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Title:
COMPUTER NUMERIC VALUE CONTROL SYSTEM HAVING HUMAN INTERFACE USING LOW-COST SHARED MEMORY
Document Type and Number:
WIPO Patent Application WO/2008/029517
Kind Code:
A1
Abstract:
A computer numeric value control system includes: a human interface computer (1), a PCI bus (4) configured to be connected to the human interface computer, and a numeric value control device (3). The numeric value control device has a built-in processor (30) and a local bus (34) connected to the built-in processor. The system also includes a low-cost first and second shared memory (10, 11) such as SDRAM and a dual bus memory controller (2). The first and the second shared memory are shared by the human interface computer and the built-in processor. The dual bus memory controller is configured to perform simultaneous communication with the PCI bus and the local bus and to be connected to the first and the second shared memory.

Inventors:
TOYONAGA, Tatsuo (2182 Bering DriveSan Jose California, 95131, US)
豊永竜生 (95131 カリフォルニア州 サンノゼ ベーリングドライブ 2182 ソディックアメリカコーポレーション内 California, 95131, US)
Application Number:
JP2007/000976
Publication Date:
March 13, 2008
Filing Date:
September 07, 2007
Export Citation:
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Assignee:
SODICK CO., LTD. (12-1, Nakamachidai 3-chome Tsuzuki-ku, Yokohama-sh, Kanagawa 22, 2248522, JP)
株式会社ソディック (〒22 神奈川県横浜市都筑区仲町台3丁目12番1号 Kanagawa, 2248522, JP)
SODICK AMERICA CORPORATION (2182 Bering DriveSan Jose California, 95131, US)
ソディックアメリカコーポレーション (95131 カリフォルニア州 サンノゼ ベーリングドライブ 2182 ソディックアメリカコーポレーション内 California, 95131, US)
International Classes:
G05B19/414; G05B19/414
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