BE434369A - - Google Patents
Info
- Publication number
- BE434369A BE434369A BE434369DA BE434369A BE 434369 A BE434369 A BE 434369A BE 434369D A BE434369D A BE 434369DA BE 434369 A BE434369 A BE 434369A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Dot-Matrix Printers And Others (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB232469X | 1938-05-17 | ||
GB17052/40A GB546175A (en) | 1938-05-17 | 1940-11-29 | Improvements in or relating to telegraph systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BE434369A true BE434369A (de) |
Family
ID=32109270
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE476865D BE476865A (de) | 1938-05-17 | ||
BE434369D BE434369A (de) | 1938-05-17 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE476865D BE476865A (de) | 1938-05-17 |
Country Status (6)
Country | Link |
---|---|
US (2) | US2242196A (de) |
BE (2) | BE434369A (de) |
CH (2) | CH232469A (de) |
FR (2) | FR854641A (de) |
GB (1) | GB514853A (de) |
NL (1) | NL54070C (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2476313A (en) * | 1943-02-25 | 1949-07-19 | Jr John S Maidlow | Control system |
US2474257A (en) * | 1943-12-24 | 1949-06-28 | Edward E Kleinschmidt | Telegraphic communication system with automatic answer back and alarm signals |
BE471433A (de) * | 1944-07-26 | 1900-01-01 | ||
US2456733A (en) * | 1946-05-27 | 1948-12-21 | Teletype Corp | Cipher checking system |
US2554793A (en) * | 1947-06-11 | 1951-05-29 | Teletype Corp | Radio telegraph system with direction control |
US2579612A (en) * | 1947-06-18 | 1951-12-25 | Teletype Corp | Telegraph converter system and apparatus |
US2978676A (en) * | 1950-07-24 | 1961-04-04 | Rca Corp | Selective signalling display system with checking and acknowledgment |
US2805278A (en) * | 1951-09-04 | 1957-09-03 | Nederlanden Staat | Telegraph system |
BE535482A (de) * | 1954-02-11 | |||
US2853356A (en) * | 1954-10-29 | 1958-09-23 | Addressograph Multigraph | Printing machines |
BE543840A (de) * | 1954-12-30 | |||
NL107923C (de) * | 1955-06-28 | |||
NL98117C (de) * | 1955-07-26 | |||
GB853691A (en) * | 1955-08-05 | 1960-11-09 | Gerhard Dirks | A method and means for the automatic repetition of signal transmissions |
US2871289A (en) * | 1955-10-10 | 1959-01-27 | Gen Electric | Error-checking system |
US2958727A (en) * | 1955-12-14 | 1960-11-01 | Ibm | Checking system for record data transmission |
US2993956A (en) * | 1957-08-09 | 1961-07-25 | Western Union Telegraph Co | Error detecting system for telegraph transmission |
US2965882A (en) * | 1958-01-27 | 1960-12-20 | Westinghouse Air Brake Co | Remote control system |
US3263217A (en) * | 1960-04-05 | 1966-07-26 | Philips Corp | Remote control system |
US3252138A (en) * | 1960-12-20 | 1966-05-17 | Dresser Ind | Self-checking digital telemetering system |
US3158684A (en) * | 1960-12-28 | 1964-11-24 | Fuji Denki Seiko Co Ltd | System for detecting perforation errors in synchronous printing telegraphic apparatus |
US3175190A (en) * | 1961-02-15 | 1965-03-23 | Itt | Machine tool control circuit having a program crossbar switch and a bridge means for checking crosspoints |
US3256514A (en) * | 1962-09-13 | 1966-06-14 | Digitronics Corp | Information transfer system |
GB1051700A (de) * | 1962-12-08 | |||
FR1383788A (fr) * | 1963-08-28 | 1965-01-04 | Sagem | Système de transmission de données à correction automatique d'erreurs |
US3378820A (en) * | 1964-08-13 | 1968-04-16 | Digital Equipment Corp | Data communication system |
US3380399A (en) * | 1965-06-30 | 1968-04-30 | North Electric Co | Remote control and supervision system for a railroad train |
US3535681A (en) * | 1968-02-21 | 1970-10-20 | Gen Signal Corp | Code communication system |
US3721958A (en) * | 1971-04-30 | 1973-03-20 | Gen Electric | Testing arrangement for a data communication system |
US4024499A (en) * | 1974-06-24 | 1977-05-17 | Oto-Data, Inc. | Audiometric system |
US3995258A (en) * | 1975-06-30 | 1976-11-30 | Honeywell Information Systems, Inc. | Data processing system having a data integrity technique |
US4525785A (en) * | 1979-10-30 | 1985-06-25 | Pitney Bowes Inc. | Electronic postage meter having plural computing system |
US4498187A (en) * | 1979-10-30 | 1985-02-05 | Pitney Bowes Inc. | Electronic postage meter having plural computing systems |
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0
- NL NL54070D patent/NL54070C/xx active
- BE BE476865D patent/BE476865A/xx unknown
- BE BE434369D patent/BE434369A/xx unknown
-
1938
- 1938-05-17 GB GB14706/38A patent/GB514853A/en not_active Expired
-
1939
- 1939-05-06 US US272116A patent/US2242196A/en not_active Expired - Lifetime
- 1939-05-10 CH CH232469D patent/CH232469A/fr unknown
- 1939-05-11 FR FR854641D patent/FR854641A/fr not_active Expired
-
1942
- 1942-06-03 US US445567A patent/US2354534A/en not_active Expired - Lifetime
-
1946
- 1946-10-17 FR FR55056D patent/FR55056E/fr not_active Expired
- 1946-12-17 CH CH281607D patent/CH281607A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
US2354534A (en) | 1944-07-25 |
BE476865A (de) | |
US2242196A (en) | 1941-05-13 |
NL54070C (de) | |
FR854641A (fr) | 1940-04-19 |
FR55056E (fr) | 1951-06-06 |
CH281607A (fr) | 1952-03-15 |
CH232469A (fr) | 1944-05-31 |
GB514853A (en) | 1939-11-20 |