CA2012917A1 - Methodes et appareil pour emetteur, recepteur et processeurs de signaux intra-bande transparents - Google Patents
Methodes et appareil pour emetteur, recepteur et processeurs de signaux intra-bande transparentsInfo
- Publication number
- CA2012917A1 CA2012917A1 CA 2012917 CA2012917A CA2012917A1 CA 2012917 A1 CA2012917 A1 CA 2012917A1 CA 2012917 CA2012917 CA 2012917 CA 2012917 A CA2012917 A CA 2012917A CA 2012917 A1 CA2012917 A1 CA 2012917A1
- Authority
- CA
- Canada
- Prior art keywords
- mixers
- notch
- frequency
- transfer functions
- filters
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898908236A GB8908236D0 (en) | 1989-04-12 | 1989-04-12 | Method and apparatus for transparent tone-in-band transmitter,receiver and system processing |
GB8908236.6 | 1989-04-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2012917A1 true CA2012917A1 (fr) | 1990-10-12 |
CA2012917C CA2012917C (fr) | 2000-03-28 |
Family
ID=10654870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2012917 Expired - Fee Related CA2012917C (fr) | 1989-04-12 | 1990-03-23 | Methodes et appareil pour emetteur, recepteur et processeurs de signaux intra-bande transparents |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0392792B1 (fr) |
JP (1) | JP2876055B2 (fr) |
AU (1) | AU621737B2 (fr) |
CA (1) | CA2012917C (fr) |
DE (1) | DE69014228T2 (fr) |
ES (1) | ES2065484T3 (fr) |
GB (2) | GB8908236D0 (fr) |
IN (1) | IN180053B (fr) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2180112B (en) * | 1985-08-02 | 1990-01-31 | Nat Res Dev | Transparent tone-in band transmitters receivers and systems |
GB8604981D0 (en) * | 1986-02-28 | 1986-04-09 | Mcgeehan J P | Data transmission |
-
1989
- 1989-04-12 GB GB898908236A patent/GB8908236D0/en active Pending
-
1990
- 1990-03-22 IN IN278DE1990 patent/IN180053B/en unknown
- 1990-03-23 CA CA 2012917 patent/CA2012917C/fr not_active Expired - Fee Related
- 1990-04-10 GB GB9008086A patent/GB2231458B/en not_active Expired - Lifetime
- 1990-04-10 ES ES90303819T patent/ES2065484T3/es not_active Expired - Lifetime
- 1990-04-10 DE DE69014228T patent/DE69014228T2/de not_active Expired - Fee Related
- 1990-04-10 EP EP19900303819 patent/EP0392792B1/fr not_active Expired - Lifetime
- 1990-04-11 AU AU53108/90A patent/AU621737B2/en not_active Ceased
- 1990-04-12 JP JP2097475A patent/JP2876055B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9008086D0 (en) | 1990-06-06 |
IN180053B (fr) | 1998-01-10 |
EP0392792A3 (fr) | 1992-07-01 |
ES2065484T3 (es) | 1995-02-16 |
GB8908236D0 (en) | 1989-05-24 |
GB2231458A (en) | 1990-11-14 |
GB2231458B (en) | 1992-12-09 |
CA2012917C (fr) | 2000-03-28 |
DE69014228T2 (de) | 1995-04-06 |
AU5310890A (en) | 1990-10-18 |
EP0392792B1 (fr) | 1994-11-23 |
DE69014228D1 (de) | 1995-01-05 |
EP0392792A2 (fr) | 1990-10-17 |
JP2876055B2 (ja) | 1999-03-31 |
JPH02295231A (ja) | 1990-12-06 |
AU621737B2 (en) | 1992-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |