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US08740618B2 Braille module with compressible pin arrays 失效
带可压缩针阵列的盲文模块

Braille module with compressible pin arrays
Abstract:
A refreshable tactile reader apparatus for Braille text and graphics, utilizing a plurality of compressible tactile pins that can absorb strong downward forces. Such strong forces transmitted through tactile pins can damage pin actuation mechanisms. The physical enclosure of the reader provides open channels that allow the apparatus to be more easily cleaned than prior art enablements.
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