NL242240A - - Google Patents

Info

Publication number
NL242240A
NL242240A NL242240DA NL242240A NL 242240 A NL242240 A NL 242240A NL 242240D A NL242240D A NL 242240DA NL 242240 A NL242240 A NL 242240A
Authority
NL
Netherlands
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 NL242240A publication Critical patent/NL242240A/xx
Priority claimed from US731334A external-priority patent/US3112448A/en

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
    • H04L27/2035—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 a single or unspecified number of carriers
    • H04L27/2042—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 a single or unspecified number of carriers with more than two phase states
    • H04L27/2046—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 a single or unspecified number of carriers with more than two phase states in which the data are represented by carrier phase
    • 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
    • H04L27/2035—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 a single or unspecified number of carriers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
NL242240D 1958-04-28 NL242240A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US731334A US3112448A (en) 1958-04-28 1958-04-28 Phase shift keying communication system
US192569A US3242431A (en) 1958-04-28 1962-05-04 Phase shift keying communication system
US192568A US3265813A (en) 1958-04-28 1962-05-04 Phase shift keying communication system

Publications (1)

Publication Number Publication Date
NL242240A true NL242240A (zh)

Family

ID=27393067

Family Applications (1)

Application Number Title Priority Date Filing Date
NL242240D NL242240A (zh) 1958-04-28

Country Status (4)

Country Link
US (2) US3242431A (zh)
FR (1) FR1225963A (zh)
GB (1) GB920772A (zh)
NL (1) NL242240A (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493868A (en) * 1967-03-07 1970-02-03 Gen Electric Carrier restoration means for binary signals
GB1368068A (en) * 1971-10-20 1974-09-25 Post Office Digital communication systems
GB1381338A (en) * 1972-05-12 1975-01-22 Post Office Signal receivers
NL7702019A (nl) * 1977-02-25 1978-08-29 Philips Nv Radio-omroepsysteem met zenderkarakterisering.
NL7709619A (nl) * 1977-09-01 1979-03-05 Philips Nv Radio omroepsysteem met kodesignalering.
US4937840A (en) * 1988-11-07 1990-06-26 William Hotine Circuit for pulsed biphase digital modulation
US5182760A (en) * 1990-12-26 1993-01-26 Atlantic Richfield Company Demodulation system for phase shift keyed modulated data transmission
EP1696623B1 (en) * 2005-02-28 2008-04-23 Seiko Epson Corporation Method and apparatus for the coherent demodulation of binary phase shift keying signals (BPSK)
SG176334A1 (en) 2010-05-26 2011-12-29 Agency Science Tech & Res Low-power low-complexity qpsk rf transmitter based on injection-lock technology
US9405035B2 (en) * 2012-01-10 2016-08-02 Halliburton Energy Services, Inc. Enhanced transmitter and method for a nuclear magnetic resonance logging tool

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH254954A (de) * 1945-10-04 1948-05-31 Patelhold Patentverwertung Einrichtung zum Empfang einer phasengetasteten Schwingung.
US2676245A (en) * 1949-12-02 1954-04-20 Collins Radio Co Polar communication system
US2778933A (en) * 1951-08-25 1957-01-22 Sperry Rand Corp Amplitude modulation detector which is phase responsive
US2848628A (en) * 1954-10-06 1958-08-19 Hazeltine Research Inc Transistor ring counter
US2819339A (en) * 1956-01-12 1958-01-07 William E Scoville R. f. phase shift keying system for teletype communication
US2939914A (en) * 1956-03-06 1960-06-07 Philco Corp System for producing a timing signal for use in a binary code receiver
US2991354A (en) * 1959-04-27 1961-07-04 Robertshaw Fulton Controls Co Automatic frequency control for phase shift keying communication system
US3087011A (en) * 1960-02-29 1963-04-23 Philco Corp Color television system

Also Published As

Publication number Publication date
GB920772A (en) 1963-03-13
FR1225963A (fr) 1960-07-06
US3265813A (en) 1966-08-09
US3242431A (en) 1966-03-22

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