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| Number | Title | Issue Date |
| 5568030 | Travel control method, travel control device, and mobile robot for mobile robot systems In the travel control method in the mobile robot system including a plurality of mobile robots and the control station for controlling these mobile robot, the control station directs one of a plurality of mobile robots to the destination robot, responding... | 10/22/1996 |
| 5554914 | Micro robot A micro robot having a size of about 1 cm3 and capable of wireless control. This robot includes at least two sensors (12, 14) having detection regions thereof overlapping partially with each other, at least a pair of independently operated driv... | 09/10/1996 |
| 5545960 | Autonomous mobile machine, and system and method for controlling a mobile machine The present apparatus, control system, and method for navigating is used to navigate a mobile machine accurately along a traced path so that the machine avoids collisions with obstacles. Intermediate control outputs are generated not only in accordance wi... | 08/13/1996 |
| 5539646 | Method and apparatus for an AGV inertial table having an angular rate sensor and a voltage controlled oscillator A low-cost solid state replacement circuit for an inertial platform with the resulting consequence of increased resolution, significantly reduced cost, and improved reliability and accuracy. The invention comprises no moving parts and permits the use of a... | 07/23/1996 |
| 5537017 | Self-propelled device and process for exploring an area with the device The device and process is utilized for exploring an unknown working area. It is not necessary for this purpose to apply any markings in the area before using the device and the area does not have to have any special characteristics for determining locatio... | 07/16/1996 |
| 5530330 | Automated guidance system for a vehicle A system for automatically steering a vehicle through an irregular structure. A flexible lighting tube, in proximity to the back of the structure, communicates with at least one canted video camera. A processor takes the output of the camera, determines t... | 06/25/1996 |
| 5529139 | Vehicle speed control system A vehicle speed control system for controlling the speed of a controlled vehicle to follow a preceding vehicle detected at a constant interval is provided. In this system, when a preceding vehicle traveling ahead of the controlled vehicle is detected, it ... | 06/25/1996 |
| 5525883 | Mobile robot location determination employing error-correcting distributed landmarks An apparatus and method are disclosed for using specially designed landmarks to provide the position and orientation in three dimensions of an autonomous vehicle, such as a mobile robot. The landmarks are checkerboards of rectangular cells of contrasting ... | 06/11/1996 |
| 5525884 | Automatically guided vehicle A magnetically guided unmanned vehicle system to carry various loads along a guide path of a closed loop which comprises guide path consists of magnetic tape, a magnetic guide type steering drive unit having a magnetic sensor to detect magnetism from said... | 06/11/1996 |
| 5519296 | Method and apparatus for sensing guidewire signals The present invention features a material handling vehicle that is capable of operating in a manned mode, a wire guidance mode, and a rail guidance mode. This manned material handling vehicle contains a steering management control system comprising a logi... | 05/21/1996 |
| 5517098 | Automatic tracking mobile platform An automatic tracking mobile platform that works logically and practically. The process of making it is simple and cost efficient. An emitter is carried by the user; this emitter transmits various electromagnetic signals including infrared, visible light,... | 05/14/1996 |
| 5510984 | Automated guided vehicle enunciator system The enunciator system for an AGV includes a transmitter mounted on the AGV connected to an electrical control circuit having a plurality of individual switches operable to cause the transmitter to transmit a specific signal upon arrival of the AGV at pred... | 04/23/1996 |
| 5495159 | Charging apparatus for driverless transporting vehicle A charging apparatus of driverless transporting vehicle comprises a power unit, an electrode assembly connected to the power unit and sildably anlong a predetermined direction, a motor for sliding the assembly, an electrode unit rotatably journalled with ... | 02/27/1996 |
| 5489001 | Differential coupling and compound power system for a vehicle The present invention is directed to a differential coupling and compounding power system for use in a hybrid driven vehicle. The system includes a primary power source that includes an output shaft connected to a magnetic coupling and driving device. A m... | 02/06/1996 |
| 5488277 | Travel control method, travel control device, and mobile robot for mobile robot systems In the travel control method in the mobile robot system including a plurality of mobile robots and the control station for controlling these mobile robot, the control station directs one of a plurality of mobile robots to the destination robot, responding... | 01/30/1996 |
| 5487437 | Coupled differential turning control system for electric vehicle traction motors A turning control system for an electric vehicle includes a differential filter which receives a signal indicative of a desired vehicle steer angle and generates a pair of signals representative of proportional speed and direction at a left and a right dr... | 01/30/1996 |
| 5487009 | Method for determining the course of a land vehicle by comparing signals from wheel sensors with signals of a magnetic sensor In a method for determining the location of a land vehicle wherein the driving distance and course changes are derived from wheel pulses generated by sensors in the course of the revolution of the wheels of a vehicle axle by respectively a preset angle, t... | 01/23/1996 |
| 5483453 | Navigation control system with adaptive characteristics When the vehicle has deviated or is deviating from a lane on which the vehicle has been or is running, the deviation of the vehicle from the lane can be suppressed, for example, by allowing the steering wheel to be operatively rotated prior to an intentio... | 01/09/1996 |
| 5481460 | Controller for electric vehicle The present invention relates to a controller for an electric vehicle in which right and left drive wheels are respectively driven by drive motors which are individually provided. The controller for an electric vehicle comprises motors for driving right a... | 01/02/1996 |
| 5473233 | Electromagnetically propelled high-speed high-capacity transportation system for short-distance travel in urban and suburban areas An electromagnetically propelled transportation system designed to provide extremely high capacity at travel speeds between 50 and 150 miles per hour, to serve as a means of transportation within contiguous urban and suburban areas. The transportation sys... | 12/05/1995 |
