发明名称 |
White balance control system |
摘要 |
A quality of blue light projected on a screen is detected. A ratio of the detected quantity of the light to a whole quantity is calculated. The calculated ratio is compared with a reference ratio, and a deviation of the calculated ratio from the reference ratio is corrected so as to provide a white balance.
|
申请公布号 |
US5293224(A) |
申请公布日期 |
1994.03.08 |
申请号 |
US19920911374 |
申请日期 |
1992.07.13 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
AJIMA, KOHSUKE |
分类号 |
H04N9/73;(IPC1-7):H04N9/31 |
主分类号 |
H04N9/73 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|