216 results about "Energy intensity" patented technology

A method of treating tissue within a body includes directing an ultrasound transducer having a plurality of transducer elements towards target body tissue, and delivering ultrasound energy towards the target tissue from the transducer elements such that an energy intensity at the target tissue is at or above a prescribed treatment level, while an energy intensity at tissue to be protected in the ultrasound energy path of the transducer elements is at or below a prescribed safety level.

A modular, scalable and configurable incoherent light source is provided. The light source includes an array of lighting modules supported on a frame that focuses emitted radiation from the modules at a region of interest. The geometry and physical configuration of the support structures, including the frame, may accommodate various energy intensities at various distances. The modules may be made up of multiple LEDs or other individual light sources, may be of different or the same wavelength, and may be individually controllable for the ultimate lighting application. The light source may be used in medical imaging applications.

A camera includes a set of sensing elements. Each sensing element is arranged at an image plane in an energy field to measure a magnitude and sign of a local gradient of the energy field. Each sensing element includes at least two energy intensity sensors. Each energy sensor measures a local intensity of the energy field. Logarithms of the intensities are subtracted from each other to obtain the magnitude and sign of the gradients. A Poisson equation is solved using the gradients to obtain an output image of the energy field.

A fingerprint reader includes a display screen composed of an array of energy emitting pixels covered by a transparent cover, at least one sensor coupled along an edge of the display screen, a display driver directing the array of en erg emitting pixels of the display screen to illuminate in a predetermined sequence, and a microprocessor in communication with the display driver and the at least one sensor. The microprocessor knows the location of the energy emitting pixel being illuminated and the specific time at which the illumination occurs. In use, and when at least one finger is placed on the transparent cover and the display driver is activate energy from each energy emitting pixel sequentially illuminated is reflected off the fingerprint to the at least one sensor. The energy received at the at least one sensor is at different intensity levels depending upon the ridges and valleys of the at least one fingerprint. The at least one sensor sends a signal to the microprocessor regarding the energy intensity level, from which the microprocessor creates a fingerprint image as the energy emit emitting pixels are sequentially illuminated.

The invention relates to a laser gas analyzer and a calibration method; wherein, the laser gas analyzer comprises a light source radiation unit used for generating semiconductor laser beams, a spectroscopy unit which respectively transmits the generated laser beams to a reference cell which is internally encapsulated by zero gas and gas to be measured with known consistency and a measurement cell where the gas to be measured is pumped into during the measurement process and the zero gas and end gas are respectively pump into during the calibration process, a reference detector which is used for obtaining the energy intensity of the laser beam which passes through the reference cell and positioning the absorption peak wavelength of the gas spectrum, and a measurement detector which is used for measuring the energy intensity of the laser beam which passes through the measurement cell and determining the gas consistency during the measurement process; and the calibration method combines the energy signals of the laser beams obtained by the two detectors with a specific arithmetic to carry out zero calibration and end calibration on the instrument. The laser gas analyzer has the advantages of wide application range, simple calibration operation process, saving time, reducing the production cost and usage cost and the like owning to the characteristics of sealed laser passage and multi-optical passages.

An inkjet recording apparatus includes: an inkjet head that ejects an active energy-curable ink to form an image on a recording medium; an irradiating unit that includes a light source, and that irradiates an active energy ray from the light source to cure the active energy-curable ink ejected by the inkjet head; an energy intensity measuring unit that measures an intensity value of the active energy ray irradiated on the recording medium; and an irradiation condition control unit that controls an irradiation condition of the active energy ray on the recording medium on the basis of the intensity value measured by the energy intensity measuring unit after a passing of time to the extent of allowing the temperature of the irradiating unit to be stabilized at the start-up from lighting or rest of the irradiating unit.

A display apparatus includes an enhanced sealing portion. The display apparatus includes a substrate unit that includes a first substrate and a second substrate facing each other; a sealing portion that is disposed between the first substrate and the second substrate; and a metal film that is disposed between the first substrate and the sealing portion. Open holes having different sizes are formed in proportion to energy intensities of an energy source applied to the metal film. During sealing in a sealing region by using a laser, since the metal film having a specific shape is patterned, even when energy having an irregular Gaussian shape is applied, uniform energy may be applied to the sealing portion. Accordingly, an adhesive force in the sealing region may be increased.

The invention discloses a condensation electric arc welding gun, which belongs to the technical field of welding equipment. A tungsten electrode is closely embedded in the center of an electrode holder; the electrode holder is sleeved in the center of a main connector through thread; the root part of the electrode holder is mutually engaged with the main connector by using an inclined surface, so that water cooling effect to the electrode and no leakage are guaranteed; a ceramic nozzle is sleeved on the periphery of the main connector through threaded connection; a protective gas laminar flow screen is a stainless steel wire net which is fixed on the other end face of the main connector through an O-shaped steel wire spring, so that protective gas forms laminar flow; a water outlet pipe, a water inlet bushing or a gas inlet bushing is provided with a cable connecting end; the water inlet bushing is coaxially sleeved outside a water outlet straight pipe; and the gas inlet bushing is sleeved outside the water inlet bushing, a water inlet passage is remained in the middle of the gas inlet bushing and the water inlet bushing, and the gas inlet bushing and the water inlet bushing are welded on the same end face of the main connector to form a water cooling passage and a gas protection passage. Apart from the ceramic nozzle, all the remaining materials are conductors. According to the condensation electric arc welding gun, the free electric arc energy intensity can be improved, and better capacity of controlling welding joint formation is achieved.

