CH452597A - Nachrichtenübertragungsanlage - Google Patents

Nachrichtenübertragungsanlage

Info

Publication number
CH452597A
CH452597A CH715265A CH715265A CH452597A CH 452597 A CH452597 A CH 452597A CH 715265 A CH715265 A CH 715265A CH 715265 A CH715265 A CH 715265A CH 452597 A CH452597 A CH 452597A
Authority
CH
Switzerland
Prior art keywords
communication system
communication
Prior art date
Application number
CH715265A
Other languages
English (en)
Inventor
Rabow Gerald
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH452597A publication Critical patent/CH452597A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • 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
    • H04L25/4917—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 using multilevel codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • 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
    • 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
    • H04L5/04—Channels characterised by the type of signal the signals being represented by different amplitudes or polarities, e.g. quadriplex
    • 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
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
CH715265A 1964-05-21 1965-05-21 Nachrichtenübertragungsanlage CH452597A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US369234A US3398239A (en) 1964-05-21 1964-05-21 Multilevel coded communication system employing frequency-expanding code conversion

Publications (1)

Publication Number Publication Date
CH452597A true CH452597A (de) 1968-03-15

Family

ID=23454663

Family Applications (1)

Application Number Title Priority Date Filing Date
CH715265A CH452597A (de) 1964-05-21 1965-05-21 Nachrichtenübertragungsanlage

Country Status (8)

Country Link
US (1) US3398239A (de)
BE (1) BE664127A (de)
CH (1) CH452597A (de)
DE (1) DE1284454B (de)
ES (1) ES313152A1 (de)
FR (1) FR1443424A (de)
GB (1) GB1089446A (de)
NL (1) NL6506404A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114845B1 (de) * 1968-07-22 1976-05-12
GB1238113A (de) * 1969-03-07 1971-07-07
US3603976A (en) * 1969-09-24 1971-09-07 Nasa Modular encoder
FR2251960B1 (de) * 1973-11-16 1977-08-12 Thomson Csf
US4001563A (en) * 1974-09-17 1977-01-04 Thomson-Csf Communication system for disseminating coded digital data in analogue form utilizing an orthogonal transformation
JPS5591009A (en) * 1978-12-28 1980-07-10 Canon Inc Switching control unit
US5485977A (en) * 1994-09-26 1996-01-23 Union Switch & Signal Inc. Reduced harmonic switching mode apparatus and method for railroad vehicle signaling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977416A (en) * 1950-12-11 1961-03-28 Nat Res Dev Electric signalling systems
US2905812A (en) * 1955-04-18 1959-09-22 Collins Radio Co High information capacity phase-pulse multiplex system
DE1061832B (de) * 1958-05-03 1959-07-23 Telefunken Gmbh UEbertragungssystem fuer binaer codierte Signale mit verminderter Bandbreite
US3030614A (en) * 1959-09-03 1962-04-17 Space General Corp Telemetry system
US3036157A (en) * 1960-05-09 1962-05-22 Gen Dynamics Corp Orthogonal function communication system

Also Published As

Publication number Publication date
FR1443424A (fr) 1966-06-24
GB1089446A (en) 1967-11-01
BE664127A (de) 1965-11-19
ES313152A1 (es) 1966-04-01
US3398239A (en) 1968-08-20
NL6506404A (de) 1965-11-22
DE1284454B (de) 1968-12-05

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