Takashi Takemoto
Takashi Takemoto, Kanagawa JP
Patent application number | Description | Published |
---|---|---|
20090096786 | APPARATUS OF AND METHOD FOR DRAWING GRAPHICS, AND COMPUTER PROGRAM PRODUCT - An apparatus of drawing graphics includes an edge coefficient calculator calculating, from vertex data on vertices of a triangle, edge coefficients of edge functions used to determine whether a pixel is present in an inside region of the triangle, and a bounding box calculator calculating a bounding box of projected images of the triangle on a projection plane based on the edge coefficients. The apparatus also includes a starting point determiner and a traverser. The starting point determiner classifies the projected images of the triangle based on a combination of the edge coefficients for respective sides of the triangle, and determines a scan starting point from a corner of the bounding box based on classification of the projected images. The traverser generates pixel data used in rasterization by scanning the bounding box from the scan starting point. | 04-16-2009 |
20100026696 | IMAGE DATA PROCESSING METHOD, IMAGE DATA PROCESSOR, AND DATA STRUCTURE - When writing image data which is stored in a cache memory and includes data of a plurality of virtual sub-pixels for each of a plurality of pixels, into a main memory, an image data processing method applies predetermined compression processing to the image data. When reading out the image data stored in the main memory from the main memory and writing the read image data into the cache memory, the image data processing method applies predetermined decompression processing to the read image data. | 02-04-2010 |
20110069065 | IMAGE PROCESSING APPARATUS, COMPUTER READABLE MEDIUM AND METHOD THEREOF - According to one embodiment, an image processing apparatus includes a processing unit, a tessellation processing unit and a tessellation data storage unit. The processing unit performs interpolation processing on vertex data of a vector image for each sprite. The tessellation processing unit is hardware to perform tessellation processing that generates primitives based on the vertex data from the processing unit. The tessellation data storage unit stores the primitives generated by the tessellation processing unit for each sprite. The processing unit generates a rendering function to render the vector image based on the stored primitives in the tessellation data storage unit, the stored primitives is generated by rendering processing prior to the present rendering processing. | 03-24-2011 |
Takashi Takemoto, Mie JP
Patent application number | Description | Published |
---|---|---|
20110017410 | TELESCOPIC COVER - A novel telescopic cover of the present invention has a plurality of protection covers having top plates and vertically-suspended plates vertically suspended from the top plates, and being arranged so as to cover a guiding portion of a machining tool or the like in a freely stretchable manner between every adjacent pair of the protection covers, while being linked with each other by a linking mechanism which is configured by a plurality of linking elements linked so as to be rotatable around connecting shafts, wherein the telescopic cover has a plurality of guide rails provided to the plurality of protection covers, each having a guide groove which has one and the other guiding surfaces opposed with each other, in the direction normal to the direction of stretching and shrinkage of the entire portion of the protection covers; and a plurality of rolling elements arranged in guide groove, so as to be freely rotatable around each connecting shaft which extends in the depth-wise direction of the guide groove. | 01-27-2011 |
Takashi Takemoto, Warabi-Shi JP
Patent application number | Description | Published |
---|---|---|
20100032088 | Method for production of a pressure-sensitive adhesive sheet - The present invention relates to a pressure sensitive adhesive sheet | 02-11-2010 |
Takashi Takemoto, Kokubunji JP
Patent application number | Description | Published |
---|---|---|
20090009240 | Amplifier Circuit - An amplifier circuit block and a compensation circuit block are provided. The amplifier circuit block includes an analog adder for subtracting an output signal of the compensation circuit block from an input signal and an amplifier circuit operating in a wide band. The compensation circuit block includes an amplifier circuit with a low offset voltage and a low noise in a low frequency region, an analog adder block for subtracting an output signal of the amplifier circuit from an output signal of the amplifier circuit and generating a differential signal thereof, and a feedback circuit block for negatively feeding back the differential signal to the analog adder. The amplifier circuit block can reduce the offset voltage and the low-band noise by the negative feedback of the differential signal, and at the same time, the operation band of the entire amplifier circuit can be decided by the characteristic of the amplifier circuit. | 01-08-2009 |
