NO148800C - System for overfoering av digitale data, samt fremgangsmaate og apparat for sending av slike data - Google Patents
System for overfoering av digitale data, samt fremgangsmaate og apparat for sending av slike dataInfo
- Publication number
- NO148800C NO148800C NO800792A NO800792A NO148800C NO 148800 C NO148800 C NO 148800C NO 800792 A NO800792 A NO 800792A NO 800792 A NO800792 A NO 800792A NO 148800 C NO148800 C NO 148800C
- Authority
- NO
- Norway
- Prior art keywords
- data
- sending
- procedure
- transmission
- digital data
- Prior art date
Links
Classifications
-
- 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
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
- H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
-
- 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
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/2057—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases with a separate carrier for each phase state
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5408—Methods of transmitting or receiving signals via power distribution lines using protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5491—Systems for power line communications using filtering and bypassing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Communication Control (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/022,235 US4244047A (en) | 1979-03-20 | 1979-03-20 | Multiplexed carrier transmission through harmonic polluted medium |
Publications (3)
Publication Number | Publication Date |
---|---|
NO800792L NO800792L (no) | 1980-09-22 |
NO148800B NO148800B (no) | 1983-09-05 |
NO148800C true NO148800C (no) | 1983-12-14 |
Family
ID=21808548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO800792A NO148800C (no) | 1979-03-20 | 1980-03-19 | System for overfoering av digitale data, samt fremgangsmaate og apparat for sending av slike data |
Country Status (9)
Country | Link |
---|---|
US (1) | US4244047A (no) |
AT (1) | AT369932B (no) |
CA (1) | CA1136299A (no) |
DE (1) | DE3010565A1 (no) |
DK (1) | DK116780A (no) |
FR (1) | FR2452213A1 (no) |
GB (1) | GB2045582B (no) |
NO (1) | NO148800C (no) |
SE (1) | SE8002147L (no) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4688246A (en) * | 1985-12-20 | 1987-08-18 | Zenith Electronics Corporation | CATV scrambling system with compressed digital audio in synchronizing signal intervals |
AU8185591A (en) * | 1990-06-12 | 1992-01-07 | Motorola, Inc. | Quadrature amplitude modulation synchronization method |
US5590403A (en) * | 1992-11-12 | 1996-12-31 | Destineer Corporation | Method and system for efficiently providing two way communication between a central network and mobile unit |
CA2143144C (en) * | 1994-03-03 | 1999-09-28 | James Gifford Evans | Modulated backscatter wireless communication system having an extended range |
US5659891A (en) * | 1995-06-07 | 1997-08-19 | Mobile Telecommunication Technologies | Multicarrier techniques in bandlimited channels |
US5930301A (en) * | 1996-06-25 | 1999-07-27 | Harris Corporation | Up-conversion mechanism employing side lobe-selective pre-distortion filter and frequency replica-selecting bandpass filter respectively installed upstream and downstream of digital-to-analog converter |
US6327311B1 (en) * | 1998-10-09 | 2001-12-04 | Broadcom Homenetworking, Inc. | Frequency diverse single carrier modulation for robust communication over in-premises wiring |
US7519090B2 (en) * | 2002-12-13 | 2009-04-14 | Intelligent Design Limited | Very high speed arbitrary number of multiple signal multiplexer |
US10701685B2 (en) | 2014-03-31 | 2020-06-30 | Huawei Technologies Co., Ltd. | Method and apparatus for asynchronous OFDMA/SC-FDMA |
US9419770B2 (en) * | 2014-03-31 | 2016-08-16 | Huawei Technologies Co., Ltd. | Method and apparatus for asynchronous OFDMA/SC-FDMA |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE626255A (no) * | 1961-12-20 | |||
