×

Apparatus and methods for accurately sensing locations on a surface

  • US 5,738,522 A
  • Filed: 05/08/1995
  • Issued: 04/14/1998
  • Est. Priority Date: 05/08/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. Apparatus for sensing an indication of a location on a surface at a first resolution using a video camera with a second resolution which is less than said first resolution, the apparatus comprising:

  • a large vicinity generator operative to provide an indication of a vicinity of the location which is large in comparison to the second resolution; and

    a large vicinity processor operative to process the indication of the vicinity in order to find a central location therewithin at a resolution which is at least equal to said first resolution, thereby to sense an indication of the location on the surface at a resolution which is at least equal to the first resolution.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×