20090085632 | LOW-OFFSET INPUT CIRCUIT - In a signal transmission system where an influence of the circuit characteristic variation of an input circuit on signal receiving operation cannot be ignored, there is provided a method of realizing a low-offset input circuit which is capable of conducting high-speed operation and always continuing signal receiving operation without increasing the number of terminals of a semiconductor integrated circuit and without the necessity of providing additional signal observing means and variation adjustment amount calculating means to the external of the semiconductor integrated circuit. In a signal receiver circuit having an input circuit, an automatic zero amplifier, an analog/digital converter circuit, an encoder circuit, and a signal holding circuit, an output error signal of the input circuit is amplified by the automatic zero amplifier, and the signal is digitalized or the digitalized signal is encoded as the occasion demands, and held by the holding circuit, and the circuit characteristic variation of the input circuit is adjusted by the held signal. | 04-02-2009 |
20090304092 | Low offset input circuit and transmission system with the input circuit - A low offset input circuit and a signal transmission system which can accommodate a high-speed interface and achieve reduction of an offset voltage are provided. An offset voltage compensating circuit block | 12-10-2009 |
Takashi Takemoto, Tokyo JP
Patent application number | Description | Published |
---|---|---|
20150222236 | OPTICAL TRANSMISSION CIRCUIT - The high-speed and high-quality reception operation of a transimpedance amplifier of an optical communication module and a router including the same can be achieved. A preamplifier performs current/voltage conversion with respect to intersymbol interference due to bandwidth shortage of a laser diode. A threshold control circuit which generates positive and negative threshold voltages with respect to a center potential of an output signal, latch circuits, and a selector circuit are provided to the output of the preamplifier. An NRZ signal is received as a duobinary signal based on the sign determination result of the previous bit. The determination error rate of the latch circuits can thus be improved. | 08-06-2015 |
Takashi Takemoto, Yokohama-Shi JP
Patent application number | Description | Published |
---|---|---|
20090102851 | COMPUTER GRAPHICS RENDERING APPARATUS AND METHOD - A computer graphics rendering apparatus according to an embodiment of the present invention generates a screen image, using plural texture images having different mipmap levels. The apparatus generates a normalized texture coordinate of a texture image, generates, from the normalized texture coordinate of the texture image, a texel coordinate of a texel in the texture image, according to a mipmap level of the texture image, and generates, regarding an image block in the texture image, an index value indicating a cache line corresponding to the image block, using a texel coordinate of a texel in the image block. The apparatus generates the index value such that index values of image blocks in the same position are different, between two texture images having mipmap levels adjacent to each other. | 04-23-2009 |
Takashi Takemoto, Kanagawa-Ken JP
Patent application number | Description | Published |
---|---|---|
20110142333 | Image processing apparatus and computer readable medium - Image processing apparatus of the embodiments includes a storage which stores data on any of color and brightness of a pixel represented in a first floating-point format including a significand represented in an integer-bit length and an exponent represented in a non-integer-bit length; and an image processor which processes the data. | 06-16-2011 |
20110142360 | Image Processing Apparatus and Image Processing Method - Provided are a rasterizer configured to convert a triangle TA formed with vertices VT to a group of pixels PX and then to divide the group of pixels PX into tiles TL; and a sorting buffer configured to store the group of pixels PX for each of the tiles TL. | 06-16-2011 |
