18011results about How to "Increase power" patented technology

A phacoemulsification system includes a phacoemulsification handpiece including a cutting tip ultrasonically vibrated by an ultrasonic transducer. A power supply is provided for driving the ultrasonic transducer at a resonant frequency of the transducer and cutting tip and varying power to the transducer, in response to loading of the cutting tip, by phase shifting drive signals to the resonant converter which supplies power to the transducer.

An actively controlled rotary steerable drilling system for directional drilling of wells having a tool collar rotated by a drill string during well drilling. A bit shaft has an upper portion within the tool collar and a lower end extending from the collar and supporting a drill bit. The bit shaft is omni-directionally pivotally supported intermediate its upper and lower ends by a universal joint within the collar and is rotatably driven by the collar. To achieve controlled steering of the rotating drill bit, orientation of the bit shaft relative to the tool collar is sensed and the bit shaft is maintained geostationary and selectively axially inclined relative to the tool collar during drill string rotation by rotating it about the universal joint by an offsetting mandrel that is rotated counter to collar rotation and at the same frequency of rotation. An electric motor provides rotation to the offsetting mandrel with respect to the tool collar and is servo-controlled by signal input from position sensing elements such as magnetometers, gyroscopic sensors, and accelerometers which provide real time position signals to the motor control. In addition, when necessary, a brake is used to maintain the offsetting mandrel and the bit shaft axis geostationary. Alternatively, a turbine is connected to the offsetting mandrel to provide rotation to the offsetting mandrel with respect to the tool collar and a brake is used to servo-control the turbine by signal input from position sensors.

A method and system for efficiently managing power consumption in a mobile device controls power consumption with an adjustable sleep period or listening interval that may be user-specified and automatically tuned based on recent detected usage. With an adjustable sleep period, a receiver conserves power by leaving a sleep mode only at predefined and adjustable periods, which may be selected by the user to balance connectivity and power saving and which may be automatically incremented when the device activity is low.

The ability of an ultrasonic system to sweep and lock onto a resonance frequency of a blade subjected to a heavy load at startup is improved by applying a high drive voltage or a high drive current while systematically increasing the level of the applied signal. Increasing the drive signal to the hand piece results in an improved and more pronounced “impedance spectrum.” That is, under load, the increased drive signal causes the maximum phase margin to become higher and the minimum/maximum impedance magnitude to become more pronounced. Increasing the excitation drive signal to the hand piece/blade at startup significantly alleviates the limiting factors associated with ultrasonic generators, which results in an increase of the maximum load capability at startup.

Techniques for wireless power transmission at levels that induce high power transfer and/or high efficiency of coupling.

A monolithic, multi-bandgap, tandem solar photovoltaic converter has at least one, and preferably at least two, subcells grown lattice-matched on a substrate with a bandgap in medium to high energy portions of the solar spectrum and at least one subcell grown lattice-mismatched to the substrate with a bandgap in the low energy portion of the solar spectrum, for example, about 1 eV.

A phosphor screen for image forming including phosphor material being excitable by light in a wavelength λ1. The phosphor screen receives an optical image from an image forming optical system and produces the optical image at a second wavelength λ2. The phosphor screen includes a phosphor layer comprising the phosphor material. A short-pass reflective coating is positioned on a first side of the phosphor layer. The short-pass reflective coating transmits the wavelength λ1 and reflects the wavelength λ2. A long-pass reflective coating is positioned on a second side of the phosphor layer. The long-pass reflective coating transmits the wavelength λ2 and reflects the wavelength λ1. A first substrate is positioned over the short-pass reflective coating. The first substrate is formed of optically clear and thermal conductive material. A second substrate is positioned over the long-pass reflective coating. The second substrate is formed of long-pass absorptive optical filter material that transmits the wavelength λ2 and absorbs wavelength λ1 from ambient light to prevent the phosphor layer from being excited by the ambient light. The phosphor screen may alternatively be used for a direct-view visual display apparatus. These principles can also be utilized for backlighting and general illumination applications.

A communication apparatus and a communication method realizing highly amusing features and merchantability. A face image of the sender of a text message changes according to the contents of the message, especially symbols, marks and the like which indicate an emotional state in the message. Thereby, an image suitable for each symbol, mark or the like which indicates an emotional state in the text message is selectively displayed on a screen. Thus, the user of a communication apparatus can immediately understand sender's feeling without reading all the text message.

A method and system for providing incentive programs over a computer network is provided in which a host may provide sponsoring companies with the capability to buy prepackaged or self-built incentive programs, offer such incentive programs to consumers, provide sponsoring companies and retailers with the capability to associate prizes with incentive programs, provide sponsoring companies, retailers and consumers with convenient fulfillment of prizes, and store and manipulate databases regarding all of the foregoing.

Systems and methods are described for scoring consumers' credit risk by determining consumers' income risk and future ability to pay. Methods are provided for measuring consumers' income risk by analyzing consumers' income loss risk, income reduction risk, probability of continuance of income, and economy's impact on consumers' income. In one embodiment, a method is provided to evaluate an individual's creditworthiness using income risk based credit score thereby providing creditors, lenders, marketers, and companies with deeper, new insights into consumer's credit risk and repayment potential. By predicting consumers' income risk and the associated creditworthiness the present invention increases the accuracy and reliability of consumers' credit risk assessments, results in more predictive and precise consumer credit scoring, and offers a new method of rendering a forward-looking appraisal of an individual's ability to repay a debt or the ability to pay for products and services.

