CH600689A5 - - Google Patents
Info
- Publication number
- CH600689A5 CH600689A5 CH1349475A CH1349475A CH600689A5 CH 600689 A5 CH600689 A5 CH 600689A5 CH 1349475 A CH1349475 A CH 1349475A CH 1349475 A CH1349475 A CH 1349475A CH 600689 A5 CH600689 A5 CH 600689A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
- H04B14/064—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM] with adaptive feedback
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (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 |
---|---|---|---|
US05/516,252 US3979676A (en) | 1974-10-21 | 1974-10-21 | Delta modulation apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CH600689A5 true CH600689A5 (da) | 1978-06-30 |
Family
ID=24054772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1349475A CH600689A5 (da) | 1974-10-21 | 1975-10-17 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3979676A (da) |
AU (1) | AU502149B2 (da) |
CH (1) | CH600689A5 (da) |
ES (1) | ES441943A1 (da) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4101881A (en) * | 1976-03-15 | 1978-07-18 | Hybrid Systems Corporation | Multiple state responsive delta-sigma converter and delay line |
US4163871A (en) * | 1977-12-22 | 1979-08-07 | International Telephone And Telegraph Corporation | Digital CVSD telephone conference circuit |
US4251804A (en) * | 1978-09-18 | 1981-02-17 | Scardina Mark V | Delta modulation utilizing selectable piecewise linear waveform approximation |
US4275267A (en) * | 1979-05-30 | 1981-06-23 | Koss Corporation | Ambience processor |
US4462106A (en) * | 1982-01-13 | 1984-07-24 | Deltalab Research, Inc. | Digital encoding circuitry |
US4700362A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | A-D encoder and D-A decoder system |
US4987586A (en) * | 1987-07-31 | 1991-01-22 | Compaq Computer Corporation | Modem-telephone interconnect |
US5555438A (en) * | 1991-07-24 | 1996-09-10 | Allen-Bradley Company, Inc. | Method for synchronously transferring serial data to and from an input/output (I/O) module with true and complement error detection coding |
US5557635A (en) * | 1994-01-12 | 1996-09-17 | The United States Of America As Represented By The Secretary Of The Air Force | Voice encode/decode subsystem in a system for acquisition of test data using pulse code modulation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1208774A (en) * | 1967-02-10 | 1970-10-14 | Mini Of Technology | Improvements in or relating to delta-modulation telecommunications apparatus |
BE754963A (fr) * | 1969-08-20 | 1971-02-01 | Western Electric Co | Systeme de communication a impulsions codees differentielles |
US3706944A (en) * | 1970-12-02 | 1972-12-19 | Bell Telephone Labor Inc | Discrete adaptive delta modulator |
US3795900A (en) * | 1971-11-09 | 1974-03-05 | Nasa | Multifunction audio digitizer |
US3757252A (en) * | 1971-12-13 | 1973-09-04 | Univ Sherbrooke | Digital companded delta modulator |
NL155997B (nl) * | 1972-06-24 | 1978-02-15 | Philips Nv | Overdrachtsstelsel. |
US3878465A (en) * | 1972-12-15 | 1975-04-15 | Univ Sherbrooke | Instantaneous adaptative delta modulation system |
-
1974
- 1974-10-21 US US05/516,252 patent/US3979676A/en not_active Expired - Lifetime
-
1975
- 1975-10-10 AU AU85628/75A patent/AU502149B2/en not_active Expired
- 1975-10-17 CH CH1349475A patent/CH600689A5/xx not_active IP Right Cessation
- 1975-10-21 ES ES441943A patent/ES441943A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3979676A (en) | 1976-09-07 |
AU8562875A (en) | 1977-04-21 |
AU502149B2 (en) | 1979-07-12 |
ES441943A1 (es) | 1977-07-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |