BE779297A - Modem fm synchrone - Google Patents

Modem fm synchrone

Info

Publication number
BE779297A
BE779297A BE779297A BE779297A BE779297A BE 779297 A BE779297 A BE 779297A BE 779297 A BE779297 A BE 779297A BE 779297 A BE779297 A BE 779297A BE 779297 A BE779297 A BE 779297A
Authority
BE
Belgium
Prior art keywords
modem
synchronous
Prior art date
Application number
BE779297A
Other languages
English (en)
Inventor
Patentverwaltung Gmbh. Philips
Original Assignee
Philips Nv
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
Priority claimed from DE19712106836 external-priority patent/DE2106836C3/de
Application filed by Philips Nv filed Critical Philips Nv
Publication of BE779297A publication Critical patent/BE779297A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
BE779297A 1971-02-13 1972-02-11 Modem fm synchrone BE779297A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712106836 DE2106836C3 (de) 1971-02-13 Modem für Ortskabel oder interne Telephonnetze

Publications (1)

Publication Number Publication Date
BE779297A true BE779297A (fr) 1972-08-11

Family

ID=5798655

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779297A BE779297A (fr) 1971-02-13 1972-02-11 Modem fm synchrone

Country Status (9)

Country Link
US (1) US3801911A (fr)
AU (1) AU463594B2 (fr)
BE (1) BE779297A (fr)
CA (1) CA975431A (fr)
DK (1) DK136340C (fr)
FR (1) FR2126886A5 (fr)
GB (1) GB1339866A (fr)
NL (1) NL168100C (fr)
SE (1) SE380153B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869669A (en) * 1973-09-04 1975-03-04 Burroughs Corp System for high frequency digital data transmission
US3980826A (en) * 1973-09-12 1976-09-14 International Business Machines Corporation Means of predistorting digital signals
GB1468245A (en) * 1973-09-24 1977-03-23 Siemens Ag Data transmission system
US4083008A (en) * 1975-04-10 1978-04-04 Blaupunkt-Werke Gmbh Method and circuit for generation of digitally frequency-shiftable electric signals
JPS5831136B2 (ja) * 1978-01-20 1983-07-04 株式会社日立製作所 ディジタル信号伝送方式
FR2529513A1 (fr) * 1982-07-05 1984-01-06 Labinal Dispositif de mesure d'un parametre dans un pneumatique sur une roue, notamment de vehicule automobile
US4596023A (en) * 1983-08-25 1986-06-17 Complexx Systems, Inc. Balanced biphase transmitter using reduced amplitude of longer pulses
US5052020A (en) * 1990-01-18 1991-09-24 Norand Corporation Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
US5055659A (en) * 1990-02-06 1991-10-08 Amtech Technology Corp. High speed system for reading and writing data from and into remote tags

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3139615A (en) * 1962-07-25 1964-06-30 Bell Telephone Labor Inc Three-level binary code transmission
US3230310A (en) * 1962-11-08 1966-01-18 Jr Albert P Brogle Biternary pulse code system

Also Published As

Publication number Publication date
NL168100C (nl) 1982-02-16
DK136340C (da) 1978-02-27
US3801911A (en) 1974-04-02
DK136340B (da) 1977-09-26
DE2106836B2 (de) 1976-10-07
AU3879472A (en) 1973-08-16
FR2126886A5 (fr) 1972-10-06
SE380153B (fr) 1975-10-27
GB1339866A (en) 1973-12-05
CA975431A (en) 1975-09-30
DE2106836A1 (de) 1972-08-24
NL7201676A (fr) 1972-08-15
AU463594B2 (en) 1975-07-31
NL168100B (nl) 1981-09-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN

Effective date: 19860228