GB661808A - Improvements relating to pulse code signalling systems - Google Patents
Improvements relating to pulse code signalling systemsInfo
- Publication number
- GB661808A GB661808A GB14047/49A GB1404749A GB661808A GB 661808 A GB661808 A GB 661808A GB 14047/49 A GB14047/49 A GB 14047/49A GB 1404749 A GB1404749 A GB 1404749A GB 661808 A GB661808 A GB 661808A
- Authority
- GB
- United Kingdom
- Prior art keywords
- masking
- apertures
- pulse code
- electrodes
- electrode
- 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.)
- Expired
Links
- 230000011664 signaling Effects 0.000 title 1
- 230000000873 masking effect Effects 0.000 abstract 4
- 230000000295 complement effect Effects 0.000 abstract 1
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
-
- 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
- H03M1/22—Analogue/digital converters pattern-reading type
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Electron Beam Exposure (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Measurement Of Radiation (AREA)
- Electron Tubes For Measurement (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2646548X | 1948-07-21 | ||
FR969942T | 1948-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB661808A true GB661808A (en) | 1951-11-28 |
Family
ID=32299542
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14047/49A Expired GB661808A (en) | 1948-07-21 | 1949-05-25 | Improvements relating to pulse code signalling systems |
GB2011/52A Expired GB701347A (en) | 1948-07-21 | 1952-01-24 | Improvements in or relating to electric pulse coding signalling systems |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2011/52A Expired GB701347A (en) | 1948-07-21 | 1952-01-24 | Improvements in or relating to electric pulse coding signalling systems |
Country Status (7)
Country | Link |
---|---|
US (1) | US2646548A (fr) |
BE (2) | BE508629A (fr) |
CH (2) | CH287040A (fr) |
DE (1) | DE845214C (fr) |
FR (2) | FR969942A (fr) |
GB (2) | GB661808A (fr) |
NL (1) | NL80113C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1175271B (de) * | 1958-06-25 | 1964-08-06 | Int Standard Electric Corp | Codiereinrichtung fuer PCM-Nachrichten-uebertragungssysteme |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL80688C (fr) * | 1953-02-06 | |||
US2841740A (en) * | 1955-11-21 | 1958-07-01 | Ibm | Convertible storage systems |
US3324345A (en) * | 1962-08-21 | 1967-06-06 | Wieslaw Barwicz | Apparatus for converting analog quantities into numerical quantities |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1757345A (en) * | 1930-05-06 | Radio tube | ||
US2189898A (en) * | 1933-08-23 | 1940-02-13 | Bell Telephone Labor Inc | System of communication |
US2144337A (en) * | 1936-02-28 | 1939-01-17 | Rca Corp | Electrical device |
US2441296A (en) * | 1943-12-27 | 1948-05-11 | Rca Corp | Computer system |
US2438908A (en) * | 1945-05-10 | 1948-04-06 | Bell Telephone Labor Inc | Pulse code modulation communication system |
US2451044A (en) * | 1945-07-09 | 1948-10-12 | Bell Telephone Labor Inc | Communication system employing pulse code modulation |
US2437707A (en) * | 1945-12-27 | 1948-03-16 | Bell Telephone Labor Inc | Communication system employing pulse code modulation |
US2473091A (en) * | 1946-03-18 | 1949-06-14 | Desmond B Brooks | Marble projector |
US2458652A (en) * | 1946-12-13 | 1949-01-11 | Bell Telephone Labor Inc | Electron discharge apparatus |
US2463535A (en) * | 1946-03-22 | 1949-03-08 | Bell Telephone Labor Inc | Electron discharge device |
NL79787C (fr) * | 1946-06-19 | 1900-01-01 | ||
US2489883A (en) * | 1946-12-28 | 1949-11-29 | Bell Telephone Labor Inc | Pulse code modulation receiver employing cathode-ray tube demodulators |
US2537843A (en) * | 1947-09-09 | 1951-01-09 | Bell Telephone Labor Inc | Pulse regeneration apparatus |
US2496633A (en) * | 1947-12-24 | 1950-02-07 | Bell Telephone Labor Inc | Multitarget cathode-ray device |
NL82618C (fr) * | 1948-08-05 | |||
US2505029A (en) * | 1949-02-09 | 1950-04-25 | Bell Telephone Labor Inc | Decoder for pulse code modulation |
-
0
- BE BE489663D patent/BE489663A/xx unknown
- NL NL80113D patent/NL80113C/xx active
- BE BE508629D patent/BE508629A/xx unknown
-
1948
- 1948-07-28 FR FR969942D patent/FR969942A/fr not_active Expired
-
1949
- 1949-04-04 CH CH287040D patent/CH287040A/fr unknown
- 1949-05-25 GB GB14047/49A patent/GB661808A/en not_active Expired
- 1949-07-09 US US103904A patent/US2646548A/en not_active Expired - Lifetime
-
1950
- 1950-08-06 DE DES18407A patent/DE845214C/de not_active Expired
-
1951
- 1951-03-01 FR FR61244D patent/FR61244E/fr not_active Expired
-
1952
- 1952-01-24 GB GB2011/52A patent/GB701347A/en not_active Expired
- 1952-02-20 CH CH309100D patent/CH309100A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1175271B (de) * | 1958-06-25 | 1964-08-06 | Int Standard Electric Corp | Codiereinrichtung fuer PCM-Nachrichten-uebertragungssysteme |
Also Published As
Publication number | Publication date |
---|---|
BE508629A (fr) | |
FR61244E (fr) | 1955-04-05 |
FR969942A (fr) | 1950-12-27 |
CH287040A (fr) | 1952-11-15 |
US2646548A (en) | 1953-07-21 |
CH309100A (fr) | 1955-08-15 |
DE845214C (de) | 1952-07-28 |
GB701347A (en) | 1953-12-23 |
NL80113C (fr) | |
BE489663A (fr) |
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