Mitsubishi Denki Kabushiki Kaisha

Other

Hitachi, Ltd.

Renesas Technology Corp.

Hitachi Software Engineering Company, Ltd.

Osamu Chiba

Shohei Moriwaki

Yoshifumi Azekawa

Hiroshi Arai

Nobuhisa Kanamaru

Junichi Hirai

Tamotsu Harihara

Masaaki Takahashi

Kazuhiro Shimakawa

Satoshi Arai

Hiroaki Furuichi

Shunsuke Minami

Tomoki Murata

Jun-ichi Hirai

A ridge filterprovided in a particle therapy system includes a repeating structure bodyhaving a plurality of extending partsextending along the incident direction P of a proton beam, and a bottom plateprovided on the lower faceside opposite to the incident side of the proton beamof the repeating structure body. In addition, the repeating structure bodyand the bottom plateare integrally formed by a molding method, and each of the repeating structure bodyand the bottom plateis formed of a laminate of resin.

Resin laminate ridge filter for particle therapy system and manufacturing method thereof

A physical-layer unit carries out startup processing in response to a first reset signal delivered from a host, generates and outputs a second reset signal to a data control unit in consideration of time required for the startup processing, reads data for initial setting stored in a storage unit of the data control unit via a serial bus after a waiting time elapses, the waiting time being preset in consideration of the time required for the data control unit to start up in response to the second reset signal, and writes the read data for initial setting into a data register included in the physical layer unit.

Optical transceiver module initialization

A peripheral device is detachably connected to a host device and includes: an electronic component that generates heat; an electrical connector for electrically connecting the electronic component to the host device; a heat transfer device having a first end thermally connected to the electronic component; and a heat transfer connector thermally connecting a second of the heat transfer device to the host device. The heat generated by the electronic component is discharged, or transferred, to the host device side through the heat transfer device and the heat transfer connector.

Peripheral device and electronic device

A module has an IC for communication control (a PHY unit) and an EEPROM (or MCU) connected to the PHY unit via an I2C bus. When a software reset is triggered while the PHY unit reads non-volatile register (NVR) data from the EEPROM (or MCU) via the I2C bus, the module causes an I2C interface circuit of the PHY unit to forcedly toggle and send a clock signal to the EEPROM (or MCU) via the I2C bus to make the EEPROM (or MCU) recognize that interrupted communications via the I2C bus are pseudo completed.

I2C bus controlling method

When creating other tool path from two tool paths for cutting a work accurately and efficiently, the data on the first tool path is composed of a position vector and a direction vector of a tool for use when the work is cut while moving the tool. The data on the second tool path is composed of a position vector and a direction vector of the tool for use when the work, which has been cut according to the first tool path, is further cut. A computer uses the first tool path data and second tool path data to calculate a position vector and a direction vector of a medium tool path that is between the first tool path and second tool path.

Apparatus and method for creating tool path

A numerically controlled curved-surface machining unit equipped with three linearly moving axes and, at least, one rotary axis, including a simultaneous multiple-axis control NC machine numerically controlled by a numerical control unit with a numerical control NURBS interpolation function. The unit enables reading, as CL (cutter location) data, tool control point vector data and tool axis vector data, along a machining direction on a workpiece coordinate system for a curved surface, obtaining feed rates therefor, and calculation by conversion of the CL data into position vectors of three linear axes on a machine coordinate system, rotation angles and feed rates on the machine coordinate system so as to operate the simultaneous multiple-axis control NC machine on the basis of a machine configuration of the simultaneous multiple-axis control NC machine. The unit forms at least one NURBS curve having continuous curvature, calculates data therefor and converts the NURBS curve into NC data for NURBS interpolation.

Numerically controlled curved surface machining unit

A numerically controlled curved-surface machining unit comprises a component converting matrix&#xb7;angle-addition value forming function of converting CL (cutter location) data into components on a normal coordinate system on the basis of the machine configuration of the simultaneous multiple-axis control NC machine, a component converting function of converting from the workpiece coordinate system to the normal coordinate system, a function of forming second angles of a second rotary axis on the normal coordinate system, a compensating function of forming a continuous angle distribution from a distribution of the second angles, a function of forming first angles of a first rotary axis on a coordinate system rotated by the second angles at the second rotary axis, a compensating function of forming a continuous angle distribution from a distribution of the first angles, a machine coordinate transformation matrix forming function of obtaining a matrix for converting the tool control point vectors on the workpiece coordinate system into a machine coordinate system by using the first angles and the second angles, and a machine coordinate converting function of converting the tool control point vectors into the machine coordinate system by using the machine coordinate transforming matrix.