| 5471385 | Routeless guiding method for moving body A routeless guiding method for guiding a moving body, in which the driving speeds of the body's right and left driving wheels are independently controlled according to an operational expression including parameters based on a positional relation between t... | 11/28/1995 |
| 5469360 | Vehicle position detecting apparatus A correct vehicle position is detected even when the road data to be used in the map match computation includes errors of partial shape. When the matching computing operation of a running locus and the road data obtained from the outputs of a bearing sens... | 11/21/1995 |
| 5467275 | Control apparatus for electric vehicle An electric vehicle control unit capable of position control so that the vehicle can be held in its stop position without vibration, even if an operator does not keep the brake pressed. The control circuit of the electric vehicle comprises a speed/torque ... | 11/14/1995 |
| 5467084 | Vehicle position determining apparatus Apparatus for determining the position of a mobile vehicle relative to a fixed location marker device which comprises a coil energized to emit a magnetic field composed of lines of magnetic flux extending radially and arcuately from the ends of the coil's... | 11/14/1995 |
| 5461292 | Remote controlled guidance system for working vehicle A remote control method of guidance for a work vehicle including a handheld control unit, an antenna/transponder placed on the periphery of the worksite, a controlling unit on the work vehicle itself. The control unit compares timing signals to subsequent... | 10/24/1995 |
| 5450320 | Automated guided vehicle movable in all directions An object of this invention is to provide an automated guided vehicle movable in all directions in which the cables will never be broken due to twisting, and it is unnecessary to perform a rest swing operation. The automated guided vehicle is movable in a... | 09/12/1995 |
| 5446656 | Method of guiding the travel of golf carts A method of moving and guiding the travel of a golf cart between a plurality of marker lines by steering the cart, when sensing one marker line, toward the other marker line. A plurality of parallel lines to be sensed is formed by linearly disposing magne... | 08/29/1995 |
| 5446356 | Mobile robot A self-propelled robot for performing jobs while travelling along a route, and more particularly to a mobile robot for correcting a position error generated in the course of movement of the robot to movably control the robot to a targeted area, including ... | 08/29/1995 |
| 5440216 | Robot cleaner A self moving robot cleaner capable of moving to an automatic charging unit to charge its battery when a charging voltage of the battery is decreased to below a predetermined level during a cleaning operation and then again carrying out the cleaning opera... | 08/08/1995 |
| 5434781 | Method and apparatus for guiding a driverless vehicle using a sensor tracking a cable emitting an electromagnetic field A method and apparatus for guiding a driverless vehicle along a path defined by a guide cable carrying a current in a horizontal road surface includes mounting a first coil, having a major coil axis, at +45 degrees relative to the horizontal on said vehic... | 07/18/1995 |
| 5434490 | Article transport system An article transport system includes a plurality of article loading and unloading stations, at least one carriage for running between the stations to transport articles therebetween, and a base station installed on the ground to provide the carriage with ... | 07/18/1995 |
| 5432416 | Driving apparatus for robot A self-propelled robot has a robot body on which a drive wheel is mounted. The drive wheel is connected to a member that can be turned about a vertical axis for steering the robot. A propulsion drive mechanism is mounted on that member for transmitting a ... | 07/11/1995 |
| 5429203 | Linear energy concentrator A linear energy communication system which allows a stationary device to communicate with a device moving along a predefined path through the use of radiated energy. An electronic signal generated by a transmitter is converted into energy in the opto-elec... | 07/04/1995 |
| 5414625 | System and method for providing steering control for autonomous vehicle A system and method for providing a steering control for an autonomous vehicle are disclosed in which a plurality of measuring points for determining distances therefrom to respective points on an imaged white line are set, a membership function for each ... | 05/09/1995 |
| 5410480 | Method of guiding travel of golf carts A method of guiding the travel of golf carts, wherein a marker line is formed of cart guides and is sensed by the golf carts through guide sensing means. The carts are advanced to trace along the marker line and each of the carts is automatically steered ... | 04/25/1995 |
| 5404087 | Automated guided vehicle wire guidance apparatus A wire guidance apparatus for an automated guided vehicle which comprises a first crossed coil sensor for acquiring a wire and tracking along curves in the wire as the vehicle is travelling in the forward direction, a second crossed coil sensor for acquir... | 04/04/1995 |
| 5402051 | Floor cleaning robot and method of controlling same A robot for cleaning a floor of a railroad vehicle has a robot body equipped with a cleaning mechanism and includes a travel mechanism controllable for locomotion in a desired direction. The robot also includes a distance detecting arrangement directed at... | 03/28/1995 |
| 5400864 | Method and apparatus for controlling the speed of a vehicle and its spacing from a preceding vehicle An automatic speed and distance control apparatus responsive to detected signals and operator induced signals for automatically controlling the speed of an automotive vehicle and its distance with respect to objects in its path of movement. A flexible con... | 03/28/1995 |
| 5400244 | Running control system for mobile robot provided with multiple sensor information integration system A running control system for a mobile robot has the functions necessary for motion clustered into a danger avoidance portion, a safe region advance portion and an interest region follow portion, and these are coupled to a motion actuator control portion w... | 03/21/1995 |
| 5387853 | Automatic travelling system of construction vehicle An automatic travelling system of a construction vehicle for the purpose of remarkably decreasing the number of guide lines laid to reduce the installation cost and making the guiding operation of a vehicle accurate and easy. The automatic travelling syst... | 02/07/1995 |
