Cha & Reiter, LLC
Right object renewal method and apparatus for right-protected broadcast service
A Right Object renewal method and apparatus for a right-protected digital broadcast service that is capable of predicting the expiration of a Right Object issued for the right-protected broadcast channel and renewing the Right Object prior to the expiration of the Right object based on the predicted expiry is provided. A right object renewal method for a right-protected broadcast service using a long term right object having a purchased license duration and a short term right object having a temporary license duration which is shorter than the purchased license duration according to the present invention includes determining whether the time to expire of a previously issued short term right object is less than a predetermined threshold value; requesting, when the time to expire of the previously issued short term right object is less than the threshold value, requesting and receiving a new short term object; and renewing the duration of the short term right object based on the received new short term right object.
Samsung Electronics Co., Ltd.
H H H G G H H H H
H04N H04N H04N G06Q G06Q H04N H04N H04N H04N
inventional inventional inventional inventional inventional inventional inventional inventional inventional
Mi Sun Chung Kyu Jeong Wook Je Geol
Kim Lee Seo Lee