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US RE40,945 E1Granted
Increasing scanning resolution through driving system control
OwnerChuan-Yu Hsu, Chen-Hsiang Shihinventors
Life of this patent
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Abstract
A method of increasing the scanning resolution of a scanner through controlling its driving system. By suitably adjusting the timing relationship between motor pulses and exposure pulses, a low-resolution driving system can produce a high-resolution image with no additional production cost incurred.
Claims14
A method of increasing scanning resolution of a scanner through controlling its driving system, comprising the steps of:
- providing shift gate clock pulses to a charge-coupled device such that one shift gate clock pulse period corresponds to an exposure cycle for the charge-coupled device;
- and
- providing motor pulses to a motor such that one motor pulse period corresponds to a plurality of exposure cycles for the charge-coupled device.
A method of increasing scanning resolution of a scanner through controlling its driving system, comprising the steps of:
- providing motor pulse signals to a driving motor of the scanner;
- providing shift gate clock pulse signals to a charge-coupled device of the scanner;
- and
- adjusting a timing relationship between the motor pulse and the shift gate clock pulse such that one motor pulse cycle corresponds to a plurality of shift gate clock pulse cycles.
1 more element
An apparatus, comprising:
- a driving controller of a scanning device having a driving motor and a charge-coupled device, said driving controller adapted to:
- provide motor pulse signals to the driving motor;
- provide shift gate clock pulse signals to the charge-coupled device;
- and
- adjust a timing relationship between the motor pulse and the shift gate clock pulse such that one motor pulse cycle corresponds to a plurality of shift gate clock pulse cycles.
2 more elements
An apparatus, comprising:
- a scanner driving system of a scanner, adapted to:
- provide shift gate clock pulses to a charge-coupled device of the scanner such that one shift gate clock pulse period corresponds to an exposure cycle for the charge-coupled device;
- and
- provide motor pulses to a motor of the scanner such that one motor pulse period corresponds to a plurality of exposure cycles for the charge-coupled device.
1 more element
Dependencies are inferred from the claim text.