| Patent application number | Description | Published |
|---|
| 20090034405 | METHOD OF IMPROVING SENSITIVITY OF ELECTRIC FIELD SENSOR, STORAGE APPARATUS INCLUDING ELECTRIC FIELD SENSOR, AND METHOD OF REPRODUCING INFORMATION OF THE STORAGE APPARATUS - A storage apparatus includes a ferroelectric recording medium, an electric field sensor including a source region, a drain region and a resistance region electrically connecting the source region to the drain region and having a resistance, which varies according to an intensity of an electric field due to a polarization voltage of an electric domain of the recording medium, a voltage applying unit applying a drain voltage between the source region and the drain region, and a reproducing signal detection unit including at least one negative resistor installed in an electric circuit connecting the drain region to the voltage applying unit, and detecting a change in a voltage between the drain region and the at least one negative resistor. | 02-05-2009 |
| 20090067078 | BIT PATTERNED MEDIUM, READING HEAD FOR READING DATA RECORDED ON BIT PATTERNED MEDIUM, AND HARD DISK DRIVE FOR RECORDING/READING DATA ON/FROM BIT PATTERNED MEDIUM - Provided are a bit patterned medium having a super track, a reading head which reads data recorded on the bit-patterned medium, and a hard disk drive (HDD) for recording/reading data on/from the bit patterned medium. The bit patterned medium includes a substrate, and a recording layer formed with a plurality of bit cells separated from each other along a plurality of tracks forming concentric circles having different radii on the substrate, wherein each track includes a super track including a plurality of sub-tracks, and bit cells formed on one of the sub-tracks are arranged at different positions in a circumference direction of the recording layer to bit cells formed on adjacent sub-tracks. The reading head which reads data recorded on a bit patterned medium has a width in a cross-track direction sufficient for reading data of an equal number of bit cells as the plurality of sub-tracks. | 03-12-2009 |
| 20090103204 | BIT PATTERNED MEDIUM HAVING SUPER-TRACK, METHOD OF TRACKING TRACK OF BIT PATTERNED MEDIUM, HEAD APPROPRIATE FOR BIT PATTERNED MEDIUM, AND INFORMATION RECORDING/REPRODUCING APPARATUS INCLUDING BIT PATTERNED MEDIUM HEAD - Provided are a bit patterned medium having a super-track, a method of tracking a track of the bit patterned medium, a head appropriate for the bit patterned medium, and an information recording/reproducing apparatus including the bit patterned medium and the head. The bit patterned medium includes a substrate, and a recording layer comprised of a plurality of bit cells which are formed on the substrate by being separated from each other, along a plurality of tracks. Each of the plurality of tracks includes a super-track comprised of a plurality of sub-tracks. Bit cells formed on a sub-track from among the plurality of sub-tracks in the super-track are disposed so as to deviate from bit cells formed on another sub-track from among the plurality of sub-tracks in the super-track. A track ID (identification) for recognizing the super-track, and a servo burst generating a position error signal when a head tracks the super-track, are arranged in an area of each of the plurality of tracks. Meanwhile, the head includes a writing head recording information in units of sub-tracks, and a reading sensor reproducing the information in units of super-tracks. | 04-23-2009 |
| 20090316564 | ELECTRIC FIELD READ/WRITE APPARATUS AND METHOD - Provided are an electric field read/write apparatus and method, which reproduce information written in a recording medium by using an electric field read/write head including a channel. In the electric field read/write apparatus and method, an electric field generated from the recording medium is modulated by using a modulation signal, a variation in the modulated electric field is detected, and a voltage signal determined according to the detected variation is demodulated and information written in the recording medium is determined according to a result of the demodulation. | 12-24-2009 |
| 20100103294 | Image pickup devices and image processing methods using the same - An image pickup device may include a sensor array including a plurality of pixels and an actuator operatively connected to the sensor array. The actuator may be configured to sequentially move the sensor array, in a horizontal or vertical direction by one pixel pitch, in response to a control signal. A method of processing image signals using an image pickup device may include moving the plurality of pixels by the one pixel pitch using the actuator in order to allow multiple pixels to be sequentially located at a position on which light is incident, and sequentially detecting color component signals of each of the multiple pixels from the incident light. | 04-29-2010 |
| 20100177548 | MULTILEVEL ONE-TIME PROGRAMMABLE MEMORY DEVICE - A multilevel one-time programmable memory device includes a plurality of memory cells, wherein each of the plurality of memory cells includes: a first electrode to which a first voltage is applied, a second electrode to which a second voltage is applied and a plurality of fuse lines performing a fusing operation according to a voltage difference between the first electrode and the second electrode. The plurality of fuse lines are connected to each other between the first electrode and the second electrode. In addition, at least one of the first electrode and the second electrode is formed such that the first electrode and the second electrode have different valid line lengths from each other therebetween so that the plurality of fuse lines have different resistances from each other. | 07-15-2010 |
| 20100303299 | Three dimensional image sensor - A depth sensor includes a light source, a detector, and a signal processor. The light source transmits a source signal to the target according to a transmit control signal having reference time points. The detector receives a reflected signal from the source signal being reflected from the target. The signal processor generates a plurality of sensed values by measuring respective portions of the reflected signal during respective time periods with different time delays from the reference time points. The signal processor determines a respective delay time for a maximum/minimum of the sensed values for determining the distance of the target. | 12-02-2010 |
| 20110051119 | DELAY COMPENSATION IN MODULATED OPTICAL TIME-OF-FLIGHT PHASE ESTIMATION - A distance measurement method includes measuring a plurality of integrated signals at a plurality of modulation phase offsets; estimating at least one integrated signal for at least one of the plurality of modulation phase offsets, respectively, to adjust its reception time relative to an integrated signal for another of the plurality of modulation phase offsets; and determining a distance between the target and receiver in accordance with the estimated at least one signal. | 03-03-2011 |
| 20110085063 | COLOR FILTER ARRAY, IMAGE SENSOR HAVING THE SAME, AND SIGNAL INTERPOLATING METHOD - A color filter array of an image sensor, the color filter array including a plurality of infrared ray (IR) filters, each of which filters out light to transmit wavelengths in an IR region; a plurality of first type color filters; a plurality of second type color filters; and a plurality of third type color filters, wherein some adjacent IR filters are arranged to form a T shape. | 04-14-2011 |
| 20110129123 | IMAGE SENSORS FOR SENSING OBJECT DISTANCE INFORMATION - An image sensor includes a clock signal generator configured to generate and output at least first and second clock signals, a plurality of pixels configured to generate associated distance signals based on corresponding clock signals from among the at least first and second clock signals and light reflected by an object, and a distance information deciding unit configured to determine distance information with respect to the object by using the associated distance signals. At least one first pixel from among the plurality of pixels is configured to generate the associated distance signal based on at least the first clock signal, and at least one second pixel from among the plurality of pixels, which is adjacent to the at least one first pixel, is configured to generate the associated distance signal based on at least the second clock signal. | 06-02-2011 |
