IT8421281A1 - Apparato per generare una serie di segnali di mescolanza dei colori associati ad una serie di assi coordinati da una coppia di segnali di mescolanza dei colori, correlati in quadratura, associati ad una serie differente di assi coordinati - Google Patents
Apparato per generare una serie di segnali di mescolanza dei colori associati ad una serie di assi coordinati da una coppia di segnali di mescolanza dei colori, correlati in quadratura, associati ad una serie differente di assi coordinatiInfo
- Publication number
- IT8421281A1 IT8421281A1 IT1984A21281A IT2128184A IT8421281A1 IT 8421281 A1 IT8421281 A1 IT 8421281A1 IT 1984A21281 A IT1984A21281 A IT 1984A21281A IT 2128184 A IT2128184 A IT 2128184A IT 8421281 A1 IT8421281 A1 IT 8421281A1
- Authority
- IT
- Italy
- Prior art keywords
- series
- color mixing
- signals associated
- mixing signals
- coordinated axes
- Prior art date
Links
- 230000002596 correlated effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/643—Hue control means, e.g. flesh tone control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/67—Circuits for processing colour signals for matrixing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Image Generation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/501,908 US4523221A (en) | 1983-06-07 | 1983-06-07 | TV Receiver circuitry for performing chroma gain, auto-flesh control and the matrixing of I and Q signals to (R-Y), (B-Y) and (G-Y) signals |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8421281A0 IT8421281A0 (it) | 1984-06-06 |
IT8421281A1 true IT8421281A1 (it) | 1985-12-06 |
IT1176277B IT1176277B (it) | 1987-08-18 |
Family
ID=23995518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21281/84A IT1176277B (it) | 1983-06-07 | 1984-06-06 | Apparato per generare una serie di segnali di mescolanza dei colori associati ad una serie di assi coordinati da una coppia di segnali di mescolanza dei colori,correlati in quadratura,associati ad una serie differente di assi coordinati |
Country Status (10)
Country | Link |
---|---|
US (1) | US4523221A (it) |
JP (1) | JPS607285A (it) |
KR (1) | KR920004106B1 (it) |
CA (1) | CA1216659A (it) |
DE (1) | DE3421231C2 (it) |
FR (1) | FR2547476B1 (it) |
GB (1) | GB2141308B (it) |
HK (1) | HK101691A (it) |
IT (1) | IT1176277B (it) |
MY (1) | MY100459A (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4558348A (en) * | 1983-12-30 | 1985-12-10 | Rca Corporation | Digital video signal processing system using asynchronous a-to-d encoding |
US4667223A (en) * | 1984-02-25 | 1987-05-19 | Etutsche ITT Industries GmbH | Flesh tone correction circuit |
JPS60260282A (ja) * | 1984-06-07 | 1985-12-23 | Toshiba Corp | 色信号処理回路 |
US4692889A (en) * | 1984-09-28 | 1987-09-08 | Rca Corporation | Circuitry for calculating magnitude of vector sum from its orthogonal components in digital television receiver |
US4710892A (en) * | 1984-10-29 | 1987-12-01 | Rca Corporation | Phase calculation circuitry in digital television receiver |
US4682213A (en) * | 1985-10-24 | 1987-07-21 | Rca Corporation | Magnitude independent hanging dot detector |
EP0324880B1 (de) * | 1988-01-21 | 1993-09-29 | Deutsche ITT Industries GmbH | Digitale Farbsignalverarbeitungsschaltung |
JPH07101940B2 (ja) * | 1989-11-16 | 1995-11-01 | 株式会社東芝 | 色信号処理回路 |
DE4106306A1 (de) * | 1991-02-28 | 1992-09-03 | Broadcast Television Syst | Verfahren zur farbkorrektur eines videosignals |
BE1007006A3 (nl) * | 1993-04-16 | 1995-02-14 | Koninkl Philips Electronics Nv | Tintdetectieschakeling. |
TW242732B (en) * | 1993-06-29 | 1995-03-11 | Victor Company Of Japan | Digital chrominance signal processing circuit |
