发明名称 |
Television image format conversion system including noise reduction apparatus |
摘要 |
A television signal receiver processes a television signal representing a letterbox image display format with a main image region, and a bar region containing auxiliary information to help convert from interlaced to progressive scanning. The auxiliary information is processed in a signal path including a nonlinear amplitude expander and apparatus for modifying the operation of the signal path as a function of the noise content of the television signal.
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申请公布号 |
US5384599(A) |
申请公布日期 |
1995.01.24 |
申请号 |
US19920839651 |
申请日期 |
1992.02.21 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
CASAVANT, SCOTT D.;PERLMAN, STUART S. |
分类号 |
H04N7/015;H04N7/00;H04N7/01;(IPC1-7):H04N7/01;H04N7/04;H04N11/20 |
主分类号 |
H04N7/015 |
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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