FI74373B - Signalbehandlingskrets foer behandling av digitalsignaler. - Google Patents

Signalbehandlingskrets foer behandling av digitalsignaler. Download PDF

Info

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
Application number
FI822532A
Other languages
English (en)
Finnish (fi)
Other versions
FI822532L (fi
FI74373C (sv
FI822532A0 (fi
Inventor
Robert Adams Dischert
Original Assignee
Rca Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Publication of FI822532A0 publication Critical patent/FI822532A0/fi
Publication of FI822532L publication Critical patent/FI822532L/fi
Publication of FI74373B publication Critical patent/FI74373B/fi
Application granted granted Critical
Publication of FI74373C publication Critical patent/FI74373C/sv

Links

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.
FI822532A 1981-07-23 1982-07-16 Signalbehandlingskrets för behandling av digitalsignaler. FI74373C (sv)

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)

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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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE3227473C2 (de) 1986-01-23
IT8222503A0 (it) 1982-07-21
FI822532L (fi) 1983-01-24
ATA286182A (de) 1994-04-15
DE3227473A1 (de) 1983-02-10
ES8305517A1 (es) 1983-04-01
NL8202963A (nl) 1983-02-16
AT398506B (de) 1994-12-27
US4396938A (en) 1983-08-02
DK329982A (da) 1983-01-24
DK161927C (da) 1992-03-16
SE452234B (sv) 1987-11-16
AU8611582A (en) 1983-01-27
PL237642A1 (en) 1983-01-31
BE893847A (fr) 1982-11-03
KR880001553B1 (ko) 1988-08-20
HK54189A (en) 1989-07-14
GB2102603B (en) 1985-04-24
FR2510279A1 (fr) 1983-01-28
CA1180128A (en) 1984-12-27
JPS623457B2 (sv) 1987-01-24
PT75203B (en) 1984-05-28
IT1198392B (it) 1988-12-21
PT75203A (en) 1982-08-01
SE8204352D0 (sv) 1982-07-15
KR840000836A (ko) 1984-02-27
GB2102603A (en) 1983-02-02
FR2510279B1 (fr) 1988-09-09
ES514050A0 (es) 1983-04-01
FI74373C (sv) 1988-01-11
JPS5829045A (ja) 1983-02-21
FI822532A0 (fi) 1982-07-16
AU554370B2 (en) 1986-08-21
NZ201354A (en) 1986-04-11
IT8222503A1 (it) 1984-01-21
ZA825140B (en) 1983-07-27
SE8204352L (sv) 1983-01-24
DK161927B (da) 1991-08-26
PL143234B1 (en) 1988-01-30

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MM Patent lapsed

Owner name: RCA LICENSING CORPORATION