At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Battery equalization circuits for series charging/discharging and
controlling methods thereof
Battery equalization circuits for series charging/discharging and controlling methods thereof are provided. The provided circuit includes a set of...
Adaptive inductive power supply with communication
An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the...
High power RF field effect transistor switching using DC biases
Systems, methods, and apparatus are provided for tuning in wireless power transfer circuits. One aspect of the disclosure provides an apparatus for tuning. The...
Efficient and robust wireless energy transfer
A method or apparatus for wireless transferring energy between a source coil and a drain coil, comprises selling an initial resonant frequency of the source...
Mobile micro-grid power system controller and method
Methods and control apparatus are presented for controlling supply of electrical power to a micro-grid power system, in which a master controller automatically...
Generator management system that determines a time to activate and
deactivate generators based on the load level
Some embodiments relate to a generator management system 10. The generator management system 10 includes a first generator 11 and a second generator 13. A bus...
Multiple renewables site electrical generation and reactive power control
A method of configuring a renewable energy curtailment and control system uses a master controller and a plurality of controllers configured to control a...
Charge/discharge instruction apparatus, charge/discharge instruction
method and charge/discharge instruction...
One embodiment provides a charge/discharge instruction apparatus, including: a charge/discharge instruction unit which instructs a charge/discharge...
Electric power supply system
An alternating-current power line is wired in a building for supplying alternating-current electricity to an electric load. A bidirectional power converter...
Responding to local grid events and distributed grid events
A control system for an energy storage device is coupled to sensors on an electrical grid. The control system is configured to receive a measurement from each...
Converter for connecting multiple AC voltage sources to a utility grid
without first rectifying the AC to a...
Diodes and switching means as well as an autotransformer connect multiple AC sources of variable frequency and voltage to the utility grid, without first...
Power supply attachment
A device that removably attaches to existing power supplies or adapters to provide power to one or more additional electronic devices, while not interfering or...
Enhanced system and method for string-balancing
Apparatuses and methods for configuring and managing solar panels to form strings of photovoltaic energy generators with improved performance and reduced cost....
Distributed power system using direct current power sources
A distributed power system including multiple (DC) batteries each DC battery with positive and negative poles. Multiple power converters are coupled...
An ESD protection circuit comprises a series connection of at least two protection components between a signal line to be protected and a return line (e.g....
Electrostatic protection circuit, display device and electrostatic
An electrostatic protection circuit, a display device and an electrostatic protection method are provided. The electrostatic protection circuit includes a first...
Overvoltage protection circuit
Apparatus and methods for generating an overvoltage signal from a bias winding signal of a power converter transformer are disclosed. In one example, an...
A converter valve unit including a plurality of parallel connected controllable semiconducting elements. A free-wheeling diode is connected in anti-parallel...
Displacement safety system for electrical charging stations
A safety circuit for disconnecting the power feed to an EV (electrical vehicle) charging enclosure or gasoline station fuel pump enclosure in the event that the...
Sensor controlled transistor protection
A circuit for protecting a transistor is disclosed. The circuit includes a temperature sensing device coupled to the transistor and a tunable clamping circuit...
Protection method and device of an electrical network for aircraft
A method for protecting a bipolar power distribution network supplied with power by an electric power source isolated from an electrical ground of an aircraft....
Electrostatic discharge clamp compatible with a fast ramping supply
Described herein is an apparatus and system of an electrostatic discharge circuit. The apparatus comprises: a clamp transistor with a terminal coupled to a node...
System and method to derive power and trip a circuit breaker from an
An electronic trip unit (ETU) configured to trip a circuit breaker using power from an external device is provided. Additionally, a system for enabling an...
Electrical protection and sensing control system
An apparatus for providing electrical protection and reducing power consumption in data centers. In an aspect, an apparatus includes a hot swap control circuit...
Terminal-formed wire and manufacturing method thereof
A terminal-formed wire (1) includes a covered wire (7) obtained by covering an outer circumference of a core wire part (3) including a plurality of element...
Gel sealing device
The present invention relates to a gel sealing device for sealing a passage of elongate parts through an opening. Such gel sealing device is preferably arranged...
