BE781628A - Convertisseur de signal numerique module en delta - Google Patents
Convertisseur de signal numerique module en deltaInfo
- Publication number
- BE781628A BE781628A BE781628A BE781628A BE781628A BE 781628 A BE781628 A BE 781628A BE 781628 A BE781628 A BE 781628A BE 781628 A BE781628 A BE 781628A BE 781628 A BE781628 A BE 781628A
- Authority
- BE
- Belgium
- Prior art keywords
- delta
- digital signal
- signal converter
- converter module
- module
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3048—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM]
- H03M7/3051—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM] adaptive, e.g. adaptive delta modulation [ADM]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13205971A | 1971-04-07 | 1971-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE781628A true BE781628A (fr) | 1972-07-31 |
Family
ID=22452261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE781628A BE781628A (fr) | 1971-04-07 | 1972-04-04 | Convertisseur de signal numerique module en delta |
Country Status (6)
Country | Link |
---|---|
US (1) | US3703688A (de) |
JP (1) | JPS557971B1 (de) |
BE (1) | BE781628A (de) |
DE (1) | DE2216069C3 (de) |
FR (1) | FR2132728B1 (de) |
GB (1) | GB1356209A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3855555A (en) * | 1970-09-04 | 1974-12-17 | Industrial Research Prod Inc | Delta modulator having low-level random noise characteristic |
US3878465A (en) * | 1972-12-15 | 1975-04-15 | Univ Sherbrooke | Instantaneous adaptative delta modulation system |
NL7400764A (nl) * | 1974-01-21 | 1975-07-23 | Philips Nv | Digitale inrichting voor het omzetten van ge- comprimeerde delta gemoduleerde signalen in pcm-signalen. |
US4035724A (en) * | 1974-05-08 | 1977-07-12 | Universite De Sherbrooke | Digital converter from continuous variable slope delta modulation to pulse code modulation |
US3903401A (en) * | 1974-06-27 | 1975-09-02 | Bell Telephone Labor Inc | Spectrum analyzer using delta modulation encoding |
US3949299A (en) * | 1974-11-05 | 1976-04-06 | North Electric Company | Signal coding for telephone communication system |
US4709375A (en) * | 1983-09-27 | 1987-11-24 | Robinton Products, Inc. | Digital phase selection system for signal multipliers |
US4700362A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | A-D encoder and D-A decoder system |
US5832490A (en) * | 1996-05-31 | 1998-11-03 | Siemens Medical Systems, Inc. | Lossless data compression technique that also facilitates signal analysis |
GB0414420D0 (en) * | 2004-06-28 | 2004-07-28 | Cambridge Silicon Radio Ltd | Speech activity detection |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2852745A (en) * | 1953-11-05 | 1958-09-16 | Bell Telephone Labor Inc | Conversion of two-valued codes |
US3339142A (en) * | 1963-07-01 | 1967-08-29 | Martin Marietta Corp | Adaptive pulse transmission system with modified delta modulation and redundant pulse elimination |
US3394313A (en) * | 1964-09-14 | 1968-07-23 | Navy Usa | Symmetrically phase modulated transmission system with multi-lobed modulating signals |
US3500205A (en) * | 1966-06-14 | 1970-03-10 | Gen Electric Co Ltd | Communication systems employing code modulation |
-
1971
- 1971-04-07 US US132059A patent/US3703688A/en not_active Expired - Lifetime
-
1972
- 1972-04-01 DE DE2216069A patent/DE2216069C3/de not_active Expired
- 1972-04-04 BE BE781628A patent/BE781628A/xx not_active IP Right Cessation
- 1972-04-06 FR FR7212140A patent/FR2132728B1/fr not_active Expired
- 1972-04-07 JP JP3452872A patent/JPS557971B1/ja active Pending
- 1972-05-05 GB GB1557272*[A patent/GB1356209A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS557971B1 (de) | 1980-02-29 |
GB1356209A (en) | 1974-06-12 |
US3703688A (en) | 1972-11-21 |
FR2132728A1 (de) | 1972-11-24 |
DE2216069C3 (de) | 1981-05-21 |
DE2216069A1 (de) | 1972-10-12 |
FR2132728B1 (de) | 1975-03-21 |
DE2216069B2 (de) | 1980-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: WESTERN ELECTRIC CY INC. Effective date: 19910430 |