Patent application number | Description | Published |
20080201621 | TEST APPARATUS - It is an object of the test apparatus according to the present invention to effectively manage test results. The test apparatus includes a test section that executes testing of each cell of the memory under test; a fail information storage section that stores in a fail memory fail information corresponding to each cell of the memory under test that indicates pass/fail of each cell; a counting section that counts a number of defective cells detected in each block for every block in the memory under test; a reading request receiving section that receives a request to read the fail information of each cell included in each block; a comparing section that compares the number of defective cells in a reading target block to a predetermined reference number; a converting section that, in a case where the number of defective cells in the reading target block exceeds the predetermined reference value, converts into a value indicating defectiveness a plurality of consecutive pieces of fail information in a response data string that includes the fail information of each cell in the reading target block to be returned in response to the reading request; and a compressing section that compresses the response data string and returns the compressed response data string. | 08-21-2008 |
20080229162 | TEST APPARATUS AND TEST METHOD - Provided is a test apparatus including: test signal supply sections supplying a test signal writing test data to the connected memory under test, to a terminal of the memory; terminal correspondence determination sections outputting a terminal unit determination result indicating whether test data from the connected terminal matches an expected value; a determination result selection section selecting, for each memory, terminal unit determination results from the terminal correspondence determination sections; a memory correspondence determination section determining whether writing succeeded to each memory, based on the selection result by the determination result selection section; an identifying section identifying a test signal supply section connected to the memory to which writing succeeded and a test signal supply section connected to the memory to which writing failed; and a mask treatment section instructing each test signal supply section whether to perform re-testing, according to whether writing succeeded. | 09-18-2008 |
20080229163 | TEST APPARATUS, TEST METHOD AND MACHINE READABLE MEDIUM STORING A PROGRAM THEREFOR - The present invention provides a test apparatus that tests a plurality of memories under test. The test apparatus includes a data input-output section that gives and receives data to and from data input-output terminals of the plurality of memories under test, a test data supplying section that parallel supplies test data to the plurality of memories under test, a writing control section that parallel supplies a write enable signal to the plurality of memories under test, a reading control section that sequentially supplies a read enable signal to each of the plurality of memories under test, a comparing section that compares the test data sequentially read from the respective memories under test with an expected value, and a detecting section that detects, on condition that one test data is not identical with the expected value, a writing fail for the memory under test that outputs this test data. | 09-18-2008 |
20080266473 | Liquid Crystal Optical Element - A first electrode of a liquid crystal cell ( | 10-30-2008 |
20080297165 | TEST APPARATUS - A driver for supplying a test signal to a device under test is shared by a plurality of terminals. In this way, the cost and time required for the test of the device under test can be reduced. | 12-04-2008 |
20080317643 | SELECTIVE REDUCTION CATALYST AND ENGINE EXHAUST GAS PURIFIER USING THE SAME - The present invention aims to eliminate the mounting of an independent ammonia oxidation catalyst to an exhaust passage. A selective reduction catalyst comprises a catalyst support | 12-25-2008 |
20080317645 | Selective Reduction Catalyst and Engine Exhaust Gas Purifier Using the Same - The present invention aims to effectively prevent NOx from being emitted into the atmosphere even if the temperature of exhaust gas is relatively low. A selective reduction catalyst comprises a catalyst support | 12-25-2008 |
20090145114 | EXHAUST EMISSION CONTROL DEVICE - Even in a vehicle with travel pattern of continuing operational status with low exhaust temperature, a satisfactory NO | 06-11-2009 |
20090167965 | LIQUID CRYSTAL OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS - The present invention is directed to the provision of an optical pickup apparatus in which a liquid crystal optical element constructed by combining an aberration correcting liquid crystal panel and an nλ/4 liquid crystal panel in an integral fashion is mounted in a tilted position. More specifically, the invention provides a liquid crystal optical element includes a first liquid crystal layer having a first rubbing direction and for correcting aberration, a second liquid crystal layer having a second rubbing direction and combined with the first liquid crystal layer in an integral fashion, and a transparent electrode for generating a potential difference across the second liquid crystal layer in order to control an amount of phase difference for the light beam passing through the second liquid crystal layer, and wherein the angle (ψ) that the second rubbing direction makes with the first rubbing direction is determined in accordance with the tilt angle (α) so that the second liquid crystal layer functions as an nλ/4 plate. The invention also provides an optical pickup apparatus incorporating such a liquid crystal optical element. | 07-02-2009 |