20130154857 | DECODING DEVICE AND CODING METHOD - A decoding device has a buffer configured in memory to store N code streams and N decoders connected in series. Each of N decoders decodes a corresponding code steam and sequentially generates partial symbols of M bit width each unit cycle. Among the N decoders, i (i>=2) stage decoders stores multiple probabilistic models in the memory. In each unit cycle, the decoder receives an input of i−1 partial symbols which contains partial symbols generated by the i−1 stage decoder in the former unit cycle, selects one probabilistic model among the multiple probabilistic models based on i−1 partial symbols which are entered previously, generates one partial symbol using previously selected probabilistic models, and outputs the previously generated one partial symbol along with previously entered i−1 partial symbols. | 06-20-2013 |
Takashi Takemoto, Fuchu JP
Patent application number | Description | Published |
---|---|---|
20110249980 | OPTICAL COMMUNICATION MODULE AND OPTICAL COMMUNICATION DEVICE - An optical communication module and an optical communication device including the same are provided. For example, a first semiconductor chip on which a laser diode is formed and a second semiconductor chip on which a laser diode driver circuit, etc. for subjecting the laser diode to drive by current are formed are mounted on a package printed circuit board to be close to each other. Temperature detecting means is further formed on the second semiconductor chip (laser diode driver circuit, etc.). The temperature detecting means detects a temperature variation ΔT of the first semiconductor chip (laser diode) transmitted via a wiring in the package printed circuit board and controls the magnitude of the driving current of the laser diode driver circuit based on a detection result. | 10-13-2011 |
20110316632 | OPTICAL COMMUNICATION DEVICE - An optical communication device which can be operated at high speed is provided. For example, the optical communication device includes: a pre-amplifier circuit PREAMP | 12-29-2011 |
20130016748 | TRANSIMPEDANCE AMPLIFIER, SEMICONDUCTOR DEVICE, AND OPTICAL MODULEAANM TAKEMOTO; TakashiAACI FuchuAACO JPAAGP TAKEMOTO; Takashi Fuchu JPAANM YAMASHITA; HirokiAACI HachiojiAACO JPAAGP YAMASHITA; Hiroki Hachioji JPAANM TSUJI; ShinjiAACI HidakaAACO JPAAGP TSUJI; Shinji Hidaka JP - An optical module including a transimpedance amplifier capable of realizing a high-speed and high-quality receiving operation is provided. A transimpedance amplifier includes: a pre-amplifier using a single-end current signal as an input and converting the single-end current signal to a single-end voltage signal; an automatic decision threshold control detecting a center electric potential of the single-end voltage signal serving as an output of the pre-amplifier; a post-amplifier differentiating and amplifying the single-end voltage signal of the output of the pre-amplifier; and a power circuit supplying power to the pre-amplifier. Particularly, in accordance with an input voltage signal or an output voltage signal of the pre-amplifier, the power circuit outputs a varied current that flows to a supply terminal of the pre-amplifier and a varied current having a phase opposite to that of the varied current. Thus, the power supply current change is cancelled out. | 01-17-2013 |
20130342275 | TRANSIMPEDANCE AMPLIFIER - Provided is a transimpedance amplifier which can realize a high-speed and high-quality receiver operation in an optical communication module or a router device having the optical communication module. An offset voltage which is generated in a post amplifier for differentiating and amplifying a single-phase output signal from a pre-amplifier in accordance with single-phase differentiation and conversion is cancelled by detecting a threshold voltage from an output of the pre-amplifier or an output of the post amplifier by a threshold detection circuit and by shifting a level of the threshold voltage corresponding to an offset amount to be compensated. | 12-26-2013 |
Takashi Takemoto, Toyota-Shi JP
Patent application number | Description | Published |
---|---|---|
20160141713 | METHOD FOR PRODUCING LITHIUM SOLID STATE BATTERY - A method for producing a lithium solid state battery having a solid electrolyte membrane with high Li ion conductivity, in which firm interface bonding is formed on both sides of the membrane, comprising steps of: a membrane-forming step of forming CSE1 not containing a binder, composed of a sulfide solid electrolyte material, on a cathode active material layer by an AD method and ASE1 not containing a binder, composed of a sulfide solid electrolyte material, on an anode active material layer by an AD method, and a pressing step of forming SE1 with the CSE1 and the ASE1 integrated by opposing and pressing the CSE1 and the ASE1, wherein the SE1 such that an interface between the CSE1 and the ASE1 disappeared is formed by improving denseness of the CSE1 and the ASE1 in the pressing step. | 05-19-2016 |