Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for inhibiting the projection of a shadow of a presenter onto a projection screen

Method and apparatus for inhibiting the projection of a shadow of a presenter onto a projection screen

US Patent 6860604 · Granted Mar 1, 2005

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for preventing selected pixels in a background image from showing through2016
Conversion of an image to a transparency retaining readability and clarity of de2016
Background image control by presenter position2006
Generating an inhibit signal by pattern displacement2004
Method and apparatus for the automatic generation of subject to background trans2003
Automatic background scene defocusing for image compositing2003
Visible-invisible background prompter2003
Automatic foreground lighting effects in a composited scene2003
Interactive teleconferencing display system2002
Method and apparatus for inhibiting projection of selected areas of a projected 2002
Edge enhancement correction for improved image quality2002
Method for removing from an image the background surrounding a selected subject 2001