SE340294B - - Google Patents
Info
- Publication number
- SE340294B SE340294B SE06143/69*A SE614369A SE340294B SE 340294 B SE340294 B SE 340294B SE 614369 A SE614369 A SE 614369A SE 340294 B SE340294 B SE 340294B
- Authority
- SE
- Sweden
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
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
- H04B14/048—Non linear compression or expansion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR150085 | 1968-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE340294B true SE340294B (fr) | 1971-11-15 |
Family
ID=8649639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE06143/69*A SE340294B (fr) | 1968-04-30 | 1969-04-30 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3579232A (fr) |
| BE (1) | BE732320A (fr) |
| CH (1) | CH498524A (fr) |
| ES (1) | ES366643A2 (fr) |
| FR (1) | FR1577433A (fr) |
| GB (1) | GB1259359A (fr) |
| NL (1) | NL6906644A (fr) |
| SE (1) | SE340294B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893102A (en) * | 1973-11-02 | 1975-07-01 | Bell Telephone Labor Inc | Digital-to-analog converter using differently decoded bit groups |
| US4006475A (en) * | 1973-12-04 | 1977-02-01 | Bell Telephone Laboratories, Incorporated | Digital-to-analog converter with digitally distributed amplitude supplement |
| US3987436A (en) * | 1975-05-01 | 1976-10-19 | Bell Telephone Laboratories, Incorporated | Digital-to-analog decoder utilizing time interpolation and reversible accumulation |
| US4177457A (en) * | 1977-12-12 | 1979-12-04 | Texaco Inc. | Floating point playback system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1066824A (en) * | 1962-10-11 | 1967-04-26 | Nippon Electric Co | A decoding circuit with non-linear companding characteristics |
| GB1039342A (en) * | 1963-04-17 | 1966-08-17 | Standard Telephones Cables Ltd | Improvements in or relating to decoding equipment |
| FR1357668A (fr) * | 1963-02-04 | 1964-04-10 | Labo Cent Telecommunicat | Perfectionnements aux dispositifs de codage et de décodage non linéaires |
| US3310799A (en) * | 1963-04-12 | 1967-03-21 | Nippon Electric Co | Non-linear digital to analogue converter |
| NL6409481A (fr) * | 1963-08-26 | 1965-03-01 | ||
| US3366947A (en) * | 1964-01-08 | 1968-01-30 | Fujitsu Ltd | Non-linear pcm decoder |
| US3377586A (en) * | 1964-03-12 | 1968-04-09 | Nippon Electric Co | Decoder with bipolar-hyperbolic companding characteristics |
-
1968
- 1968-04-30 FR FR150085A patent/FR1577433A/fr not_active Expired
-
1969
- 1969-04-23 US US818554A patent/US3579232A/en not_active Expired - Lifetime
- 1969-04-23 GB GB1259359D patent/GB1259359A/en not_active Expired
- 1969-04-29 ES ES366643A patent/ES366643A2/es not_active Expired
- 1969-04-29 NL NL6906644A patent/NL6906644A/xx unknown
- 1969-04-30 CH CH656469A patent/CH498524A/fr not_active IP Right Cessation
- 1969-04-30 SE SE06143/69*A patent/SE340294B/xx unknown
- 1969-04-30 BE BE732320D patent/BE732320A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES366643A2 (es) | 1971-03-16 |
| FR1577433A (fr) | 1969-08-08 |
| NL6906644A (fr) | 1969-11-03 |
| BE732320A (fr) | 1969-10-30 |
| GB1259359A (fr) | 1972-01-05 |
| US3579232A (en) | 1971-05-18 |
| CH498524A (fr) | 1970-10-31 |