SE8006329L - Overforing av flera datastrommar pa en kanal - Google Patents
Overforing av flera datastrommar pa en kanalInfo
- Publication number
- SE8006329L SE8006329L SE8006329A SE8006329A SE8006329L SE 8006329 L SE8006329 L SE 8006329L SE 8006329 A SE8006329 A SE 8006329A SE 8006329 A SE8006329 A SE 8006329A SE 8006329 L SE8006329 L SE 8006329L
- Authority
- SE
- Sweden
- Prior art keywords
- modulation
- aid
- receiver
- transmitter
- channel
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2937073A DE2937073C2 (de) | 1979-09-13 | 1979-09-13 | Verfahren zur gleichzeitigen Übertragung mehrerer Datenströme über einen Kanal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE8006329L true SE8006329L (sv) | 1981-03-14 |
Family
ID=6080818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8006329A SE8006329L (sv) | 1979-09-13 | 1980-09-10 | Overforing av flera datastrommar pa en kanal |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4389722A (sv) |
| DE (1) | DE2937073C2 (sv) |
| FR (1) | FR2465375A1 (sv) |
| GB (1) | GB2058520A (sv) |
| SE (1) | SE8006329L (sv) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509171A (en) * | 1982-12-08 | 1985-04-02 | Paradyne Corporation | Modem multiplexer synchronization by radial modulation |
| US4525846A (en) * | 1982-12-27 | 1985-06-25 | Paradyne Corporation | Modem in-band secondary channel via radial modulation |
| US4627077A (en) * | 1983-09-20 | 1986-12-02 | Paradyne Corporation | Modified QAM data point constellation for secondary channel signalling |
| US4534026A (en) * | 1983-12-06 | 1985-08-06 | Paradyne Corporation | Normalized error compensator for modems using radial amplitude modulation for multiplexing |
| US4630287A (en) * | 1983-12-28 | 1986-12-16 | Paradyne Corporation | Secondary channel signalling in a QAM data point constellation |
| US4675863A (en) | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| US4825448A (en) * | 1986-08-07 | 1989-04-25 | International Mobile Machines Corporation | Subscriber unit for wireless digital telephone system |
| US4737969A (en) * | 1987-01-28 | 1988-04-12 | Motorola, Inc. | Spectrally efficient digital modulation method and apparatus |
| US4891806A (en) * | 1987-09-18 | 1990-01-02 | Racal Data Communications Inc. | Constellation multiplexed inband secondary channel for voiceband modem |
| US5546383A (en) * | 1993-09-30 | 1996-08-13 | Cooley; David M. | Modularly clustered radiotelephone system |
| US5454009A (en) * | 1994-01-13 | 1995-09-26 | Scientific-Atlanta, Inc. | Method and apparatus for providing energy dispersal using frequency diversity in a satellite communications system |
| US6175865B1 (en) * | 1998-11-12 | 2001-01-16 | Hewlett-Packard Company | Apparatus for automatically configuring network media connections |
| US7570591B2 (en) * | 2004-08-03 | 2009-08-04 | Hewlett Packard Development Company, L.P. | Method and apparatus for negotiating link speed and configuration |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2428118A (en) * | 1944-04-07 | 1947-09-30 | Standard Telephones Cables Ltd | Pulse multiplex system |
| DE1173932B (de) * | 1963-07-23 | 1964-07-16 | Telefunken Patent | Verfahren zur Datenuebertragung, bei dem der codierte Nachrichteninhalt in einer Phasen-differenz aufeinanderfolgender Signale besteht |
| DE1183119B (de) * | 1963-10-15 | 1964-12-10 | Telefunken Patent | Verfahren zur Datenuebertragung, bei dem die Information in einzelnen Bloecken uebertragen wird, deren Anfang durch jeweils vor Blockbeginn am Empfangsort eintreffende Synchronisiersignale gekennzeichnet wird |
| US3404231A (en) * | 1965-01-05 | 1968-10-01 | Bell Telephone Labor Inc | Framing of pulse code transmission systems by use of an added tone signal |
| US3804985A (en) * | 1970-06-18 | 1974-04-16 | Nikkon Electric Co Ltd | Phase-difference-modulation communication system |
| US4121056A (en) * | 1977-06-14 | 1978-10-17 | The United States Of America As Represented By The Secretary Of The Air Force | Time division digital multiplexer apparatus |
-
1979
- 1979-09-13 DE DE2937073A patent/DE2937073C2/de not_active Expired
-
1980
- 1980-09-10 GB GB8029286A patent/GB2058520A/en not_active Withdrawn
- 1980-09-10 SE SE8006329A patent/SE8006329L/sv not_active Application Discontinuation
- 1980-09-12 FR FR8019782A patent/FR2465375A1/fr active Pending
- 1980-09-12 US US06/186,631 patent/US4389722A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2058520A (en) | 1981-04-08 |
| DE2937073A1 (de) | 1981-03-19 |
| US4389722A (en) | 1983-06-21 |
| FR2465375A1 (fr) | 1981-03-20 |
| DE2937073C2 (de) | 1982-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8006329-0 |