ES319662A1 - Un sistema de modulaciën en cëdigo de impulsos electricos - Google Patents
Un sistema de modulaciën en cëdigo de impulsos electricosInfo
- 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
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Dc Digital Transmission (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
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) | CH458436A (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 (2)
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 |
Family Cites Families (11)
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 |
BE633344A (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 |
-
1964
- 1964-11-16 GB GB46535/64A patent/GB1100726A/en not_active Expired
-
1965
- 1965-10-13 US US495550A patent/US3492431A/en not_active Expired - Lifetime
- 1965-11-11 NO NO160428A patent/NO121282B/no unknown
- 1965-11-12 SE SE14606/65A patent/SE313594B/xx unknown
- 1965-11-13 DE DEJ29379A patent/DE1277330B/de active Pending
- 1965-11-16 CH CH1577965A patent/CH458436A/de unknown
- 1965-11-16 CH CH843067A patent/CH486807A/de not_active IP Right Cessation
- 1965-11-16 NL NL6514908A patent/NL6514908A/xx unknown
- 1965-11-16 ES ES0319662A patent/ES319662A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO121282B (es) | 1971-02-08 |
CH486807A (de) | 1970-02-28 |
DE1277330B (de) | 1968-09-12 |
US3492431A (en) | 1970-01-27 |
NL6514908A (es) | 1966-05-17 |
CH458436A (de) | 1968-06-30 |
SE313594B (es) | 1969-08-18 |
GB1100726A (en) | 1968-01-24 |
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