Articulated cable protection and guide device
There is provided an articulated cable protection and guide apparatus that can securely and stably guide a large number of cables and can assure durability of...
External mounting of electronic or electrical devices with sealed internal
A connection includes one or more hollow tubular members extending outwardly from an exterior surface of a first member, a first thread provided on an exterior...
The invention relates to a channel system (10) comprising at least one first channel provided with a flat multicore cable and a socket (14) connected thereto,...
Time saver modular electrical switch
A method and apparatus that allows full view of all connections while electrical switches are installed and operating. After the initial or first switch is...
Motor control center subunit having moveable line contacts and method of
A system and method for connecting supply power to motor control components includes use of a motor control center subunit with moveable supply power contacts....
Linear actuating earthing switch
A linear actuating earthing switch configuration that moves movable contacts using linear motion in a single axis. The earthing switch includes a frame with a...
Isolated bolt-on circuit breaker system for an energized panelboard
Methods and systems for minimizing exposure to live parts in a panelboard allow safe insulation and removal of a circuit breaker or other electrical devices...
A spark plug including a center electrode, an insulator, a metal shell, a first ground electrode, and a second ground electrode. The center electrode extends in...
Spark plug having multi-layer sparking component attached to ground
A spark plug having a metal shell, an insulator, a center electrode, a ground electrode, and a multi-layer sparking component. The multi-layer sparking...
Ignition plug and ignition system
An ignition plug that promotes expansion of flame and enhances spark corrosion resistance, said plug includes a center electrode; a tubular insulator holding...
Temperature compensation in an optical transmitter
A device includes an array of optical transmitters having first and second temperature sensors each disposed at or near a first and second end of the array of...
Semiconductor device and manufacturing method of semiconductor device
To provide a semiconductor laser that suppresses end face destruction due to catastrophic optical damage (COD) to a light emission end face and has high output...
Manufacturable laser diode formed on C-plane gallium and nitrogen material
A method for manufacturing a laser diode device includes providing a substrate having a surface region and forming epitaxial material overlying the surface...
Nitride semiconductor quantum cascade laser
A terahertz quantum cascade laser (THz-QCL) element operable at an unexplored frequency is obtained. A crystal of a nitride semiconductor is used to fabricate a...
Multimode vertical cavity surface emitting laser having narrow laser light
The top high refractive index layer of the top DBR mirror has a central region and a peripheral region. The central region has a protrusion that projects...
Laser diode firing system
A laser diode firing circuit for a light detection and ranging device is disclosed. The firing circuit includes a laser diode coupled in series to a transistor,...
Method for mode control in multimode semiconductor waveguide lasers
One embodiment is a wide stripe semiconductor waveguide, which is cleaved at a Talbot length thereof, the wide stripe semiconductor waveguide having facets with...
Semiconductor laser mounting for improved frequency stability
A first contact surface of a semiconductor laser chip can be formed to a target surface roughness selected to have a maximum peak to valley height that is...
Er,Yb:YAB laser system
A laser system, the laser comprising a codoped Er,Yb:YAB gain medium, the gain medium within a resonator cavity. The laser system further comprising a pumping...
Optical pulse compressing based on chirped fiber bragg gratings for pulse
amplification and fiber lasers
Techniques and devices for using a chirped fiber Bragg grating to compress amplified laser pulses.
Monolithic, side pumped solid-state laser and applications thereof
A monolithic, side pumped solid-state laser (1) comprising a laser resonator structure (3) comprised of a laser gain medium (2) having a longitudinal axis (L),...
Attachable and removable protective rugged hood assembly for an electrical
connector and method of use
An attachable and removable protective rugged hood assembly for an electrical connector, including board-mounted electrical connectors. The rugged hood assembly...
Method for protecting terminal-connecting portion of insulated electrical
wire by insert molding
A method for protecting a terminal-connecting portion of an insulated electrical wire by means of insert molding, the terminal-connecting portion being disposed...
Circuit breaker adaptor for plug-in circuit breaker panel
An adaptor (44, 70) mating a non-plug-in type circuit breaker (42) to a bus structure (14, 64) of a plug-in breaker panel (40, 62) includes a first portion (48,...