用于人眼电生理检查的光刺激器——基于Altera Max+Plus II系统和Flex 10K20设备的项目

IMTC/2002. Proceedings of the 19th IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.00CH37276) Pub Date : 2002-08-07 DOI:10.1109/IMTC.2002.1007090

W. Mickiewicz

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引用次数: 0

摘要

本文介绍了两种用于人眼电生理检查的光刺激器的设计方案。第一个产生各种图案类型的视觉刺激(根据适当的标准):棋盘，屏幕上不同位置的垂直和水平条以及可调节的光线和时空参数。生成的图像(图案)可以显示在VGA显示器上。第二个为多焦点视网膜电图生成刺激场。图像的每个字段按照合适的m序列闪烁。该器件的整个数字电路置于ALTERA FLEX20K10 PLD芯片中。所述器件的设计过程由Altera CAD系统MAX+PLUS II支持。使用UPI教育委员会对光刺激器的运行原型进行了验证。

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Photostimulator for electrophysiological examination of the human eyesight system - project based on Altera Max+Plus II system and Flex 10K20 device

In the paper the projects of two photostimulators for electrophysiological examination of human eyesight system are presented. First one produces various visual stimuli of pattern type (according to the appropriate standards): checkerboards, vertical and horizontal bars of different localization on the screen and of the adjustable light and time-space parameters. The generated images (pattern) can be displayed on the VGA monitor. Second one generates stimulus fields for multifocal electroretinography. Each field of the image blinks according to a appropriate m-sequence. The whole digital circuitry of the devices is placed into ALTERA FLEX20K10 PLD chip. The design process of presented devices was supported by Altera CAD system MAX+PLUS II. Running prototypes of the photostimulators was verified using UPI Education Board.

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IMTC/2002. Proceedings of the 19th IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.00CH37276)

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