DE3867005D1 - Analoger/digitaler adaptiver leitungsentzerrer. - Google Patents
Analoger/digitaler adaptiver leitungsentzerrer.Info
- Publication number
- DE3867005D1 DE3867005D1 DE8888903539T DE3867005T DE3867005D1 DE 3867005 D1 DE3867005 D1 DE 3867005D1 DE 8888903539 T DE8888903539 T DE 8888903539T DE 3867005 T DE3867005 T DE 3867005T DE 3867005 D1 DE3867005 D1 DE 3867005D1
- Authority
- DE
- Germany
- Prior art keywords
- analog
- line equalizer
- digital adaptive
- adaptive line
- equalizer
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0001—Analogue adaptive filters
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/030,301 US4726035A (en) | 1987-03-26 | 1987-03-26 | Analog/digital adaptive line enhancer |
PCT/US1988/000784 WO1988007789A1 (en) | 1987-03-26 | 1988-03-14 | Analog/digital adaptive line enhancer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3867005D1 true DE3867005D1 (de) | 1992-01-30 |
Family
ID=21853554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888903539T Expired - Fee Related DE3867005D1 (de) | 1987-03-26 | 1988-03-14 | Analoger/digitaler adaptiver leitungsentzerrer. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4726035A (de) |
EP (1) | EP0307455B1 (de) |
JP (1) | JPH0716149B2 (de) |
CA (1) | CA1285999C (de) |
DE (1) | DE3867005D1 (de) |
WO (1) | WO1988007789A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4788652A (en) * | 1987-03-26 | 1988-11-29 | Unisys Corporation | I-Q channel adaptive line enhancer |
US5126681A (en) * | 1989-10-16 | 1992-06-30 | Noise Cancellation Technologies, Inc. | In-wire selective active cancellation system |
US5210712A (en) * | 1990-09-29 | 1993-05-11 | Anritsu Corporation | Waveform shaping circuit and digital signal analyzing apparatus using the same |
US5263191A (en) * | 1991-12-11 | 1993-11-16 | Westinghouse Electric Corp. | Method and circuit for processing and filtering signals |
US5428834A (en) * | 1991-12-11 | 1995-06-27 | Xetron Corporation | Method and circuit for processing and filtering signals |
US5272663A (en) * | 1992-05-05 | 1993-12-21 | The Board Of Trustees Of The University Of Illinois | Apparatus and method for wide bandwidth adaptive filtering |
US8223827B2 (en) * | 2004-05-05 | 2012-07-17 | Agere Systems Inc. | Method and apparatus for generating filter tap weights and biases for signal dependent branch metric computation |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4238746A (en) * | 1978-03-20 | 1980-12-09 | The United States Of America As Represented By The Secretary Of The Navy | Adaptive line enhancer |
US4236224A (en) * | 1978-12-26 | 1980-11-25 | Rockwell International Corporation | Low roundoff noise digital filter |
US4266204A (en) * | 1979-09-04 | 1981-05-05 | Sperry Rand Corporation | Delay line signal equalizer for magnetic recording signal detection circuits |
US4351060A (en) * | 1980-10-23 | 1982-09-21 | International Telephone And Telegraph Corporation | Automatic, digitally synthesized matching line terminating impedance |
US4791390A (en) * | 1982-07-01 | 1988-12-13 | Sperry Corporation | MSE variable step adaptive filter |
DE3417776A1 (de) * | 1983-06-01 | 1985-11-21 | Manfred Dipl.-Ing. 7000 Stuttgart Horn | Verfahren und schaltungsanordnungen zur kompensation von nichtlinearen amplituden- und/oder phasenverzerrungen |
GB2187064B (en) * | 1986-02-21 | 1990-01-31 | Stc Plc | Adaptive filter |
-
1987
- 1987-03-26 US US07/030,301 patent/US4726035A/en not_active Expired - Lifetime
-
1988
- 1988-03-14 JP JP63503179A patent/JPH0716149B2/ja not_active Expired - Lifetime
- 1988-03-14 DE DE8888903539T patent/DE3867005D1/de not_active Expired - Fee Related
- 1988-03-14 EP EP88903539A patent/EP0307455B1/de not_active Expired - Lifetime
- 1988-03-14 WO PCT/US1988/000784 patent/WO1988007789A1/en active IP Right Grant
- 1988-03-25 CA CA000562589A patent/CA1285999C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0716149B2 (ja) | 1995-02-22 |
EP0307455A1 (de) | 1989-03-22 |
US4726035A (en) | 1988-02-16 |
CA1285999C (en) | 1991-07-09 |
JPH02501789A (ja) | 1990-06-14 |
WO1988007789A1 (en) | 1988-10-06 |
EP0307455B1 (de) | 1991-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |