Actuating a tactile sensation in response to a sensed event

Alarm system for hearing impaired individuals having hearing...

Alert system for handicapped individual

Alerting apparatus

Apparatus and method for controlling vibration in mobile...

Apparatus and method of assisting visually impaired persons to g

Apparatus for providing sensory substitution of force feedback

Apparatus for providing vibrotactile sensory substitution of for

Apparatus to alert a deaf person

Arrangement for converting digital signals representing characte

Audible alarm and projection lamp attachment for a walking cane

Audible floor call recording method and braille information...

Audio information transmitting apparatus and the method...