Image display apparatus

Details Image display apparatus Image display apparatus

G - Physics

02

B

G02B 27/18 (2006.01) H04N 5/202 (2006.01) H04N 5/74 (2006.01) H04N 9/12 (2006.01) H04N 5/57 (2006.01)

Patent

CA 2229321

Image display apparatus (2) comprising at least one display projector for displaying an image, signal generator means for generating a control signal for controlling the intensity of the image, modulator means (4, 6) for generating a modulation waveform for modulating the intensity of the image, and adjustor means (8, 10) for adjusting the modulation waveform to improve the performance of the modulation waveform at various image intensities, the image display apparatus being such that it uses different modulation waveforms for various image intensities, it uses a proportion of at least one modulation waveform in dependence upon the control signal, and it uses the resultant modulation waveform to modulate the control signal.

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