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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8000069 | Circuit testing closer apparatus and method with dynamic test thresholds A circuit testing closer is capable of closing a power distribution circuit and interrupting the resulting current at the next current zero. Upon detecting a fault, the circuit testing closer is operable to open contacts to isolate the fault. Next, the circuit testi... | 08/16/2011 |
| 7944660 | Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution Electrical distribution systems implementing micro-electromechanical system based switching devices. Exemplary embodiments include a method in an electrical distribution system, the method including determining if there is a fault condition in a branch of the electr... | 05/17/2011 |
| 7616419 | Switchgear control apparatus A switchgear control apparatus includes a zero point interval detecting circuit, an interruption time judgment circuit and a reclosing time decision circuit. The zero point interval detecting circuit detects time intervals between successive zero points of a main ci... | 11/10/2009 |
| 7403130 | Removing an automatic circuit recloser from service prior to battery failure An automatic circuit recloser is automatically removed from service prior to battery failure. Logic implemented on the automatic circuit recloser is used to determine whether a battery of the automatic circuit recloser may power operation of the automatic circuit re... | 07/22/2008 |
| 7403837 | Portable device used to at least visualize the process data of a machine, a robot or a technical process A portable device (1) with at least one optical output device (2) for displaying at least process data of a machine, a robot or a technical process, with at least one input device (3) for at least intervening in the operating functions of the de... | 07/22/2008 |
| 7336461 | Method for determining the moment of closure of a circuit breaker on a high voltage line A method for determining the reclose time of a circuit breaker on a three-phase high-voltage electric network after separation of contacts 7A, 8A, 7B, 8B, 7C, 8C in the presence of a fault on one of the three phases A, B or ... | 02/26/2008 |
| 7310240 | Method for increasing stability of system memory through enhanced quality of supply power An apparatus for buffering power transients in a supply power for expansion cards inserted into expansion slots on a computer motherboard. The apparatus comprises a printed circuit board, a connector on the printed circuit board, and at least one capacitor on the pr... | 12/18/2007 |
| 7291940 | Pressure sensitive switches including touch sensor structures An electronic circuit for use with an exhaustible power source and at least one load such as a light bulb, a radio or motor, includes a microchip with an input that transmits a signal to the microchip when the load is activated or deactivated. The input does not for... | 11/06/2007 |
| 7262574 | Robot overcurrent prevention system In an overcurrent prevention system for a robot having links connected by joints and an electrical system including electric motors installed at the joint, a power circuit connecting the electric motors to a power source, and drive circuits to supply current to the ... | 08/28/2007 |
| 7245094 | Power output apparatus, motor vehicle equipped with power output apparatus, and control method of power output apparatus In the vehicle of the invention, when the temperature of an inverter 42 for driving a motor MG2 linked to front wheels 62a and 62b reaches or exceeds a preset restriction start temperature, the drive control of the invention... | 07/17/2007 |
| 7209330 | Reset lockout for circuit interrupting device Resettable circuit interrupting devices, such as GFCI devices, that include a reset lock-out mechanism are provided. The reset lock-out mechanism prevents the resetting of electrical connections between input and output conductors if the circuit interrupting mechani... | 04/24/2007 |
| 7177125 | Arc fault detection for SSPC based electrical power distribution systems An apparatus and a method detect arc faults in an electrical power distribution system of a vehicle. In one implementation, the apparatus (320) includes: a load current input (340) arranged to obtain a measurement of current being supplied to a load ( | 02/13/2007 |
| 7170730 | Multiple suite audio line isolator A method for isolating suites includes the steps of isolating the suites when an alarm is initiated, setting a timer during isolation creating a window of time to clear a short circuit, clearing said short circuit, removing isolation from the suites as the timer rea... | 01/30/2007 |
| 7119459 | Intelligent switch for connecting power to a load A switching circuit includes a microchip which, in response to a signal from a signal switch, controls the operation of a power switch which, when closed, connects a load to a battery. The microchip can monitor the status of the battery and control the power switch ... | 10/10/2006 |
| 7110231 | Adaptive protection system for a power-distribution network A preferred embodiment of a system comprises a recloser electrically coupled to a voltage source of a power-distribution network and adapted to isolate a section of a distribution feeder of the power-distribution network from the voltage source in response to an ove... | 09/19/2006 |
| 7068483 | Circuit breaker lockout A circuit breaker lockout device is provided that prevents the breaker contacts from being closed when the circuit breaker is in a lockout state in response to a lockout signal and permits the breaker contacts to be closed when the circuit breaker is an enable state... | 06/27/2006 |
| 7049696 | IC package with electrically conductive heat-radiating mechanism, connection structure and electronic device A connection structure including an IC chip, a substrate disposed with a conductive layer, and a heat-radiating mechanism that is mounted on the substrate, disposed between the IC chip and the substrate, and dissipates heat of the IC chip, wherein terminals of the I... | 05/23/2006 |
| 7050866 | Dynamic controller for controlling a system A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model (20) and an independent dynamic model (22). The static model (20) is a rigorous predictive mo... | 05/23/2006 |
| 7027893 | Robotic tool coupler rapid-connect bus A tool changer comprising a master module and a tool module includes a rapid-connect communication bus between the master and tool modules. A unique tool identification number, along with other tool-related information, may be transmitted from the tool module to the... | 04/11/2006 |
| 6963793 | Distribution network monitoring and control system A distribution network monitoring and control system for monitoring and controlling a distribution network system including monitoring and control means for taking in an information and for outputting a control information for the switches thereof, status grasping m... | 11/08/2005 |
