Abstract:
PROBLEM TO BE SOLVED: To provide a method of accurately acquiring location information of a mobile device located in transportation means.SOLUTION: There is provided a method for estimating a location of a mobile device located in transportation means. The method includes: developing a first database by linking ID information of the transportation means with ID information of an access point (AP) installed in the transportation means (the AP installed in the transportation means is a mobile AP allowing access to a wireless WAN through WiFi); developing a second database by linking the ID information of the transportation means with service information (the service information includes at least route and timetable information) of the transportation means; acquiring WiFi reception information (the WiFi reception information includes ID information of an AP transmitting a WiFi signal) generated by the mobile device equipped with a WiFi module; extracting the ID information of the transportation means in which the mobile device is located, using the acquired WiFi reception information and the first database; and estimating a location of the mobile device using the extracted ID information of the transportation means and the second database.
Abstract:
Disclosed are a process for preparing single wall carbon nanotubes with surfactant-coated surface which comprises coating a surface of the carbon nanotubes with a surfactant by adding water to a mixture of the carbon nanotubes and the surfactant, ultrasonically treating the mixture, treating the ultrasonically treated mixture with a initiator, and applying a surfactant to the surface of the resultant carbon nanotubes and, in addition, the carbon nanotubes with surfactant-coated surface prepared by the above process. The formed carbon nanotubes of the present invention can maintain a stable dispersion condition regardless of change of an external environment and be stably dispersed in water even when putting the carbon nanotubes into the water after completely drying the same, so that the carbon nanotubes can be widely used in developing and manufacturing various products.
Abstract:
PROBLEM TO BE SOLVED: To provide a fabric type semiconductor device package capable of minimizing a feeling of an alien substance in clothing and of improving productivity and a method of manufacturing the same.SOLUTION: The fabric type semiconductor device package comprises a fabric printed circuit substrate having a woven fabric and a first lead part formed by patterning a conductive material on the woven fabric; a semiconductor device having an electrode part connected to the lead part of the fabric printed circuit substrate; and a molding that seals the fabric printed circuit substrate and the semiconductor device. The first lead part is electrically connected with another fabric semiconductor device by stitching the terminal part of the first lead part with the woven fabric through a conductive fiber electrically connected to another fabric semiconductor device, or by stitching the terminal part of the first lead part with a second lead part of the fabric printed circuit substrate electrically connected to the another fabric semiconductor device and with the woven fabric.
Abstract:
PROBLEM TO BE SOLVED: To provide a motion estimation method using multiple reference images in which fast motion estimation is performed, even if a resolution of a motion vector becomes high. SOLUTION: The motion estimation method uses video signals of a plurality of frames preceding temporally as a plurality of reference images. The motion estimation method includes the steps of: (a) analyzing reference index information representing a reference images of peripheral blocks encoded already among blocks around a current block; and (b) selecting one reference image indicated by the reference index information of the peripheral blocks from among the plurality of reference images to perform motion estimation of the current block on the selected one reference image when the reference index information of the peripheral blocks is identical, and performing motion estimation of the current block on all of the plurality of reference images when the reference index information of the peripheral blocks is not identical. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an ultrasonic system and sensor coordinate calibration method for calibrating a sensor by matching images between a three-dimensional CT image and a three-dimensional ultrasonic image. SOLUTION: The ultrasonic system includes: an ultrasonic image forming part including an ultrasonic probe for forming a three-dimensional ultrasonic image of a subject; a sensor connected to the ultrasonic probe; a storage part for storing a three-dimensional CT image of the subject and position information on the positional relations between the three-dimensional ultrasonic image and the sensor; and a processor for matching the images between the three-dimensional CT image and the three-dimensional ultrasonic image, forming a first transformation function for transforming the position of the sensor to a corresponding position of the three-dimensional CT image, and calibrating the sensor by applying the position information to the first transformation function. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a phase change memory utilizing a carbon nanotube, which dramatically reduces a contact area between a phase change substance and a lower electrode, is operated while saving power, and further improves the degree of integration, and to provide a method of manufacturing the phase change memory. SOLUTION: The phase change memory utilizing the carbon nanotube includes: a current source electrode for supplying an external current; a phase change substance layer having at least two different states; a plurality of carbon nanotube electrodes arranged between the current source electrode and the phase change substance layer; an insulator formed on the outside of the carbon nanotube electrodes; and a heat generating resistor layer formed between the carbon nanotube electrodes and the phase change substance layer and contacting with the carbon nanotube electrodes. COPYRIGHT: (C)2011,JPO&INPIT