FI74373B - Signalbehandlingskrets foer behandling av digitalsignaler. - Google Patents
Signalbehandlingskrets foer behandling av digitalsignaler. Download PDFInfo
- Publication number
- FI74373B FI74373B FI822532A FI822532A FI74373B FI 74373 B FI74373 B FI 74373B FI 822532 A FI822532 A FI 822532A FI 822532 A FI822532 A FI 822532A FI 74373 B FI74373 B FI 74373B
- Authority
- FI
- Finland
- Prior art keywords
- ram
- signal
- input
- address
- data
- Prior art date
Links
- 230000006870 function Effects 0.000 claims description 31
- 230000015654 memory Effects 0.000 claims description 24
- 238000012546 transfer Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 5
- VVNRQZDDMYBBJY-UHFFFAOYSA-M sodium 1-[(1-sulfonaphthalen-2-yl)diazenyl]naphthalen-2-olate Chemical compound [Na+].C1=CC=CC2=C(S([O-])(=O)=O)C(N=NC3=C4C=CC=CC4=CC=C3O)=CC=C21 VVNRQZDDMYBBJY-UHFFFAOYSA-M 0.000 claims 1
- 238000012937 correction Methods 0.000 description 5
- 241000208818 Helianthus Species 0.000 description 1
- 235000003222 Helianthus annuus Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008672 reprogramming Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Mobile Radio Communication Systems (AREA)
- Microcomputers (AREA)
- Color Television Image Signal Generators (AREA)
Claims (13)
1. Signalbehandlingskrets för behandling av digi-talsignaler motsvarande en Overföringsfunktion som lag- 5 rats av en uppslagstabell, vilken krets omfattar en förs-ta signalbehandlingskanal som innefattar ätminstone ett första RAM-minne som vid utval av en minnesplats medelst en adressignal avger i överensstämmelse med överförings-funktionen data motsvarande innehället i den ifrägavaran-10 de minnesplatsen till en datautgäng, ett flertal styrsig-nalkällor för bestämmande av funktionsvärdena hos över-föringsfunktionen, en anordning för avledande av lämpliga nya innehäll för minnesplatser ur styrsignaler i enlighet med en förutbestämd algoritm och en laddningsanordning 15 för laddande av nya innehäll i RAM-minnet, kanne- t e c k n a d därav, att signalbehandlingskanalen innefattar ett andra RAM-minne (22y) och att adresssignalen kan medelst en omkopplare (320) kopplas valfritt tili det första eller det andra RAM-minnet (22x, 22y) och ladd-20 ningsanordningen (28, 44, 50, 52, 54, 60) inmatar endast det RAM-minne som adressignalen inte kopplats tili.
2. Krets enligt patentkravet 1, känneteck-n a d därav, att den omfattar en andra och en tredje signalbehandlingskanal (10B, 304B, 22B, 306B, 20B resp. 10G, 25 304G, 22G, 306G, 20G) och att samtliga RAM-minnen (22R, 22B, 22G) hos signalbehandlingskanalerna laddats av ladd-ningsanordningen (302).
3. Krets enligt patentkravet 2, känneteck-n a d därav, att kanalerna (10R, 304R, 22R, 306R, 20R; 30 10B, 304B, 22B, 306B, 20B; 10G, 304G, 22G, 306G, 20G) be- handlar signaler som motsvarar televisionssignalens sig-nalkomposanter röd (R), grön (G) och blä (B).
