MULTIPLE-CHARACTER REFRESHABLE BRAILLE X-Y SCANNER

多字符可刷新盲文 X-Y 扫描仪

• 批准号: 3496971
• 负责人: A DAVID JOHNSON
• 金额: $ 4.5万
• 依托单位: TINI ALLOY COMPANY
• 依托单位国家: 美国
• 财政年份: 1989
• 资助国家: 美国
• 起止时间: 1989-09-01 至 1990-03-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/3496971
• 关键词: automated data processing; blind aid; computer graphics /printing; image processing; personal computers

Commercially available electronic Braille output devices for personal computer users are generally limited to a single line of 20 characters. Such devices are of limited utility in processing documents in which content is related to format. A full-page display is desirable, and efforts are under way to produce full-page format displays of multiple rows and columns which provide information comparable to that on a visual screen. These full-page devices contain many moving parts and may be relatively expensive to build and maintain. A compromise device is proposed which contains a line of 40 refreshable Braille cells which can be moved in the Y coordinate. The proprioceptive sense of arm position is combined with tactile sense for character detection. Finger motion along the display will provide tactile input similar to that of an embossed page. The display will provide a "feel" similar to a true page-format display at a fraction of the cost. Existing Braille cells will be incorporated in a computer-interfaced prototype x-y display for testing the concept. Emphasis will be placed on evaluation by qualified Braille users so that a useful product will evolve from the research.

市售的个人电子盲文输出设备 计算机用户通常限制为单行 20 个字符。 此类设备在处理文档时效用有限，其中 内容与形式有关。需要整页显示，并且 正在努力制作多个内容的整页格式显示 提供与视觉效果相当的信息的行和列 屏幕。这些整页设备包含许多活动部件，并且可能 建造和维护相对昂贵。 提出了一种折衷设备，其中包含 40 个可刷新的线路 可以在 Y 坐标中移动的盲文单元。本体感受 手臂位置感与触觉相结合来塑造角色 检测。手指沿着显示屏移动将提供触觉输入 类似于浮雕页面。显示器将提供“感觉” 类似于真正的页面格式显示，但成本仅为其一小部分。 现有的盲文单元将被整合到计算机接口中 用于测试概念的原型 x-y 显示。重点将放在 由合格的盲文用户进行评估，以便获得有用的产品 从研究中发展而来。