Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: A munitions safety and arming device for artillery ammunition, and an artillery ammunition having the same are provided. The munitions safety and arming device for artillery ammunition includes: a body having a first movement path and a second movement path communicating with the first movement path; a mass body housed in the first movement path and moving from one side of the first movement path to the other side of the first movement path upon receiving centrifugal force based on rotation of an artillery ammunition when the artillery ammunition is fired; a slide member movably installed in the second movement path and slidably moving by a predetermined distance when pressed by the movement of the mass body; and a movement delay unit protruding from the first movement path to reduce the centrifugal force exerted on the mass body to delay a time for the mass body to move.

Abstract: A munitions safety and arming device for artillery ammunition, and an artillery ammunition having the same are provided. The munitions safety and arming device for artillery ammunition includes: a body having a first movement path and a second movement path communicating with the first movement path; a mass body housed in the first movement path and moving from one side of the first movement path to the other side of the first movement path upon receiving centrifugal force based on rotation of an artillery ammunition when the artillery ammunition is fired; a slide member movably installed in the second movement path and slidably moving by a predetermined distance when pressed by the movement of the mass body; and a movement delay unit protruding from the first movement path to reduce the centrifugal force exerted on the mass body to delay a time for the mass body to move.

Abstract: A wireless communication method according to the present invention, in a Bluetooth device connected to multiple piconets and operating in a scatter mode, includes steps of (a) establishing credit values by link for the multiple piconets, and the total sum of the credit values by link as a temporary account value; (b) updating the credit values by link and the temporary account value every slot based on a predetermined manner; (c) performing communications through a link selected based on a comparison result of the credit values by link at each Presence Point(PP); and (d) unevenly redistributing predetermined credit values based on characteristics by link and returning to the step (b) in one of the two cases in which the communications are interrupted with a POLL_NULL sequence and the temporary account value becomes the same as the total number, n, of links.

Abstract: A wireless communication system has a queue information search unit for searching a queue-status information provided in a packet unit, a communication priority decision unit for deciding communication priority of external devices based on the queue-status information, giving a higher priority to the external device having a greater number of packets in queues, a communication initiation unit for initiating a communication with the external devices according to the communication priority, a counter for counting the number of times that the communication is initiated for each of the external devices, and a comparator for comparing a counter value of a first external device that corresponds to a transmitted data with a counter value of a second external device that has a maximum counter value. Accordingly, when the wireless communication device transmits and receives data with respect to the plural wireless communication devices, both high throughput and high fairness can be guaranteed.

Abstract: A wireless communication system includes a queue status detection unit for detecting the amount of unit data being used for communication between a plurality of external devices, and deciding a class parameter T of one of the external devices; a counter for counting the number of giving-away times of the external device based on the giving-away of communication opportunities to communicate with the plurality of external devices, and deciding a delay parameter D of an external device; a communication priority decision unit for calculating priority values P of an external device by using a class parameter and a delay parameter, and determining an external device having a priority out of the plurality of external devices based on the priority values; and a communication initiation unit for initiating data communications with the determined external device having the priority. Accordingly, a communication method considering both throughput and fairness can be obtained.

Abstract: Embodiments of the invention include a non-volatile memory device manufactured using ion-implantation, and a method of manufacturing the same. A dielectric layer may be formed on a semiconductor substrate, and an ion implantation layer, which may be used as a charge trapping site, may be formed by ion implantation with Si or Ge. Then, an annealing process may be performed. Subsequently, a process for forming a transistor on the dielectric layer may be performed.

Abstract: A wireless communication method according to the present invention, in a Bluetooth device connected to multiple piconets and operating in a scatter mode, includes steps of (a) establishing credit values by link for the multiple piconets, and the total sum of the credit values by link as a temporary account value; (b) updating the credit values by link and the temporary account value every slot based on a predetermined manner; (c) performing communications through a link selected based on a comparison result of the credit values by link at each Presence Point(PP); and (d) unevenly redistributing predetermined credit values based on characteristics by link and returning to the step (b) in one of the two cases in which the communications are interrupted with a POLL_NULL sequence and the temporary account value becomes the same as the total number, n, of links.

Abstract: A wireless communication system includes a queue status detection unit for detecting the amount of unit data being used for communication between a plurality of external devices, and deciding a class parameter T of one of the external devices; a counter for counting the number of giving-away times of the external device based on the giving-away of communication opportunities to communicate with the plurality of external devices, and deciding a delay parameter D of an external device; a communication priority decision unit for calculating priority values P of an external device by using a class parameter and a delay parameter, and determining an external device having a priority out of the plurality of external devices based on the priority values; and a communication initiation unit for initiating data communications with the determined external device having the priority. Accordingly, a communication method considering both throughput and fairness can be obtained.

Abstract: A wireless communication system has a queue information search unit for searching a queue-status information provided in a packet unit, a communication priority decision unit for deciding communication priority of external devices based on the queue-status information, giving a higher priority to the external device having a greater number of packets in queues, a communication initiation unit for initiating a communication with the external devices according to the communication priority, a counter for counting the number of times that the communication is initiated for each of the external devices, and a comparator for comparing a counter value of a first external device that corresponds to a transmitted data with a counter value of a second external device that has a maximum counter value. Accordingly, when the wireless communication device transmits and receives data with respect to the plural wireless communication devices, both high throughput and high fairness can be guaranteed.

Abstract: An apparatus for reversing upper and lower surfaces of a lead frame which passes through a silver-plating process in a lead frame manufacturing process includes at least one guide rail having a curved portion for guiding the lead frame to be fallen down and reversed along an arc of the curved portion, and a conveying roller provided under the guide rail to horizontally convey the fallen lead frame. Thus, since the lead frame is reversed through a specific structure without use of any robot, the malfunction problem of the prior art is solved and costs are reduced.

Abstract: An apparatus for reversing upper and lower surfaces of a lead frame which passes through a silver-plating process in a lead frame manufacturing process includes at least one guide rail having a curved portion for guiding the lead frame to be fallen down and reversed along an arc of the curved portion, and a conveying roller provided under the guide rail to horizontally convey the fallen lead frame. Thus, since the lead frame is reversed through a specific structure without use of any robot, the malfunction problem of the prior art is solved and costs are reduced.