4. Education and demonstration
  5. Communication aids for the handicapped
  6. Tactile reading aid
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Educational device especially for the blind and the blind-deaf

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Electroactive polymer actuator braille cell and braille display

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Reexamination Certificate

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Electromechanical braille cell

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Electromechanical braille cell and method of operating same

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Electromechanical tactile cell assembly

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Reexamination Certificate

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Electromechanical transducer

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Electronic refreshable tactile display for Braille text and grap

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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