| 发明名称 |
Amplitude characteristics of TV vertical frequency signal |
| 摘要 |
A amplitude characteristics of TV vertical frequency signal is improved by operating amplitudes of luminance signal obtained from a horizontal scan in a field and luminance signals obtained from a preceding and a subsequent horizontal scans in the same field and those luminance signals obtained in a preceding field, simultaneously.
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| 申请公布号 |
US4882628(A) |
申请公布日期 |
1989.11.21 |
| 申请号 |
US19890299377 |
申请日期 |
1989.01.23 |
| 申请人 |
NIPPON TELEVISION NETWORK CORPORATION |
发明人 |
SUGIMORI, YOSHIO;ARAKI, YOUSAI;KUROSAKI, TADAO;URANO, JOJI |
| 分类号 |
H04N5/205;H04N5/20;H04N5/262;H04N9/64 |
主分类号 |
H04N5/205 |
| 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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