|
| US4078154 | 9. Aug. 1976 | 7. März 1978 | Fuji Xerox Co., Ltd. | Voice recognition system using locus of centroid of vocal frequency spectra |
| US4309772 | 24. Jan. 1980 | 5. Jan. 1982 | Motorola, Inc. | Soft quantizer for FM radio binary digital signaling |
| US5581658 | 14. Dez. 1993 | 3. Dez. 1996 | Infobase Systems, Inc. | Adaptive system for broadcast program identification and reporting |
| US5892536 | 3. Okt. 1996 | 6. Apr. 1999 | Personal Audio | Systems and methods for computer enhanced broadcast monitoring |
| US5986692 | 15. Dez. 1998 | 16. Nov. 1999 | | Systems and methods for computer enhanced broadcast monitoring |
| US6088455 | 7. Jan. 1997 | 11. Juli 2000 | | Methods and apparatus for selectively reproducing segments of broadcast programming |
| US6505160 | 2. Mai 2000 | 7. Jan. 2003 | Digimarc Corporation | Connected audio and other media objects |
| US7055166 | 27. Jan. 1999 | 30. Mai 2006 | Gotuit Media Corp. | Apparatus and methods for broadcast monitoring |
| US7289643 | 19. Dez. 2001 | 30. Okt. 2007 | Digimarc Corporation | Method, apparatus and programs for generating and utilizing content signatures |
| US7302574 | 21. Juni 2001 | 27. Nov. 2007 | Digimarc Corporation | Content identifiers triggering corresponding responses through collaborative processing |
| US7333957 | 6. Jan. 2003 | 19. Febr. 2008 | Digimarc Corporation | Connected audio and other media objects |
| US7349552 | 6. Jan. 2003 | 25. März 2008 | Digimarc Corporation | Connected audio and other media objects |
| US7415129 | 10. Juli 2007 | 19. Aug. 2008 | Digimarc Corporation | Providing reports associated with video and audio content |
| US7444000 | 23. Juli 2007 | 28. Okt. 2008 | Digimarc Corporation | Content identification, and securing media content with steganographic encoding |
| US7486799 | 30. Jan. 2007 | 3. Febr. 2009 | Digimarc Corporation | Methods for monitoring audio and images on the internet |
| US7489801 | 16. Mai 2006 | 10. Febr. 2009 | Digimarc Corporation | Encoding and decoding signals for digital watermarking |
| US7562392 | 30. Dez. 1999 | 14. Juli 2009 | Digimarc Corporation | Methods of interacting with audio and ambient music |
| US7564992 | 24. Okt. 2008 | 21. Juli 2009 | Digimarc Corporation | Content identification through deriving identifiers from video, images and audio |
| US7593545 | 11. Aug. 2008 | 22. Sept. 2009 | Digimarc Corporation | Determining whether two or more creative works correspond |
| US7593576 | 3. Dez. 2004 | 22. Sept. 2009 | Digimarc Corporation | Systems and methods of managing audio and other media |
| US7606390 | 14. Aug. 2008 | 20. Okt. 2009 | Digimarc Corporation | Processing data representing video and audio and methods and apparatus related thereto |
| US7706570 | 9. Febr. 2009 | 27. Apr. 2010 | Digimarc Corporation | Encoding and decoding auxiliary signals |
| US7735101 | 27. März 2007 | 8. Juni 2010 | Cisco Technology, Inc. | System allowing users to embed comments at specific points in time into media presentation |
| US7936900 | 20. Okt. 2009 | 3. Mai 2011 | Digimarc Corporation | Processing data representing video and audio and methods related thereto |
| US7961949 | 12. Okt. 2009 | 14. Juni 2011 | Digimarc Corporation | Extracting multiple identifiers from audio and video content |
| US7970167 | 21. Juli 2009 | 28. Juni 2011 | Digimarc Corporation | Deriving identifying data from video and audio |
| US7974436 | 28. Sept. 2006 | 5. Juli 2011 | Digimarc Corporation | Methods, apparatus and programs for generating and utilizing content signatures |
| US7978876 | 22. Sept. 2009 | 12. Juli 2011 | Digimarc Corporation | Hiding codes in input data |
| US8023773 | 20. Dez. 2006 | 20. Sept. 2011 | Digimarc Corporation | Methods, apparatus and programs for generating and utilizing content signatures |
| US8077911 | 9. Dez. 2008 | 13. Dez. 2011 | Digimarc Corporation | Methods, apparatus and programs for generating and utilizing content signatures |
| US8094949 | 18. Mai 2000 | 10. Jan. 2012 | Digimarc Corporation | Music methods and systems |
| US8095796 | 27. Nov. 2007 | 10. Jan. 2012 | Digimarc Corporation | Content identifiers |
| US8099403 | 30. März 2010 | 17. Jan. 2012 | Digimarc Corporation | Content identification and management in content distribution networks |
| US8170273 | 27. Apr. 2010 | 1. Mai 2012 | Digimarc Corporation | Encoding and decoding auxiliary signals |