4. Krets enligt patentkravet 1, känneteck-n a d därav, att varje styrsignalkälla (32, 34, 35) upp- 35 visar en digital vridinställningskodare.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28626481 | 1981-07-23 | ||
US06/286,264 US4396938A (en) | 1981-07-23 | 1981-07-23 | Controlled ram signal processor |
Publications (4)
Publication Number | Publication Date |
---|---|
FI822532A0 FI822532A0 (fi) | 1982-07-16 |
FI822532L FI822532L (fi) | 1983-01-24 |
FI74373B true FI74373B (fi) | 1987-09-30 |
FI74373C FI74373C (sv) | 1988-01-11 |
Family
ID=23097801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI822532A FI74373C (sv) | 1981-07-23 | 1982-07-16 | Signalbehandlingskrets för behandling av digitalsignaler. |
Country Status (21)
Country | Link |
---|---|
US (1) | US4396938A (sv) |
JP (1) | JPS5829045A (sv) |
KR (1) | KR880001553B1 (sv) |
AT (1) | AT398506B (sv) |
AU (1) | AU554370B2 (sv) |
BE (1) | BE893847A (sv) |
CA (1) | CA1180128A (sv) |
DE (1) | DE3227473C2 (sv) |
DK (1) | DK161927C (sv) |
ES (1) | ES514050A0 (sv) |
FI (1) | FI74373C (sv) |
FR (1) | FR2510279B1 (sv) |
GB (1) | GB2102603B (sv) |
HK (1) | HK54189A (sv) |
IT (1) | IT1198392B (sv) |
NL (1) | NL8202963A (sv) |
NZ (1) | NZ201354A (sv) |
PL (1) | PL143234B1 (sv) |
PT (1) | PT75203B (sv) |
SE (1) | SE452234B (sv) |
ZA (1) | ZA825140B (sv) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4464723A (en) * | 1981-12-31 | 1984-08-07 | Rca Corporation | Digital gain control system |
US4447826A (en) * | 1982-03-18 | 1984-05-08 | Rca Corporation | Digital television receiver automatic chroma control system |
CA1210158A (en) * | 1983-06-17 | 1986-08-19 | Ronald G. Everett | Electronic digital data processor |
US4567521A (en) * | 1983-06-28 | 1986-01-28 | Racal Data Communications Inc. | Processor controlled digital video sync generation |
US4575749A (en) * | 1983-07-28 | 1986-03-11 | Rca Corporation | Component companding in a multiplexed component system |
JPS6093682A (ja) * | 1983-10-25 | 1985-05-25 | Sony Corp | デイジタル非線形プリエンフアシス回路 |
US4599640A (en) * | 1984-02-29 | 1986-07-08 | Rca Corporation | Television camera with multiplexed A-D converter |
GB2160065B (en) * | 1984-06-09 | 1988-11-09 | Fuji Photo Film Co Ltd | Method of processing an image signal |
JPH0657066B2 (ja) * | 1984-12-20 | 1994-07-27 | キヤノン株式会社 | カラ−調整装置 |
GB8432552D0 (en) * | 1984-12-21 | 1985-02-06 | Plessey Co Plc | Control circuits |
JPH0652943B2 (ja) * | 1985-01-18 | 1994-07-06 | ソニー株式会社 | 映像機器 |
WO1987000943A1 (en) * | 1985-08-02 | 1987-02-12 | Ant Nachrichtentechnik Gmbh | Circuit and process for coefficient transmission |
US4688095A (en) * | 1986-02-07 | 1987-08-18 | Image Technology Incorporated | Programmable image-transformation system |
JPS62278682A (ja) * | 1986-05-27 | 1987-12-03 | Fanuc Ltd | 画像処理装置 |
JPS63290539A (ja) * | 1987-05-22 | 1988-11-28 | Olympus Optical Co Ltd | 内視鏡用画像入力装置 |
US4786968A (en) * | 1987-07-16 | 1988-11-22 | Sony Corporation | Gamma correction of digital video data by calculating linearly interpolated gamma correction values |
GB2223643B (en) * | 1988-10-05 | 1993-04-07 | Marconi Gec Ltd | Data processing apparatus |
US4979042A (en) * | 1989-05-30 | 1990-12-18 | Eastman Kodak Company | Apparatus for correcting shading effects in video images |
US4970598A (en) * | 1989-05-30 | 1990-11-13 | Eastman Kodak Company | Method for correcting shading effects in video images |
JPH03276968A (ja) * | 1989-09-19 | 1991-12-09 | Ikegami Tsushinki Co Ltd | 非線形量子化回路の誤差補正方法および回路 |
US5051827A (en) * | 1990-01-29 | 1991-09-24 | The Grass Valley Group, Inc. | Television signal encoder/decoder configuration control |
US5170251A (en) * | 1991-05-16 | 1992-12-08 | Sony Corporation Of America | Method and apparatus for storing high definition video data for interlace or progressive access |
JPH0556372A (ja) * | 1991-08-27 | 1993-03-05 | Toshiba Corp | Dsp使用テレビジヨン受像機 |
