Patent application number | Description | Published |
20080303929 | Solid-state image capturing apparatus and electric information device - A solid-state image capturing apparatus is provided, and, in a pixel of a 3TR structure, the solid-state image capturing apparatus increases the reset electric potential of the signal charge accumulation section upon a reset operation so that an electric potential difference between the signal voltage and the reset voltage upon transferring of a signal charge is sufficiently secured, a complete transferring of the signal charge is easily performed from the photoelectric conversion element to the signal charge accumulation section, and a stable condition is provided. | 12-11-2008 |
20090052225 | Nonvolatile Semiconductor Memory Device - A nonvolatile semiconductor memory device capable of suppressing parasitic currents in unselected memory cells, in cross-point array including memory cells comprising a two-terminal circuit having a variable resistor storing information according to electric resistance change due to electric stress. The memory cell comprises a series circuit of the variable resistive element holding a variable resistor between an upper and lower electrodes, and the two-terminal element having non-linear current-voltage characteristics making currents flow bi-directionally. The two-terminal element has a switching characteristic that currents bi-directionally flow according to polarity of a voltage applied to both ends when an absolute voltage value exceeds a certain value, and currents larger than predetermined minute currents do not flow when the absolute value is the certain value or less, and can make currents whose current density is 30 kA/cm | 02-26-2009 |
20090073294 | Solid-state image capturing apparatus and electronic information device - A solid-state image capturing apparatus comprises a pixel array in which pixel sections for outputting a pixel signal in accordance with incident light are arranged in two dimensions, and a readout signal line arranged for each pixel section column on the pixel array, for reading out a pixel signal from each pixel section in each pixel section column, where each pixel section includes a light receiving section for performing photoelectric conversion on incident light; a signal charge storing section for storing a signal charge generated in the light receiving section and generating electric potential in accordance with the stored signal charge; and a reset transistor for resetting electric potential of the signal charge storing section to reset electric potential. | 03-19-2009 |
20090097295 | Nonvolatile Semiconductor Memory Device - A nonvolatile semiconductor memory device can prevent memory characteristics from deteriorating due to IR drop on word or bit lines in a cross-point type memory cell array. The device comprises a word line selection circuit selecting a selected word line from word lines and applying selected and unselected word line voltages to the selected and unselected word lines, respectively, a bit line selection circuit selecting a selected bit line from bit lines and applying selected and unselected bit line voltages to the selected and unselected bit lines, respectively, and voltage control circuits preventing voltage fluctuation of at least either one of the word and bit lines, wherein at least either one of the word and bit lines are connected to the voltage control circuits at a voltage control point positioned at a farthest point from a drive point connected to the word line selection circuit or bit line selection circuit. | 04-16-2009 |
Patent application number | Description | Published |
20090316410 | METAL VAPOR DISCHARGE LAMP AND ILLUMINATION APPARATUS - A metal vapor discharge lamp and a lighting fixture are downsized without causing breakage of an outer tube because of optimization of a positional relation among the outer tube ( | 12-24-2009 |
20100253220 | METAL VAPOR DISCHARGE LAMP AND ILLUMINATION DEVICE - A metal vapor discharge lamp and a lighting fixture are downsized without causing breakage of an outer tube because of optimization of a positional relation among the outer tube ( | 10-07-2010 |
20110210680 | HIGH-PRESSURE DISCHARGE LAMP LIGHTING DEVICE, HIGH PRESSURE DISCHARGE LAMP APPARATUS USING THIS, PROJECTOR USING THE HIGH-PRESSURE DISCHARGE LAMP APPARATUS, AND HIGH-PRESSURE DISCHARGE LAMP LIGHTING METHOD - The high-pressure discharge lamp lighting device and a high-pressure discharge lamp apparatus using this of the present invention are able to suppress the excessive drop in the lamp voltage in a high-pressure discharge lamp. | 09-01-2011 |
20120074858 | HIGH-PRESSURE DISCHARGE LAMP LIGHT-UP DEVICE, HIGH-PRESSURE DISCHARGE LAMP APPARATUS USING SAME, PROJECTOR USING HIGH-PRESSURE DISCHARGE LAMP APPARATUS, AND LIGHT-UP METHOD FOR HIGH-PRESSURE DISCHARGE LAMP - A high-pressure discharge lamp lighting device that suppresses deterioration and the expansion of inter-electrode distance in a pair of electrodes within a high-pressure discharge lamp, more effectively than conventional technology. The frequency of the AC current supplied to a high-pressure discharge lamp alternates between a first frequency and a second, higher frequency, while the magnitude of the AC current alternates between a first value and a second, higher value. The suppressing effect is realized by repeatedly alternating the frequency and repeatedly alternating between a first period at the first frequency and a second period at the second frequency, with the second, higher-magnitude current being used in the latter and the first current being used in the former. | 03-29-2012 |
20140111109 | HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR PROVIDED WITH THE SAME, AND HIGH PRESSURE DISCHARGE LAMP LIGHTING METHOD - A calculation processing sub-unit | 04-24-2014 |