Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8164865 | System and method for quickly discharging a DC relay A system and method for quickly discharging a DC relay is provided. In one embodiment, the invention relates to circuit for discharging a relay coil, the circuit including a first suppression circuit coupled across a control power source, a switch, a relay coil in s... | 04/24/2012 |
| 8064173 | Energizing capacitor loads A method for providing means for energizing a capacitive load. The capacitive load is connected to an alternating current power source by using a connecting device. The connecting device comprises at least one diode and connecting organs, which can be closed or open... | 11/22/2011 |
| 8054589 | Switch structure and associated circuit An apparatus, such as a switch module, is provided. The apparatus can include an electromechanical switch structure configured to move between an open configuration and a fully-closed configuration (associated with a minimum characteristic resistance) over a charact... | 11/08/2011 |
| 8050000 | Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition A system is presented. The system includes a micro-electromechanical system switch. Further, the system includes a balanced diode bridge configured to suppress arc formation between contacts of the micro-electromechanical system switch. A pulse circuit is coupled to... | 11/01/2011 |
| 7961443 | Hybrid power relay using communications link A control circuit for controlling an arc suppression circuit includes a serial communication link communicating a serial signal therethrough. The control circuit includes a microprocessor having a serial input communicating with the serial communication link. The mi... | 06/14/2011 |
| 7929260 | Arc flash elimination system, apparatus, and method A method of eliminating arc flash in a motor control center is disclosed. The method includes sensing an arc flash corresponding to the motor control center. In response to sensing the arc flash, and subsequent to a delay, determining whether the arc flash continues... | 04/19/2011 |
| 7924535 | Electronic arc extinguishing device An electronic switch structure capable of extinguishing arcs is provided. A device capable of extinguishing arcs generated when an electric switch is turned on or off is in a following structure. Two silicon controlled rectifiers are connected in inverse parallel. T... | 04/12/2011 |
| 7885043 | Remote-operable micro-electromechanical system based over-current protection apparatus The present invention provides a remote operable over-current protection apparatus. The apparatus includes control circuitry integrally arranged on a current path and a micro electromechanical system (MEMS) switch disposed on the current path, the MEMS switch respon... | 02/08/2011 |
| 7876538 | Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition A system is presented. The system includes a micro-electromechanical system switch. Further, the system includes a balanced diode bridge configured to suppress arc formation between contacts of the micro-electromechanical system switch. A pulse circuit is coupled to... | 01/25/2011 |
| 7852605 | Arc-flash hazard protection system for three-phase electrical distribution system An arc-flash hazard protection system for a three-phase electrical distribution system having a plurality of switchgear interconnected with a plurality of distribution buses is disclosed. The protection system includes a plurality of first and second current transfo... | 12/14/2010 |
| 7791846 | Arc flash detection system, apparatus and method An arc flash system for a circuit breaker and a method of operation is provided. The arc flash system includes a first sensor such as a photo-detector and a second sensor that detects a circuit breaker parameter. The arc flash system is responsive to signals from th... | 09/07/2010 |
| 7688556 | Arc-discharge detection device The present invention discloses an arc-discharge detection device, which is used to detect the arc discharge persistently occurring in between an inverter and a load during an abnormal power transmission state. The inverter is arranged in a circuit board, and a carb... | 03/30/2010 |
| 7672095 | Relay controller A relay controller for connecting a power source includes at least one relay having at least two contacts. The relay controller includes a processing device operable to selectively switch the relay contacts, and a feedback circuit adapted to identify an actual state... | 03/02/2010 |
| 7639460 | Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line The switching apparatus and the method are for varying the impedance of a phase line of a segment of an electrical power line. The phase line includes n conductors electrically insulated from each other and short-circuited together at two ends of the segment. The ap... | 12/29/2009 |
| 7576957 | Circuit interrupter including point-on-wave controller and voltage sensors A circuit breaker includes a circuit breaker housing and a plurality of independent poles. Each of the independent poles includes separable contacts, a voltage sensor mounted on or within the circuit breaker housing and being structured to sense voltage operatively ... | 08/18/2009 |
| 7542250 | Micro-electromechanical system based electric motor starter A motor starter is provided. The motor starter includes micro-electromechanical system switching circuitry. The system may further include solid state switching circuitry coupled in a parallel circuit with the electromechanical switching circuitry, and a controller ... | 06/02/2009 |
| 7538990 | High voltage DC contactor hybrid without a DC arc break An apparatus, and a method of opening and closing electrical power feed lines using a hybrid contactor, which combines a traditional set of mechanical main contacts with a high voltage solid state switch. The solid state switch provides a parallel current path aroun... | 05/26/2009 |
| 7463460 | Arc quenching device for a solar array A device for protecting against arcing events solar array panels and control equipment supplying a main power bus is provided. The control equipment comprises a regulator for controlling a solar array voltage (Vs) and includes a power dump stage for shunt... | 12/09/2008 |
| 7441173 | Systems, devices, and methods for arc fault detection Certain exemplary embodiments comprise a system that comprises an application specific integrated circuit configured to provide an output signal. The output signal can be configured to trip a device in an electrical circuit responsive to a detected fault. The applic... | 10/21/2008 |
| 7405910 | Multifunction hybrid solid-state switchgear A universal hybrid solid-state switchgear for power transmission or distribution systems incorporates a fast mechanical switch and solid-state power electronics switching circuits to provide circuit breaker and fault current limiting applications. ... | 07/29/2008 |
