BE549668A - - Google Patents
Info
- Publication number
- BE549668A BE549668A BE549668DA BE549668A BE 549668 A BE549668 A BE 549668A BE 549668D A BE549668D A BE 549668DA BE 549668 A BE549668 A BE 549668A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Communication Control (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL350682X | 1955-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE549668A true BE549668A (ru) |
Family
ID=19785026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE549668D BE549668A (ru) | 1955-07-26 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2995626A (ru) |
| BE (1) | BE549668A (ru) |
| CH (1) | CH350682A (ru) |
| DE (1) | DE1081496B (ru) |
| FR (1) | FR1188451A (ru) |
| GB (1) | GB840501A (ru) |
| NL (2) | NL99805C (ru) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL124287C (ru) * | 1960-06-09 | 1968-07-15 | ||
| NL124462C (ru) * | 1960-06-09 | 1968-07-15 | ||
| US3268862A (en) * | 1961-10-02 | 1966-08-23 | Gen Signal Corp | Code communication system |
| BE628392A (ru) * | 1962-02-14 | |||
| BE636503A (ru) * | 1962-08-23 | |||
| FR1504524A (fr) * | 1966-06-29 | 1967-12-08 | Sagem | Perfectionnements aux systèmes de transmission d'informations codées |
| GB2461890B (en) † | 2008-07-16 | 2011-03-02 | Tunstall Group Ltd | Tone signalling |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1326727A (en) * | 1919-12-30 | Selective wave-transmissioit system | ||
| US1677121A (en) * | 1917-10-31 | 1928-07-10 | Jr John Hays Hammond | System for transmitting energy |
| US1694874A (en) * | 1922-07-10 | 1928-12-11 | William F Friedman | Method of electrical signaling |
| US1631976A (en) * | 1924-08-26 | 1927-06-14 | Western Electric Co | Signaling |
| US2235755A (en) * | 1933-05-09 | 1941-03-18 | Rca Corp | Error checking telegraph system |
| DE733148C (de) * | 1937-06-11 | 1943-03-19 | Lorenz C Ag | Fernschreibverfahren |
| US2603705A (en) * | 1941-11-19 | 1952-07-15 | Nederlanden Staat | Code converter |
| US2510485A (en) * | 1945-11-08 | 1950-06-06 | Standard Electronic Res Corp | Electrical measuring system |
| US2557964A (en) * | 1946-08-17 | 1951-06-26 | Standard Telephones Cables Ltd | Error detector for telegraph printers |
| US2471126A (en) * | 1946-10-24 | 1949-05-24 | Rca Corp | Code converter and error detector |
| US2518405A (en) * | 1946-11-18 | 1950-08-08 | Hendrik C A Van Duuren | Signal storing and code converting radio telegraph system |
| US2470145A (en) * | 1947-09-25 | 1949-05-17 | American Telephone & Telegraph | Multifrequency signaling system |
| US2540442A (en) * | 1948-08-11 | 1951-02-06 | Rca Corp | Electronic counter |
| BE491725A (ru) * | 1948-11-13 | |||
| US2674727A (en) * | 1952-10-14 | 1954-04-06 | Rca Corp | Parity generator |
| US2701279A (en) * | 1953-10-21 | 1955-02-01 | Bell Telephone Labor Inc | Multifrequency signaling system |
-
0
- NL NL199183D patent/NL199183A/xx unknown
- NL NL99805D patent/NL99805C/xx active
- BE BE549668D patent/BE549668A/xx unknown
-
1956
- 1956-07-19 DE DEST11431A patent/DE1081496B/de active Pending
- 1956-07-23 CH CH350682D patent/CH350682A/de unknown
- 1956-07-23 FR FR1188451D patent/FR1188451A/fr not_active Expired
- 1956-07-25 US US600001A patent/US2995626A/en not_active Expired - Lifetime
- 1956-07-25 GB GB22978/56A patent/GB840501A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1188451A (fr) | 1959-09-23 |
| NL99805C (ru) | |
| GB840501A (en) | 1960-07-06 |
| NL199183A (ru) | |
| US2995626A (en) | 1961-08-08 |
| DE1081496B (de) | 1960-05-12 |
| CH350682A (de) | 1960-12-15 |