Patent application number | Description | Published |
20090027110 | HIGH VOLTAGE GENERATOR - A high voltage generator includes a charge pump configured to output a pumping voltage in accordance with a first clock signal and a second clock signal having a level opposed to a level of the first clock signal; a first regulator configured to stabilize the pumping voltage to a voltage having constant level, thereby outputting a first regulation voltage; and a second regulator configured to convert the first regulation voltage into a voltage having constant level, thereby outputting a second regulation voltage. Here, the first regulator increases the pumping voltage by n number so that the first regulation voltage reaches a first level, and the second regulator increases the first regulation voltage by m number so the second regulation voltage reaches a second level smaller than the first level. | 01-29-2009 |
20090039840 | REGULATOR AND HIGH VOLTAGE GENERATOR - A regulator included in a high voltage generator for supplying a high voltage to a semiconductor memory device is disclosed. The regulator includes a voltage dividing circuit configured to divide an output voltage of a charge pump, a comparing circuit configured to compare a reference voltage with a divided voltage by the voltage dividing circuit, a regulator driving circuit configured to couple selectively the voltage dividing circuit to a ground, and a high voltage discharging circuit configured to discharge the divided voltage applied to the comparing circuit when supply of a power supply voltage is stopped. | 02-12-2009 |
20090213669 | HIGH VOLTAGE SWITCH CIRCUIT HAVING BOOSTING CIRCUIT AND FLASH MEMORY DEVICE INCLUDING THE SAME - A high-voltage switch circuit includes an enable control circuit, a feedback circuit, a boosting circuit, and a high voltage switch. The enable control circuit precharges an output node to a set voltage in response to an enable signal. The feedback circuit supplies a feedback voltage to an input node in response to a switch control voltage generated from the output node when the output node is precharged. The boosting circuit boosts the feedback voltage and outputs a boosting voltage to the output node, in response to clock signals, thereby increasing the switch control voltage. The high voltage switch is turned on or off in response to the switch control voltage, and is turned on to receive a high voltage and output the received high voltage. The boosting circuit includes an amplification circuit of a cross-coupled type. | 08-27-2009 |
20090296480 | CIRCUIT FOR GENERATING A VOLTAGE AND A NON-VOLATILE MEMORY DEVICE HAVING THE SAME - A circuit for providing a voltage, which includes a first voltage generating circuit to output a first voltage generated by dividing an input voltage on the basis of resistance rate varied in accordance with a first control signal, a second voltage generating circuit to output a third voltage by using a second voltage, where the third voltage is shifted in accordance with a temperature, a third voltage generating circuit to change the third voltage by using a voltage shift rate set in accordance with a level of an operation voltage to be outputted at the temperature, thereby outputting a fourth voltage, and a comparison amplifying circuit configured to output the operation voltage in accordance with the first voltage, the fourth voltage and resistance rate. | 12-03-2009 |
20100157025 | 3D caption display method and 3D display apparatus for implementing the same - A 3D caption display method for harmoniously merging and displaying closed caption with 3D image in a 3D display apparatus, and a 3D display apparatus suitable for implementing the method. The 3D display apparatus receives a broadcast signal containing caption data, and obtains caption control commands including a 3D parameter setting command from the caption data. Afterwards, the 3D display apparatus displays a plurality of 3D caption images according to the caption control commands. | 06-24-2010 |
20100175099 | IPTV receiver and method for controlling an application in the IPTV receiver - An IPTV and a method for controlling a video widget in the IPTV are disclosed. Herein, a method for providing a video widget application includes playing-back a video content within an IP packet, executing a video widget application, and selecting a specific area of the video content being played-back, and outputting an object guide including an object list included in the selected specific area. The method also includes selecting at least one object from the object guide, selecting a video filter to be applied to the at least one selected object from the video Widget application, and applying the selected video filter to the at least one selected object. | 07-08-2010 |
20100180314 | IPTV receiver and an method of managing video functionality and video quality on a screen in the IPTV receiver - An IPTV receiver and a method for managing video functionality and video quality on a screen in the IPTV receiver are disclosed. Herein, a method includes downloading a widget application from a server, executing the downloaded widget application at a browser, requesting a video test stream through the executed widget application to the server and managing the video functionality and the video quality on the screen using the video test stream. | 07-15-2010 |
20130300842 | 3D CAPTION DISPLAY METHOD AND 3D DISPLAY APPARATUS FOR IMPLEMENTING THE SAME - A 3D caption display method for harmoniously merging and displaying closed caption with 3D image in a 3D display apparatus, and a 3D display apparatus suitable for implementing the method. The 3D display apparatus receives a broadcast signal containing caption data, and obtains caption control commands including a 3D parameter setting command from the caption data. Afterwards, the 3D display apparatus displays a plurality of 3D caption images according to the caption control commands. | 11-14-2013 |