FR2395652B1 - Procede et dispositif de transmission de signaux numeriques - Google Patents
Procede et dispositif de transmission de signaux numeriquesInfo
- Publication number
- FR2395652B1 FR2395652B1 FR7816423A FR7816423A FR2395652B1 FR 2395652 B1 FR2395652 B1 FR 2395652B1 FR 7816423 A FR7816423 A FR 7816423A FR 7816423 A FR7816423 A FR 7816423A FR 2395652 B1 FR2395652 B1 FR 2395652B1
- Authority
- FR
- France
- Prior art keywords
- digital signals
- transmitting digital
- transmitting
- signals
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/18—Arrangements for synchronising broadcast or distribution via plural systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/82—Wired systems using signals not modulated onto a carrier
- H04H20/83—Wired systems using signals not modulated onto a carrier not sharing the network with any other service
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7213977A JPS547204A (en) | 1977-06-20 | 1977-06-20 | Simultaneous transmission system for plural stations |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2395652A1 FR2395652A1 (fr) | 1979-01-19 |
FR2395652B1 true FR2395652B1 (fr) | 1986-11-21 |
Family
ID=13480647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7816423A Expired FR2395652B1 (fr) | 1977-06-20 | 1978-06-01 | Procede et dispositif de transmission de signaux numeriques |
Country Status (6)
Country | Link |
---|---|
US (1) | US4223405A (fr) |
JP (1) | JPS547204A (fr) |
CA (1) | CA1115776A (fr) |
DE (1) | DE2817836C3 (fr) |
FR (1) | FR2395652B1 (fr) |
GB (1) | GB1602169A (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55157116A (en) * | 1979-05-24 | 1980-12-06 | Mitsubishi Electric Corp | Signal recording and reproducing device |
NZ196231A (en) * | 1980-02-18 | 1985-04-30 | Sangamo Weston | Transmission of digital data on power lines:data phase modulates dual coherent carrier frequencies |
JPS5815341A (ja) * | 1981-07-22 | 1983-01-28 | Nec Corp | 送信ダイバーシティ信号の送信方法および装置 |
US4570265A (en) * | 1981-11-23 | 1986-02-11 | Motorola, Inc. | Random frequency offsetting apparatus for multi-transmitter simulcast radio communications systems |
US4481670A (en) * | 1982-11-12 | 1984-11-06 | Motorola, Inc. | Method and apparatus for dynamically selecting transmitters for communications between a primary station and remote stations of a data communications system |
US4516269A (en) * | 1982-12-10 | 1985-05-07 | Michigan Consolidated Gas Company | Automatic equalization for a simulcast communication system |
US4584716A (en) * | 1984-11-13 | 1986-04-22 | Honeywell Inc. | Automatic dual diversity receiver |
US4896371A (en) * | 1987-11-20 | 1990-01-23 | Kahn Leonard R | Synchronous AM transmission system having reduced self interference effects |
JPH01184765A (ja) * | 1988-01-19 | 1989-07-24 | Sanyo Electric Co Ltd | 光ディスク装置 |
US5930688A (en) * | 1992-04-02 | 1999-07-27 | Stanford Telecommunications, Inc. | Method and apparatus for intermodulation noise suppression in RF power amplifiers |
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 |
US5745840A (en) * | 1994-03-22 | 1998-04-28 | Tait Electronics Limited | Equalization in a simulcast communication system |
JP2802254B2 (ja) * | 1996-01-10 | 1998-09-24 | 株式会社次世代デジタルテレビジョン放送システム研究所 | Ofdmシステムとofdm装置 |
JP2927242B2 (ja) * | 1996-06-28 | 1999-07-28 | 日本電気株式会社 | 音声符号データの誤り処理装置及び誤り処理方法 |
JP5608140B2 (ja) * | 2011-03-15 | 2014-10-15 | オムロンオートモーティブエレクトロニクス株式会社 | 送信装置及び送信方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR647542A (fr) * | 1927-02-03 | 1928-11-26 | Lorenz C Ag | Procédé pour l'émission radioélectrique par ondes égales |
US2033271A (en) * | 1933-04-07 | 1936-03-10 | Bell Telephone Labor Inc | Common frequency broadcasting system |
US2278779A (en) * | 1940-03-15 | 1942-04-07 | Rca Corp | Method of reducing multipath effects |
US2904674A (en) * | 1956-11-29 | 1959-09-15 | Bell Telephone Labor Inc | Radiant energy highway communication system with controlled directive antenna |
US3717814A (en) * | 1971-09-23 | 1973-02-20 | Bell Telephone Labor Inc | Cophasing diversity communication system with pilot feedback |
US4051438A (en) * | 1975-09-11 | 1977-09-27 | International Telephone And Telegraph Corporation | Co-channel multiple signal broadcasting system |
-
1977
- 1977-06-20 JP JP7213977A patent/JPS547204A/ja active Granted
-
1978
- 1978-02-15 CA CA296,978A patent/CA1115776A/fr not_active Expired
- 1978-03-15 US US05/886,636 patent/US4223405A/en not_active Expired - Lifetime
- 1978-03-29 GB GB12177/78A patent/GB1602169A/en not_active Expired
- 1978-04-24 DE DE2817836A patent/DE2817836C3/de not_active Expired
- 1978-06-01 FR FR7816423A patent/FR2395652B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2817836C3 (de) | 1981-04-23 |
US4223405A (en) | 1980-09-16 |
DE2817836B2 (de) | 1980-09-04 |
FR2395652A1 (fr) | 1979-01-19 |
CA1115776A (fr) | 1982-01-05 |
DE2817836A1 (de) | 1978-12-21 |
JPS547204A (en) | 1979-01-19 |
JPS617061B2 (fr) | 1986-03-04 |
GB1602169A (en) | 1981-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CA | Change of address |