Issued Patents All Time
Showing 526–550 of 607 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6567780 | Audio with hidden in-band digital data | — | 2003-05-20 |
| 6567534 | Methods and systems for watermark processing of line art images | — | 2003-05-20 |
| 6560349 | Audio monitoring using steganographic information | — | 2003-05-06 |
| 6560350 | Methods for detecting alteration of audio | — | 2003-05-06 |
| 6553129 | Computer system linked by using information in data objects | — | 2003-04-22 |
| 6546112 | Security document with steganographically-encoded authentication data | — | 2003-04-08 |
| 6542927 | Linking of computers based on steganographically embedded digital data | — | 2003-04-01 |
| 6542620 | Signal processing to hide plural-bit information in image, video, and audio data | — | 2003-04-01 |
| 6542618 | Methods for watermark decoding | — | 2003-04-01 |
| 6539095 | Audio watermarking to convey auxiliary control information, and media embodying same | — | 2003-03-25 |
| 6535617 | Removal of fixed pattern noise and other fixed patterns from media signals | Brett T. Hannigan, Brett A. Bradley | 2003-03-18 |
| 6535618 | Image capture device with steganographic data embedding | — | 2003-03-18 |
| 6522770 | Management of documents and other objects using optical devices | Phillip Andrew Seder, J. Scott Carr, Burt Perry, Stanley E. Graham | 2003-02-18 |
| 6522771 | Processing scanned security documents notwithstanding corruptions such as rotation | — | 2003-02-18 |
| 6522769 | Reconfiguring a watermark detector | Bruce L. Davis, J. Scott Carr | 2003-02-18 |
| 6519352 | Encoding and decoding in accordance with steganographically-conveyed data | — | 2003-02-11 |
| 6516079 | Digital watermark screening and detecting strategies | Ravi K. Sharma | 2003-02-04 |
| 6505160 | Connected audio and other media objects | Kenneth L. Levy | 2003-01-07 |
| 6496591 | Video copy-control with plural embedded signals | — | 2002-12-17 |
| 6449379 | Video steganography methods avoiding introduction of fixed pattern noise | — | 2002-09-10 |
| 6449377 | Methods and systems for watermark processing of line art images | — | 2002-09-10 |
| 6442285 | Controlling operation of a device using a re-configurable watermark detector | Bruce L. Davis, J. Scott Carr | 2002-08-27 |
| 6442284 | Watermark detection utilizing regions with higher probability of success | Ammon E. Gustafson, Adnan V. Alattar, Ravi K. Sharma, Clay Davidson | 2002-08-27 |
| 6438231 | Emulsion film media employing steganography | — | 2002-08-20 |
| 6430302 | Steganographically encoding a first image in accordance with a second image | — | 2002-08-06 |