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Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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Class 307/86 - Condition responsive


Subclass of Class 307 - Electrical transmission or interconnection systems
Definition: Subject matter in which the connection or disconnection
No. of patents: 243
Last issue date: 05/22/2012


1              
NumberTitleIssue Date
8183715Reverse current preventing circuit and power source switching apparatus
A reverse current preventing circuit of an N channel type switching MOS transistor connected between a voltage input terminal and an output terminal to control a conduction state between the voltage input terminal and the output terminal, the circuit comprises: a fi...
05/22/2012
8129863Connection apparatus for parallel running generators
In an apparatus for connecting two generators to run in parallel, having plugs connectable to each generator output socket, an output socket connected to an electrical load, conductive paths that connect the plugs to the output socket while merging to a common path ...
03/06/2012
8125105Power supply device and construction machine
A power supply device comprises a bidirectional voltage converter unit that performs voltage stepping up or voltage stepping down between a first terminal and a second terminal; a first switching unit that applies a DC voltage obtained from the first electric power ...
02/28/2012
8044539Intelligent solar energy collection system
A street-lighting and solar energy collection system is disclosed. The system comprises a plurality of lighting/solar energy collecting units, an AC and DC power transmission means and a control unit. The system operates in one of the two operation modes. In the fir...
10/25/2011
7989985Method and system to stop return current from flowing into a disconnected power port of a dual battery powered device
A battery return disconnect (“BRD”) circuit for use with a battery supply having a plurality of electrically parallel inter-connecting batteries. The BRD circuit includes a plurality of DC input ports, a set of OR-ing diodes, a plurality of polarity detectors an...
08/02/2011
7969044System having a variable frequency power distribution bus for driving a variable speed motor
A power distribution system is provided for supplying power to a variable speed motor for rotating a shaft. The system comprises a variable speed prime mover adapted to generate an A/C output having a variable frequency corresponding to the speed of the prime mover,...
06/28/2011
7952234Power supply circuit, power supply control circuit and power supply control method
A plurality of DC-DC converters are cascade-connected via a plurality of control signal lines which are used in common for start sequence control and stop sequence control. Each of the plurality of DC-DC converters is constituted including a sequence control circuit...
05/31/2011
7932641Low voltage head room detection for reliable start-up of self-biased analog circuits
A method and structure for preventing operation of a circuit in a high current operating region by disabling a start-up circuit until a power supply headroom is detected at a predetermined voltage level. ...
04/26/2011
7893563Electrical distribution feeder system and method of operation
A system and method for operating a transferable feeder system on an electrical distribution system is provided. The system includes a controller that is disposed in communication with switches associated with feeders of a first substation and circuit breakers assoc...
02/22/2011
7851945System and method of providing power
Circuits and methods of providing power to an electric load are disclosed. The method includes the steps of, for example, generating power via at least first and second parallel power supplies, in response to the first power supply exhibiting an over-voltage, disabl...
12/14/2010
7745956Grid interconnection device, grid interconnection system and transfer trip system
A grid interconnection device includes a relay controller configured to control separation or interconnection of a relay; a receiver configured to receive, from a predetermined transmission path, power failure information containing at least local area information i...
06/29/2010
7671489Method and apparatus for selectively maintaining circuit power when higher voltages are present
A method and apparatus for detecting the presence of a specified voltage source and automatically switching off a second voltage source regardless of voltage source potential of the two voltage sources are disclosed. The present invention uses pinch-off of a JFET, c...
03/02/2010
7629710Control device for power supply bus voltage regulation
A control device for voltage regulation of a power supply bus, including a first switch adapted, when in a closed position, to connect an electrical energy generator to an energy storage device, and a second switch adapted, when in a closed position, to short-circui...
12/08/2009
7538453Fan power supply system
A fan power supply system having a pair of voltage supplies, one producing a higher voltage than the other. A switch selects one of the voltage supplies in response to a control signal. A DC/DC converter is connected to the selected one of the voltage supplies for p...
05/26/2009
7402986Power supply circuit for portable battery powered device
The present invention relates to battery power peripheral devices such as MP3 players which are also periodically connected to another power source such as a mains wall socket or USB cable power bus. In particular, but not exclusively, the present invention relates ...
07/22/2008
7400493Circuit breaking link status detection and reporting circuit
Certain embodiments provide a circuit breaking link status and reporting system. The system includes a power source and a circuit breaking link in communication therewith. An electrical outlet is in interruptible power supply communication with the circuit breaking ...
07/15/2008
7385310Electronic ballasts which can be connected in parallel on the basis of the type of lamp
The invention relates to the supply of lamps (8″, 8′″) of at least two different lamp types, of which a first lamp type (8′″) has a wattage which is approximately a whole multiple of the wattage of a second lamp type (8″), whereby th...
06/10/2008
7372173Wind farm and method for operating same
A wind farm with at least two wind turbines (1, 2, 3, 4) connected to a power grid is provided, said wind farm further comprising a control unit (5) connected to said at least two wind turbines (1, 2, 3, 4), and a sensor unit (6) connecte...
05/13/2008
7352087Power system configuration
A power system includes an input power port, a power rail, a battery unit, and a system charger voltage regulator (VR). The system charger VR couples the input power port to the battery unit. The battery unit couples with the system charger VR and the power rail.
