초록 ▼

A method and system for storing a file on a portable device 36 includes a display 30, a digital video recorder 32, a first control device 80 and a controller 200 coupled to the digital video recorder. The controller generates a screen display having a selector for selecting a file to transfer. Upon

A method and system for storing a file on a portable device 36 includes a display 30, a digital video recorder 32, a first control device 80 and a controller 200 coupled to the digital video recorder. The controller generates a screen display having a selector for selecting a file to transfer. Upon selecting a file to transfer, storing the file on the portable device 36 and storing license information in a memory 210 of the portable storage device.

대표청구항 ▼

1. A method comprising: electronically receiving, a set top box, license data from a head end, said license data corresponding to a valid subscription for a content file;electronically receiving, using the set top box, a list from the head end, the list including identifiers of portable devices that

1. A method comprising: electronically receiving, a set top box, license data from a head end, said license data corresponding to a valid subscription for a content file;electronically receiving, using the set top box, a list from the head end, the list including identifiers of portable devices that are not authorized to receive content files;electronically coupling a portable device to the set top box at a first time, using the portable device and the set to box the set to box being separate from the portable device, wherein the set top box has the content file therein;electronically receiving, using the set top box, an identifier of the portable device;in response to a determination that the identifier of the portable device is not included in the list of identifiers of portable devices that are not authorized to receive content files, electronically communicating, using the set top box, the content file to the portable device;using the portable device, electronically storing the content file within the portable device;using the portable device, electronically storing the license data within the portable device;thereafter, using the portable device, enabling access to the content file on the portable device based on the license data;electronically coupling, using the portable device and the set top box, the portable device to the set top box at a second time after the first time;in response to coupling at the second time, electronically communicating, using the set top box, updated license data to the portable device; andelectronically storing, using the portable device, the updated license data for the content file in the portable device. 2. A method of claim 1 further comprising: updating licensing rights at the portable device when license rights have not expired. 3. A method of claim 1 wherein the portable device comprises a portable media player. 4. A method of claim 1 further comprising: after the step of coupling a portable device to a storage device separate from the portable device at a first time: selecting the content file from the storage device;removing a first encryption associated with the content file;associating a second encryption to the content file; andwherein storing the content file comprises storing the content file with the second encryption in the portable device. 5. A method of claim 1 communicating a secure time to the portable device. 6. A method of claim 1 wherein the portable device comprises a computer. 7. A method of claim 1 wherein the storage device comprises a digital video recorder. 8. A method of claim 1 further comprising selecting the content file for playback from a menu displayed on the portable device. 9. A method of claim 1 wherein the content file has a first file type, wherein the license expiration time corresponds to the first file type. 10. A system for storing a content file on a portable device comprising: a display;a digital video recorder and a first control device;a controller coupled to the digital video recorder; andwherein said controller generates a screen display having a selector for selecting the content file to transfer to the portable device, the controller connects to the portable device at a first time, the controller receives a list from the head end, the list including identifiers of portable devices that are not authorized to receive content files, and the controller receives an identifier of the portable device;wherein when the content file is selected for transfer and the identifier of the portable device is not included in the list of identifiers of portable devices that are not authorized to receive content files, the controller stores the content file and license data for the content file in a memory of the portable device;wherein the portable device enables access to the content file on the portable device based on the license data; andwherein the controller connects to the portable device at a second time after the first time, and stores updated license data in the memory of the portable device. 11. A system as recited in claim 10 wherein license data comprises a license expiration time. 12. A system as recited in claim 11 wherein the license expiration time is dependent upon the content file. 13. A system as recited in claim 10 wherein license information comprises an updated license expiration time on a second file stored on the portable device. 14. A system as in claim 10 wherein the portable device comprises a portable media player. 15. A system as recited in claim 10 wherein the portable device comprises a computer.