| 6933678 | Emergency lighting function illumination appliance An emergency lighting function illumination appliance comprised of a fluorescent lamp tube, a controller, a mains power circuit capable of processing mains electric power for lighting, and a backup circuit that provides for a backup power source. With these devices ... | 08/23/2005 |
| 6917856 | Robot It is constructed so as to detect a joint movement position of a robot arm by a position detector and a joint movement speed is calculated from change amounts of the joint movement position and elapsed time and is compared with an allowable movement speed and unlock... | 07/12/2005 |
| 6867958 | Loop restoration scheme for distribution feeders A system and methods that enable a restoration scheme for power distribution systems that is independent of power distribution system component configuration, the number of power distribution system components, and component settings are provided. In a power distrib... | 03/15/2005 |
| 6850395 | System and method for automatic re-closure and re-closing device The invention relates to a method for automatically re-closing when there is a short-circuit in a line section of an electric energy supply line, whereby said section is defined by one switch respectively which comprises an allocated short-circuit detection device. ... | 02/01/2005 |
| 6828915 | Circuit board fault warning system A fault warning system controls light sources and a warning signal to provide an indication of fatal and non-fatal faults in a communication system. The circuitry uses a pull-down circuit in electrical communication with light and signal control circuits. The circui... | 12/07/2004 |
| 6778370 | Adaptive recloser/sectionalizer A recloser is monitored and adaptively controlled so that it will operate in a manner responsive to prevailing conditions as either a recloser or as a sectionalizer. The prevailing conditions that are determined are those that will affect the operation of the reclos... | 08/17/2004 |
| 6768620 | Adaptive reclosing method using variable dead time control algorithm in power transmission line Disclosed in an adaptive reclosing method using a variable dead time control algorithm in a power transmission line. The method is used to remove faults induced by a circuit breaker being operated by a protective relay and to reclose the circuit breaker after a dead... | 07/27/2004 |
| 6735534 | One or all phases recloser control A recloser trips on one phase for single-phase only fault conditions, or all phases for multi-phase fault conditions. During power delivery, the recloser monitors the three phases of a power line (e.g., phases A, B, and C). If a fault is detected on one phase, then ... | 05/11/2004 |
| 6735533 | Only picked up phases recloser control A recloser trips on one phase for single-phase only fault conditions, two phases for two-phase fault conditions, or all three phases for three-phase fault conditions. During power delivery, the recloser monitors the three phases of a power line (e.g., phases A, B, a... | 05/11/2004 |
| 6707655 | Adaptive protection for recloser control A recloser is adaptively controlled so that it will operate in a manner responsive to prevailing conditions such as time of day, day of week, and/or load current. A protection setting group is stored in a memory accessible by the recloser controller, and contains a ... | 03/16/2004 |
| 6687573 | Recloser and fuse coordination scheme An automatic power restoration device has a modifiable end point. The end point is indicative of the operational parameters of the automatic power restoration device. A user can modify the end point and thus the operational parameters of the automatic pow... | 02/03/2004 |
| 6667866 | Virtual ground following single-phase trip A three phase trip of a power line is prevented in a power distribution network delivering electrical power through multiple current carrying conductors and a neutral/ground line. The three phase trip is prevented after a change in the current in the neut... | 12/23/2003 |
| 6577963 | Programmatic resetting of circuit breakers In a system, method and program for monitoring and control of a circuit having a circuit breaker, circuit profile information characterizing the circuit is used to determine a reset strategy for resetting of the circuit breaker when it becomes tripped. Th... | 06/10/2003 |
| 6539287 | Distribution control system capable of isolating fault section without using time limited sequential shift function A distribution control system includes in each of feeder terminal units a controller that updates a value in a latest current value storage area of a memory, every time a current value is detected at a sampling interval. If a distribution line fault takes... | 03/25/2003 |
| 6456475 | Off-line converter with digital control A circuit protects a power conversion system with a feedback control loop from a fault condition. The circuit has an oscillator having an input for generating a signal with a frequency and a timer connected to the oscillator input and to the feedback cont... | 09/24/2002 |
| 6385023 | Reclosing apparatus for auxiliary systems A reclosing apparatus for the auxiliary systems of a plant, in particular a power station, has drive modules (81) for actuating electrical drives (23a, 23b, 33, 53a, 53b, 63, 73) of the auxiliary systems. Each drive module (81) of a reclosable drive (23a,... | 05/07/2002 |
| 6356806 | Method for handling a voltage drop in the control of a robot and for restarting a robot following a voltage drop A method for handling the voltage drop, at least in the control unit of a robot with a PC control is provided that minimizes the time of a plant stoppage and avoids wasteful process interruptions. The PC control has a real time operating system for the ti... | 03/12/2002 |
| 6337788 | Fault condition protection A circuit protects a power conversion system with a feedback control loop from a fault condition. The circuit has an oscillator having an input for generating a signal with a frequency and a timer connected to the oscillator input and to the feedback cont... | 01/08/2002 |
| 6239960 | Reconfigurable reclosing relay A reclosing relay is provided with switch settings and microprocessor control to permit emulation of a variety of different styles of motor-driven reclosing relays in power distribution systems. The reclosing relay is particularly suitable for replacement... | 05/29/2001 |
| 6201676 | Time delay device A hydraulic time delay device couples to a fault-sensing element in a circuit recloser. The time delay device includes a piston that has an external connection and is operable to move through a housing in the device to cause hydraulic fluid in the housing... | 03/13/2001 |
