GB1506413A - Colour television apparatus - Google Patents
Colour television apparatusInfo
- Publication number
- GB1506413A GB1506413A GB41534/75A GB4153475A GB1506413A GB 1506413 A GB1506413 A GB 1506413A GB 41534/75 A GB41534/75 A GB 41534/75A GB 4153475 A GB4153475 A GB 4153475A GB 1506413 A GB1506413 A GB 1506413A
- Authority
- GB
- United Kingdom
- Prior art keywords
- colour
- signals
- circuit
- saturation
- balance
- 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
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 (1)
| Publication Number | Publication Date |
|---|---|
| GB1506413A true GB1506413A (en) | 1978-04-05 |
Family
ID=5928076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB41534/75A Expired GB1506413A (en) | 1974-10-11 | 1975-10-10 | Colour television apparatus |
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=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236639A (en) * | 1989-07-22 | 1991-04-10 | Broadcast Television Syst | Television automatic colour balance correction circuit |
Families Citing this family (16)
| 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 |
| 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
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236639A (en) * | 1989-07-22 | 1991-04-10 | Broadcast Television Syst | Television automatic colour balance correction circuit |
| GB2236639B (en) * | 1989-07-22 | 1993-12-22 | Broadcast Television Syst | Circuit arrangement for the automatic correction of colour balance |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2448505B2 (de) | 1977-06-30 |
| FR2287819A1 (fr) | 1976-05-07 |
| FR2287819B1 (https=) | 1982-08-27 |
| DE2448505C3 (de) | 1978-03-09 |
| JPS5164825A (en) | 1976-06-04 |
| 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 |
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| GB1506413A (en) | Colour television apparatus | |
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| JPS6446391A (en) | Method and device for automatically adjusting white balance | |
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| JPS6132875B2 (https=) | ||
| GB1506698A (en) | Colour television apparatus | |
| GB1332590A (en) | Video signal control circuits for colour television receivers | |
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| JPS6460090A (en) | Automatic white balance control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19941010 |