Number | Name | Date | Kind |
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3710087 | Siegel | Jan 1973 | |
4412181 | Marguinaud et al. | Oct 1983 |
Entry |
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Patent Application Ser. No. 501,896, "An Auto-Tint Circuit for a TV Receiver", D. Chin. |
Patent Application Ser. No. 487,107, "Automatic Tint Correction as for a Digital TV Receiver", Lewis et al. |