NL294442A - - Google Patents

Info

Publication number
NL294442A
NL294442A NL294442DA NL294442A NL 294442 A NL294442 A NL 294442A NL 294442D A NL294442D A NL 294442DA NL 294442 A NL294442 A NL 294442A
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 NL294442A publication Critical patent/NL294442A/xx
Priority claimed from NL294442A external-priority patent/NL139152B/xx
Priority claimed from BE649605A external-priority patent/BE649605A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/12—Channels characterised by the type of signal the signals being represented by different phase modulations of a single carrier
NL294442D 1963-06-21 NL294442A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL294442A NL139152B (nl) 1963-06-21 1963-06-21 Transmissiestelsel voor de overdracht van pulssignalen.
BE649605A BE649605A (de) 1964-06-22 1964-06-22

Publications (1)

Publication Number Publication Date
NL294442A true NL294442A (de)

Family

ID=25655943

Family Applications (1)

Application Number Title Priority Date Filing Date
NL294442D NL294442A (de) 1963-06-21

Country Status (7)

Country Link
US (1) US3378771A (de)
CH (1) CH434356A (de)
DE (1) DE1263822B (de)
DK (1) DK127488B (de)
GB (1) GB1017322A (de)
NL (1) NL294442A (de)
SE (1) SE317098B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522537A (en) * 1966-07-25 1970-08-04 Western Union Telegraph Co Vestigial sideband transmission system having two channels in quadrature
NL6800093A (de) * 1968-01-03 1969-07-07
NL154082B (nl) * 1968-07-09 1977-07-15 Philips Nv Inrichting voor overdracht van rechthoekige synchrone informatiepulsen.
US3546588A (en) * 1968-09-17 1970-12-08 Bell Telephone Labor Inc Phase hit monitor-counter
US3732375A (en) * 1969-01-24 1973-05-08 Nippon Electric Co Paired signal transmission system utilizing quadrature modulation
CH505510A (de) * 1969-08-29 1971-03-31 Patelhold Patentverwertung Verfahren zur Mitübertragung der tiefen Signalfrequenzkomponenten eines Nachrichtensignals
DE2331601C2 (de) * 1973-06-20 1975-08-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur phasenregelung eines Taktsignals
US4006418A (en) * 1975-05-14 1977-02-01 Raytheon Company Quaternary phase-shift keying with time delayed channel
GB1561643A (en) * 1975-08-05 1980-02-27 Marconi Co Ltd Phaseshift-keying modulators
JPS57183161A (en) * 1981-05-07 1982-11-11 Nec Corp 2n-phase phase modulator
US4464767A (en) * 1981-09-08 1984-08-07 Paradyne Corporation System for generation of multiple pointed QAM signal spaces by use of synchronous Qam transmitters
CA1214277A (en) * 1982-12-07 1986-11-18 Josef Dirr Method for the transmission of information, in which the signals are coded by way of the magnitude of the amplitudes of the half-waves or periods of a sinus- wave alternating current
CA1217233A (en) * 1982-12-29 1987-01-27 Susumu Sasaki Qam with dc bias in one channel
CA1232022A (en) * 1983-11-30 1988-01-26 Eisuke Fukuda Radio communication system
US4654705A (en) * 1983-12-30 1987-03-31 Zenith Electronics Corporation Two channel audio scrambling system
US4737969A (en) * 1987-01-28 1988-04-12 Motorola, Inc. Spectrally efficient digital modulation method and apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123670A (en) * 1964-03-03 Filter
US3031529A (en) * 1958-07-21 1962-04-24 Philco Corp Phase-frequency control system for carrier-multiplex receiver

Also Published As

Publication number Publication date
US3378771A (en) 1968-04-16
CH434356A (de) 1967-04-30
GB1017322A (en) 1966-01-19
DE1263822B (de) 1968-03-21
DK127488B (da) 1973-11-12
SE317098B (de) 1969-11-10

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