| 摘要 |
<p>PURPOSE:To keep the uniformity of display luminance required, even if the write- in speed of the reception data is changed, by rejecting the interference signal mixed to the periodical input signal and setting the short distance range. CONSTITUTION:The reception data by #0 transmission pulse is added to the shift register 6-1 via the AND 5-1 over the time axis of the write-in gate, and when the write-in clock C is fed via the AND 9-1 and OR11, the write-in for all the data to be written in is finished. Next, the time width tR of the readout gate G to read out the data from the shift register is made as tR/tW=n to the write-in gate time tW, and by taking the time ratio n as 1 or more for a short distance range and 1 or less for the long distance range, the readout speed can always be constant independently of the write-in speed. Thus, even if the write-in speed for the reception data is changed, the uniformity of display luminance required and sufficient can be kept.</p> |
