Abstract:
PROBLEM TO BE SOLVED: To provide an anode material for a lithium secondary battery having high discharge capacity, excellent cycle characteristic and high charge discharge efficiency, to provide a method for manufacturing the anode material, and to provide a lithium secondary battery including the material.SOLUTION: A positive active material for the lithium secondary battery is composed of a lithium manganese phosphate based compound including one metal element selected among Mg, Ti, Ni, Co, and Fe and having phosphorus a part of which is substituted with arsenic. The positive active material is manufactured by reacting a lithium oxide, a manganese oxide, a phosphorus oxide, a chelate agent, and water in a hydrothermal reactor, and adding a substitution product of the above elements and arsenic substitution to react together.
Abstract:
PROBLEM TO BE SOLVED: To provide magnetic field based low frequency band radio communication for supporting a packet format, coding and modulation systems suitable between a master and a slave so as to carry out radio communication with a data rate or coding system variable according to peripheral environments in the magnetic field based low frequency band radio communication applied to adverse environments.SOLUTION: In a method of configuring a physical layer in magnetic field based low frequency band radio communication, a data rate and a coding system of a payload field contained in a request frame and a response frame between a master and a frame is made variable in accordance with a peripheral communication environment within a predetermined range. In such a configuration, the request frame and the response frame may be comprised of the same format but such request frame and response frame may include a preamble field, a header field and a payload field, respectively.
Abstract:
PROBLEM TO BE SOLVED: To provide a magnetic field communication method for low-power node management which improves the communication performance and efficiency of a radio network of a magnetic field communication low-requency band.SOLUTION: Though the magnetic field communication method for low-power node management is performed in a radio network of a low-frequency band that is comprised of one MFAN-C and at least one MFAN-N, a physical layer frame is comprised of a preamble, a header, and a payload, and the preamble is comprised of a wake-up bit string and a synchronization bit string. The wake-up bit string is desirably added to only the preamble of the frame that is transmitted from the MFAN-C when the MFAN-N is activated from a power saving mode. The wake-up bit string is desirably modulated using an ASK system, and the synchronization bit string is desirably modulated using a BPSK system.
Abstract:
The present invention relates to a method or an operation for providing a personalized TV-Anytime metadata service. According to an embodiment of the present invention, there is provided a method of deleting user metadata managed by a TV-Anytime metadata server using a SOAP operation, comprising the steps of a) providing an element type of a SOAP delete operation, the element of the SOAP delete operation including at least a first sub-element for designating user identifier information, b) receiving the element of the SOAP delete operation, in which the user identifier information is designated, from a client of a user, and c) identifying the user on the basis of the user identifier information in the received element of the SOAP delete operation and deleting user metadata about the identified user.
Abstract:
PROBLEM TO BE SOLVED: To provide a thermally conductive substrate, exhibiting high thermal conductivity and hence is capable of efficiently dissipating heat, even those with small area, and to provide a method of manufacturing the substrate. SOLUTION: The thermally conductive substrate 100 is constituted to include a lower part heat-sink layer 110; a thermal conductor 121 formed in contact with the lower part heat sink layer 110; a thermally conductive layer 120, including an insulating adhesive part 122 to fill in between the thermal conductors 121; and an upper part layer 130 formed on the thermally conductive layer 120 and dissipating heat to the lower part heat sink layer 110 in contact with the thermal conductor 121. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
The present invention provides a method of providing a user information-based search using a get_Data operation in TV-Anytime service. In the user information-based search provision method of the present invention, a user information (PersonalInformation) element is added as an element of the get_Data operation. A request message of the get_Data operation is received. User information is extracted from the user information (PersonalInformation) element in response to reception of the request message. A user information-based search is conducted using the extracted user information. Results of the user information-based search are transmitted using a response message of the get_Data operation. Accordingly, the present invention is advantageous in that a client provides user information to a service provider using a get_Data operation, and the service provider can search for contents suitable for each user in consideration of the user information.
Abstract:
PROBLEM TO BE SOLVED: To provide a slotless motor which can combine two or more unit coil bodies easily and correctly. SOLUTION: Two unit coil bodies facing each other are combined in a circular form with different inner diameters to constitute two or more circular coil bodies. Each circular coil body with a smaller inner diameter is inserted inside the circular coil body with a larger inner diameter sequentially out of two or more circular coil bodies to constitute a stator coil. Then, the respective sums of horizontal widths of two or more unit coil bodies of U phase, V phase and W phase are made equal, so the intensities of magnetic fields of the U phase, V phase and W phase are balanced and the stator can be manufactured correctly in response to the designer's intent, and the assembly process can also be simplified significantly. COPYRIGHT: (C)2010,JPO&INPIT