BE591124A - Transmission par impulsions codées à changement alterné. - Google Patents

Transmission par impulsions codées à changement alterné.

Info

Publication number
BE591124A
BE591124A BE591124A BE591124A BE591124A BE 591124 A BE591124 A BE 591124A BE 591124 A BE591124 A BE 591124A BE 591124 A BE591124 A BE 591124A BE 591124 A BE591124 A BE 591124A
Authority
BE
Belgium
Prior art keywords
pulse transmission
coded pulse
alternate change
change coded
alternate
Prior art date
Application number
BE591124A
Other languages
English (en)
Inventor
Robert Lawrence Carbrey
Original Assignee
Western Electric Co
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 filed Critical Western Electric Co
Publication of BE591124A publication Critical patent/BE591124A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/32—Analogue/digital converters pattern-reading type using cathode-ray tubes or analoguous two-dimensional deflection systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
    • H04N7/56—Synchronising systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Television Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE591124A 1959-06-15 1960-05-23 Transmission par impulsions codées à changement alterné. BE591124A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US820307A US3038029A (en) 1959-06-15 1959-06-15 Pulse transmission of alternate interchange code

Publications (1)

Publication Number Publication Date
BE591124A true BE591124A (fr) 1960-09-16

Family

ID=25230446

Family Applications (1)

Application Number Title Priority Date Filing Date
BE591124A BE591124A (fr) 1959-06-15 1960-05-23 Transmission par impulsions codées à changement alterné.

Country Status (5)

Country Link
US (1) US3038029A (fr)
BE (1) BE591124A (fr)
DE (1) DE1236571B (fr)
GB (2) GB929890A (fr)
NL (2) NL134393C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115550709A (zh) * 2022-01-07 2022-12-30 荣耀终端有限公司 数据处理方法及电子设备

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339142A (en) * 1963-07-01 1967-08-29 Martin Marietta Corp Adaptive pulse transmission system with modified delta modulation and redundant pulse elimination
NL142035B (nl) * 1964-02-08 1974-04-16 Philips Nv Transmissiestelsel voor de overdracht van tweewaardige informatiepulsen met synchronisatie in de ontvanginrichting op ontvangen signaalovergangen.
US3381290A (en) * 1964-09-17 1968-04-30 Ibm Function generator system
US3579110A (en) * 1968-09-20 1971-05-18 Erwin J Hauber Digital data condensation system
JPS4894309A (fr) * 1972-03-11 1973-12-05
US4016555A (en) * 1975-04-07 1977-04-05 Tyrrel Sylvan F Signal converter
US11601307B2 (en) * 2018-12-17 2023-03-07 U-Blox Ag Estimating one or more characteristics of a communications channel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL162008B (nl) * 1950-06-16 Koppers Co Inc Trekmachine met rupsbanden.
US2912684A (en) * 1953-01-23 1959-11-10 Digital Control Systems Inc Single channel transmission system
DE1046680B (de) * 1957-03-20 1958-12-18 Hagenuk Neufeldt Kuhnke Gmbh Schaltungsanordnung zur Verwandlung der in einem mehrstelligen, reflektierten binaeren Codesystem dargestellten Zahlenwerte in proportionale elektrische Spannungen durch lichtelektrische Abtastung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115550709A (zh) * 2022-01-07 2022-12-30 荣耀终端有限公司 数据处理方法及电子设备
CN115550709B (zh) * 2022-01-07 2023-09-26 荣耀终端有限公司 数据处理方法及电子设备

Also Published As

Publication number Publication date
NL134393C (fr) 1900-01-01
NL252213A (fr) 1900-01-01
GB929889A (fr) 1900-01-01
DE1236571B (de) 1967-03-16
US3038029A (en) 1962-06-05
GB929890A (en) 1963-06-26

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