US5896121A (en) * | 1995-11-13 | 1999-04-20 | Tektronix, Inc. | Data-dependent color display for vectorscopes |
US6518897B1 (en) * | 2001-08-29 | 2003-02-11 | Trw Inc. | Angle quantization using log division |
US7327404B2 (en) * | 2004-10-22 | 2008-02-05 | Mediatek Incorporation | Methods and systems for color image processing |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1388129A (fr) * | 1963-01-11 | 1965-02-05 | Philips Nv | Circuit pour un récepteur approprié à la réception d'un signal entièrement ou partiellement à bande latérale unique |
US3536827A (en) * | 1967-11-15 | 1970-10-27 | Bell & Howell Co | Color hue error correction apparatus |
US3591707A (en) * | 1969-01-08 | 1971-07-06 | Gen Electric | Color television demodulator |
US3649748A (en) * | 1969-05-12 | 1972-03-14 | Magnavox Co | Method and apparatus for modifying electrical signals |
US4001879A (en) * | 1969-09-20 | 1977-01-04 | Matsushita Electric Industrial Co., Ltd. | Automatic hue-control apparatus for color television receivers |
US3617621A (en) * | 1970-03-17 | 1971-11-02 | Rca Corp | Color compensating circuits |
US3663744A (en) * | 1970-07-22 | 1972-05-16 | Rca Corp | Selective tint correction circuits |
US3852807A (en) * | 1972-04-27 | 1974-12-03 | Motorola Inc | Automatic hue control circuit |
US3873760A (en) * | 1972-10-18 | 1975-03-25 | Gen Electric | Flesh tone correction using color difference signals |
US3996608A (en) * | 1975-05-23 | 1976-12-07 | Rca Corporation | Hue correction apparatus having a restricted range |
US4084178A (en) * | 1976-05-05 | 1978-04-11 | Admiral Corporation | Automatic hue control circuit |
JPS5852391B2 (ja) * | 1978-01-20 | 1983-11-22 | 松下電器産業株式会社 | カラ−テレビジョン受像機の色信号処理装置 |
US4272778A (en) * | 1980-03-03 | 1981-06-09 | Rca Corporation | Color-difference signal processing circuits |
FR2479629B1 (fr) * | 1980-04-01 | 1985-11-08 | Thomson Csf | Procede de demodulation d'un signal module en amplitude, demodulateur mettant en oeuvre ce procede et systeme de television comportant un tel dispositif |
US4300154A (en) * | 1980-06-23 | 1981-11-10 | Zenith Radio Corporation | Color demodulation and matrixing system |
DE3304084C2 (de) * | 1983-02-08 | 1985-08-29 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Integrierte Schaltung für die Einstellung des Hautfarbtons von NTSC-Fernsehempfängern |
-
1983
- 1983-06-07 US US06/501,908 patent/US4523221A/en not_active Expired - Lifetime
-
1984
- 1984-05-30 CA CA000455503A patent/CA1216659A/en not_active Expired
- 1984-06-05 KR KR1019840003131A patent/KR920004106B1/ko not_active IP Right Cessation
- 1984-06-06 JP JP59117442A patent/JPS607285A/ja active Granted
- 1984-06-06 GB GB08414482A patent/GB2141308B/en not_active Expired
- 1984-06-06 FR FR848408878A patent/FR2547476B1/fr not_active Expired
- 1984-06-06 IT IT21281/84A patent/IT1176277B/it active
- 1984-06-07 DE DE3421231A patent/DE3421231C2/de not_active Expired - Fee Related
-
1986
- 1986-12-29 MY MYPI86000250A patent/MY100459A/en unknown
-
1991
- 1991-12-12 HK HK1016/91A patent/HK101691A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1176277B (it) | 1987-08-18 |
DE3421231A1 (de) | 1984-12-13 |
JPS607285A (ja) | 1985-01-16 |
FR2547476B1 (fr) | 1989-10-13 |
IT8421281A0 (it) | 1984-06-06 |
CA1216659A (en) | 1987-01-13 |
JPH0450793B2 (it) | 1992-08-17 |
GB2141308B (en) | 1986-12-03 |
KR920004106B1 (ko) | 1992-05-25 |
GB2141308A (en) | 1984-12-12 |
FR2547476A1 (fr) | 1984-12-14 |
KR850000877A (ko) | 1985-03-09 |
US4523221A (en) | 1985-06-11 |
HK101691A (en) | 1991-12-20 |
MY100459A (en) | 1990-10-15 |
DE3421231C2 (de) | 1993-10-14 |
GB8414482D0 (en) | 1984-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970630 |