Wheelchair mounted control apparatus
First Claim
Patent Images
1. A wheelchair-mounted control apparatus for controlling a powered wheelchair comprising:
- a voice processor for converting any of a set of preselected spoken command words into corresponding computer-recognizable signals, said spoken words corresponding to desired operations for said wheelchair;
a microcomputer operatively connected to said voice processor including an identifier for identifying a particular sequence of said signals, corresponding to a preselected sequence of said spoken commands including a first spoken function command for specifying the function to be performed by said wheelchair and a subsequently spoken activation command for conditioning said specified function to be performed by said wheelchair, as a command sequence and also including a set of control lines and a first activator responsive to the identification of said command sequence for selectively activating said control lines; and
a wheelchair controller including a left and a right wheel drive motor, for propelling said wheelchair in response to the activation of said control lines.
0 Assignments
0 Petitions
Accused Products
Abstract
A voice actuated wheelchair control apparatus is disclosed which allows a quadriplegic to control the speed and direction of travel of a motorized wheelchair by spoken commands. The apparatus includes means for executing spoken commands for initiating incremental changes in the chair'"'"'s speed or direction of travel. The apparatus also includes means for executing spoken commands which modify or override the wheelchair motion initiated by previously spoken commands.
135 Citations
14 Claims
-
1. A wheelchair-mounted control apparatus for controlling a powered wheelchair comprising:
-
a voice processor for converting any of a set of preselected spoken command words into corresponding computer-recognizable signals, said spoken words corresponding to desired operations for said wheelchair; a microcomputer operatively connected to said voice processor including an identifier for identifying a particular sequence of said signals, corresponding to a preselected sequence of said spoken commands including a first spoken function command for specifying the function to be performed by said wheelchair and a subsequently spoken activation command for conditioning said specified function to be performed by said wheelchair, as a command sequence and also including a set of control lines and a first activator responsive to the identification of said command sequence for selectively activating said control lines; and a wheelchair controller including a left and a right wheel drive motor, for propelling said wheelchair in response to the activation of said control lines. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
Specification