Abstract: Provided is a wireless packet communication method, and more particularly, a method and apparatus for enabling low-power communication by providing separate driving clocks optimized for a lower part for performing the function of a physical layer part and an upper part for performing the function of an upper layer above the physical layer in a wireless packet communication system. The method includes a first clock providing step of measuring actual data transmission and reception rates at a predetermined period, setting up a frequency (F1) of a first clock based on the measured rates, and providing the first clock to the upper part and a second clock providing step of determining a transfer mode of the wireless packet communication system, detecting a frequency (F2) of a second clock selected according to the determined transfer mode, and providing the second clock to the lower part.

Abstract: The present invention relates to a washing machine which can selectively performs a water washing and an oil washing by using one washing tub, wherein the washing machine has a self-diagnostic function and a communication function. In accordance with the present invention, the water washing and the oil washing can be performed with respect to one washing tub by completely removing alien material and the oil remaining on the washing tub and deterioration of the laundry can be avoided, while providing economic benefits by using the oil reclaimed by a reclamation process. Further, since the present invention has a self-diagnostic function and remote maintenance function for assisting the user, it has an advantage in that the user can easily finish the maintenance in a shorter time.

Abstract: A recording medium, and a method and apparatus for reproducing data from the recording medium are disclosed. A disc package for effectively reproducing data having different attributes recorded in the recording medium, and a method and apparatus for reproducing data of the recording medium and data downloaded from a content provider (CP) are disclosed. A first case in which the CP transmits an updated management file, and a second case in which a disc player forms an updated management file are disclosed.

Abstract: The object of this invention is to provide a mobile robot base with a decoupled turret mechanism, including a turret (80), a turret motor (1) provided on the turret (80), an actuating motor unit provided on the turret (80) to actuate a plurality of wheels (90), an actuating gear train unit to transmit an actuating force generated from train (10) coupled between the turret (80) and the turret motor (1), and a differential gear train unit coupled to both the turret gear train and the actuating motor unit, so that the differential gear train unit subtracts the rotation of the turret (80) from the rotation of the actuating motor unit, thus transmitting a subtracted rotation to the plurality of wheels (90), and thus, only the rotation of the actuating motor unit is transmitted to the plurality of wheels (90).

Abstract: An apparatus for reproducing data recorded on a recording medium includes a pickup unit, a plurality of local storages, and a controller. The pickup unit reads a disc package from the recording medium. The local storages store multiple binding units associated with the disc package, and the controller generates a virtual package by binding the multiple binding units and the disc package according to binding priorities of files included in the multiple binding units. When the multiple binding units include two or more identical files to be bound, a file having a highest binding priority is selected in the virtual package.

Abstract: The present invention relates to a method of driving plasma display panel. A method of driving a plasma display device driven by dividing a plurality of scan electrode lines into the m (m is a integer more than 2) number of groups, according to the present invention includes: applying p (p is a natural number more than 1) number of first reset pulse having a first voltage to the scan electrode lines included in more than one group among m number of groups during a specific frame; and simultaneously applying q (q is a natural number more than 1) number of second reset pulse having a second voltage different from the first voltage to the second electrode line included in the rest groups except for more than one group during the specific frame.

Abstract: A method for determining type information of a recording medium, and a method and apparatus for recording/reproducing data in/from the recording medium using the method are disclosed. The method for determining the type information of the recording medium includes the steps of: a) determining type information of a recording medium classified according to position information of a recording layer contained in the recording medium; and b) determining type information of at least two recording mediums having the same recording layer position on the basis of a reflection signal received via a track cross operation. Therefore, the method can be applied to a fabrication process of a new optical recording/reproducing device for a high-density recording medium, and can effectively record/reproduce data in/from the recording medium.

Abstract: A recording medium, a method for determining type information of a recording medium, and a method and apparatus for recording/reproducing data in/from the recording medium using the method are disclosed. The recording medium sequentially includes a lead-in area, a data area, and a lead-out area on the basis of an inner side. The data area and the lead-out area are designed to be read by a blue-ray optical beam. The lead-in area includes a first area readable by a red-ray optical beam and a second area readable by a blue-ray optical beam. Therefore, the recording medium can be applied to a fabrication process of a new optical recording/reproducing device for a high-density recording medium, and data can be effectively recorded/reproduced in/from the recording medium.

Abstract: Remote controller code format(s), transmitting/receiving apparatus thereof, and transmitting/receiving method(s) thereof are provided by which data can be transmitted/received using an intrinsic remote controller code format to prevent reciprocal compatibility with another remote controller of a different manufacturer. The remote controller code format(s) may include a header code, a custom code, a data code, an inverse data code, and an inverse custom code. One frame of the remote controller code format may be arranged in a sequence of the header code, the custom code, the data code, the inverse data code, the inverse custom code, and an end code. One frame of the remote controller code. format may be arranged in a sequence of the header code, the custom code, the inverse custom code, the data code, the inverse data code, a check sum code, and an end code.

Abstract: A method and apparatus can manage time information for programs recorded on a recording medium such as by a DVD player or recorder. When an input content is recorded on the recording medium, the time at which the content was captured as well as the recording time can be recorded together with the content on the recording medium. Preferably, the capture time is received together with the content.

