2115 results about "Power component" patented technology

A fully implantable nerve stimulation system includes an event-triggered, closed-loop control unit that detects physiological events from nerve signals and delivers stimulation pulses to a nerve to produce a desired physiological response. The stimulation system includes a low-noise, low-power nerve signal amplifier, accelerometers that detect position and a battery powered processor that selectively powers components in the system to detect physiological events and deliver stimulation pulses with a minimum of battery power.

A method includes providing a source resonator including a first conductive loop in parallel with a first capacitive element and in series with a first adjustable element the source resonator having a source target impedance, providing a plurality of device resonators each including a conductive loop and having a device target impedance, connecting, for each of the plurality of device resonators, a resistor corresponding to the device target impedance in series with the conductive loop of each of the plurality of device resonators, connecting a network analyzer in series with the first conductive loop and adjusting at least one of the first capacitive element and the first adjustable element until a measured impedance of the source resonator is within a predetermined range of the source target impedance.

Described herein are improved configurations for a wireless power transfer. The parameters of components of resonators in a system are calculated and adjusted. Some adjustments are performed using a temporary matching resistor chosen to simulate the loading of at least one additional resonator.

The invention describes a welding device (1) or a current source (2), with a control system (4), preferably comprising a microprocessor controller with a memory unit, a power component (3), in particular a current-inverting source, and additional components such as a welding torch (10), a wire feed device (11), etc., which are connected to the welding device (1) or the current source (2) via appropriate interfaces. An add-on module (27) is connected to the control system (4) or to the current source (2) for identifying a person by means of biometric physical characteristics such as an electronic fingerprint, voice recognition, iris recognition, recognition of a facial shape, recognition of writing, etc. or alternatively a transponder code via a transponder system.

A method, programmed medium and system are disclosed which provide for user-controlled management of power requirements for mobile devices. The system dynamically adjusts power settings according to goals set by the end user. The end user specifies a time-to-live goal in hours, minutes or a predetermined date / time and the power management function continuously monitors and adjusts power components to meet that goal.

A luminaire that uses Light Emitting Diodes as a light source, and which is intended to be securely mounted outdoors on a pole or arm of widely varying diameter. The luminaire is modular, in the sense that a major component may be removed, repaired and / or replaced for maintenance or for upgrade purposes, without tools, and without modification to any other component in the luminaire. The luminaire's main component is a light engine comprised of Light Emitting Diodes mounted to a thermally conductive circuit board, which in turn is mounted to a thermally dissipative heat sink which resides on the outside of the luminaire. The thermally dissipative heat sink is specifically constructed to take full advantage of horizontal surface winds at the recommended mounting height of the luminaire, to aid in the dissipation of heat created by the Light Emitting Diodes and power components. The Light Engine is mounted in a housing facing downward, with respect to light output, directly over an aperture, or hole in the lower housing, whereby one of several different lenses may be placed to provide a desired photometric output. This structure and method of manufacture allows for use of almost any LED technology that exists, as well as those in the emergent and conceptual stages.

An inductive wireless power transfer system comprises a transmitter configured to generate an electromagnetic field to a coupling region for providing energy transfer to a wireless power receiving apparatus. The transmitter includes control logic configured to determine a power component of the transmitter, and determine a presence of a foreign object within the coupling region in response to a comparison of the power component and a desired threshold for the power component. Related inductive methods for detecting a foreign object in an inductive wireless power transfer coupling region of an inductive wireless power transfer system and operating a sleep mode of a wireless power transmitter are disclosed.

A method and apparatus of powering components on a network by using a load-share technique and by using over-voltage and current-limiting circuitry. The power subsystem for a component in a network is designed in a load-share manner whereby the power subsystem will supply power to the network bus and to the component load. Under normal operation of the power subsystem, the load will be powered directly from the power subsystem. In the event of a failure, the load will immediately pull power from the bus and thereby maintain network operation. The power subsystem and the power supply are protected from disruptions due to voltage or current surges. Further, the power subsystem is in compliance with the IEEE 1394 specifications in terms of recommended current levels and galvanic isolation of the power sources.

