Driving apparatus with circuits for efficiently transferring and

Details Driving apparatus with circuits for efficiently transferring and Driving apparatus with circuits for efficiently transferring and

1996-08-08

1999-11-23

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

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B41J 2435

Patent

active

059909200

ABSTRACT:
A driving apparatus has driving circuits that supply driving energy to driven elements which form dots. The driving circuits are controlled by driving data indicating which driven elements are to be driven, and compensation data adjusting the amount of driving energy. The compensation data are stored in compensation memory circuits coupled to the driving circuits. A single data transfer means transfers the driving data to the driving circuits and the compensation data to the compensation memory circuits. If the driven elements are located on two or more different semiconductor chips, some of the compensation data preferably compensate for chip-to-chip differences, while other compensation data compensate for dot-to-dot differences within the same chip.

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Millman, Jacob and Grabel, Arvin, "Microelectronics", 2nd edition, McGraw-Hill, pp. 155-157 and 356-357, 1987.
Richard C. Dorf, The Electrical Engineering Handbook, CRC Press, Boca Raton, FL, 1993, pp. i.,ii., 1635-1640 and 1721.

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