Patent Number: 7,272,240

Title: Method and apparatus for generating, sensing, and adjusting watermarks

Abstract: A method and apparatus for generating and adjusting a watermark in a watermarking system comprising a watermark generator and a watermark detector includes the watermark generator emitting the watermark. The watermark detector detects the watermark. The watermark detector transmits a signal to the watermark generator. The watermark generator then adjusts the generated watermark based on the signal received from the watermark detector.

Inventors: Goldberg; Steven Jeffrey (Downingtown, PA), Purkayastha; Debashish (Pottstown, PA)

Assignee: InterDigital Technology Corporation

International Classification: G06K 9/00 (20060101)

Expiration Date: 2019-09-18 0:00:00