BE489676A - - Google Patents
Info
- Publication number
- BE489676A BE489676A BE489676DA BE489676A BE 489676 A BE489676 A BE 489676A BE 489676D A BE489676D A BE 489676DA BE 489676 A BE489676 A BE 489676A
- Authority
- BE
- Belgium
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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34097A US2643293A (en) | 1948-06-19 | 1948-06-19 | Volume control for pulse code modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489676A true BE489676A (fr) |
Family
ID=21874289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489676D BE489676A (fr) | 1948-06-19 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2643293A (fr) |
| BE (1) | BE489676A (fr) |
| CH (1) | CH316571A (fr) |
| DE (1) | DE976993C (fr) |
| FR (1) | FR988764A (fr) |
| GB (1) | GB652212A (fr) |
| NL (1) | NL81634C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3051791A (en) * | 1957-02-28 | 1962-08-28 | Epsco Inc | Multiplexing means |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB110494A (en) * | 1917-04-11 | 1917-10-25 | Robert Edwin Reardon | Improvements in Target Practice Apparatus for use with Small Arms. |
| US2325854A (en) * | 1942-01-31 | 1943-08-03 | Hayes John Edmund | Low reactance switching device |
| US2429401A (en) * | 1943-06-18 | 1947-10-21 | Arthur C Davis | Coaxial cable device |
| US2432476A (en) * | 1944-11-30 | 1947-12-09 | Sperry Gyroscope Co Inc | Electrical switch device |
-
0
- NL NL81634D patent/NL81634C/xx active
- BE BE489676D patent/BE489676A/xx unknown
-
1948
- 1948-06-19 US US34097A patent/US2643293A/en not_active Expired - Lifetime
-
1949
- 1949-04-29 GB GB11463/49A patent/GB652212A/en not_active Expired
- 1949-06-17 CH CH316571D patent/CH316571A/fr unknown
- 1949-06-17 FR FR988764D patent/FR988764A/fr not_active Expired
-
1950
- 1950-10-01 DE DEI3011A patent/DE976993C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE976993C (de) | 1964-10-29 |
| CH316571A (fr) | 1956-10-15 |
| FR988764A (fr) | 1951-08-31 |
| GB652212A (en) | 1951-04-18 |
| US2643293A (en) | 1953-06-23 |
| NL81634C (fr) |