BE426748A - - Google Patents
Info
- Publication number
- BE426748A BE426748A BE426748DA BE426748A BE 426748 A BE426748 A BE 426748A BE 426748D A BE426748D A BE 426748DA BE 426748 A BE426748 A BE 426748A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/662—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a time/frequency relationship, e.g. time compression or expansion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/58—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output
- H01J31/60—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen
- H01J31/62—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen with separate reading and writing rays
- H01J31/64—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen with separate reading and writing rays on opposite sides of screen, e.g. for conversion of definition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radiation-Therapy Devices (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2277516X | 1938-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE426748A true BE426748A (ar) |
Family
ID=3895775
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE425884D BE425884A (ar) | 1938-01-20 | ||
BE426748D BE426748A (ar) | 1938-01-20 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE425884D BE425884A (ar) | 1938-01-20 |
Country Status (2)
Country | Link |
---|---|
US (2) | US2277516A (ar) |
BE (2) | BE426748A (ar) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563500A (en) * | 1951-08-07 | Plural beam tube | ||
US2499534A (en) * | 1950-03-07 | A sorber | ||
US2454652A (en) * | 1943-06-26 | 1948-11-23 | Rca Corp | Cathode-ray storage tube |
US2416914A (en) * | 1943-07-30 | 1947-03-04 | Rca Corp | Electron discharge device |
US2481458A (en) * | 1943-10-12 | 1949-09-06 | Bell Telephone Labor Inc | Cathode-ray device |
US2948779A (en) * | 1943-12-16 | 1960-08-09 | James L Russell | Scrambling system |
US2434698A (en) * | 1944-02-15 | 1948-01-20 | John H Homrighous | Time division multiplex telephone system |
US2451632A (en) * | 1944-02-24 | 1948-10-19 | Bell Telephone Labor Inc | Control voltage means in pulse receiver |
US2532719A (en) * | 1944-10-16 | 1950-12-05 | John H Homrighous | Dimensional radio communication system |
US2612634A (en) * | 1944-10-19 | 1952-09-30 | Rca Corp | Angular modulation |
US2510070A (en) * | 1945-05-18 | 1950-06-06 | Farnsworth Res Corp | Television scanning system |
US2588380A (en) * | 1945-08-03 | 1952-03-11 | Jr William W Cargill | Method and apparatus for transmitting intelligence by radio waves |
US2538869A (en) * | 1946-03-14 | 1951-01-23 | Hartford Nat Bank & Trust Co | Stereophonic sound |
US2553245A (en) * | 1946-06-04 | 1951-05-15 | Bell Telephone Labor Inc | Electronic tracing system |
US2459131A (en) * | 1946-09-24 | 1949-01-11 | Rca Corp | Electronic distributor for multiplex pulse communication systems |
FR957221A (ar) * | 1946-12-17 | 1950-02-17 | ||
FR957706A (ar) * | 1946-12-26 | 1950-02-24 | ||
US2499844A (en) * | 1947-01-16 | 1950-03-07 | Philco Corp | Receiver for pulse-position-modulation systems |
US2559661A (en) * | 1947-04-02 | 1951-07-10 | Int Standard Electric Corp | Multichannel electrical pulse communication system |
US2517265A (en) * | 1947-07-18 | 1950-08-01 | Wald George | Multichannel television system |
FR954923A (ar) * | 1947-10-16 | 1950-01-06 | ||
FR955629A (ar) * | 1947-10-28 | 1950-01-18 | ||
US2587005A (en) * | 1947-10-29 | 1952-02-26 | Rca Corp | Signal conversion system |
US2689301A (en) * | 1947-10-31 | 1954-09-14 | Nat Union Radio Corp | Arrangement for storing intelligence signals electronically |
US2580685A (en) * | 1949-12-30 | 1952-01-01 | Bell Telephone Labor Inc | Color television with reduced band width |
BE501391A (ar) * | 1950-02-20 | |||
DE940656C (de) * | 1950-02-20 | 1956-03-22 | Normalzeit G M B H | Einrichtung zur UEbertragung mehrerer gleichzeitiger Nachrichten ueber einen Kanal |
US2608617A (en) * | 1950-06-14 | 1952-08-26 | Bell Telephone Labor Inc | Television converter system |
US2907818A (en) * | 1951-07-23 | 1959-10-06 | Minnesota Mining & Mfg | Magnetic recording of television signals |
US2900445A (en) * | 1952-01-26 | 1959-08-18 | Westinghouse Electric Corp | Increase of image contrast with television pickup tube |
DE1033272B (de) * | 1953-02-12 | 1958-07-03 | Deutsche Bundespost | Verfahren zum Veraendern der Frequenz von elektrischen Schwingungen der Nachrichtentechnik |
US3180932A (en) * | 1963-02-19 | 1965-04-27 | Gen Precision Inc | Equal-area simultaneous display of remotely located television cameras' signals on a single monitor screen and synchronization of same |
-
0
- BE BE425884D patent/BE425884A/xx unknown
- BE BE426748D patent/BE426748A/xx unknown
-
1939
- 1939-01-20 US US252030A patent/US2277516A/en not_active Expired - Lifetime
-
1942
- 1942-02-10 US US430312A patent/US2367277A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2367277A (en) | 1945-01-16 |
US2277516A (en) | 1942-03-24 |
BE425884A (ar) |