|
US5040116A
|
|
Visual navigation and obstacle avoidance structured light system
|
|
US5103306A
|
|
Digital image compression employing a resolution gradient
|
|
US4968878A
|
|
Dual bumper-light curtain obstacle detection sensor
|
|
US5063604A
|
|
Method and means for recognizing patterns represented in logarithmic polar coordinates
|
|
US4958068A
|
|
Dual bumper-light curtain obstacle detection sensor
|
|
US5051906A
|
|
Mobile robot navigation employing retroreflective ceiling features
|
|
US4967862A
|
|
Tether-guided vehicle and method of controlling same
|
|
US4962453A
|
|
Autonomous vehicle for working on a surface and method of controlling same
|
|
US4951985A
|
|
Bumper for impact detection
|
|
US4933864A
|
|
Mobile robot navigation employing ceiling light fixtures
|
|
US4954962A
|
|
Visual navigation and obstacle avoidance structured light system
|
|
US4932489A
|
|
Steering and drive means for robot vehicle
|
|
US4905151A
|
|
One dimensional image visual system for a moving vehicle
|
|
US4979136A
|
|
Processing system and method for enhancing image data
|
