发明名称 |
Comb filter device |
摘要 |
A comb filter device has two operation modes, one mode being a conventional comb filter when input signals have high correlation between sequential lines, and the other mode being a simple amplifier when input signals have low or no line correlation. Therefore, this comb filter has little deterioration of vertical resolution of a television picture.
|
申请公布号 |
US4307413(A) |
申请公布日期 |
1981.12.22 |
申请号 |
US19800112442 |
申请日期 |
1980.01.16 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAKEUCHI, AKIHIRO;KOBAYASHI, MASA-AKI |
分类号 |
H04N9/78;(IPC1-7):H04N9/53 |
主分类号 |
H04N9/78 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|