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| Number | Title | Issue Date |
| 7081580 | Computing device to allow for the selection and display of a multimedia presentation of an audio file and to allow a user to play a musical instrument in conjunction with the multimedia presentation Disclosed is a computing device to allow for the selection and display of a multimedia presentation of an audio file to a user. An interface device couples the musical instrument to the computing device by performing A/D conversion of the musical instrument's analog... | 07/25/2006 |
| 7030311 | System and method for delivering a multimedia presentation to a user and to allow the user to play a musical instrument in conjunction with the multimedia presentation Disclosed is a system and method to deliver a multimedia presentation of an audio file to a computing device for display to a user and further to allow the user to play a musical instrument in conjunction with the multimedia presentation. In response to a user selec... | 04/18/2006 |
| 7020635 | System and method of secure electronic commerce transactions including tracking and recording the distribution and usage of assets Disclosed is a system and method that tracks the usage of rented digital assets. A server includes an asset database that stores a digital asset, the title of the digital asset, and a server usage count for the digital asset. The computing device stores a rented dig... | 03/28/2006 |
| 6969797 | Interface device to couple a musical instrument to a computing device to allow a user to play a musical instrument in conjunction with a multimedia presentation Disclosed is an interface device to couple a musical instrument to a computing device to allow a user to play a musical instrument in conjunction with a multimedia presentation. The interface device comprises a processor, a D/A converter, and a digital audio interfa... | 11/29/2005 |
| 6740803 | Computing device to allow for the selection and display of a multimedia presentation of an audio file and to allow a user to play a musical instrument in conjunction with the multimedia presentation Disclosed is a computing device to allow for the selection and display of a multimedia presentation of an audio file to a user. An interface device couples the musical instrument to the computing device by performing A/D conversion of the musical instrument's analog... | 05/25/2004 |
