DE69114918D1 - Verfahren zur Regelung eines Pegeldekodierers für mehrstufige Signale und Fernsehempfänger mit einem solchen Dekodierer. - Google Patents
Verfahren zur Regelung eines Pegeldekodierers für mehrstufige Signale und Fernsehempfänger mit einem solchen Dekodierer.Info
- Publication number
- DE69114918D1 DE69114918D1 DE69114918T DE69114918T DE69114918D1 DE 69114918 D1 DE69114918 D1 DE 69114918D1 DE 69114918 T DE69114918 T DE 69114918T DE 69114918 T DE69114918 T DE 69114918T DE 69114918 D1 DE69114918 D1 DE 69114918D1
- Authority
- DE
- Germany
- Prior art keywords
- decoder
- controlling
- television receivers
- stage signals
- level
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/083—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical and the horizontal blanking interval, e.g. MAC data signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/063—Setting decision thresholds using feedback techniques only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/066—Multilevel decisions, not including self-organising maps
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
- H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9007649A FR2663483A1 (fr) | 1990-06-19 | 1990-06-19 | Procede de reglage d'un decodeur a seuil pour un signal a plusieurs niveaux et recepteur de television muni d'un tel decodeur. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69114918D1 true DE69114918D1 (de) | 1996-01-11 |
DE69114918T2 DE69114918T2 (de) | 1996-06-27 |
Family
ID=9397775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69114918T Expired - Lifetime DE69114918T2 (de) | 1990-06-19 | 1991-06-13 | Verfahren zur Regelung eines Pegeldekodierers für mehrstufige Signale und Fernsehempfänger mit einem solchen Dekodierer. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5274674A (de) |
EP (1) | EP0462654B1 (de) |
JP (1) | JP3202037B2 (de) |
DE (1) | DE69114918T2 (de) |
FI (1) | FI103000B (de) |
FR (1) | FR2663483A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2699355B1 (fr) * | 1992-12-15 | 1995-02-17 | Matra Communication | Procédé de constitution de multiplex numérique et dispositif de mis en Óoeuvre dudit procédé. |
JP3689986B2 (ja) * | 1996-06-28 | 2005-08-31 | ソニー株式会社 | デジタル衛星放送受信機及びそのアンテナレベル表示方法 |
US6002723A (en) * | 1997-08-15 | 1999-12-14 | Lockheed Martin Corporation | Digital receiver having programmable complex threshold detectors and threshold interpreters |
US6307899B1 (en) | 1998-06-16 | 2001-10-23 | Ameritech Corporation | Method and system for optimizing coding gain |
GB9821385D0 (en) * | 1998-10-01 | 1998-11-25 | British Broadcasting Corp | Improvements relating to measuring channel state from a received signal and discriminating digital values from a received signal,suitable for use in cofdm |
US6525775B1 (en) * | 1998-10-09 | 2003-02-25 | Matsushita Electric Industrial Co., Ltd. | Method for updating software in a digital television receiver using recorded data |
JP4019555B2 (ja) * | 1999-05-25 | 2007-12-12 | Kddi株式会社 | 光受信装置及び方法 |
US6636991B1 (en) * | 1999-12-23 | 2003-10-21 | Intel Corporation | Flexible method for satisfying complex system error handling requirements via error promotion/demotion |
GB2371187A (en) * | 2001-01-15 | 2002-07-17 | Marconi Comm Ltd | Signal slicing circuit with variable threshold levels |
JP2006270278A (ja) * | 2005-03-23 | 2006-10-05 | Nec Engineering Ltd | バイポーラ/ユニポーラ変換回路 |
EP2538565A4 (de) * | 2010-02-19 | 2017-08-02 | Furukawa Electric Co., Ltd. | Impulsempfänger und verstärkungssignal-empfangsverfahren |
KR102623271B1 (ko) * | 2021-10-05 | 2024-01-09 | 주쌍돈 | 휴대용 파워뱅크장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1041378B (it) * | 1975-06-10 | 1980-01-10 | Cselt Centro Studi Lab Telecom | Dispositivo per il rilevamento della qualita di trasmissione nei ricevitori di segnali numerici |
US4479255A (en) * | 1978-05-12 | 1984-10-23 | Electronique Marcel Dassault | Apparatus for acquiring and collecting radio signals coming from a plurality of stations |
JPS60249447A (ja) * | 1984-05-25 | 1985-12-10 | Kokusai Denshin Denwa Co Ltd <Kdd> | 軟判定復調方式 |
US4625240A (en) * | 1984-07-25 | 1986-11-25 | Eeco, Inc. | Adaptive automatic gain control |
GB8521019D0 (en) * | 1985-08-22 | 1986-10-01 | Rank Pullin Controls Ltd | Imaging apparatus |
-
1990
- 1990-06-19 FR FR9007649A patent/FR2663483A1/fr not_active Withdrawn
-
1991
- 1991-06-07 US US07/712,221 patent/US5274674A/en not_active Expired - Lifetime
- 1991-06-13 EP EP91201462A patent/EP0462654B1/de not_active Expired - Lifetime
- 1991-06-13 DE DE69114918T patent/DE69114918T2/de not_active Expired - Lifetime
- 1991-06-14 FI FI912891A patent/FI103000B/fi not_active IP Right Cessation
- 1991-06-17 JP JP17043691A patent/JP3202037B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI103000B1 (fi) | 1999-03-31 |
JP3202037B2 (ja) | 2001-08-27 |
FI912891A0 (fi) | 1991-06-14 |
EP0462654A1 (de) | 1991-12-27 |
JPH04233386A (ja) | 1992-08-21 |
FI912891A (fi) | 1991-12-20 |
US5274674A (en) | 1993-12-28 |
EP0462654B1 (de) | 1995-11-29 |
FI103000B (fi) | 1999-03-31 |
FR2663483A1 (fr) | 1991-12-20 |
DE69114918T2 (de) | 1996-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: NXP B.V., EINDHOVEN, NL |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: TRIDENT MICROSYSTEMS (FAR EAST) LTD., GRAND CA, KY |