A system and method is provided for enabling an electronic device to efficiently access information content. A server browser accesses the information content over a network. The accessed information content is retrieved and adapted for presentation for the electronic device. A serializer dynamically formats the adapted information content according to a client browser. The client browser receives and presents the information content on the electronic device. An event translator is included to provide additional compatibility with commercially available client browsers.

A magnetic stripe card manual swipe reader (MSR) unit capable of attaching to and communicating with a conventional personal digital assistant (PDA) from various manufacturers, using only the electrical power available as supplied by the PDA device, and capable of effective electrical power management and conservation operations. Additionally, this PDA attachable MSR unit is capable of recognizing multiple magnetic encoding formats and data record formats and converting said formats to a standardized output format, includes the capability of updating and adding new formats while in field service, and is readily allows verifying card data and encoding sensitive material prior to transmission to the PDA. These custom formats can then be used to fulfill current needs in age verification, law enforcement, security, and numerous other applications.

An apparatus for transmitting power wirelessly is provided. The apparatus comprises: a dielectric resonator which generates evanescent waves in a predetermined direction in order to transmit power; and a loop antenna which is coupled to a surface of the dielectric resonator and supplies power to the dielectric resonator. The dielectric resonator transmits power by means of evanescent waves generated in directions perpendicular to top and bottom surfaces of the dielectric resonator and by radiation in directions parallel to the top and bottom surfaces of the dielectric resonator. Accordingly, efficient power transmission over short and long distance ranges is possible.

A high-intensity light source is formed by a micro array of a semiconductor light source such as a LEDs, laser diodes, or VCSEL placed densely on a liquid or gas cooled thermally conductive substrate. The semiconductor devices are typically attached by a joining process to electrically conductive patterns on the substrate, and driven by a microprocessor controlled power supply. An optic element is placed over the micro array to achieve improved directionality, intensity, and/or spectral purity of the output beam. The light module may be used for such processes as, for example, fluorescence, inspection and measurement, photopolymerzation, ionization, sterilization, debris removal, and other photochemical processes.

This invention provides an imaging optical lens assembly including: in order from an object side toward an image side: a first lens with positive refractive power and having a convex object-side surface, a second lens with negative refractive power and having a convex object-side surface and a concave image-side surface, a third lens with positive refractive power and having a concave object-side surface and a convex image-side surface, a fourth lens with negative refractive power and having a concave image-side surface, the object-side and image-side surfaces being aspheric, and a fifth lens having a concave image-side surface, the object-side and image-side surfaces being aspheric. The imaging optical lens assembly further comprises an aperture stop, disposed between an imaged object and the second lens, and an electronic sensor, disposed at the image plane for image formation.

In some embodiments, a first device may be provided. The first device may include a first lens that comprises a contact lens or an intraocular lens. The first lens may include an electronic component and a dynamic optic, where the dynamic optic is configured to provide a first optical add power and a second optical add power, where the first and the second optical add powers are different. The dynamic optic may comprise a fluid lens.

A hearing aid system adapted for establishing a conversation group with other hearing aid systems used by different users, comprises a hearing aid (1, 2, 3, 4, 5) with an associated relay device (11, 12, 13, 14, 15). The relay device is (11, 12, 13, 14, 15) adapted for wireless communication (21, 22, 23, 24, 25) with said hearing aid and for wireless communication (31, 32, 33, 34, 35) with a second hearing aid system. The relay device (11, 12, 13, 14, 15) is also adapted for receiving and displaying information about said second hearing aid systems being available for participation in said conversation group, and it comprises means for selection of said other hearing aid systems for inclusion into the conversation group. The invention further provides a method for establishing a conversation group among hearing aid users.

In the systems and methods of the present invention a multifocal multiphoton imaging system has a signal to noise ratio (SNR) that is reduced by over an order of magnitude at imaging depth equal to twice the mean free path scattering length of the specimen. An MMM system based on an area detector such as a multianode photomultiplier tube (MAPMT) that is optimized for high-speed tissue imaging. The specimen is raster-scanned with an array of excitation light beams. The emission photons from the array of excitation foci are collected simultaneously by a MAPMT and the signals from each anode are detected using high sensitivity, low noise single photon counting circuits. An image is formed by the temporal encoding of the integrated signal with a raster scanning pattern. A deconvolution procedure taking account of the spatial distribution and the raster temporal encoding of collected photons can be used to improve decay coefficient. We demonstrate MAPMT-based MMM can provide significantly better contrast than CCD-based existing systems.

Opto-electrical systems having electrical and optical interconnections formed in thin layers are disclosed. In one set of preferred embodiments, optical signals are conveyed between layers by respective vertical optical couplers disposed on the layers. In other preferred embodiments, optical signals are conveyed by stack optical waveguide coupling means. Yet other preferred embodiments have electrical via means formed in one or more layers to covey electrical signals between two or more layers.