DK148850B - Kobling til automatisk modforvraengning af et signal - Google Patents
Kobling til automatisk modforvraengning af et signal Download PDFInfo
- Publication number
- DK148850B DK148850B DK098279AA DK98279A DK148850B DK 148850 B DK148850 B DK 148850B DK 098279A A DK098279A A DK 098279AA DK 98279 A DK98279 A DK 98279A DK 148850 B DK148850 B DK 148850B
- Authority
- DK
- Denmark
- Prior art keywords
- signal
- counter
- branch
- amplifier
- operational amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
- H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
- Lock And Its Accessories (AREA)
- Tyre Moulding (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782810504 DE2810504A1 (de) | 1978-03-10 | 1978-03-10 | Schaltungsanordnung zur automatischen entzerrung eines signals |
DE2810504 | 1978-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK98279A DK98279A (da) | 1979-09-11 |
DK148850B true DK148850B (da) | 1985-10-21 |
Family
ID=6034107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK098279AA DK148850B (da) | 1978-03-10 | 1979-03-09 | Kobling til automatisk modforvraengning af et signal |
Country Status (9)
Country | Link |
---|---|
US (1) | US4250459A (no) |
EP (1) | EP0004054B1 (no) |
AT (1) | AT372809B (no) |
BR (1) | BR7901429A (no) |
CA (1) | CA1137180A (no) |
DE (2) | DE2810504A1 (no) |
DK (1) | DK148850B (no) |
MX (1) | MX146561A (no) |
NO (1) | NO147089C (no) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4329712A (en) * | 1980-06-24 | 1982-05-11 | Rca Corporation | Adaptive distortion elimination circuitry for a video disc player |
US4531165A (en) * | 1983-09-30 | 1985-07-23 | International Business Machines Corporation | Automatic amplitude equalizer based upon monitoring of channel power loss |
US4731590A (en) * | 1986-07-03 | 1988-03-15 | American Telephone And Telegraph Company, At&T Bell Laboratories | Circuits with multiple controlled gain elements |
DE3627677A1 (de) * | 1986-08-14 | 1988-02-25 | Blaupunkt Werke Gmbh | Verfahren und anordnung zur frequenzabhaengigen beeinflussung eines signals |
FR2685832B1 (fr) * | 1991-12-31 | 1994-02-11 | Thomson Broadcast | Systeme correcteur de lignes de transmission. |
EP1209819A1 (fr) * | 2000-11-28 | 2002-05-29 | Koninklijke Philips Electronics N.V. | Dispositif d'égalisation pour réseaux de distribution par cable |
EP1392001A1 (en) * | 2002-08-22 | 2004-02-25 | Vrije Universiteit Brussel | Adaptive equalizer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL89876C (no) * | 1951-05-21 | |||
GB855997A (en) * | 1957-10-31 | 1960-12-14 | Svenska Relafabriken Ab | Improvements in or relating to electric control circuits |
US3728649A (en) * | 1972-04-24 | 1973-04-17 | Bell Telephone Labor Inc | Automatic equalizer for digital cable transmission systems |
US3772617A (en) * | 1972-11-02 | 1973-11-13 | Bell Telephone Labor Inc | Method and arrangement for setting the remanent flux density in magnetic circuits and equalizer utilizing same |
US3824501A (en) * | 1973-07-12 | 1974-07-16 | Bell Telephone Labor Inc | Automatic cable equalizer |
US3965436A (en) * | 1975-06-20 | 1976-06-22 | General Electric Company | Compressor and expander circuits for compander system |
US4045748A (en) * | 1975-12-19 | 1977-08-30 | The Magnavox Company | Audio control system |
US4011530A (en) * | 1976-03-03 | 1977-03-08 | Tm Systems, Inc. | Two-path telephone line equalization system |
GB1545623A (en) * | 1976-05-19 | 1979-05-10 | Elap | Transmission system and repeater stations therefor |
US4101849A (en) * | 1976-11-08 | 1978-07-18 | Dbx, Inc. | Adaptive filter |
-
1978
- 1978-03-10 DE DE19782810504 patent/DE2810504A1/de active Pending
-
1979
- 1979-02-26 US US06/015,204 patent/US4250459A/en not_active Expired - Lifetime
- 1979-03-05 DE DE7979100649T patent/DE2960471D1/de not_active Expired
- 1979-03-05 EP EP79100649A patent/EP0004054B1/de not_active Expired
- 1979-03-06 MX MX172803A patent/MX146561A/es unknown
- 1979-03-08 AT AT0173779A patent/AT372809B/de not_active IP Right Cessation
- 1979-03-09 CA CA000323066A patent/CA1137180A/en not_active Expired
- 1979-03-09 NO NO790787A patent/NO147089C/no unknown
- 1979-03-09 BR BR7901429A patent/BR7901429A/pt unknown
- 1979-03-09 DK DK098279AA patent/DK148850B/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA1137180A (en) | 1982-12-07 |
NO147089C (no) | 1983-01-26 |
MX146561A (es) | 1982-07-07 |
NO790787L (no) | 1979-09-11 |
US4250459A (en) | 1981-02-10 |
AT372809B (de) | 1983-11-25 |
NO147089B (no) | 1982-10-18 |
EP0004054B1 (de) | 1981-07-15 |
DK98279A (da) | 1979-09-11 |
DE2810504A1 (de) | 1979-09-13 |
DE2960471D1 (en) | 1981-10-22 |
BR7901429A (pt) | 1979-10-09 |
ATA173779A (de) | 1983-03-15 |
EP0004054A1 (de) | 1979-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PHB | Application deemed withdrawn due to non-payment or other reasons |