US Patent 7369159 Method and apparatus for dynamically testing video equipment

A method and apparatus are presented for dynamically testing video equipment. A test pattern utilizes a presentation of alternating pixels and lines, along with features of the electronic video/graphics generator in which it is present to effect a close approximation to the demonstrable contrast transfer function percentage of the system or display under test. The test pattern, while depending on features of the electronic video/graphics generator for convenience of operation, may also be modified to be used as a static pattern capable of very similar utility.