase - Google Patents

Transmetteur à modulation de phase

Info

Publication number
BE619449A
BE619449A BE619449A BE619449A BE619449A BE 619449 A BE619449 A BE 619449A BE 619449 A BE619449 A BE 619449A BE 619449 A BE619449 A BE 619449A BE 619449 A BE619449 A BE 619449A
Authority
BE
Belgium
Prior art keywords
phase modulation
modulation transmitter
transmitter
phase
modulation
Prior art date
Application number
BE619449A
Other languages
English (en)
Inventor
Paul Abner Baker
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE619449A publication Critical patent/BE619449A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2071—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2092—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
BE619449A 1961-06-28 1962-06-27 Transmetteur à modulation de phase BE619449A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US120312A US3128342A (en) 1961-06-28 1961-06-28 Phase-modulation transmitter

Publications (1)

Publication Number Publication Date
BE619449A true BE619449A (fr) 1962-10-15

Family

ID=22389499

Family Applications (1)

Application Number Title Priority Date Filing Date
BE619449A BE619449A (fr) 1961-06-28 1962-06-27 Transmetteur à modulation de phase

Country Status (4)

Country Link
US (1) US3128342A (fr)
BE (1) BE619449A (fr)
DE (1) DE1166822B (fr)
GB (1) GB1011873A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10873441B2 (en) * 2019-03-29 2020-12-22 Teledyne E2V Semiconductors Sas Method for synchronizing digital data sent in series

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160812A (en) * 1961-11-09 1964-12-08 Scantlin Electronics Inc Composite transmission system utilizing phase shift and amplitude modulation
US3400369A (en) * 1963-01-14 1968-09-03 Raytheon Co Pulse doublet communication system
GB1051757A (fr) * 1963-05-09
US3348149A (en) * 1963-05-24 1967-10-17 Robertshaw Controls Co Serial to diplex conversion system
DE1246017B (de) * 1964-10-13 1967-08-03 Arnstadt Fernmeldewerk UEbertragungsanlage mit einer Schaltungs-anordnung zur Umwandlung eines binaeren Signals und einer Wechselspannung konstanter Frequenz in je eine Impulsfolge mit Pulscode-modulation und umgekehrt, insbesondere zum gleichzeitigen Aussenden und Empfangen der Bildsignale und des Synchronsignals bei drahtloser Faksimileuebertragung
US3414677A (en) * 1964-12-28 1968-12-03 Itt Time-bandwidth reduction by dividing binary type signal into groups and producing coded signal of predetermined characteristic in response to each group
US3459892A (en) * 1965-09-14 1969-08-05 Bendix Corp Digital data transmission system wherein a binary level is represented by a change in the amplitude of the transmitted signal
GB1168073A (en) * 1965-12-30 1969-10-22 Londex Ltd Improvements relating to the Handling of Data
US3510585A (en) * 1967-02-02 1970-05-05 Xerox Corp Multi-level data encoder-decoder with pseudo-random test pattern generation capability
US3643023A (en) * 1968-03-01 1972-02-15 Milgo Electronic Corp Differential phase modulator and demodulator utilizing relative phase differences at the center of the modulation periods
US3619503A (en) * 1969-11-18 1971-11-09 Int Communications Corp Phase and amplitude modulated modem
US3935386A (en) * 1974-09-20 1976-01-27 Teletype Corporation Apparatus for synthesizing phase-modulated carrier wave
US3990009A (en) * 1975-03-14 1976-11-02 Bell Telephone Laboratories, Incorporated Method and apparatus for uniquely encoding channels in a digital transmission system
US4049909A (en) * 1975-10-29 1977-09-20 Bell Telephone Laboratories, Incorporated Digital modulator
US4105863A (en) * 1976-12-20 1978-08-08 Bell Telephone Laboratories, Incorporated Arrangement for combining data symbols in accordance with a predetermined weighting function
DE2833798C2 (de) * 1978-08-02 1982-11-04 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren und Anordnung zur Codierung von Binärwerten durch weiche Phasenumtastung einer Trägerschwingung
NL7901865A (nl) * 1979-03-08 1980-09-10 Philips Nv Systeem voor multiniveau datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude.
US4381560A (en) * 1980-10-24 1983-04-26 Bell Telephone Laboratories, Incorporated Multiplex transmitter apparatus
US4358853A (en) * 1981-01-22 1982-11-09 Codex Corporation Digital modem transmitter
US4747114A (en) * 1984-09-24 1988-05-24 Racal Data Communications Inc. Modem clock with automatic gain control
US4737968A (en) * 1985-10-25 1988-04-12 Phillips Petroleum Company QPSK transmission system having phaselocked tracking filter for spectrum shaping
CN120278079B (zh) * 2025-06-05 2025-08-22 中南大学 二氧化碳水下膨胀做功数值建模方法、计算方法、设备及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905812A (en) * 1955-04-18 1959-09-22 Collins Radio Co High information capacity phase-pulse multiplex system
US2870431A (en) * 1957-01-08 1959-01-20 Collins Radio Co Matrix-controlled phase-pulse generator
US2977417A (en) * 1958-08-18 1961-03-28 Collins Radio Co Minimum-shift data communication system
US2969430A (en) * 1959-03-19 1961-01-24 Collins Radio Co Delay line phase-pulse generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10873441B2 (en) * 2019-03-29 2020-12-22 Teledyne E2V Semiconductors Sas Method for synchronizing digital data sent in series

Also Published As

Publication number Publication date
DE1166822B (de) 1964-04-02
US3128342A (en) 1964-04-07
GB1011873A (en) 1965-12-01

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