Samsung Electronics Co., Ltd.

Quram Co., Ltd.

Seok-Kyu Jang

Young-Hoon Min

Woo-Gyu Lim

Jae-Min Jung

Young Cheul Wee

Sin-Jae Lee

Young-June Woo

Chang-Gie Lee

A method and apparatus for managing metadata in a portable terminal are provided. The method includes, upon insertion of an external memory, acquiring a unique identifier of an external memory, determining whether a record having information identical to information of a file included in the external memory exists if the unique identifier is identical to a previously stored unique identifier, and reusing metadata included in the record if the record exists.

Apparatus and method for managing metadata in portable terminal

A method and apparatus for preventing illegal reuse of Digital Right Management (DRM) content in a portable terminal is provided. The method includes performing user authentication when there is an attempt to restore a Right Object (RO) backup file, and identifying information on the RO backup file to be pre-restored in a terminal, and determining if the RO backup file can be restored according to the identified information.

Method and apparatus for preventing illegal reuse of digital right management content in portable terminal

Provided are an apparatus and a method for saving a memory in a portable terminal, the method includes receiving a request for basic data and an address indicating a storage position of the basic data; determining whether the requested basic data has been stored in a paging buffer; if it is determined that the requested basic data has not been stored in the paging buffer, transforming the address of the requested basic data into an address of a corresponding compressed block using a block address table; searching the compressed basic data for the compressed block corresponding to the address of the compressed block; decompressing the searched compressed block; storing data of the decompressed block in the paging buffer; and returning the requested basic data stored in the paging buffer.

Apparatus and method for efficient memory use in portable terminal

Growing community of inventors

Suwon-si, South Korea

Seok-Kyu Jang