Computer-controlled power wheelchair navigation system

Details Computer-controlled power wheelchair navigation system Computer-controlled power wheelchair navigation system

2005-01-11

2005-01-11

Black, Thomas G. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

C701S201000, C701S206000, C701S207000, C701S211000, C701S023000, C701S025000, C701S027000, C701S028000

Reexamination Certificate

active

06842692

ABSTRACT:
A wheelchair navigation system having motorized wheelchair which is powered by at least one onboard battery, and a battery charger. The navigation system also has a filter-based estimator with interface software running that is operated on an onboard laptop computer. Dual cameras, proximity sensors, microphones, and rotation sensors for the wheels are mounted to the wheelchair. Small markers are placed on the walls of a location or room. The navigation system uses the proximity sensors, rotation sensors and cameras in conjunction with the specialized software to determine where objects or impediments are located in the room and thereby redirect the path of the wheelchair so as to avoid such objects. The wheelchair is walked through the marked location thereby ‘teaching’ various paths which are recorded in the computer and recalled later when the wheelchair is in use.

REFERENCES:
patent: 4278142 (1981-07-01), Kono
patent: 4626993 (1986-12-01), Okuyama et al.
patent: 4647784 (1987-03-01), Stephens
patent: 4817000 (1989-03-01), Eberhardt
patent: 5006988 (1991-04-01), Borenstein et al.
patent: 5033000 (1991-07-01), Littlejohn et al.
patent: 5051906 (1991-09-01), Evans, Jr. et al.
patent: 5076384 (1991-12-01), Wada et al.
patent: 5155684 (1992-10-01), Burke et al.
patent: 5363933 (1994-11-01), Yu et al.
patent: 5497056 (1996-03-01), Kurland et al.
patent: 5545960 (1996-08-01), Ishikawa
patent: 5677836 (1997-10-01), Bauer
patent: 5687136 (1997-11-01), Borenstein
patent: 5793934 (1998-08-01), Bauer
patent: 5804942 (1998-09-01), Jeong
patent: 5812978 (1998-09-01), Nolan
patent: 5911767 (1999-06-01), Garibotto et al.
patent: 5961571 (1999-10-01), Gorr et al.
patent: 5999866 (1999-12-01), Kelly et al.
patent: 6078849 (2000-06-01), Brady et al.
patent: 6108592 (2000-08-01), Kurtzberg et al.
patent: 6125191 (2000-09-01), Mashimo et al.
patent: 6135228 (2000-10-01), Asada et al.
patent: 6154690 (2000-11-01), Coleman
patent: 6195610 (2001-02-01), Kaneko
patent: 6205380 (2001-03-01), Bauer et al.
Holly A. Yanco,Preliminary Investigation of a Semi-Autonomous Robotic Wheelchair Directed Through Electrodes, RESNA '97, Jun. 20-24, 1997, pp. 414, 416.
Skaar, S.B. and Yoder, J.D., “Extending Teach-Repeat to Nonholonomic Robots,” Structronic Systems: Smart Structures, Devices, and Systems; Part II, Systems and Control, H.S. Tzou and A. Guran, eds, Copyright 1998 by World Scientific Publishing Co. Pte, Ltd., Singapore, 1998.
E.T. Baumgartner and S.B. Skaar., “An Autonomous Vision-Based Mobile Robot,” IEEE Transactions on Automatic Control, vol. 39, No. 4, pp. 493-503, Mar. 1994.

Affiliated with

Also associated with

Rating

Computer-controlled power wheelchair navigation system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Computer-controlled power wheelchair navigation system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Computer-controlled power wheelchair navigation system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3437599