NL294442A - - Google Patents
Info
- Publication number
- NL294442A NL294442A NL294442DA NL294442A NL 294442 A NL294442 A NL 294442A NL 294442D A NL294442D A NL 294442DA NL 294442 A NL294442 A NL 294442A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/12—Channels characterised by the type of signal the signals being represented by different phase modulations of a single carrier
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Manipulation Of Pulses (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL294442A NL139152B (nl) | 1963-06-21 | 1963-06-21 | Transmissiestelsel voor de overdracht van pulssignalen. |
| BE649605A BE649605A (it) | 1964-06-22 | 1964-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL294442A true NL294442A (it) |
Family
ID=25655943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL294442D NL294442A (it) | 1963-06-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3378771A (it) |
| CH (1) | CH434356A (it) |
| DE (1) | DE1263822B (it) |
| DK (1) | DK127488B (it) |
| GB (1) | GB1017322A (it) |
| NL (1) | NL294442A (it) |
| SE (1) | SE317098B (it) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3522537A (en) * | 1966-07-25 | 1970-08-04 | Western Union Telegraph Co | Vestigial sideband transmission system having two channels in quadrature |
| NL6800093A (it) * | 1968-01-03 | 1969-07-07 | ||
| NL154082B (nl) * | 1968-07-09 | 1977-07-15 | Philips Nv | Inrichting voor overdracht van rechthoekige synchrone informatiepulsen. |
| US3546588A (en) * | 1968-09-17 | 1970-12-08 | Bell Telephone Labor Inc | Phase hit monitor-counter |
| US3732375A (en) * | 1969-01-24 | 1973-05-08 | Nippon Electric Co | Paired signal transmission system utilizing quadrature modulation |
| CH505510A (de) * | 1969-08-29 | 1971-03-31 | Patelhold Patentverwertung | Verfahren zur Mitübertragung der tiefen Signalfrequenzkomponenten eines Nachrichtensignals |
| DE2331601C2 (de) * | 1973-06-20 | 1975-08-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur phasenregelung eines Taktsignals |
| US4006418A (en) * | 1975-05-14 | 1977-02-01 | Raytheon Company | Quaternary phase-shift keying with time delayed channel |
| GB1561643A (en) * | 1975-08-05 | 1980-02-27 | Marconi Co Ltd | Phaseshift-keying modulators |
| JPS57183161A (en) * | 1981-05-07 | 1982-11-11 | Nec Corp | 2n-phase phase modulator |
| US4464767A (en) * | 1981-09-08 | 1984-08-07 | Paradyne Corporation | System for generation of multiple pointed QAM signal spaces by use of synchronous Qam transmitters |
| EP0110427B1 (de) * | 1982-12-07 | 1990-03-28 | Josef Dirr | Verfahren für die Übertragung von Nachrichten, bei dem die Codierung der Signale durch die Grösse der Amplituden der Halbwellen oder Perioden eines sinusförmigen Wechselstromes erfolgt |
| CA1217233A (en) * | 1982-12-29 | 1987-01-27 | Susumu Sasaki | Qam with dc bias in one channel |
| CA1232022A (en) * | 1983-11-30 | 1988-01-26 | Eisuke Fukuda | Radio communication system |
| US4654705A (en) * | 1983-12-30 | 1987-03-31 | Zenith Electronics Corporation | Two channel audio scrambling system |
| US4737969A (en) * | 1987-01-28 | 1988-04-12 | Motorola, Inc. | Spectrally efficient digital modulation method and apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123670A (en) * | 1964-03-03 | Filter | ||
| US3031529A (en) * | 1958-07-21 | 1962-04-24 | Philco Corp | Phase-frequency control system for carrier-multiplex receiver |
-
0
- NL NL294442D patent/NL294442A/xx unknown
-
1964
- 1964-05-28 US US371062A patent/US3378771A/en not_active Expired - Lifetime
- 1964-06-17 SE SE7403/64A patent/SE317098B/xx unknown
- 1964-06-18 DK DK308164AA patent/DK127488B/da unknown
- 1964-06-18 CH CH801064A patent/CH434356A/de unknown
- 1964-06-18 DE DEN25131A patent/DE1263822B/de active Pending
- 1964-06-19 GB GB25478/64A patent/GB1017322A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH434356A (de) | 1967-04-30 |
| DE1263822B (de) | 1968-03-21 |
| US3378771A (en) | 1968-04-16 |
| DK127488B (da) | 1973-11-12 |
| GB1017322A (en) | 1966-01-19 |
| SE317098B (it) | 1969-11-10 |