Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373983 | Method for detecting the occurrence of missing lines on images generated by an optical scanner | — | 2002-04-16 |
| 6353486 | Device for improving scanning quality of image scanner | — | 2002-03-05 |
| 6339482 | Control method for positioning multiple lens of scanner | Te-Chih Chang | 2002-01-15 |
| 6295143 | Apparatus and method of detecting a scanning range when applying assistant frames for flatbed scanners | Wayne Lee, Flyinga Liao | 2001-09-25 |
| 6282331 | Apparatus of alignment for scanner and a method of the same | Wayne Lee, Hsi-Min Chen | 2001-08-28 |
| 6278808 | Method and apparatus for obtaining relative and absolute modifying factors for image scanning apparatus | Bill Chen | 2001-08-21 |
| 6236472 | Flatbed scanners with single dynamic source | — | 2001-05-22 |
| 6229629 | Device and method for quick and precise determination of scan start point for image scanner | — | 2001-05-08 |
| 6226107 | Multi-resolution scanners | — | 2001-05-01 |
| 6222934 | Test chart for determining the image quality of an optical scanner | — | 2001-04-24 |
| 6188801 | Method and apparatus for automatic image calibration for an optical scanner | Bill Chen | 2001-02-13 |
| 6185053 | Resolution adjusting device | — | 2001-02-06 |
| 6178015 | Apparatus and method for increasing the scan accuracy and quality of the flatbed scanner by using close loop control | Wayne Lee | 2001-01-23 |
| 6175110 | Built-in scanners having a switched single light source | — | 2001-01-16 |
| 6163388 | Apparatus and method for automatic scanning | Wayne Lee | 2000-12-19 |
| 6157467 | CCD rotary-alignment device for optical scanner | — | 2000-12-05 |
| 6144467 | Device and method for improving scanning quality of image scanner | — | 2000-11-07 |
| 6097026 | CCD self-alignment device for optical scanner | — | 2000-08-01 |
| 6084230 | Optical device having multiple lenses selected to achieve optional resolutions | — | 2000-07-04 |
| 6073844 | CCD shift-alignment device for optical scanner | Jimmy Tsao | 2000-06-13 |
| 6061191 | Lens fixer device for scanner | — | 2000-05-09 |
| 6049433 | Device for equalizing light strength of light source | — | 2000-04-11 |
| 6018401 | Carriage with a stretched function adapted to be used in an image scanning apparatus | — | 2000-01-25 |
| 6008944 | Optical device with optional resolutions | — | 1999-12-28 |
| 6005685 | Transmission mechanism for a contact-type image scanner | — | 1999-12-21 |