BE473323A - - Google Patents
Info
- Publication number
- BE473323A BE473323A BE473323DA BE473323A BE 473323 A BE473323 A BE 473323A BE 473323D A BE473323D A BE 473323DA BE 473323 A BE473323 A BE 473323A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/82—Digital/analogue converters with intermediate conversion to time interval
- H03M1/822—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation
- H03M1/827—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation in which the total pulse width is distributed over multiple shorter pulse widths
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US603990A US2464607A (en) | 1945-07-09 | 1945-07-09 | Pulse code modulation communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE473323A true BE473323A (en) | 1900-01-01 |
Family
ID=24417729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE473323D BE473323A (en) | 1945-07-09 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2464607A (en) |
BE (1) | BE473323A (en) |
CH (1) | CH287037A (en) |
DE (1) | DE892605C (en) |
FR (1) | FR946925A (en) |
GB (1) | GB630095A (en) |
NL (1) | NL77660C (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE473323A (en) * | 1945-07-09 | 1900-01-01 | ||
US2629857A (en) * | 1946-08-10 | 1953-02-24 | Int Standard Electric Corp | Communication system utilizing constant amplitude pulses of opposite polarities |
US2640105A (en) * | 1947-10-10 | 1953-05-26 | Bell Telephone Labor Inc | Wave transmission system and method for synthesizing a given electrical characteristic |
US2610295A (en) * | 1947-10-30 | 1952-09-09 | Bell Telephone Labor Inc | Pulse code modulation communication system |
GB644932A (en) * | 1948-01-16 | 1950-10-18 | Standard Telephones Cables Ltd | Improvements in or relating to signal compression and expansion arrangements in electric communication systems |
GB664401A (en) * | 1948-03-25 | 1952-01-09 | Nat Res Dev | Improvements in thermionic valve circuits |
US2541932A (en) * | 1948-05-19 | 1951-02-13 | Bell Telephone Labor Inc | Multiplex speech interpolation system |
BE489190A (en) * | 1948-05-22 | |||
US2592308A (en) * | 1948-09-01 | 1952-04-08 | Bell Telephone Labor Inc | Nonlinear pulse code modulation system |
US2603714A (en) * | 1948-09-01 | 1952-07-15 | Bell Telephone Labor Inc | Percentage time division multiplex for pulse code modulation |
BE491489A (en) * | 1948-10-04 | |||
US2710397A (en) * | 1950-06-24 | 1955-06-07 | George E Foster | Electrical measuring apparatus |
FR1113752A (en) * | 1950-09-22 | 1956-04-04 | Thomson Houston Comp Francaise | Modulation device for pulse code communication systems |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1928093A (en) * | 1927-04-11 | 1933-09-26 | Harold B Coyle | Signaling system |
BE428656A (en) * | 1937-06-18 | |||
US2262838A (en) * | 1937-11-19 | 1941-11-18 | Int Standard Electric Corp | Electric signaling system |
US2352634A (en) * | 1938-07-18 | 1944-07-04 | Maury I Hull | Signaling system |
NL87334C (en) * | 1938-10-03 | |||
US2415329A (en) * | 1944-11-06 | 1947-02-04 | Arndt Oscar | Center drill |
US2508622A (en) * | 1945-07-09 | 1950-05-23 | Bell Telephone Labor Inc | Pulse code modulation communication system |
BE473323A (en) * | 1945-07-09 | 1900-01-01 |
-
0
- BE BE473323D patent/BE473323A/xx unknown
- NL NL77660D patent/NL77660C/xx active
-
1945
- 1945-07-09 US US603990A patent/US2464607A/en not_active Expired - Lifetime
-
1947
- 1947-05-02 GB GB11874/47A patent/GB630095A/en not_active Expired
- 1947-05-19 CH CH287037D patent/CH287037A/en unknown
- 1947-05-19 FR FR946925D patent/FR946925A/en not_active Expired
-
1948
- 1948-12-31 DE DEP28894A patent/DE892605C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB630095A (en) | 1949-10-05 |
CH287037A (en) | 1952-11-15 |
US2464607A (en) | 1949-03-15 |
FR946925A (en) | 1949-06-17 |
DE892605C (en) | 1953-10-08 |
NL77660C (en) | 1900-01-01 |