USB498775I5 - - Google Patents

Info

Publication number
USB498775I5
USB498775I5 US49877574A USB498775I5 US B498775 I5 USB498775 I5 US B498775I5 US 49877574 A US49877574 A US 49877574A US B498775 I5 USB498775 I5 US B498775I5
Authority
US
United States
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.)
Pending
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.)
Filing date
Publication date
Application filed filed Critical
Priority to US05/498,775 priority Critical patent/US3993868A/en
Publication of USB498775I5 publication Critical patent/USB498775I5/en
Application granted granted Critical
Publication of US3993868A publication Critical patent/US3993868A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
    • 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
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
US05/498,775 1974-08-19 1974-08-19 Minimum shift keying communication system Expired - Lifetime US3993868A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/498,775 US3993868A (en) 1974-08-19 1974-08-19 Minimum shift keying communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/498,775 US3993868A (en) 1974-08-19 1974-08-19 Minimum shift keying communication system

Publications (2)

Publication Number Publication Date
USB498775I5 true USB498775I5 (en) 1976-03-02
US3993868A US3993868A (en) 1976-11-23

Family

ID=23982444

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/498,775 Expired - Lifetime US3993868A (en) 1974-08-19 1974-08-19 Minimum shift keying communication system

Country Status (1)

Country Link
US (1) US3993868A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158105A (en) 1976-05-21 1979-06-12 Nippon Electric Company, Ltd. Clock extraction device for double-binary phase-shift keying system
US4247943A (en) 1979-05-21 1981-01-27 Northrop Corporation Piecewise coherent, combined frequency and phase-shift-keyed signal demodulator

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072905A (en) * 1977-03-09 1978-02-07 Rca Corporation Wide acquisition range MSK demodulator input circuit
NL7709917A (en) * 1977-09-09 1979-03-13 Philips Nv SYSTEM FOR DATA TRANSMISSION USING AN ANGLE MODULATED CARRIER OF CONSTANT AMPLITUDE.
US4292800A (en) * 1979-09-28 1981-10-06 Parks-Cramer Company Textile machine data link apparatus
US4324001A (en) * 1980-08-15 1982-04-06 Communications Satellite Corporation Synchronizer for MSK burst communications
FR2490902B1 (en) 1980-09-24 1988-02-19 France Etat METHOD FOR GENERATING DUOBINARY FSK, TAMED FSK AND TFM MODULATIONS, AND MODULATORS USING THE SAME
US4481489A (en) * 1981-07-02 1984-11-06 Motorola Inc. Binary signal modulating circuitry for frequency modulated transmitters
DE3129002A1 (en) * 1981-07-22 1983-02-03 Siemens AG, 1000 Berlin und 8000 München Duplex transceiver device
DE3128992A1 (en) * 1981-07-22 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Duplex transceiver device
US4414675A (en) * 1981-08-05 1983-11-08 Motorola, Inc. MSK and OK-QPSK signal demodulator
FR2559003B1 (en) * 1984-01-31 1986-06-20 Lgt Lab Gen Telecomm TRANSMITTER AND ITS USE IN A PERSONAL CALLING NETWORK
US4601048A (en) * 1984-04-02 1986-07-15 Ryan Carl R Serial minimum shift-keyed modem
US4656646A (en) * 1984-06-11 1987-04-07 Motorola, Inc. Serial minimum shift-keyed modem
US4581749A (en) * 1984-07-02 1986-04-08 Motorola, Inc. Data frequency modulator with deviation control
US4648099A (en) * 1984-12-17 1987-03-03 Allied Corporation Digital minimum shift keyed modulator
US4669095A (en) * 1985-09-27 1987-05-26 Motorola, Inc. Maximum distance from zero crossing MSK demodulator
US5014285A (en) * 1989-09-27 1991-05-07 General Electric Company Frequency shift keying communication system with selectable carrier frequencies
US5020079A (en) * 1989-11-17 1991-05-28 Nynex Corporation Apparatus for generating a minimum-shift-keying signal
US5030824A (en) * 1990-02-22 1991-07-09 The Boeing Company Optical position sensor employing encoder delay
US5274672A (en) * 1991-10-31 1993-12-28 Motorola, Inc. Optimized clock recovery for an MSK system
JP2760225B2 (en) * 1992-08-13 1998-05-28 日本電気株式会社 FSK modulator
US5535247A (en) * 1993-09-24 1996-07-09 Motorola, Inc. Frequency modifier for a transmitter
US5633893A (en) * 1994-09-29 1997-05-27 Ericsson Inc. Digital modulation method with controlled envelope variation
US6366620B1 (en) 1994-12-13 2002-04-02 Hughes Electronics Corporation VSAT system
EP0717491B1 (en) * 1994-12-13 2003-02-26 Hughes Electronics Corporation High precision, low phase noise synthesizer with vector modulator
US5483193A (en) * 1995-03-24 1996-01-09 Ford Motor Company Circuit for demodulating FSK signals
US5748679A (en) * 1995-04-28 1998-05-05 Trw Inc. Modulated clock MSK modulator for high data rate applications
US5995812A (en) * 1995-09-01 1999-11-30 Hughes Electronics Corporation VSAT frequency source using direct digital synthesizer
US6097765A (en) 1995-09-05 2000-08-01 Hughes Electronics Corporation Method and apparatus for performing digital fractional minimum shift key modulation for a very small aperture terminal
US5834986A (en) * 1997-10-06 1998-11-10 Trw Inc. Direct 2nd derivative synthesis method for controlling sidelobe energy in an MSK modulated signal
US6236697B1 (en) * 1998-05-28 2001-05-22 Integrated Device Technology, Inc. Clock recovery for multiple frequency input data
WO2003077530A2 (en) * 2002-03-05 2003-09-18 Hitron Usa Quick-release sensor assembly and method
JP5988863B2 (en) * 2012-12-27 2016-09-07 パナソニック株式会社 Receiving apparatus and demodulation method
DE102014201119A1 (en) * 2014-01-22 2015-07-23 Siemens Aktiengesellschaft Transmitting device for transmitting a frequency-modulated signal
WO2021089322A1 (en) * 2019-11-08 2021-05-14 Widex A/S Digital receiver with phase offset compensation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977417A (en) * 1958-08-18 1961-03-28 Collins Radio Co Minimum-shift data communication system
US3146307A (en) * 1961-11-07 1964-08-25 Collins Radio Co Receiver for data with one frequency indicating one binary logic state and another frequency indicating other state
US3484693A (en) * 1966-01-03 1969-12-16 Gen Electric Frequency shifted sliding tone sampled data communication system
US3674934A (en) * 1970-02-24 1972-07-04 Us Navy Minimum shift keyed (msk) phase measurement device
US3731233A (en) * 1971-11-17 1973-05-01 Collins Radio Co Minimum shift keying modulating apparatus
US3743775A (en) * 1972-01-12 1973-07-03 Collins Radio Co Data demodulator apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158105A (en) 1976-05-21 1979-06-12 Nippon Electric Company, Ltd. Clock extraction device for double-binary phase-shift keying system
US4247943A (en) 1979-05-21 1981-01-27 Northrop Corporation Piecewise coherent, combined frequency and phase-shift-keyed signal demodulator

Also Published As

Publication number Publication date
US3993868A (en) 1976-11-23

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