DE19741969C2 (de) * | 1997-09-23 | 2001-04-12 | Siemens Ag | Rekursives Filter und Anwendung des Filters |
JP2007139842A (ja) * | 2005-11-15 | 2007-06-07 | Nec Electronics Corp | 表示装置、データドライバic、及びタイミングコントローラ |
FR2981669B1 (fr) | 2011-10-19 | 2016-02-05 | Gravasac | Procede de reparation d'un revetement bitumineux |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5267210A (en) * | 1975-12-01 | 1977-06-03 | Toshiba Corp | Facsimile transmission equipment |
GB1568378A (en) * | 1976-01-30 | 1980-05-29 | Micro Consultants Ltd | Video processing system |
US4240113A (en) * | 1976-10-14 | 1980-12-16 | Micro Consultants, Limited | Picture manipulation in video systems |
US4240106A (en) * | 1976-10-14 | 1980-12-16 | Micro Consultants, Limited | Video noise reduction |
GB1594341A (en) * | 1976-10-14 | 1981-07-30 | Micro Consultants Ltd | Picture information processing system for television |
US4126814A (en) * | 1976-12-09 | 1978-11-21 | Rca Corporation | Electron gun control system |
FR2379946A1 (fr) * | 1977-02-04 | 1978-09-01 | Labo Cent Telecommunicat | Filtre numerique |
US4212072A (en) * | 1978-03-07 | 1980-07-08 | Hughes Aircraft Company | Digital scan converter with programmable transfer function |
GB2020508B (en) * | 1978-03-08 | 1983-03-09 | Nippon Electric Co | Noise reduction system for colour television signal |
IT1159686B (it) * | 1978-05-22 | 1987-03-04 | Indesit | Televisore |
US4222076A (en) * | 1978-09-15 | 1980-09-09 | Bell Telephone Laboratories, Incorporated | Progressive image transmission |
CA1152650A (en) * | 1979-02-27 | 1983-08-23 | Ernst A. Munter | Pcm and pam conversion circuit including signal level variation on the pcm portion of the circuit |
JPS55119722A (en) * | 1979-03-07 | 1980-09-13 | Toshiba Corp | Code converter |
US4216503A (en) * | 1979-03-26 | 1980-08-05 | Xerox Corporation | Signal restoration and gain control for image viewing devices |
JPS5654479A (en) * | 1979-10-12 | 1981-05-14 | Hitachi Ltd | Picture image data processor |
JPS5688138A (en) * | 1979-12-21 | 1981-07-17 | Dainippon Screen Mfg Co Ltd | Forming method of memory table |
US4309772A (en) * | 1980-01-24 | 1982-01-05 | Motorola, Inc. | Soft quantizer for FM radio binary digital signaling |
US4340903A (en) * | 1980-08-06 | 1982-07-20 | Sony Corporation | Television camera |
-
1981
- 1981-07-23 US US06/286,264 patent/US4396938A/en not_active Expired - Lifetime
-
1982
- 1982-07-07 PT PT75203A patent/PT75203B/pt unknown
- 1982-07-14 CA CA000407263A patent/CA1180128A/en not_active Expired
- 1982-07-15 BE BE0/208597A patent/BE893847A/fr not_active IP Right Cessation
- 1982-07-15 SE SE8204352A patent/SE452234B/sv not_active IP Right Cessation
- 1982-07-16 ES ES514050A patent/ES514050A0/es active Granted
- 1982-07-16 AU AU86115/82A patent/AU554370B2/en not_active Ceased
- 1982-07-16 FI FI822532A patent/FI74373C/sv not_active IP Right Cessation
- 1982-07-19 GB GB08220834A patent/GB2102603B/en not_active Expired
- 1982-07-19 ZA ZA825140A patent/ZA825140B/xx unknown
- 1982-07-20 JP JP57127420A patent/JPS5829045A/ja active Granted
- 1982-07-20 KR KR8203232A patent/KR880001553B1/ko not_active IP Right Cessation
- 1982-07-21 IT IT22503/82A patent/IT1198392B/it active
- 1982-07-22 NL NL8202963A patent/NL8202963A/nl not_active Application Discontinuation
- 1982-07-22 DK DK329982A patent/DK161927C/da not_active IP Right Cessation
- 1982-07-22 NZ NZ201354A patent/NZ201354A/en unknown
- 1982-07-22 FR FR8212828A patent/FR2510279B1/fr not_active Expired
- 1982-07-22 DE DE3227473A patent/DE3227473C2/de not_active Expired
- 1982-07-23 AT AT0286182A patent/AT398506B/de not_active IP Right Cessation
- 1982-07-23 PL PL1982237642A patent/PL143234B1/pl unknown
-
1989
- 1989-07-06 HK HK541/89A patent/HK54189A/xx not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: RCA LICENSING CORPORATION |