BR8504390A - Circuito de controle de equilibrio do branco automatico - Google Patents
Circuito de controle de equilibrio do branco automaticoInfo
- Publication number
- BR8504390A BR8504390A BR8504390A BR8504390A BR8504390A BR 8504390 A BR8504390 A BR 8504390A BR 8504390 A BR8504390 A BR 8504390A BR 8504390 A BR8504390 A BR 8504390A BR 8504390 A BR8504390 A BR 8504390A
- Authority
- BR
- Brazil
- Prior art keywords
- white balance
- capacitors
- voltage
- balance control
- sensor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
- Endoscopes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59190269A JPH0632441B2 (ja) | 1984-09-11 | 1984-09-11 | ホワイトバランスの自動調整回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8504390A true BR8504390A (pt) | 1986-07-08 |
Family
ID=16255337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8504390A BR8504390A (pt) | 1984-09-11 | 1985-09-11 | Circuito de controle de equilibrio do branco automatico |
Country Status (8)
Country | Link |
---|---|
US (1) | US4646161A (pt) |
EP (1) | EP0174784B1 (pt) |
JP (1) | JPH0632441B2 (pt) |
AT (1) | ATE48358T1 (pt) |
BR (1) | BR8504390A (pt) |
CA (1) | CA1215168A (pt) |
DE (1) | DE3574553D1 (pt) |
ES (1) | ES8700824A1 (pt) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739393A (en) * | 1985-11-05 | 1988-04-19 | Sanyo Electric Co., Ltd. | Circuit for performing white balance correction using two color temperature sensors |
DE3750012T2 (de) * | 1986-09-09 | 1994-09-29 | Fuji Photo Film Co Ltd | Elektronische Stehbildkamera zur Kompensierung der Farbtemperaturabhängigkeit von Farbvideosignalen. |
JP2632817B2 (ja) * | 1986-10-30 | 1997-07-23 | キヤノン株式会社 | 測色回路 |
US4814864A (en) * | 1987-05-29 | 1989-03-21 | Eastman Kodak Co. | Video camera with automatic prescaling for color balance |
US4805010A (en) * | 1987-05-29 | 1989-02-14 | Eastman Kodak Company | Still video camera with common circuit for color balance and exposure control |
US4899212A (en) * | 1987-08-28 | 1990-02-06 | Fuji Photo Film Co., Ltd. | White balance adjusting device for a camera |
JPH01106677A (ja) * | 1987-10-20 | 1989-04-24 | Sony Corp | 電荷転送素子の出力回路 |
US4965449A (en) * | 1988-03-23 | 1990-10-23 | Canon Kabushiki Kaisha | Color information detecting device |
JP2897214B2 (ja) * | 1988-04-15 | 1999-05-31 | ソニー株式会社 | テレビ受像機の自動レベル補正装置 |
US5283635A (en) * | 1988-06-03 | 1994-02-01 | Canon Kabushiki Kaisha | White balance adjusting device with plural thresholds for range control |
JPH02257787A (ja) * | 1989-03-30 | 1990-10-18 | Canon Inc | 撮像装置のホワイトバランス補正装置 |
US5198890A (en) * | 1989-03-30 | 1993-03-30 | Canon Kabushiki Kaisha | White balance correcting device for an image sensing |
KR920003648B1 (ko) * | 1989-05-10 | 1992-05-06 | 삼성전자 주식회사 | Cctv의 자동 제어시스템 |
JPH0341894A (ja) * | 1989-07-07 | 1991-02-22 | Ricoh Co Ltd | デジタルテレコンバータ装置 |
US5043804A (en) * | 1990-04-25 | 1991-08-27 | Mitsubishi Denki Kabushiki Kaisha | Color video camera with color reproducibility compensation for discharge lamp ambient light source |
JPH04279142A (ja) * | 1990-12-21 | 1992-10-05 | Olympus Optical Co Ltd | 内視鏡用tvカメラ装置 |
JP3163660B2 (ja) * | 1991-07-31 | 2001-05-08 | ソニー株式会社 | カラービデオカメラのホワイトバランス調整装置 |
JP3734306B2 (ja) * | 1996-05-13 | 2006-01-11 | ローム株式会社 | カラーエンコーダ |
