| 发明名称 |
WERKWIJZE EN INRICHTING VOOR HET CODEREN EN DECODEREN VAN VIDEOSIGNALEN. |
| 摘要 |
<p>A method and means for coding and decoding video signals by repetitive video signal polarity reversal includes the steps of comparing the brightness level of a predetermined time period of the video signal with the brightness level of the video signal over the previous predetermined time period. The polarity of the video signal is inverted or reversed if the difference in brightness level between successive predetermined time periods exceeds a given value.</p> |
| 申请公布号 |
NL8102350(A) |
申请公布日期 |
1981.12.01 |
| 申请号 |
NL19810002350 |
申请日期 |
1981.05.13 |
| 申请人 |
OAK INDUSTRIES INC. TE RANCHO BERNARDO, CALIFORNIE, VER. ST. V. AM. |
发明人 |
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| 分类号 |
H04N7/167;(IPC1-7):04N7/16;04N7/13 |
主分类号 |
H04N7/167 |
| 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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