Electromechanical tactile cell assembly

Electromechanical transducer

Electronic refreshable tactile display for Braille text and grap

Finger control system

Graphic tactile cell

Handrail system for guiding visually impaired having braille and

Indications for the visually handicapped using transparent three

Information processing apparatus

Interchangeable symbolic language overlay system for push button

Laptop braille slate

Learning apparatus

Manual braille writer

Means for generating a tactile character field

Method and apparatus for tactile transduction of acoustic signal

Method and device for displaying graphic information, in particu

Method and device for producing a tactile display using an elect

Method for accessing interactive multimedia information or...

Method for accessing interactive multimedia information or...

Orientator

Portable reading device for the blind