BE569505A - - Google Patents
Info
- Publication number
- BE569505A BE569505A BE569505DA BE569505A BE 569505 A BE569505 A BE 569505A BE 569505D A BE569505D A BE 569505DA BE 569505 A BE569505 A BE 569505A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
- G08C19/28—Electric signal transmission systems in which transmission is by pulses using pulse code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2021—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained
- H04L27/2025—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained in which the phase changes in a piecewise linear manner within each symbol period
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/39—Signalling arrangements; Manipulation of signalling currents using coded pulse groups
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Dc Digital Transmission (AREA)
- Selective Calling Equipment (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR892552X | 1957-07-19 | ||
FR831767A FR1270087A (fr) | 1960-07-01 | 1960-07-01 | Perfectionnements aux procédés de transmission par code |
FR844071A FR78870E (fr) | 1957-07-19 | 1960-11-16 | Perfectionnements aux procédés de transmission par code |
Publications (1)
Publication Number | Publication Date |
---|---|
BE569505A true BE569505A (me) | 1959-01-17 |
Family
ID=39274871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE569505D BE569505A (me) | 1957-07-19 | 1958-07-17 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3250998A (me) |
BE (1) | BE569505A (me) |
CH (1) | CH381286A (me) |
DE (1) | DE1132604B (me) |
FR (2) | FR1181437A (me) |
GB (4) | GB892552A (me) |
NL (1) | NL271396A (me) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2247138B (en) * | 1990-06-29 | 1994-10-12 | Digital Equipment Corp | System and method for error detection and reducing simultaneous switching noise |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE489190A (me) * | 1948-05-22 | |||
US2897480A (en) * | 1954-07-27 | 1959-07-28 | Hughes Aircraft Co | Error detecting system |
US2946044A (en) * | 1954-08-09 | 1960-07-19 | Gen Electric | Signal processing system |
US2897275A (en) * | 1955-05-16 | 1959-07-28 | Bell Telephone Labor Inc | Delta modulation compander |
DE1013689B (de) * | 1956-04-24 | 1957-08-14 | Siemens Ag | Anordnung zur teilweisen Stoerbefreiung telegrafischer Nachrichten |
BE559555A (me) * | 1956-07-27 | |||
US2957947A (en) * | 1957-02-20 | 1960-10-25 | Bell Telephone Labor Inc | Pulse code transmission system |
US2892888A (en) * | 1958-02-10 | 1959-06-30 | American Telephone & Telegraph | Digital system with error elimination |
US3091664A (en) * | 1961-04-24 | 1963-05-28 | Gen Dynamics Corp | Delta modulator for a time division multiplex system |
-
1957
- 1957-07-19 FR FR1181437D patent/FR1181437A/fr not_active Expired
-
1958
- 1958-07-17 BE BE569505D patent/BE569505A/xx unknown
- 1958-07-18 GB GB23116/58A patent/GB892552A/en not_active Expired
-
1960
- 1960-06-17 GB GB21371/60A patent/GB907333A/en not_active Expired
- 1960-11-16 FR FR844071A patent/FR78870E/fr not_active Expired
-
1961
- 1961-06-26 CH CH745561A patent/CH381286A/fr unknown
- 1961-06-27 DE DEJ20146A patent/DE1132604B/de active Pending
- 1961-06-28 US US120361A patent/US3250998A/en not_active Expired - Lifetime
- 1961-06-30 GB GB23739/61A patent/GB960843A/en not_active Expired
- 1961-11-10 GB GB40394/61A patent/GB949808A/en not_active Expired
- 1961-11-15 NL NL271396A patent/NL271396A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3250998A (en) | 1966-05-10 |
GB892552A (en) | 1962-03-28 |
CH381286A (fr) | 1964-08-31 |
FR78870E (fr) | 1962-09-21 |
GB907333A (en) | 1962-10-03 |
DE1132604B (de) | 1962-07-05 |
NL271396A (me) | 1964-07-27 |
GB960843A (en) | 1964-06-17 |
GB949808A (en) | 1964-02-19 |
FR1181437A (fr) | 1959-06-15 |