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United States Utility Patents
4,947,240 - 4,947,249

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NumberTitle
4,947,240 Method and circuit apparatus for combining two television signals
4,947,241 Training signal for maintaining the correct phase and gain relationship between signals in a two-signal high definition television system
4,947,242 White balance control with adjusting means responsive to image brightness change
4,947,243 Method of and arrangements for coding and decoding color television signals using a separate series arrangement of a low-pass filter and a vertical temporal filter for each color difference signal
4,947,244 Video selection and distribution system
4,947,245 Image picking-up and processing apparatus
4,947,246 Color endoscope apparatus including color lighting control
4,947,247 Displacement measurement apparatus and method for an automated flow rotameter
4,947,248 Hybrid encoder for video signals comprising a motion estimator and an inter-intraframe encoding selector which comprise a common calculation module
4,947,249 Apparatus in which subsampling and block coding are both employed for coding digital video data


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