Abstract: An apparatus for reproducing data recorded on a recording medium includes a pickup unit, a local storage, and a controller. The pickup unit reads a disc package from the recording medium, and the local storage stores a local storage package associated with the disc package. The controller generates control signals to display metadata information of the local storage package, and to generate a binding unit from the local storage package. The binding process is performed according to binding information which is modified by a user with reference to the displayed metadata information. The controller finally generates a virtual package by binding the binding unit with the disc package according to the modified binding information.

Abstract: A method and apparatus for reproducing data from a recording medium using a local storage is disclosed. A method for reproducing data from a recording medium using a local storage includes the steps of: a) downloading an additional data file and a binding unit manifest file, and storing the additional data file and the binding unit manifest file in the local storage; b) determining a binding unit from among the downloaded additional data file according to the binding unit manifest file; c) performing a binding operation for binding the binding unit with an original data file contained in the recording medium according to the binding unit manifest file, and forming a virtual package; and d) reproducing additional data and original data using the formed virtual package.

Abstract: A recording medium, and a method and apparatus for reproducing data from a recording medium using a local storage is disclosed. The recording medium includes: a first area for storing content data; and a second area for storing first identification (ID) information capable of identifying a content provider (CP) and second identification (ID) information capable of identifying the corresponding recording medium manufactured by the content provider (CP).

Abstract: Content encryption information on content data recorded on a recording medium. A plurality of encryption keys used for encrypting a plurality of data clips containing content data is stored in a key file and index information for associating each of the plurality of encryption keys with a data segment encrypted with the encryption key is placed in the key file or in another management information file (e.g., clip information file). As a consequence, it is allowed to decrypt encrypted content data with different encryption keys by applying each of the plurality of encryption keys to each associated data segment.

Abstract: A method and apparatus for reproducing data from a recording medium using a local storage is disclosed. A method for reproducing data from a recording medium using a local storage includes the steps of: a) downloading data associated with the recording medium, and storing the downloaded data in the local storage; b) generating a virtual package using a binding unit with missing data associated with the recording medium, such that the virtual package includes a PlayList capable of being played before all the data is completely; and c) playing the PlayList while the missing data is downloaded. Therefore, the method can effectively reproduce additional data, which is downloaded in the local storage in association with the recording medium, resulting in the creation of more convenient functions for a user.

Abstract: The present invention relates to a method for securing content on a recording medium. Input content data are encrypted and recorded on a recording medium. A resultant value obtained by applying a hash function to the content data recorded after encryption is recorded on the recording medium for validation of the content. According to the present invention, once hashing operation for validation of content is carried out after encryption of content data is done, an apparatus for reproducing a recording medium storing content can easily check the validity of stored content by carrying out hashing operation only.

Abstract: Provided is a method and apparatus for transmitting data based on OFDM (Orthogonal Frequency Division Multiplexing). The method includes: forming a plurality of packets suitable for a selected transmission mode from data input to a transmitter; determining a transfer rate of the data; when the data transfer rate is determined to be low and synchronous connection oriented link should be maintained, dividing each of the plurality of packets into a plurality of sub-packets; and transmitting the divided sub-packets, wherein when the divided sub-packets are transmitted, a power supply duration of the transmitter is reduced by using a DPM (dynamic power management) or fine state control unit.

Abstract: A recording medium, a method for searching for content data from the recording medium, and a method and apparatus for reproducing data from the recording medium are disclosed. The recording medium includes a stream area for storing content data, and a reproduction management area for storing a search file capable of searching for the content data. The search file divides the content data into a plurality of scenes. If the content data supports a multi-angle, the search file classifies the scenes according to angles, and includes attribute for specifying the angles. Therefore, the recording medium can easily search for a variety of content data recorded in the recording medium, can provide the searched result, and can effectively reproduce/manage data of the recording medium, resulting in the creation of more convenient functions for a user.

Abstract: A method and apparatus for managing data files of a local storage is disclosed. The method for managing data files of a local storage includes the steps of: a) downloading at least one data file from a content provider, storing the downloaded data file in the local storage, and forming a binding unit using the stored file; and b) upon receiving a command for deleting a specific file contained in the binding unit, deleting all files contained in the binding unit, deleting all files associated with a title including a specific file to be deleted, or deleting only the specific file to be deleted.

Abstract: A method and apparatus for reproducing data from a recording medium using a local storage is disclosed. A method and apparatus for downloading data associated with the recording medium from an external part, and reproducing the downloaded data is disclosed. A binding unit combined with the recording medium from among the downloaded data of the local storage is formed, and is combined with files of the recording medium using the binding information, such that the virtual package is formed. Data of the recording medium and/or data of the local storage are reproduced by the virtual package. If a specific file contained in the binding unit is equal to a specific file contained in the recording medium when the virtual package is formed, priority is assigned to the file of the binding unit so that the virtual package is formed. Therefore, data of the recording medium and data of the local storage can be effectively reproduced at the same time, resulting in greater convenience of a user.