The invention discloses a three-dimensional digital imaging method based on generalized S transformation. The method includes the steps that encoding is carried out on structured light to generate a sine gray scale fringe pattern, an original gray scale fringe pattern in a single field of view and a deformational gray scale fringe pattern modulated by object depth information are obtained by a video camera; generalized S transformation based on energy intensity optimization and an encircled energy principle is carried out, and the fundamental component of the gray scale fringe pattern is calculated based on a filtering method; Fourier inversion is carried out on the fundamental component, and then a wrapping phase of the deformational gray scale fringe pattern is obtained by obtaining phase angles; phase unwrapping is carried out on the wrapping phase and the phase difference between the original gray scale fringe pattern and the deformational gray scale fringe pattern is obtained according to an unwrapping result of the phase; three-dimensional coordinates of each point of an object to be imaged are calculated based on the Fourier transform profilometry measurement principle and the phase difference. The three-dimensional digital imaging method has the advantages of being high in accuracy, wide in adaptability and capable of being widely applied to the fields of three-dimensional digital imaging and optical three-dimensional reconstruction.

The invention belongs to a moving target positioning method, in particular to a method for carrying out the target positioning by utilizing the wireless energy intensity. The method can overcome the problem that the position of the moving node to be measured can not be accurately obtained in the prior art. The technical proposal provided by the invention is as follows: the method for carrying out the target positioning by utilizing the wireless energy intensity is defined as follows: the moving node can change the power of the transmitted wireless energy through the program controlled mode during the moving process in an application system with the RSSI technology, the method adopts a plurality of transmitting power rotation transmitting modes to allow receivers at various fixed nodes to obtain a plurality of sets of energy intensity values, and the positioning is carried out by obtaining a great amount of distance information according to the relationship between the signal intensities and the distances. Compared with the prior art, the method has the advantages that: 1. the realization is convenient; 2. the reliability of a positioning system is improved; 3. the positioning precision and the tracking precision are improved; 4. and the range of applications is wide.

An optical fiber (100) utilized as a sensor for measuring a parameter of interest 122 such as temperature, strain, photonic energy intensity, electric field intensity and magnetic field intensity is provided. A first optical cladding layer (104) is disposed on an optically transmissive core (102) that includes one or more optical gratings (114-1). The optical grating(s) (114-1) modifies a propagation path of selected wavelengths of light propagating through the core (102). The optical grating(s) (114-1) also varies the index of refraction of the first optical cladding layer (104). The selected wavelengths of light are determined in part by the index of refraction of the core material 105 as dependent upon a parameter of interest 122 applied to the core material 105 and as varied by the optical grating(s) (114-1). One or more detectors (410, 430, 450, 455) are used for determining the properties of the reflected and/or transmitted light. Knowing the properties of the reflected and/or transmitted light, a parameter of interest 122 can be determined.

The present invention provides a surface-modified porous metal implant and a preparation method thereof. The porous metal implant has a structural hole, and the preparation method comprises a step of micro-arc oxidation by using a plurality of power sources for power supply. The power sources comprise a first power source and a second power source. The step of micro-arc oxidation comprises connecting a first anode connector of the porous metal implant with an anode of the first power source; arranging a connection cathode in the structural hole and connecting the connection cathode with a cathode of the first power source; connecting a second anode connector of the porous metal implant with an anode of the second power source; connecting an electrolytic bath with a cathode of the second power source; and immersing the porous metal implant into a bath solution and using the first power source and the second power source for power supply to carry out micro-arc oxidation treatment. The first power source and the second power source are controlled in a mutually independent manner. With power supply by the multiple power sources, an electric field intensity difference and an electric field energy intensity difference between the inner wall and the outer wall of the structural hole can be reduced, thereby obtaining an in-situ growth film with a good quality.

An apparatus and method for separating a nonmetallic substrate is disclosed as including a first beam; a first quenching device positioned so that a coolant stream may be applied to the substrate at or immediately adjacent to the trailing end of the first spot; a second beam; and a second quenching device positioned between the first quenching device and the second beam. At least one of an angle at which the first scribe beam impinges on the substrate and an energy intensity of the first scribe beam impinging on the substrate are adjusted to obtain right angle separation. A crack sensor and controller can also be provided for measuring a position of the cut line, comparing the position with a reference position and adjusting the power intensity of the second beam based on the comparison of the position of the cut line with the reference position.

