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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 4858132 | Optical navigation system for an automatic guided vehicle, and method A navigation system for guiding an automatically guided vehicle along a variable, predetermined path defined by a plurality of fixed, spaced-apart points. A target is positioned at each spaced-apart point defining the target which includes first and light... | 08/15/1989 |
| 4780817 | Method and apparatus for providing destination and vehicle function information to an automatic guided vehicle A method for providing destination and vehicle function information to an AGV comprises the steps of providing one or more stationary dynamically codeable passage transducers (5) at predetermined spaced-apart points along an AGV path (220). The AGV path (... | 10/25/1988 |
| 4729449 | Automatically guided vehicle having steering mechanism for enabling vehicle to follow guidance wire An automatically guided vehicle (V) having a steering mechanism for enabling the vehicle to follow a guidance wire is disclosed. The vehicle includes a pair of spaced-apart steer drive antennas (S1, S2) and a pair of spaced-apart differential drive antenn... | 03/08/1988 |
| 4626995 | Apparatus and method for optical guidance system for automatic guided vehicle An optical guidance system for remotely controlled, self-propelled vehicles in which a single light source is used as an aiming point by the vehicle. The light source is detected by a camera lens and the vehicle is maneuvered according to the position of ... | 12/02/1986 |
