Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1997-09-22
1999-05-18
Le, Que T.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250216, H01J3/14
Patent
active
059052570
ABSTRACT:
A parallel transmission device for reflection means and scanning means of a scanner, comprises fixing stage, reflection means, scanning means, fixing module, belt wheel, idle wheel, belt, tight wire, and driving means, wherein the reflection means is driven by the belt and can drive the scanning means by the tight wire to ensure that the scanning means and reflection means has a parallel movement therebetween, and has a speed ratio 2:1, i.e. the reflection means moves only half of the distance of the scanning means, thus reducing the space reserved for the movement of the reflection means and saving the internal space of the scanner.
REFERENCES:
patent: 4607943 (1986-08-01), Yoshioka et al.
Le Que T.
Sampo Corporation
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