A data table includes a source pointer indicating a starting address of drawing data, a destination pointer indicating a destination of drawing data to be transferred, and a data length indicating a data length of drawing data to be transferred. Data table may indicate drawing data to be drawn. Thus frames may share drawing data. As such the amount of drawing data can be reduced.

Recording medium having recorded thereon three-dimensional graphics drawing data having data structure shareable by frames and method of drawing such data

A graphic accelerator includes an image-forming data decode unit, an image memory control unit and a screen data generation unit. The image memory control unit performs a control for writing an output of the image-forming data decode unit to a frame buffer and reading out information stored in the frame buffer. Screen data generation unit restores (interpolates) the color information based on the data read out from the frame buffer and generates screen data. In the frame buffer the information for each pixel is stored in a deleted form including two types of color information among three types of color information consisting of R, G and B. At the reading, the deleted color information is interpolated with the color information of other pixel.

Graphic accelerator with interpolate function

When a serial external interface receives a port address from a host device, a CPU reads data at all device addresses corresponding to the port address from a secondary storage medium and writes the data to a primary storage medium. When receiving a device address from host device, serial external interface transmits the data stored in primary storage medium and corresponding to the device address to host device. Therefore, it is possible to transmit the data to host device in short time after receiving the lowest address.

Microcomputer system reading data from secondary storage medium when receiving upper address from outside and writing data to primary storage medium

An object is to obtain a three-dimensional graphics system capable of color display with reduced operation time. A color data transform portion ( A) extracts the upper k (k<n) bits from n bits for each of R, G and B in RGB original color data (C ) in geometrically-processed three-dimensional data (D ) and transforms the RGB original color data (C ) into reduced color data (C ) in such a manner that the sets of k bits are assigned respectively to R, G and B, thus providing color data for three-dimensional data (D ) to be used in the drawing operation. A drawing operation portion ( A) applies drawing operations including color processing operation based on the reduced color data (C ) to the three-dimensional data for drawing operation (D ) obtained from the color data transform portion ( A) and outputs three-dimensional graphic drawing data to a drawing unit ( ). The drawing unit ( ) displays three-dimensional graphics in color on a display screen in a display unit.

Three-dimensional graphics system reducing color data/bits in drawing operations for faster processing

A three-dimensional graphic processing device includes an identifying portion for identifying whether the vertex data of a polygon to be drawn is an absolute value or a relative value, an operation unit for operating to obtain the absolute value of vertex data identified as a relative value by the identifying portion and a set up circuit for generating data necessary for drawing based on the absolute value of the vertex data obtained by the operation unit. The operation unit operates to obtain the absolute value of vertex data identified as a relative value by the identifying portion, and therefore the vertex data of a polygon can be expressed by a relative value. As a result, the data amount of polygon data can be reduced, which permits the drawing throughput to be improved.

Three-dimensional graphic processing device for drawing polygon having vertex data defined by relative value and method therefor

In a rendering processing system having a rendering memory for storing rendering pixel data generated by a rendering operation circuit and a display memory for storing the image data of a current frame read out from the rendering memory, the display memory stores only the pixel data read out from the rendering memory with prescribed information excluded therefrom. Thus, it is possible to decrease the storage capacity of the display memory and also reduce the time required for writing data into the display memory.

Rendering processing apparatus requiring less storage capacity for memory and method therefor

An NC data service business is created, by making use of a numerical control (NC) data service provider company PC provided with associated devices necessary for NC data preparation such as a CAD system, a CAM system, a dedicated NC post processor, an NC machining simulator and an NC machining unit. An NC data service provider company transmits a home page relating to the data service via a communication line, through a dialog with an NC data service user company via the home page, provides data service relating to the NC data requested by the user company and receives payment of the consideration for the service.

Method of providing data for numerical control machining unit

A graphic accelerator includes a RGB/YUV conversion unit converting color information of the RGB format included in the drawing instruction into a format including luminance and color difference components, a drawing instruction execution unit compressing the color difference component converted by the RGB/YUV conversion unit and generates pixel information according to the drawing instruction, a screen data output unit expanding pixel information generated by the drawing instruction execution unit, and a YUV/RGB conversion unit converting the pixel information expanded by the screen data output unit into pixel information of the RGB format. Therefore, the amount of data of the color difference component can be reduced to improve the processing speed.

Growing community of inventors

Hyogo, Japan

Osamu Chiba