Patents by Inventor Kai Yiu Lam

Kai Yiu Lam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High resolution scanner
    Patent number: 6762862
    Abstract: An improved high resolution scanner for use in a conventional scanner housing. A plurality of mirrors, including a two-position switchable mirror adapted to sequentially scan a first column, and then a second column, is mounted on a carriage which also includes a conventional lens and CCD for sequentially scanning an object to be scanned in a two-pass scan. The resulting scanned portions, when combined, produce a high resolution image of the scanned image.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: July 13, 2004
    Assignee: Microtek International, Inc.
    Inventors: Kai Yiu Lam, Loi Han
  • High resolution scanner
    Patent number: 6603581
    Abstract: An improved high resolution scanner for use in a conventional scanner housing. A light receiving guide transversely moves a conventional lens and CCD for scanning portions of an object to be scanned. The resulting scanned portions, when combined, produce a high resolution image of the scanned image.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: August 5, 2003
    Inventors: Kai Yiu Lam, Loi Han
  • High resolution scanner
    Publication number: 20010050784
    Abstract: An improved high resolution scanner for use in a conventional scanner housing. A light receiving guide transversely moves a conventional lens and CCD for scanning portions of an object to be scanned. The resulting scanned portions, when combined, produce a high resolution image of the scanned image.
    Type: Application
    Filed: February 23, 2001
    Publication date: December 13, 2001
    Inventors: Kai Yiu Lam, Loi Han
  • High resolution scanner
    Publication number: 20010013957
    Abstract: An improved high resolution scanner for use in a conventional scanner housing. A plurality of mirrors, including a two-position switchable mirror adapted to sequentially scan a first column, and then a second column, is mounted on a carriage which also includes a conventional lens and CCD for sequentially scanning an object to be scanned in a two-pass scan. The resulting scanned portions, when combined, produce a high resolution image of the scanned image.
    Type: Application
    Filed: December 21, 2000
    Publication date: August 16, 2001
    Inventors: Kai Yiu Lam, Loi Han
  • High resolution scanner
    Patent number: 6239883
    Abstract: An improved high resolution scanner for use in a conventional scanner housing. A light receiving guide transversely moves a conventional lens and CCD for scanning portions of an object to be scanned. The resulting scanned portions, when combined, produce a high resolution image of the scanned image.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: May 29, 2001
    Assignee: Microtek International Inc.
    Inventors: Kai Yiu Lam, Loi Han