FR1337901A - Appareil de communication - Google Patents

Appareil de communication

Info

Publication number
FR1337901A
FR1337901A FR906729A FR906729A FR1337901A FR 1337901 A FR1337901 A FR 1337901A FR 906729 A FR906729 A FR 906729A FR 906729 A FR906729 A FR 906729A FR 1337901 A FR1337901 A FR 1337901A
Authority
FR
France
Prior art keywords
communication device
communication
Prior art date
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
FR906729A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1337901A publication Critical patent/FR1337901A/fr
Expired 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
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/58—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being tunnel diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR906729A 1961-08-10 1962-08-10 Appareil de communication Expired FR1337901A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US130610A US3110862A (en) 1961-08-10 1961-08-10 Coherent carrier regenerator
US130626A US3138665A (en) 1961-08-10 1961-08-10 Phase position modulator

Publications (1)

Publication Number Publication Date
FR1337901A true FR1337901A (fr) 1963-09-20

Family

ID=26828642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR906729A Expired FR1337901A (fr) 1961-08-10 1962-08-10 Appareil de communication

Country Status (4)

Country Link
US (2) US3138665A (fr)
DE (1) DE1213889B (fr)
FR (1) FR1337901A (fr)
GB (1) GB1017998A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL302427A (fr) * 1962-12-22
US5018685A (en) * 1964-05-27 1991-05-28 The United States Of America As Represented By The Secretary Of The Navy Data link and return link
US5004185A (en) * 1964-08-31 1991-04-02 The United States Of America As Represented By The Secretary Of The Navy Air-surface-missile data link system
US3440567A (en) * 1966-09-28 1969-04-22 Bell Telephone Labor Inc High-speed frequency modulation deviator
US4656647A (en) * 1985-05-17 1987-04-07 William Hotine Pulsed bi-phase digital modulator system
US20060093046A1 (en) * 2002-10-07 2006-05-04 Makoto Nakamura Digital communication method and digital communication device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB413383A (en) * 1933-01-25 1934-07-19 Leonard Ernest Ryall Variable attenuation networks capable of providing automatic volume control of alternating signal currents
US2712637A (en) * 1951-04-25 1955-07-05 Robert W Jones Variable reactance circuits
US2979611A (en) * 1957-12-16 1961-04-11 Itt Synchronous demodulation system
US2994063A (en) * 1960-03-21 1961-07-25 Gen Electric Remote wireless control system

Also Published As

Publication number Publication date
US3110862A (en) 1963-11-12
DE1213889B (de) 1966-04-07
GB1017998A (en) 1966-01-26
US3138665A (en) 1964-06-23

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