Multisynchronizing signal optical scanning system for dispensing

Details Multisynchronizing signal optical scanning system for dispensing Multisynchronizing signal optical scanning system for dispensing

1993-08-10

1994-12-13

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

358481, 346108, H01J 516

Patent

active

053731549

ABSTRACT:
An optical scanning system uses a multiple synchronizing sensing device to device a row of modulated signals into multiple blocks so that the effect of velocity jitter of a polygon scanning mirror is evenly distributed on each zone. In this manner, the influence of printing quality by the velocity jitter is reduced. For instance, the multiple synchronizing sensing device is provided with twenty sensing elements, the influence of the velocity jitter is lessened to be one twenth time as much as its original value. Therefore, the cost is greatly lowered by applying the system of the present invention to a high resolution optical scanning device which utilizes a polygon scanning mirror of less precision.

REFERENCES:
patent: 4837588 (1989-06-01), Imakawa et al.
patent: 4943871 (1990-07-01), Miyagawa

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