ES319662A1 - Un sistema de modulaciën en cëdigo de impulsos electricos - Google Patents

Un sistema de modulaciën en cëdigo de impulsos electricos

Info

Publication number
ES319662A1
ES319662A1 ES0319662A ES319662A ES319662A1 ES 319662 A1 ES319662 A1 ES 319662A1 ES 0319662 A ES0319662 A ES 0319662A ES 319662 A ES319662 A ES 319662A ES 319662 A1 ES319662 A1 ES 319662A1
Authority
ES
Spain
Prior art keywords
code length
group
pulsers
positive
negative
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
ES0319662A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES319662A1 publication Critical patent/ES319662A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • H03M3/042—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM] with adaptable step size, e.g. adaptive differential pulse code modulation [ADPCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Analogue/Digital Conversion (AREA)
ES0319662A 1964-11-16 1965-11-16 Un sistema de modulaciën en cëdigo de impulsos electricos Expired ES319662A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46535/64A GB1100726A (en) 1964-11-16 1964-11-16 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
ES319662A1 true ES319662A1 (es) 1966-05-01

Family

ID=10441632

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0319662A Expired ES319662A1 (es) 1964-11-16 1965-11-16 Un sistema de modulaciën en cëdigo de impulsos electricos

Country Status (8)

Country Link
US (1) US3492431A (es)
CH (2) CH486807A (es)
DE (1) DE1277330B (es)
ES (1) ES319662A1 (es)
GB (1) GB1100726A (es)
NL (1) NL6514908A (es)
NO (1) NO121282B (es)
SE (1) SE313594B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2077475B1 (es) * 1969-12-31 1976-07-23 Radiotechnique Compelec
US3784737A (en) * 1973-01-12 1974-01-08 United Aircraft Corp Hybrid data compression
FR2273297B1 (es) 1974-02-04 1977-04-15 Canon Kk

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE485549A (es) * 1947-11-08
AT176874B (de) * 1948-10-04 1953-12-10 Philips Nv Übertragungsanlage mit einem Sender und einem Empfänger für Impulskodemodulation
US2759998A (en) * 1951-10-26 1956-08-21 Itt Pulse communication system
DE1076181B (de) * 1958-09-18 1960-02-25 Standard Elektrik Lorenz Ag Anordnung zur Decodierung von PCM-Signalen
NL293852A (es) * 1962-06-08
GB1007669A (en) * 1963-01-15 1965-10-22 Gen Electric Co Ltd Improvements in or relating to decoders for pulse code modulation systems
GB1039341A (en) * 1963-01-25 1966-08-17 Standard Telephones Cables Ltd Improvements in or relating to coding equipment
US3241135A (en) * 1963-03-04 1966-03-15 Philco Corp Aperiodic pulse code modulator or analog to digital converter
US3335409A (en) * 1964-06-25 1967-08-08 Westinghouse Electric Corp Permutation apparatus
US3403226A (en) * 1965-09-30 1968-09-24 Bell Telephone Labor Inc Reduced bandwidth dual mode encoding of video signals
US3393364A (en) * 1965-10-23 1968-07-16 Signatron Statistical delta modulation system

Also Published As

Publication number Publication date
NO121282B (es) 1971-02-08
US3492431A (en) 1970-01-27
DE1277330B (de) 1968-09-12
CH486807A (de) 1970-02-28
SE313594B (es) 1969-08-18
NL6514908A (es) 1966-05-17
CH458436A (de) 1968-06-30
GB1100726A (en) 1968-01-24

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