An apparatus and system for performing dental hygiene comprising a motorized cleaning device comprising a water intake component and an oppositely positioned water exit component; a power component operatively connected to the motorized cleaning device; a floss component attached to the water exit component; a reservoir component operatively connected to the motorized cleaning device; and an aqueduct component attached to the reservoir component, wherein the aqueduct component traverses the motorized cleaning device, wherein the aqueduct component is positioned to direct pressurized water onto the floss component, and wherein the aqueduct component comprises a first end attached to the reservoir component; and a second end that contacts the water intake component of the motorized cleaning device.

In a method for managing power consumption among compute nodes having respective power components, an increase in the power utilization of a first compute node of the compute nodes may be detected. In response to a detected increase, a sum of the power consumption levels of the compute nodes and the requested increase in power utilization of the first compute node is compared with an allowable power budget for a compute node pool. In addition, the power state of the first compute node power component is varied in response to the comparison.

An electrical power system for a spacecraft or other vehicle or structure comprising a structural member containing an integrated solid-state power source is disclosed. The power source includes a solar cell system and an energy storage system that are combined into a single unit or package, and in certain embodiments, are configured into the shape of a flexible aerobot balloon or a rigid nanosat surface panel. The power components of a preferred lightweight power unit, include thinly layered photovoltaic cells, a rechargeable lithium solid polymer electrolyte battery, a capacitor, electronics and thermal management capability.

An electrical monitoring device includes an attachment arrangement adapted to attach the device, non-invasively, to an electrical supply line; a current sensor adapted to sense waveform characteristics relating to current flowing through the supply line; a voltage sensor adapted to sense voltage waveform characteristics of the supply line; and a processor programmed to calculate a power component using the current waveform characteristics and voltage waveform characteristics. The device also includes a wireless transmitter configured to transmit the power component to a monitoring location.

A power system is provided for robotic systems such as dynamically balancing robots, including inverted pendulum robots, robots that balance on two legs, and dynamically balancing robotic personal vehicles. Under normal operation, the power system provides operating power from a power source such as an internal battery system or an external AC power supply. The power system includes an energy storage device, such as an ultracapacitor assembly, that can provide emergency power sufficient to power components of the robotic system to a stable shutdown configuration in the event of a deleterious power event.

A mobile robot has a predetermined size of large, medium, small or back-packable. The mobile robot includes a chassis, drive system components, power components, a main processor, a communication system and a power and data distribution system. The chassis has a predetermined size of large, medium, small or back-packable. Drive system components are operably attached to the chassis and power components are operably connected to the drive system components and the power and data distribution system. Each drive system component has a predetermined size that is compatible with the chassis. The main processor, the communication system and the power and data distribution system are all operably connected together and operably connected to the traction components and the power components. The main processor, the communication system, and the power and data distribution system are all compatible with the predetermined size of the chassis and at least one other size.

A microstimulator or neural prosthesis is powered and operative in response to an externally applied RF signal which includes a power component and control component. A slow rise time storage circuit stores RF power during a charging period and a fast rise time triggering circuit responsive to a fast rise time input triggers the device for producing output pulses following a selected delay time. The duration of the delay controls the current level of the output pulses.

An automated custom power supply design system uses an expert system containing a set of rules, including manufacturing limitations to limit design choices and ensure feasibility and manufacturability of the design. A design interface collects specifications from a user. A complement of power components for satisfying the electrical specifications is defined and mechanical specifications for each component are provided by the system for use in creating the mechanical design. After the mechanical design is established a thermal analysis is performed and the completed design is returned to a host computer. After an order is received, a computer integrated manufacturing system generates all of the specifications required to manufacture the components for the system and the system.

A method and apparatus for a base station including an antenna array calculates a direction of a weight vector of a transmission beam to maximize in-phase component power for a common channel signal in a transmission channel signal for transmission to a mobile station and to minimize a sum of quadrature-phase power component and interference power for other mobile stations inside and outside a cell due to a transmission channel signal for the mobile station.

A portable cooled merchandising unit including a product container assembly, a door assembly, a cooling assembly, a customer enticement device, and a power unit. The product container assembly defines an interior region for containing products. The cooling assembly is connected to the product container assembly and includes a powered cooling device to cool the interior region. The enticement device is adapted to encourage customer interest in the merchandising unit and includes a powered component. The power unit includes a power supply electrically connectable to an external power source, with each of the powered cooling device and the power component of the enticement device being electrically coupled to the power supply. With this configuration, the common power supply serves to power both the cooling assembly as well as the customer enticement device. In some embodiments, the cooling assembly includes a thermoelectric device.

