...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Application No. | Application Title | Issue Date |
| 20080231222 | WHEELED MOVING ROBOT A wheeled moving robot including a main body; wheels provided at least at opposite sides of the main body and configured to move the main body; an actuator configured to generate torque which rotates the wheels; a detector configured to detect whether the main body move... | 09/25/2008 |
| 20080079383 | Method of controlling movement of robot, mobile robot, and computer program product A method of controlling movement of a robot, the method includes detecting a target person to be followed, following detected target person, detecting an environment of a current position around the robot while following the detected target person, determining whether d... | 04/03/2008 |
| 20070262740 | Antilock System For A Permanently Excited Electric Motor Drive As an antilock system for a permanently excited electric motor drive, especially for a steering booster servo drive of a motor vehicle, in the event of a winding short-circuit, an interruption of at least one winding phase (MP1 or MP2 or MP3) of the... | 11/15/2007 |
| 20070145933 | Self-propelled apparatus An object of the present invention is to provide a self-propelled apparatus that can conduct efficient performance by avoiding an obstacle in a more suitable manner. Concerning the self-propelled apparatus, rotation direction determination section determines rotation di... | 06/28/2007 |
| 20070096676 | MOBILE ROBOT AND MOBILE ROBOT CHARGE STATION RETURN SYSTEM Disclosed are a mobile robot and a mobile robot charge station return system, the mobile robot having a simplified structure by commonly using a detection sensor capable of both receiving charge station guide signals and obstacle detection signals, the two types of sign... | 05/03/2007 |
| 20070096675 | MOBILE ROBOT CHARGE STATION RETURN SYSTEM Disclosed is a mobile robot charge station return system, which may return a mobile robot to a charge station exactly and rapidly according to a charge station position guidance signal emitted from the charge station. The mobile robot charge station return system includ... | 05/03/2007 |
| 20070029962 | Monitoring device and self-propelled cleaner Disclosed is a monitoring device and a self-propelled cleaner including the monitoring device, that track a moving body securely and stably. Within the monitoring device 9, presence of the moving body is detected by a moving body detecting section according to im... | 02/08/2007 |
| 20070018602 | Device for demarcating an area A device for demarcating an area, in particular for limiting the freedom of movement of animals walking about freely, is provided with a demarcating element (2) that is connected with a first vehicle (1) and with at least a second vehicle (10). At l... | 01/25/2007 |
| 20060273749 | SYSTEM AND METHOD FOR AUTOMATICALLY RETURNING SELF-MOVING ROBOT TO CHARGER A system and method for automatically returning a self-moving robot to a charger is provided. The charger emits infrared light from an infrared module in response to a charging request signal received from the self-moving robot through a wireless transceiver, and output... | 12/07/2006 |
| 20060261772 | Position-recognizing system for self-moving robot Disclosed is a position-recognizing system of a self-moving robot. A position-recognizing system of a self-moving robot includes: a floor in which a magnet is inserted; and a self-moving robot provided with a magnetic sensor that can sense the magnet while the robot is ... | 11/23/2006 |
| 20060238157 | Self-running robot having pressing sensing function and control method thereof Disclosed is a pressing sensing technology of a self-running robot, comprising a pressing sensing unit for sensing pressing on the top of the self-running robot and a microprocessor for controlling driving of the self-running robot in accordance with the sensing signal ... | 10/26/2006 |
| 20060238156 | Self-moving robot capable of correcting movement errors and method for correcting movement errors of the same A self-moving robot capable of correcting movement errors is provided. The self-moving robot includes a plurality of drive wheels, motors for rotating the drive wheels, drive wheel rotation detectors for detecting the amount of rotation of the drive wheels, a rotation d... | 10/26/2006 |
| 20060238159 | Position calculation system for mobile robot and charging-stand return and method using the same Disclosed herein is a mobile robot which is capable of accurately calculating a position of the wireless signal source using a wireless signal, and allowing the mobile robot to accurately and rapidly return to a charging-stand using the calculated position. The position... | 10/26/2006 |
| 20060220606 | Device for detecting lift of autonomous mobile robot Disclosed herein is a device for detecting lift of an autonomous mobile robot. The device comprises at least one detection unit to detect lift of the main body of the robot during driving of the robot and to generate and output the lift detection signal, and a controlle... | 10/05/2006 |
| 20060132079 | Self-traveling cleaning robot A self-traveling cleaning robot includes: a stepped portion detecting unit for detecting a stepped portion of a floor arranged on the center front part of the bottom of the robot main body; an angle detecting unit for detecting the rotation angle of the main body in hor... | 06/22/2006 |
| 20060089765 | System and method for behavior based control of an autonomous vehicle System and method for behavior based control of an autonomous vehicle. Actuators (e.g., linkages) manipulate input devices (e.g., articulation controls and drive controls, such as a throttle lever, steering gear, tie rods, throttle, brake, accelerator, or transmission s... | 04/27/2006 |
| 20060087273 | Robot cleaner system and a method for returning to external recharging apparatus A robot cleaner system and a method for the robot cleaner to return to an external recharging apparatus. The robot cleaner system has an external recharging apparatus including a charging stand having a charging terminal, and a plurality of transmission parts for sendin... | 04/27/2006 |
| 20050246078 | Automatically guided vehicle with improved navigation Automatically guided vehicle (AGV) with improved navigation which is provided with at least one measuring system for a relative position finding, characterized in that it is also provided with two or more measuring systems to determine the absolute position of the vehic... | 11/03/2005 |
| 20050212478 | Station for self-propelled robot A control unit of a station concentrically rotates a plurality of unit replacing units by a motor on a first horizontal plane parallel to a floor bearing the station when arrival of the self-propelled cleaner is detected. The control unit activates, as a unit for removi... | 09/29/2005 |
| 20050212680 | Self-propelled cleaner A conventional gas leak alarm system is installed in a fixed place of a kitchen or similar space and just generates an alarm sound. Therefore, only a person which is at home can hear an alarm sound which it generates and even a person at home may not be able to hear it ... | 09/29/2005 |
| 20050103545 | Device for inductively supplying power and guiding a mobile object Device for inductive power supply and guidance of a moving object, with a primary inductance element extending as a conductive loop along a path provided for the object. A secondary inductance element is arranged on the object and can be coupled magnetically with the pr... | 05/19/2005 |
| 20050072553 | Gen set with external oil filter and pump A heating and air-conditioning system allows heating and cooling of a vehicle while the primary engine of the vehicle not operating. The auxiliary engine has an electrical generating device for generating electricity. A radiator is connected to the auxiliary engine for ... | 04/07/2005 |
| 20050043867 | Driving control device for vehicle In the event that the differential value of the target node deviation is equal to or greater than a deviation threshold, and the absolute value of the steering torque is equal to or greater than a steering torque threshold, the system outputs signals to a brake control ... | 02/24/2005 |