04/01/2008
7342360Flashlight
A handheld flashlight includes a head that pivots relative to a body. Three legs pivotally connect to the body and open into a tripod to support the head in an elevated position. The legs are spring-biased toward the open tripod position and are selectively held clo...
03/11/2008
7342321Bicycle electric power unit
A bicycle electric power unit supplies electric power to a bicycle motor unit having a power source, a power source controller, a power source voltage detector, a first power source switch and a second power source switch. The power source controller turns off the f...
03/11/2008
7337078System and method for remote asset monitoring
A system and method for remotely monitoring conditions at a location and for controlling devices at the location. The inventive system includes: a data link in communication with an electronically readable instrument, the data link having a transceiver configured fo...
02/26/2008
7332896Apparatus and method for controlling supply voltage in multiple interface card
An apparatus and method for controlling a supply voltage of a multiple interface card includes a first voltage adjustment unit, a second voltage adjustment unit, an internal circuit, a first voltage controller, and a second voltage controller. The first voltage cont...
02/19/2008
7301247Power supply device incorporated in vehicle driven by internal combustion engine
A power supply device incorporated in a vehicle driven by an internal combustion engine including: a first power supply system for driving a vehicle load that converts an output of a generation coil provided in a generator driven by an internal combustion engine int...
11/27/2007
7294940Power over ethernet battery backup
An apparatus, system, and method for providing DC battery backup power to Power over Ethernet, (PoE) Mid Span or End Point Power Sourcing Equipment, (PSE), such that in the event of the loss of utility power the PSE device is able to continue to provide power for so...
11/13/2007
7286005Supply voltage switching circuit
A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to ...
10/23/2007
7276887Power supply circuit
A power supply circuit includes first and second power supply circuits. The first power supply circuit has a first voltage generation circuit and the second power supply circuit has a second voltage generation circuit and an operational amplifier. When a load is in ...
10/02/2007
7278036System and method for starting up plural electronic devices in an orderly manner
A system for starting up plural electronic devices includes an external controller, a power source, and four backboards. The external controller includes four output ends. Each backboard includes a power switch connected to a respective electronic device and to the ...
10/02/2007
7275164System and method for fencing any one of the plurality of voltage islands using a lookup table including AC and DC components for each functional block of the voltage islands
An integrated circuit (IC) chip (100) containing a plurality of voltage islands (124I-M) containing corresponding functional blocks (104I-M) that can be selectively fenced, i.e., powered down, while saving the states of the corresponding inputs,...
09/25/2007
7262520Robust power distribution systems and methods
The present invention provides systems and methods that allow for individual power sources to be disconnected and reconnected without interrupting the power supply from the other power sources and that allow for these power sources to provide power at substantially ...
08/28/2007
7262519Actuator unit with at least two actuators and a secure control unit
In order to provide a bearing for an already prepositioned switching shaft, fitted with coupling levers, of a low-voltage circuit breaker in the region where the switching forces act, a bearing assembly is provided. The bearing assembly includes a bearing body which...
08/28/2007
7245469DC backup power supply device and method for diagnosing the same
A reliable uninterruptible DC power supply device. The DC backup power supply device includes an AC/DC converter, a DC/DC converter, voltage step-up/down choppers and a battery connected to a DC path of a main circuit connected with a load via a switch, and a microc...
07/17/2007
7242313System for providing pathway indications through unlit areas
An auxiliary lighting system contains at least one photoelectric cell to convert ambient light into energy and at least one light emitting diode. The photoelectric cell converts ambient light into energy which is stored in a storage cell. A switching system provides...
07/10/2007
7239534Cellular inverter with reduced switching distortion rate
A cellular inverter generates an alternating output voltage by a succession of serial combinations of DC voltage electrical sources that are available to it within switchable cells and, within a serial combination currently in use, by a voltage regulation using high...
07/03/2007
7215106Power supply control circuit, electronic device, and printing apparatus
A power supply control circuit for controlling a power supply circuit having a DC/DC converter is provided. A discharge circuit operates based on a discharge instruction signal for instructing discharge and uses a switching element to remove charges of a capacitor c...
05/08/2007
7166934Package-based voltage control
A device package that receives a voltage from a power supply on a motherboard and that includes provisions for a voltage control element that controls the power supply voltage. The provisions for the voltage control element are such that the voltage from the power s...
01/23/2007
7166985Fuel cell power system having a plurality of rack fuel cell power modules
A fuel cell power module is provided. The module comprises (a) power production unit, (b) a power conditioning and protection unit, and (c) a control unit, each unit being modules and integrated into a module for independent removal. Multiple modules are networked s...
01/23/2007
7162655Method and system for information handling system power control
Power supply response to variations in power demand by a microprocessor is improved with a compensation loops that estimate changes in load current with improved speed. The load current estimate is performed in part with a capacitance feed forward compensation loop ...
01/09/2007
7157803Power system including lithium-metal-polymer batteries
The present invention is an energy generating system which uses Lithium Metal Polymer (LMP) batteries in conjunction with a microturbine, a fuel cell, and commercial electrical power. The LMPs provide uninterruptible power when one or more of the other power systems...
01/02/2007
7145265AC/DC hybrid power system
A hybrid power system has two voltage sources, a variable DC power source, and a second power source, connected through selection components to a common node. The variable DC power source may be a solar power source and the second source may be an AC grid. The selec...
12/05/2006
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