US3163718A (en) * | 1962-06-28 | 1964-12-29 | Deman Pierre | Frequency and time allocation multiplex system |
US3364311A (en) * | 1964-02-07 | 1968-01-16 | Nasa Usa | Elimination of frequency shift in a multiplex communication system |
US3368036A (en) * | 1965-05-24 | 1968-02-06 | Collins Radio Co | Demultiplexing and detecting system for predicted wave phasepulsed data transmissionsystem |
GB1257308A (no) * | 1968-04-17 | 1971-12-15 | ||
US4101834A (en) * | 1976-09-13 | 1978-07-18 | General Electric Company | Methods and apparatus for rejection of interference in a digital communications system |
US4109204A (en) * | 1976-12-29 | 1978-08-22 | General Electric Company | Apparatus and method for wideband communication with suppression of harmonic interference |
-
1979
- 1979-03-20 US US06/022,235 patent/US4244047A/en not_active Expired - Lifetime
-
1980
- 1980-02-26 CA CA000346469A patent/CA1136299A/en not_active Expired
- 1980-03-03 GB GB8007178A patent/GB2045582B/en not_active Expired
- 1980-03-18 DK DK116780A patent/DK116780A/da not_active Application Discontinuation
- 1980-03-19 NO NO800792A patent/NO148800C/no unknown
- 1980-03-19 SE SE8002147A patent/SE8002147L/xx not_active Application Discontinuation
- 1980-03-19 DE DE19803010565 patent/DE3010565A1/de not_active Withdrawn
- 1980-03-20 AT AT0151680A patent/AT369932B/de not_active IP Right Cessation
- 1980-03-20 FR FR8006206A patent/FR2452213A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2452213B1 (no) | 1983-12-02 |
ATA151680A (de) | 1982-06-15 |
CA1136299A (en) | 1982-11-23 |
GB2045582A (en) | 1980-10-29 |
NO148800B (no) | 1983-09-05 |
DE3010565A1 (de) | 1980-09-25 |
AT369932B (de) | 1983-02-10 |
SE8002147L (sv) | 1980-09-21 |
FR2452213A1 (fr) | 1980-10-17 |
NO800792L (no) | 1980-09-22 |
DK116780A (da) | 1980-09-21 |
US4244047A (en) | 1981-01-06 |
GB2045582B (en) | 1983-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS53114413A (en) | Method and device for transmitting or recording digital signal | |
JPS5363940A (en) | Method of and device for transmitting data | |
JPS52114206A (en) | Method and device for transmitting binary data | |
JPS5417489A (en) | Digital control system and control data transmitting method | |
JPS52149910A (en) | Data transmission and receiving system | |
JPS5586230A (en) | Method of starting and detecting sequence of data transmission system | |
GB1540510A (en) | Digital data transmission system | |
DE3065011D1 (en) | Apparatus for enciphering and/or deciphering data signals | |
AU517630B2 (en) | Priority data signal transmission apparatus | |
JPS5236901A (en) | Data transmission method and system | |
DE3069852D1 (en) | A data transmission system, and a method of passing data through a data transmission system | |
DE3167423D1 (en) | Method and device for the transmission of digital data packets | |
NO148800C (no) | System for overfoering av digitale data, samt fremgangsmaate og apparat for sending av slike data | |
DE3070272D1 (en) | Method and apparatus for transmission of serial data | |
JPS55123263A (en) | Data signal transmission system | |
JPS5676675A (en) | Device and method for transmitting letter data and picture data together | |
GB1549307A (en) | Method and means for transmitting measuring data | |
NO812173L (no) | Fremgangsmaate og apparat til behandling av radarinformasjonsdata | |
JPS53114412A (en) | Method and device for transmitting and recording digital signal | |
JPS5623052A (en) | System and device for transmitting digital information | |
NO154150C (no) | Telefonapparat for transmisjon og mottagelse av digitale data, samt digitalt sloeyfedelingskommunikasjonssystem. | |
GB2064921B (en) | Rate-change circuits and methods for transmitting data | |
DK152238C (da) | Sendeapparat til et informationssendesystem | |
EP0017715A3 (en) | Processing, recording and transmitting system for key-board entered data | |
JPS5341903A (en) | Data signal transmission and receiving method |