| 7391133 | Hybrid switch An electrical switching topology for a hybrid switch provides extremely low losses in both cryogenic and non-cryogenic electronic systems. In this switch having switch modules connected in parallel, switching losses in a first module are separated from conduction lo... | 06/24/2008 |
| 7366622 | Arc fault identification using model reference estimation An apparatus and method for the identification of arcing phenomena in a faulted electrical network. By continually updating a model for the load on an electrical branch, an estimate of the behavior of that load may be calculated. Since electrical arcing faults resul... | 04/29/2008 |
| 7345856 | Method and apparatus for arc suppression in scanned ion beam processing equipment In an ion bean acceleration system, transient electrical arc suppression and ion beam accelerator biasing circuitry. Two-terminal circuitry, connectable in series, for suppressing arcs by automatically sensing arc conditions and switch from at least a first operatin... | 03/18/2008 |
| 7342754 | Bypass circuit to prevent arcing in a switching device A device is provided for preventing arcing between contacts of a switching device as the contacts of the switching device are opened. The device includes a coil suppression circuit connected in parallel with the coil. The coil suppression circuit dissipates the ener... | 03/11/2008 |
| 7340626 | Image forming apparatus An image forming apparatus includes a main power supply section, an auxiliary power supply section, a plurality of sensors, and a power control section. The sensors are disposed at a plurality of positions. The sensors change output levels thereof upon detection of ... | 03/04/2008 |
| 7324314 | Disconnect switch with early break feature A disconnect switch that provides a simple and economical means for preventing the possibility of stray/surge current from damaging the solid state components of an inverter drive is provided. The disconnect switch includes early break auxiliary contact(s) that open... | 01/29/2008 |
| 7293728 | Electric spice mill An electric spice mill comprising a power unit coupled to the motor of the mill, the power unit comprising: (i) first and second electric circuits; (ii) a switch in electrical contact with said first and said second electric circuits; and (iii) an actuator movable b... | 11/13/2007 |
| 7283344 | Electronic switch In an electronic switch which includes a pair of terminal portions 14, 14, and self arc-suppressing elements Q21, Q22 having a one-way on and off control construction connected in inverse-series between the pair of terminal portions and which tu... | 10/16/2007 |
| 7280338 | Power supply circuit, back-pack power supply module and circuit interrupter including the same A back-pack power supply module is for a circuit interrupter including an elongated line conductor. The back-pack power supply module includes a housing having an opening therethrough. The opening receives the elongated line conductor, which passes through the openi... | 10/09/2007 |
| 7271990 | Smart solid state relay An electrical system includes a solid state relay (1) and an electrical connector (2) that connects solid state relay (1) to a load (4). The solid state relay (1) includes a power MOSFET (Q1) for switching power to the load ... | 09/18/2007 |
| 7262942 | Low arc AC contactor A low arc AC contactor comprises an on/off mechanism electromagnetic-controlled contact, a pulse power source generating circuit, a low arc trigger generating circuit, and a multifunctional fault-detecting circuit. The contactor converts an instantaneous strong curr... | 08/28/2007 |
| 7259945 | Active arc-suppression circuit, system, and method of use An active arc suppression circuit and systems and methods of use to suppress arcing in an electro-mechanical apparatus. The preferred circuit includes an electro-mechanical switch and a solid state shunt switch for temporarily shunting current around the electro-mec... | 08/21/2007 |
| 7259944 | Method for operating a switch with a connectable current limiter and corresponding arrangement Power switches are provided with measures for preventing a recommendation of the arc from the secondary current path to the main current path and/or measures for returning the current limiter during the recommutation of the light art. A corresponding arrangement for... | 08/21/2007 |
| 7253996 | Method and arc fault circuit interrupter employing a hysteresis value for compressor rumble An arc fault detection circuit collects samples of sensed current, determines a peak current value from the samples for each line cycle, determines a hysteresis value for a compressor load as a function of differences between the peak current values, and generates a... | 08/07/2007 |
| 7245475 | Wide input voltage range relay drive circuit for universal defrost timer A wide input voltage range relay drive circuit allowing a more than 2:1 input voltage variation is provided. The circuit utilizes a scaled and rectified bulk voltage to drive the relay coil. As the monitored bulk voltage increases beyond the relay coil rated voltage... | 07/17/2007 |
| 7242196 | Power supply controller apparatus for detecting welding of contactors A power supply controller apparatus is provided for use in a power supply apparatus including a battery assembly. The power supply controller apparatus includes a controller that controls supplying power to a load from said battery assembly through a capacitor conne... | 07/10/2007 |
| 7239490 | Medium voltage vacuum circuit interrupter An encapsulated medium voltage vacuum circuit interrupter includes a line terminal, a load terminal, a vacuum interrupter, an operating mechanism and an elongated, insulated, generally cylindrical encapsulating housing. The vacuum interrupter includes a vacuum envel... | 07/03/2007 |
| 7239039 | Electronic switching module The present invention relates to an electronic switching module that can directly be mounted without any modifications, instead of the electromagnetic DC relays used in various vehicles. The electronic switching module (15) consists of a plastic casing (1 | 07/03/2007 |
| 7234842 | Replaceable LED socket torch and lighting head assembly A replaceable lighting head assembly comprised of a high output LED (Light Emitting Diode) socket torch package, vertically aligned thermal heat sink, and electrical connector coupled with a secondary housing unit that conducts heat received from the heat sink to th... | 06/26/2007 |
| 7233866 | Device for the management of electrical sockets A device for the management of electrical sockets connected to a branch of an AC electrical network includes a monitor circuit arranged to detect a presence or absence of a load connected to one of the sockets, and a voltage level management circuit connected to the... | 06/19/2007 |