US6995791B2 (en) * | 2002-04-02 | 2006-02-07 | Freescale Semiconductor, Inc. | Automatic white balance for digital imaging |
US8943396B2 (en) | 2011-07-18 | 2015-01-27 | At&T Intellectual Property I, Lp | Method and apparatus for multi-experience adaptation of media content |
US9084001B2 (en) | 2011-07-18 | 2015-07-14 | At&T Intellectual Property I, Lp | Method and apparatus for multi-experience metadata translation of media content with metadata |
US8861875B1 (en) | 2011-07-29 | 2014-10-14 | Teradici Corporation | Method and apparatus for encoding changed image regions |
US9237362B2 (en) * | 2011-08-11 | 2016-01-12 | At&T Intellectual Property I, Lp | Method and apparatus for multi-experience translation of media content with sensor sharing |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1291601A (en) * | 1969-01-06 | 1972-10-04 | British Broadcasting Corp | Improvements in or relating to colour television cameras |
US4123775A (en) * | 1977-05-02 | 1978-10-31 | The Magnavox Company | Apparatus and method for adjusting the color temperature of a television receiver |
JPS54122181A (en) * | 1978-03-15 | 1979-09-21 | Sony Corp | Color temperature detector |
JPS55136782A (en) * | 1979-04-11 | 1980-10-24 | Sharp Corp | White balance detection circuit in color television camara |
JPS566585A (en) * | 1979-06-28 | 1981-01-23 | Sony Corp | Television camera |
GB2061661B (en) * | 1979-08-31 | 1984-05-10 | Victor Company Of Japan | Automatic white adjusting circuit for a television camera |
JPS605113B2 (ja) * | 1979-08-31 | 1985-02-08 | 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 |
JPS5642482A (en) * | 1979-09-17 | 1981-04-20 | Hitachi Ltd | White balance regulator of color video 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 |
JPS5726978A (en) * | 1980-07-25 | 1982-02-13 | Sony Corp | Color image sensing device |
US4395730A (en) * | 1981-05-26 | 1983-07-26 | Shen Chou Ming | Automatic color-temperature compensation device |
JPS58194488A (ja) * | 1982-05-07 | 1983-11-12 | Nippon Kogaku Kk <Nikon> | 色バランス調整装置 |
JPS58225792A (ja) * | 1982-06-24 | 1983-12-27 | Nippon Kogaku Kk <Nikon> | カラ−テレビジヨンカメラ |
JPS617177U (ja) * | 1984-06-18 | 1986-01-17 | 日立電子株式会社 | カメラ用色温度補正装置 |
-
1984
- 1984-09-11 JP JP59190269A patent/JPH0632441B2/ja not_active Expired - Fee Related
-
1985
- 1985-08-30 AT AT85306172T patent/ATE48358T1/de not_active IP Right Cessation
- 1985-08-30 DE DE8585306172T patent/DE3574553D1/de not_active Expired - Lifetime
- 1985-08-30 EP EP85306172A patent/EP0174784B1/en not_active Expired
- 1985-09-03 CA CA000489929A patent/CA1215168A/en not_active Expired
- 1985-09-10 US US06/774,584 patent/US4646161A/en not_active Expired - Lifetime
- 1985-09-10 ES ES546834A patent/ES8700824A1/es not_active Expired
- 1985-09-11 BR BR8504390A patent/BR8504390A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3574553D1 (de) | 1990-01-04 |
ATE48358T1 (de) | 1989-12-15 |
JPH0632441B2 (ja) | 1994-04-27 |
US4646161A (en) | 1987-02-24 |
CA1215168A (en) | 1986-12-09 |
JPS6167383A (ja) | 1986-04-07 |
EP0174784A1 (en) | 1986-03-19 |
EP0174784B1 (en) | 1989-11-29 |
ES546834A0 (es) | 1986-10-16 |
ES8700824A1 (es) | 1986-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 11/09/2000 |