A compact, inexpensive, real-time device for computing dense stereo range and motion field images, which are fundamental measurements supporting a wide range of computer vision systems that interact with the real world, where objects move through three-dimensional space includes a novel algorithm for image-to-image comparison that requires less storage and fewer operations than other algorithms. A combination of standard, low-cost and low-power components are programmed to perform algorithm and performs realtime stereo and motion analysis on passive video images, including image capture, digitization, stereo and / or motion processing, and transmission of results.

A three phase full resonant cyclo-converter suitable for converting a three phase AC supply to a DC output. In one embodiment the cycloconverter controls switching frequency to control converter output and adjusts phase on times for power factor correction. A switching sequence is employed which provides resonant switching to reduce losses and component ratings. The converter provides high conversion efficiency with a simple power component design.

A multiple group variable focal length lens is provided. The lens has a first lens group including a variable power lens element and is positioned in a stationary manner along an optical axis. The lens also has a second lens group moveably positioned along the optical axis. The variable power lens element can be an electrically controllable liquid lens having a surface with a variable radius of curvature created by two liquids having distinct indices of refraction with one of the liquids having an index of refraction greater than 1.60. Alternatively or additionally, at least one of the liquids used in the liquid lens can include nanoscale particles.

The light output intensity of incandescent lamps and LEDs connected to a common lamp power bus are controlled using a composite waveform having two power components: a pulse-width modulated (PWM) component and a direct current DC component. The DC component is maintained below the turn-on voltage for the LEDs. The PWM component controls the light intensity of the LEDs; and the DC component is calculated as a quadrature power series, taking into account that the PWM component contributes to the light intensity of the incandescent lamps. The frequency and slew rate of the PWM component are selected to minimize EMI. A small steady state power component is provided to keep the LEDs slightly turned on to minimize EMI.

The invention discloses a drive control method for an all-electric car. The drive control method aim at solving the problems that division of working modes during a finished automobile driving running is not considered, a torque compensation function is not considered in the running process of other vehicles except flooring of an accelerator pedal, and united efficiency of a power component is not considered in goal torque setting. The drive control method for the all-electric car comprises the steps of utilizing a finished automobile controller to automatically identify a finished automobile working mode according to current finished automobile acceleration mean values and an acceleration mean square errors, and enabling the finished automobile working mode to be one of a common mode, a power mode and an economic mode; working out an expected torque Treq under the corresponding mode according to a goal working mode control strategy in the finished automobile controller after the working mode identification is finished; restraining and correcting the expected torque Treq according to a power limiting value strategy in the finished automobile controller after the expected torque Treq under the goal working mode is obtained, and if a finished automobile has no major failure at the time, outputting ultimate goal torque commands to a motor.

An electrosurgical generator for supplying electrosurgical energy to tissue includes sensor circuitry configured to measure a voltage phase and a current phase through tissue and a processing device configured to compare the measured voltage and current phase to generate a real power component. The electrosurgical generator also includes a controller configured to regulate output of the electrosurgical generator based on the real power component and / or a predetermined imaginary impedance of tissue.

A power module, having a printed circuit board core, which contains at least one electronic power component embedded in an insulating layer, the core being arranged between two heat dissipation plates wherein each heat dissipation plate has a metal outer layer and a metal inner layer electrically separated from said metal outer layer by a thermally conductive, electrically insulating intermediate layer, and electrode terminals of the at least one power component are guided out from the core via terminal lines, wherein the printed circuit board core on both sides of the insulating layer has a conductor layer, at least one conductor layer is structured at least in portions, and each conductor layer is connected at least in portions via a conductive, metal intermediate layer to a metal inner layer of the heat dissipation plate, contacts run from the structured conductor layer to the electrode terminals of the at least one power component, and at least one power terminal of the at least one power component is connected via a contact, a portion of a structured conductor layer, and the conductive, metal intermediate layer to at least one portion of the metal inner layer of the heat dissipation plate, which forms part of the terminal line to the electrode terminal.