Signalling device for hard of hearing persons

Silent awakening system

Stylus or pen with tactile response to user

System and method for providing tactile feedback to a user...

System for guiding the blind

Tactile alarm system for gaining the attention of an individual

Tactile display apparatus

Tactile indicating device

Tactile indicating device

Tactile numeric display device

Tactile reading system for data coming from a computer and...

Tactile sensor apparatus and methods

Tactile stimulation device for hearing-impaired individuals

Timing and scorekeeping ring

Touch pad panel with tactile feedback

Touchscreen CRT with tactile feedback

Unitized housing for silent and tone pager alerting system

Very low-profile motor arrangement for radio pager silent alerti

Word processor work station with a braille reading line