FR2287819B1 - - Google Patents
Info
- Publication number
- FR2287819B1 FR2287819B1 FR7531143A FR7531143A FR2287819B1 FR 2287819 B1 FR2287819 B1 FR 2287819B1 FR 7531143 A FR7531143 A FR 7531143A FR 7531143 A FR7531143 A FR 7531143A FR 2287819 B1 FR2287819 B1 FR 2287819B1
- Authority
- FR
- France
- 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
Links
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
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Image Signal Generators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2448505A DE2448505C3 (de) | 1974-10-11 | 1974-10-11 | System zur selbsttätigen Korrektur der Farbbalance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2287819A1 FR2287819A1 (fr) | 1976-05-07 |
| FR2287819B1 true FR2287819B1 (https=) | 1982-08-27 |
Family
ID=5928076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7531143A Granted FR2287819A1 (fr) | 1974-10-11 | 1975-10-10 | Systeme de correction automatique du gris equivalent |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4047202A (https=) |
| JP (1) | JPS6040237B2 (https=) |
| BR (1) | BR7506648A (https=) |
| CA (1) | CA1063234A (https=) |
| DE (1) | DE2448505C3 (https=) |
| FR (1) | FR2287819A1 (https=) |
| GB (1) | GB1506413A (https=) |
| NL (1) | NL7511887A (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2543218A1 (de) * | 1975-09-27 | 1977-04-07 | Bosch Gmbh Robert | System zur selbsttaetigen korrektur der farbbalance zwischen den farbwertsignalen einer farbsignalquelle |
| JPS5493323A (en) * | 1977-12-08 | 1979-07-24 | Hitachi Denshi Ltd | White and black balance control system for color television camera |
| JPS604637B2 (ja) * | 1980-06-02 | 1985-02-05 | 日本ビクター株式会社 | テレビジヨンカメラにおける自動白色調節回路 |
| JPS57197987A (en) * | 1981-05-30 | 1982-12-04 | Sony Corp | White balance correcting device |
| DE3486390T3 (de) * | 1983-03-08 | 1999-05-12 | Canon K.K., Tokio/Tokyo | Bildverarbeitungsgerät. |
| JPS6318933U (https=) * | 1986-07-24 | 1988-02-08 | ||
| US4805010A (en) * | 1987-05-29 | 1989-02-14 | Eastman Kodak Company | Still video camera with common circuit for color balance and exposure control |
| US4814864A (en) * | 1987-05-29 | 1989-03-21 | Eastman Kodak Co. | Video camera with automatic prescaling for color balance |
| JPH02102140U (https=) * | 1989-01-27 | 1990-08-14 | ||
| JPH02287594A (ja) * | 1989-04-28 | 1990-11-27 | Sony Corp | クリアブルー回路 |
| DE3924336C2 (de) * | 1989-07-22 | 1998-12-03 | Philips Broadcast Television S | Schaltungsanordnung zur automatischen Korrektur der Farbbalance |
| US5097335A (en) * | 1989-10-02 | 1992-03-17 | Eastman Kodak Company | Mechanism for eliminating colored shadow/highlight errors in scanned color image |
| US5361093A (en) * | 1991-09-02 | 1994-11-01 | Matsushita Electric Industrial Co., Ltd. | Automatic white balance setting device |
| US5274439A (en) * | 1992-03-31 | 1993-12-28 | Panasonic Technologies, Inc. | Apparatus for clipping or limiting color signals to maintain color balance |
| JP4063418B2 (ja) * | 1998-09-11 | 2008-03-19 | イーストマン コダック カンパニー | オートホワイトバランス装置 |
| US6553140B1 (en) * | 1999-04-16 | 2003-04-22 | Avid Technology, Inc. | Method and system for spill correction |
| US8374428B2 (en) | 2010-12-05 | 2013-02-12 | Microsoft Corporation | Color balancing for partially overlapping images |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814369B1 (https=) * | 1969-02-22 | 1973-05-07 | ||
| DE1939515B2 (de) * | 1969-08-02 | 1971-05-19 | Fernseh GmbH 6100 Darmstadt | Verfahren und anoednung zur korrektur von farbfehlern bei der fernsehmaessigen abtastung von farbfilmen |
| NL7009523A (https=) * | 1970-06-27 | 1971-12-29 | ||
| US3735026A (en) * | 1971-09-03 | 1973-05-22 | Columbia Broadcasting Syst Inc | Automatic color corrector for a color video signal |
| JPS545927B2 (https=) * | 1972-10-19 | 1979-03-23 | ||
| US3786177A (en) * | 1972-06-19 | 1974-01-15 | Rca Corp | Apparatus for automatic color balancing of television camera signals |
| US3821789A (en) * | 1972-11-06 | 1974-06-28 | Magnavox Co | Chroma tracking circuit |
-
1974
- 1974-10-11 DE DE2448505A patent/DE2448505C3/de not_active Expired
-
1975
- 1975-10-07 US US05/620,409 patent/US4047202A/en not_active Expired - Lifetime
- 1975-10-09 JP JP50121419A patent/JPS6040237B2/ja not_active Expired
- 1975-10-09 NL NL7511887A patent/NL7511887A/xx not_active Application Discontinuation
- 1975-10-10 CA CA237,453A patent/CA1063234A/en not_active Expired
- 1975-10-10 BR BR7506648*A patent/BR7506648A/pt unknown
- 1975-10-10 FR FR7531143A patent/FR2287819A1/fr active Granted
- 1975-10-10 GB GB41534/75A patent/GB1506413A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2448505B2 (de) | 1977-06-30 |
| FR2287819A1 (fr) | 1976-05-07 |
| DE2448505C3 (de) | 1978-03-09 |
| JPS5164825A (en) | 1976-06-04 |
| GB1506413A (en) | 1978-04-05 |
| US4047202A (en) | 1977-09-06 |
| NL7511887A (nl) | 1976-04-13 |
| CA1063234A (en) | 1979-09-25 |
| BR7506648A (pt) | 1976-08-17 |
| JPS6040237B2 (ja) | 1985-09-10 |
| DE2448505A1 (de) | 1976-04-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |