The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2020
Filed:
Jul. 03, 2013
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Jiangwei Xu, Gyeonggi-do, KR;
Sang Jun Moon, Seoul, KR;
Young Seok Park, Seoul, KR;
Chul Ki Lee, Seoul, KR;
Jung Hwan Lim, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
The present invention relates to a proxy apparatus and to a caching method of same. The caching method of the proxy apparatus according to one embodiment of the present invention includes the steps of: receiving a transmission request for content that can be divided into a plurality of blocks and instruction information for the playback position of the content from an external device; obtaining a header block that includes the header of the content when receiving the transmission request; identifying an intermediate block that corresponds to the playback position using the header; requesting and obtaining the intermediate block through a network when the identified intermediate block is not cached in the proxy apparatus; and transmitting to the external device at least a portion of the header and at least a portion of the intermediate block corresponding to the request. According to one embodiment of the present invention, even in a case where the size of a piece of content is great but only a specific portion is used, an efficient caching method and apparatus can be provided.