20090244411 | LIQUID CRYSTAL OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS - A liquid crystal optical element having a crystal liquid optical element adapted to positively function as a diffraction element and an optical pickup apparatus including the liquid crystal optical element are disclosed. A transparent electrode having a diffraction pattern is arranged on one of a pair of transparent substrates. A liquid crystal panel has a transparent opposed electrode arranged on the other one of the pair of the transparent substrates. A driving unit generates a phase difference distribution in the liquid crystal layer by generating a potential difference between the transparent electrode and the transparent opposed electrode and causes the liquid crystal panel to function as a diffraction element for diffracting the incoming light beam transmitted therethrough. The diffraction pattern or the transparent opposed electrode is divided into a plurality of regions. The driving unit adjusts the potential difference for each of the regions. | 10-01-2009 |
20090327822 | TEST APPARATUS AND TEST METHOD - Provided is a test apparatus having a bad block memory for storing a plurality of pieces of fail information in association with blocks of a memory under test, each piece of fail information indicating whether there is a defect in the associated block. The test apparatus writes a test data sequence to a page under test of the memory under test, reads the test data sequence written to the page under test, and compares the read data sequence to the written data sequence. The test apparatus includes an allocation register that stores allocation information for setting which of the plurality of fail conditions for judging whether there is a defect in the page under test are allocated to the plurality of pieces of fail information. The test apparatus detects whether there is a defect corresponding to each of a plurality of fail conditions, outputs the detection result as a fail signal, and updates a plurality of pieces of fail information associated with the block including the page under test using the fail signal corresponding to the allocated fail conditions. | 12-31-2009 |
20100192547 | EXHAUST EMISSION CONTROL DEVICE - The invention has an object of exerting favorable NO | 08-05-2010 |
20100254862 | SELECTIVE REDUCTION CATALYST - A first porous catalytic layer is provided in an exhaust passage, and a second porous catalytic layer is stacked on the exhaust-gas downstream-side surface of the first layer. The first layer includes an iron-zeolite catalyst to decrease 60% or more of NOx in the exhaust gas within an exhaust gas temperature range of 150-400° C. The second layer includes one or more of a single catalyst, a mixed catalyst, and a complex oxide catalyst selected from iron-alumina, iron-zirconia, iron-ceria, and iron-titania, to decrease 60% or more of NOx in the exhaust gas within an exhaust gas temperature range of 400-700° C. The first and second layers cooperatively exhibit catalytic activity to decrease 70% or more of NOx in the exhaust gas within an exhaust gas temperature range of 150 to 700° C. | 10-07-2010 |
20110191739 | CIRCUIT DESIGN METHOD, CIRCUIT DESIGN SYSTEM, AND RECORDING MEDIUM - A circuit design method for interconnecting a plurality of modules includes: a step of acquiring port information including input ports and output ports of the plurality of modules; a step of acquiring instance information indicating that, among the plurality of modules, there is a module including a plurality of instances having the same function; and a step of associating the input ports and the output ports based on the port information and the instance information to interconnect the plurality of modules. | 08-04-2011 |
20140000246 | EXHAUST GAS PURIFICATION DEVICE | 01-02-2014 |
20140047821 | UREA SOLUTION REFORMER AND EXHAUST GAS PURIFIER USING SAME - Disclosed is a urea solution reformer and an exhaust gas purifier using the same, configured to heat a carrier gas supplied from a carrier gas source by a carrier gas heating unit ( | 02-20-2014 |
20140363607 | SILICON CARBIDE SINGLE CRYSTAL WAFER AND MANUFACTURING METHOD FOR SAME - Provided are a method for manufacturing a SiC single crystal having high crystal quality and, in particular, extremely low screw dislocation density and a SiC single crystal ingot obtained by the method. In particular, provided is a silicon carbide single crystal substrate that is a substrate cut from a bulk silicon carbide single crystal grown by the Physical Vapior Transport (PVT) method, in which the screw dislocation density is smaller in the peripheral region than in the center region, so that screw dislocations are partially reduced. | 12-11-2014 |
20140369890 | FUEL REFORMER AND EXHAUST GAS PURIFIER USING THE SAME - A carrier gas supplied from a carrier gas source is injected from a carrier gas injection nozzle. Also, a fuel including a hydrocarbon-based liquid and supplied from a fuel source is supplied to a tip end of the carrier gas injection nozzle, whereby this fuel is atomized with the carrier gas injected from the carrier gas injection nozzle. Furthermore, an inlet of a reforming part that decomposes the atomized fuel and reforms the atomized fuel into a reducing gas including either or both of hydrogen and an oxygen-containing hydrocarbon is provided so as to face the carrier gas injection nozzle and the fuel supply nozzle, and a reducing gas supply nozzle that supplies the reducing gas discharged from an outlet of the reforming part is provided in an exhaust pipe. | 12-18-2014 |