The invention discloses an orthogonal polarization fiber bragg grating vector torsion sensing device and a detection method thereof. The torsion sensing device comprises a vertical cavity surface emitting laser (VCSEL) light source, a polarization processing unit, a sensing probe, a orthogonal polarization demodulation processing unit and an optical fiber circulator/coupler, and the polarization processing unit, the sensing probe and the orthogonal polarization demodulation processing unit are connected through the optical fiber circulator/coupler. The detection method of the torsion sensing device includes that a polarization maintaining optical fiber bragg grating is used as a sensing unit, two groups of mutually orthogonal polarization state energy intensity messages are simultaneously obtained through an orthogonal polarization vector demodulation unit, and accurate measurement of torsion angles and directions can be achieved through a vector analysis module. The torsion sensing device uses a full optical fiber structure so that the torsion sensing device has the advantages of being high in integration level, good in stability, compact in structure, high in sensitivity, low in costs, easy to network and capable of achieving functions of temperature changing self-calibration and light source shaking inhibiting.

The application provides a near-infrared narrow-band filter and a manufacturing method thereof. The filter comprises a substrate, a narrow-band pass film system arranged at a first side of the substrate, and a broadband pass film system or long-wave pass film system. The broadband pass film system is arranged at a second side, being opposite to the first side, of the substrate; the pass band of the broadband pass film system is wider than that of the narrow-band pass film system; the long-wave pass film system is arranged at the second side, being opposite to the first side, of the substrate;and the pass band of the long-wave pass film system is wider than that of the narrow-band pass film system. The narrow-band pass film system includes a high refractive index layer having the refractive index being larger than 3 within a wavelength range of 780 to 3000nm and a low refractive index layer having the refractive index being less than 3. The reflected color of the near-infrared narrow-band filter meets the following relationships in the CIE xyz coordinate system: x is less than 0.509, y is less than 0.363, and z is less than 50%. Therefore, the near-infrared narrow-band filter having advantages of diversified reflection colors, low reflection energy intensity, and low reflection color brightness can be obtained; and application demands of the under-screen device and vehicle-mounted device in the full screen of the mobile phone can be satisfied.

This invention relates to one multi-channel laser trigger vacuum section flash switch, which is characterized by adding high voltage between anode and cathode, wherein, the fix impulse laser with wavelength of 532nm sends out laser beam to focus onto level anode and cathode two ends parallel laser line or one band onto insulation medium surface; the insulation medium surface laser energy intensity for 1-5mJ/mm2 to lead insulation medium surface flash to connect circuit.

A light scattering type particle detector includes a light having a low-energy intensity emitted from a light sources which is converted into light having a high-energy intensity so as to detect fine particles. In the light scattering type particle detector, particles contained in fluid are irradiated with light Lb, and scattered light Ls generated by the particles is received so as to detect the presence of the particles. The light Lb is obtained by converting light La having a wavelength of λ emitted from a light-emitting diode into light having a wavelength of λ/2 after being transmitted through a nonlinear optical crystal. The light Lb having a wavelength of λ/2 is allowed to reciprocate between a reflecting film of the nonlinear optical crystal and a reflecting mirror so as to be intensified.

A system includes an energy-discriminating, photon-counting X-ray detector, comprising a plurality of detector cells providing measurements corresponding to at least two energy bins and being adapted to produce projection data in response to X-ray photons that reach the X-ray detector and to produce an electrical signal having a recorded count for the energy bins and a total energy intensity. The system also includes data processing circuitry adapted to receive the electrical signal from one or more of the plurality of detector cells, to generate a simulated count rate for each of the energy bins by using the total energy intensity in a detector pile-up model, to determine a set of energy intensity dependent material decomposition vectors, and, for the projection data measured by one or more of the plurality of detector cells, to perform material decomposition by modeling the simulated count rate for each of the energy bins and utilizing a material decomposition vector selected from the set of energy intensity dependent material decomposition vectors and corresponding to the measured energy intensity from one or more of the plurality of detector cells.

An environment recognition system using vehicular millimeter wave radar includes a millimeter wave radar device detecting obstructions outside a vehicle and transforming detection results into reflection information. An energy intensity calculation device, an anti-noise calculation device, and an obstruction width calculation device are signally connected with the millimeter wave radar device to receive the reflection information, respectively calculate energy intensity information, signal-to-noise ratios and width information of the obstructions and transmit them to a control device. The control device integrates the energy intensity information, the signal-to-noise ratios and the width information to recognize types of the obstructions. The present invention can effectively recognize various obstructions outside the vehicle whereby the vehicle immediately reacts like performing a corresponding safety anti-collision system when detecting pedestrians.

An apparatus and method for separating a nonmetallic substrate is disclosed as including a first beam; a first quenching device positioned so that a coolant stream may be applied to the substrate at or immediately adjacent to the trailing end of the first spot; a second beam; and a second quenching device positioned between the first quenching device and the second beam. At least one of an angle at which the first scribe beam impinges on the substrate and an energy intensity of the first scribe beam impinging on the substrate are adjusted to obtain right angle separation. A crack sensor and controller can also be provided for measuring a position of the cut line, comparing the position with a reference position and adjusting the power intensity of the second beam based on the comparison of the position of the cut line with the reference position.