Voice-controlled motorized wheelchair with sensors and displays

Details Voice-controlled motorized wheelchair with sensors and displays Voice-controlled motorized wheelchair with sensors and displays

1998-05-07

2000-08-22

Louis-Jacques, Jacques H.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

701 23, 180 65, 180 651, 180907, 180167, 180169, 2802501, 280755, 318269, 318369, G05D 100, G06F 700

Patent

active

061085928

ABSTRACT:
A motorized wheel-chair is equipped with one or more sensors for detecting obstacles. The detection method may be either radar or sonar (or both). An on-board computer processes these echoes and presents a visual or auditory display. With the benefit of these displays, the user issues voice commands (or exerts manual pressure) to maneuver appropriately the motorized wheelchair. One or more microphones pick up the sounds of the user's voice and transmit them to a computer. The computer decodes the maneuvering commands by speech-recognition techniques and transmits these commands to the wheelchair to effect the desired motion. In addition to speech recognition for decoding commands, voice (speaker) recognition is employed to determine authorized users.

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patent: 5964473 (1999-10-01), Degonda et al.

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