发明名称 |
Display apparatus with gamma measurement |
摘要 |
Display apparatus comprises a display screen and drive means for generating an image on the display screen in response to a video signal input from an external video source. The drive means comprises gamma measurement means having a test signal generator for generating a test signal to produce a test image on the display screen, and output detection means for generating a sense signal as a function of the test image produced on the display screen.
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申请公布号 |
US5798790(A) |
申请公布日期 |
1998.08.25 |
申请号 |
US19960631590 |
申请日期 |
1996.04.12 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORP. |
发明人 |
KNOX, ANDREW;BEETESON, JOHN |
分类号 |
G09G1/16;H04N5/202;H04N9/69;H04N17/02;H04N17/04;(IPC1-7):H04N17/02 |
主分类号 |
G09G1/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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