Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1998-03-17
1999-08-31
Phan, James
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
355 59, G02B 2608
Patent
active
059461233
ABSTRACT:
A scan-range-changing mechanism of a scanner includes a scanning-scale ruler, a charge coupled device (CCD), a sliding seat which supports single-axis or two-axis moving capabilities, a plurality of lenses which are rigidly fixed on a sliding seat and located between the scanning-scale ruler and the CCD, and a plurality of scanning labels on the scanning-scale ruler for aligning and focusing the lenses with respect to the CCD.
REFERENCES:
patent: 5535040 (1996-07-01), Ohtsuka et al.
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