G - Physics – 11 – B
Patent
G - Physics
11
B
314/43
G11B 7/125 (2006.01) G06K 15/12 (2006.01) G11B 7/135 (2006.01)
Patent
CA 2032288
HCI 017 P2 Abstract of the Disclosure An LED exposure array and system for printers, and methods of inputting data to and operating the array, are disclosed. The array can be loaded and refreshed with data information at rates compatible with high speed printing, and includes an LED configuration which can emit high energy in a controlled pattern to give a desired pixel spot on a photoreceptor. The array incorporates a system for compensating for differences in illuminating capability of a large array of LEDs, by introducing modifications in LED on- time which are centered with respect to the incremental area of the photoreceptor on which a pixel is to be formed, and to compensate for changes in pixel exposure time with increase in speed of the photoreceptor. A unique mounting of the array maintains each light emitting spot in focus on the photoreceptor surface, although a wide array is employed. There is also disclosed an electronic image forming and handling system which can load and refresh the exposure array at variable speeds of at least 100 to 300 ft./min.
Duchesne Mark F.
Kubert Vincent T.
Olenski Matthew J.
Smith Ronald S.
Am International Inc.
Duchesne Mark F.
Gowling Lafleur Henderson Llp
Kubert Vincent T.
Olenski Matthew J.
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