FR2283596A1 - Modulateur-demodulateur delta a adaptation amelioree - Google Patents
Modulateur-demodulateur delta a adaptation amelioreeInfo
- Publication number
- FR2283596A1 FR2283596A1 FR7429390A FR7429390A FR2283596A1 FR 2283596 A1 FR2283596 A1 FR 2283596A1 FR 7429390 A FR7429390 A FR 7429390A FR 7429390 A FR7429390 A FR 7429390A FR 2283596 A1 FR2283596 A1 FR 2283596A1
- Authority
- FR
- France
- Prior art keywords
- delta modulator
- demodulator
- logic circuit
- circuit detecting
- binary sequences
- 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.)
- Granted
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
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
- H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7429390A FR2283596A1 (fr) | 1974-08-28 | 1974-08-28 | Modulateur-demodulateur delta a adaptation amelioree |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7429390A FR2283596A1 (fr) | 1974-08-28 | 1974-08-28 | Modulateur-demodulateur delta a adaptation amelioree |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2283596A1 true FR2283596A1 (fr) | 1976-03-26 |
FR2283596B1 FR2283596B1 (fr) | 1977-03-25 |
Family
ID=9142640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7429390A Granted FR2283596A1 (fr) | 1974-08-28 | 1974-08-28 | Modulateur-demodulateur delta a adaptation amelioree |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2283596A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1952379A1 (de) * | 1968-10-18 | 1970-04-23 | Western Electric Co | Delta-Modulationssystem |
CH508318A (de) * | 1968-03-21 | 1971-05-31 | Philips Nv | Anlage zur Signalübertragung durch Impulskodemodulation |
US3806806A (en) * | 1972-11-20 | 1974-04-23 | Bell Telephone Labor Inc | Adaptive data modulator |
-
1974
- 1974-08-28 FR FR7429390A patent/FR2283596A1/fr active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH508318A (de) * | 1968-03-21 | 1971-05-31 | Philips Nv | Anlage zur Signalübertragung durch Impulskodemodulation |
DE1952379A1 (de) * | 1968-10-18 | 1970-04-23 | Western Electric Co | Delta-Modulationssystem |
US3806806A (en) * | 1972-11-20 | 1974-04-23 | Bell Telephone Labor Inc | Adaptive data modulator |
Non-Patent Citations (3)
Title |
---|
AUTEUR: BETTINGER * |
PAGES 224 A 230 * |
REVUE GB "ELECTRICAL COMMUNICATION", VOLUME 47, NO. 4, 1972 ARTICLE: "DIGITAL SPEECH TRANSMISSION FOR MOBILE RADIO SERVICE" * |
Also Published As
Publication number | Publication date |
---|---|
FR2283596B1 (fr) | 1977-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |