54results about How to "Increase output strength" patented technology

A quickly deployable and reconfigurable light emitting diode (LED) lighting apparatus with high output intensity and precisely controlled beam property is disclosed for navigational aids. The lighting apparatus comprises an array of high intensity LED units with their light beams individually controlled by secondary optical systems. The transformed light beams mix in a pre-determined manner to produce an illumination pattern with desired intensity distribution. The LED lighting apparatus may further comprise a micro-controller, a plurality of sensor elements, and a wireless transceiver for remote monitoring and control. The lighting apparatus can be powered by rechargeable batteries for temporary or semi-permanent lighting. It can also be powered by standard power lines for permanent lighting.

The invention discloses a multi-wavelength terahertz wave parametric oscillator, which comprises a laser pump cavity and a terahertz wave parametric oscillation cavity, wherein the laser pump cavity consists of a totally reflecting mirror, a one-fourth wave plate, an electro-optical Q-switch device, a polarizer, a pulse laser pump source module, a micropore diaphragm and a laser output mirror; the terahertz wave parametric oscillation cavity comprises two right-angle prism resonance cavities respectively consisting of a right-angle prism, a reflector, a MgO:LiNbO3 crystal arranged between themicropore diaphragm and the laser output mirror, and a plurality of semi-circular output mirrors; and two silicon prism arrays are arranged on the surface of the MgO:LiNbO3 crystal. Pump light oscillating back and forth in the laser pump cavity is vertically transmitted to the MgO:LiNbO3 crystal, and two beams of oscillating Stokes light and two groups of four-beam terahertz waves are generated through excitation in the two right-angle prism resonance cavities, and are transmitted out of the silicon prism arrays. The continuous tunable output of the two groups of four-beam terahertz waves canbe realized, and the output energy is basically equal.

Systems and methods are described for laser array synchronization. A method, includes: master laser injecting a plurality of broad area lasers; and externally cavity coupling the plurality of broad area lasers. A method, includes: master laser injecting a plurality of lasers; and Q switch coupling the plurality of lasers. A method, includes: injection synchronizing a plurality of pulsed lasers using a signal source; modulating the plurality of pulsed lasers using the signal source; and externally coupling the plurality of pulsed lasers. An apparatus, includes: a plurality of broad area lasers; a master injection laser coupled to each of the plurality of broad area lasers; and external cavity coupling optics coupled to each of the plurality of broad area lasers. An apparatus, includes: a plurality of lasers; a master injection laser coupled to each of the plurality of lasers; and Q switch circuitry coupled to each of the plurality of lasers.

A user interface, a method, and a computer program product are provided for enabling a user to voice control over at least one setting of an apparatus such as a lighting system. The user interface determines a characteristic of an audio signal converted from vocal input of a user. A first setting of the apparatus is adjusted proportionally to a variation in the characteristic. Another setting of the apparatus may be adjusted on the basis of another characteristic of the audio signal. As a result, the user interface enables the user to control a lighting system over a substantially large or continuous range of output.

A light source apparatus includes: a light emitter; a pair of electrodes for driving the light emitter; and an external resonant cavity that reflects part of the light emitted from a light-exiting end surface of the light emitter. The light emitter includes an active layer that generates light, an internal resonant cavity, and a diffractive optical layer that diffracts light having a predetermined wavelength. The external resonant cavity includes an external mirror that reflects the light having the predetermined wavelength. The internal resonant cavity, the external resonant cavity, and the diffractive optical layer form a laser resonant cavity that allows the light generated in the active layer to achieve laser oscillation.

An ultrasonic transducer includes: a piezoelectric transducer (1) emitting ultrasonic waves; and a backing layer (4) provided in contact with a back side of the piezoelectric transducer (1) and attenuating ultrasonic waves that are emitted toward the back side of the piezoelectric transducer (1) and have an opposite phase to the phase of ultrasonic waves emitted toward a front side of the piezoelectric transducer (1). The acoustic tubes (5) are disposed in the backing layer (4) such that a longitudinal direction of each acoustic tube (5) is in line with a traveling direction of the ultrasonic waves emitted by the piezoelectric transducer (1) toward the front and the back side. The acoustic tubes (5) have mutually different lengths on the basis of a principle of an acoustic wave synthesis, and attenuate in whole or in part the ultrasonic waves emitted by the piezoelectric transducer (1) toward the backing layer (4).

The present invention provides a small-sized pressure measuring module suitable for replacement of a tire, and a tire pressure monitoring system. The pressure measuring module detects pressure of air within a tire included in a wheel assembly attached to a vehicle body, and wirelessly transmits data on the detected pressure and a module ID of the pressure measuring module to a pressure monitoring device mounted on the vehicle body. The pressure measuring module has an antenna and an identification code. At least a portion of the antenna protrudes to the outside of the wheel assembly from the surface of a wheel included in the wheel assembly through a through-hole communicating with an inner space of the tire. The antenna wirelessly transmits the detected pressure value and the module ID to the pressure monitoring device. The identifier can be viewed from the outside of the wheel assembly and indicates the module ID.

An electronic device is provided. The electronic device includes an optical sensor including a light-receiving module and a light-emitting module, a processor electrically connected to the optical sensor, and a housing including a first region, a second region, and a bendable region connecting the first region and the second region, the housing being disposed such that at least a portion of the optical sensor in the first region is exposed through one surface of the first region, wherein a light transmission region is included in at least a portion of the second region such that light related to sensing by the optical sensor passes through the second region in a state in which the one surface of the first region and one surface of the second region face each other according to bending of the bendable region.

A radiation image sensor comprises an image sensor (1) including a one- or two-dimensional array of photodetector elements (12); needlelike scintillators (2) formed on the photodetector surface of the image sensor (1) and adapted to convert radiation into light of wavelength detectable by the image sensor (1); a protective film (3) formed in close contact over the needlelike scintillators (2); a frame (6) arranged around and away from the scintillators and adapted to fix the protective film onto the image sensor (1); and a radiation-transparent reflector (4) fixed by the frame (6) and opposed to the image sensor across the protective film (3).

This invention constructs a triboelectricity nanometer generator by utilizing a fact that polymeric materials and metal materials have various triboelectricity properties and prepares a detector with functions of detecting the ultrasonic sound and sound wave based on the nanometer generator. When the sound wave or the ultrasonic sound is transmitted to a flexible outer membrane of the detector, the flexible outer membrane or some parts of the flexible outer membrane produce corresponding mechanical vibration to enable the contact state between the flexible outer membrane and a conducting inner core to change correspondingly to drive the nanometer generator to output signals. The ultrasonic sound and sound wave detector can detect the ultrasonic sound or sound wave signals coming from various directions without power supply or charging in advance and utilizes the ultrasonic sound or the wave sound to produce mechanical vibration to realize self-driving. The light and thin flexible outer membrane is adopted, which simplifies the structure of the detector when the detection accuracy is improved, and the ultrasonic sound and sound wave detector has advantages of easy carrying, simple structure, easy usage and saving resources.

Disclosed is a liquid crystal display device capable of performing image display with more adequate white level, during an operation of displaying an image which requires emphasizing white. A backlight illuminator for illuminating a liquid crystal display panel comprises a white light source adapted to generate white light, in addition to a laser source adapted to generate red light, blue light and green light. When an image to be displayed on a liquid crystal display panel requires emphasizing white, white light from the white light source is emitted to a liquid crystal display panel, in addition to red light, blue light and green light from the laser source. This makes it possible to display the image which requires emphasizing white, in the form of an image with more natural image quality.

In the photoelectric encoder of the invention, as a light passing zone PZ of a movable object 21 travels by one pitch P, an output signal OUT2 of a second logical operation unit 26b comes to be delayed in phase by 45° with respect to an output signal OUT1 of a first logical operation unit 26a. Therefore, an output having a resolution two times higher than that of the movable object having a phase difference of 90° can be obtained, where the width of each of light receiving elements 22a-22d is (¼)P. Accordingly, the width of each of the light receiving elements can be made two times larger, compared with the case where the width of each of the light receiving elements is (⅛)P as in conventional optical encoders. Thus, the output strength of the detection signal can be increased, so that the S / N ratio can be improved.

A user interface, a method, and a computer program product are provided for enabling a user to voice control over at least one setting of an apparatus such as a lighting system. The user interface determines a characteristic of an audio signal converted from vocal input of a user. A first setting of the apparatus is adjusted proportionally to a variation in the characteristic. Another setting of the apparatus may be adjusted on the basis of another characteristic of the audio signal. As a result, the user interface enables the user to control a lighting system over a substantially large or continuous range of output.

A laser scanning apparatus is provided with a laser diode that is driven to emit a laser beam, a scanning optical system that scans the laser beam emitted by the laser diode on a surface to be scanned, and a controller that drives the laser diode by supplying electrical current to the laser diode. The controller supplies an extra electrical current to the laser diode only at an initial stage of driving of the laser diode so as to cancel an effect of a rising delay of its output intensity.

A non-lasing superluminescent light emitting diode (SLED) comprises a semiconductor heterostructure forming a PN junction and a waveguide defining an optical beam path. The heterostructure includes a gain region and an absorber region in series with the gain region in the optical beam path. A voltage is applied to the PN junction in the gain region by first contact means, so that light emission from the active region and along the optical beam path is produced. According to the invention, second contact means are provided, contacting the PN junction in the absorber region and operable to remove charge carriers generated by absorption in the absorber region. The second contact means are not connected to a voltage source, but to a charge carrier reservoir such as a metal surface. According to a preferred embodiment, the two end facets of the waveguide are perpendicular to the optical beam path.

The invention discloses a pipeline dredging device, and relates to the technical field of pipeline treatment. The pipeline dredging device comprises an equipment box, wherein pressure transmission equipment is fixedly mounted at the top of the equipment box; an inner groove is formed in the equipment box; an input groove is formed in the wall surface of the corresponding position of the top of theinner groove; a conveying pipe is fixedly mounted on the right side wall face of the equipment box; a foldable adjusting pipe capable of being folded and adjusted is fixedly mounted at the right endof the conveying pipe; and a pressure dredging head is fixedly mounted at the right end of the foldable adjusting pipe. According to the pipeline dredging device disclosed by the invention, when a movable ball rotates at multiple angles, a fixed disc in the pressure dredging head drives an impact adjusting block to impact the inner wall of the pressure dredging head at multiple angles, the pressure dredging head performs continuous multi-direction targeted air pressure transmission in a pipeline, angle pressure impact is performed on blockage matters, and pressure damage can be performed on the weak parts of the blockage matters preferentially, so that pipeline dredging operation can be finished rapidly.

The invention relates to a realization method of a programmable light source system based on a DMD, wherein an ultra wideband output of 400 nm-2400 nm is output by a super-continuous light source at first, and output light is collected by a paraboloid mirror to form parallel light; and the parallel light is split though a dispersing prism combination, the dispersed light is focused by a columnar convex lens, and the light with different wavelengths is projected to the DMD. A DMD control program selects the wavelength by selecting reversal of prisms on different rows. A to-be-output waveband is reflected by a micro mirror to one direction; and unselected wavebands are reflected to other directions. The to-be-collected light reflected by the DMD micro mirror passes through an inverted dispersing prism to offset original dispersing in order to reintegrate the reflected light into the parallel light, and then the parallel light is collected by the paraboloid mirror to an input end of a collection optical fiber. Finally, the whole system realizes rapid programmable outputting by controlling the reversal of the micro mirror on the DMD.

Provided is a high-output X-ray generation tube in which thermal damage to a target is reduced. The X-ray generation tube includes a target, an electron source, and a grid electrode having multiple electron passage apertures disposed between the target and the electron source. A source-side electron beam on the electron source side with respect to the grid electrode has a current density distribution, and the grid electrode has an aperture ratio distribution so that a region of the source-side electron beam in which a current density is largest is aligned with a region of the grid electrode in which an aperture ratio is smallest.

A vehicle is provided to minimize the difference in left and right output intensity of a headrest speaker by adjusting an output intensity of based on the position of the passenger's ear. The headrest includes a left-side speaker provided on the left-side of the headrest of a seat inside the vehicle to output sound and a right-side speaker provided on the right-side of the headrest to output sound. A pressure sensor measures a force applied to the headrest and a controller adjusts the output intensity of the left speaker and the right speaker based on an action point of the force measured by the pressure sensor.

Color adjusting apparatus and method for a light source. A reflector of a required color is added to a light source of a scan module, a plating film of the required color is formed on a lens, or the lens is dyed with the required color. Or alternatively, the color of the light source is directly changed into the required color. As a result, the inconsistent intensities for the light in the primary color, red, green and blue output from the charge-coupled device caused by different brightness of the light source, different wavelength transmission of the lens, and different light sensitivity of the charge-coupled device is improved.

A smart entry system that releases a lock of an opening / closing body includes: a transmission unit that transmits a call signal to a mobile key by wireless communication; a reception unit that receives a response signal from the mobile key responding to the call signal; and a control unit that outputs a call signal transmission command to the transmission unit, performs authentication of the response signal when the reception unit receives the response signal, and outputs a command for unlocking the opening / closing body based on a result of the authentication. The call signal is transmitted by a polling system. The control unit includes an output strength setting unit that changes and sets an output strength of the call signal.

The invention discloses a multifunctional ice slurry storing, stirring and pumping system. The system comprises an ice storage tank, an ice slurry pump and an ice slurry outlet; the ice slurry pump is correspondingly connected with the ice storage tank and the ice slurry outlet in a sealing manner; and the ice storage tank is provided with a first inlet and a stirrer. The system has the beneficial effects that the ice slurry is continuously stirred by the stirrer in the ice storage tank, so that the situation that even if the ice slurry is stored for a long time, the ice slurry cannot be used due to agglomeration, layering, gathering and condensation is avoided.

A system and method for evaluating an individual's posture relative to an objective measurement surface to determine the location of any misalignments of the body, the method including an alignment process to allow muscles that are misaligned to release, for proper positioning of the body and muscles, and a system for aiding the individual to achieve proper alignment. The method further includes a training process to reinforce proper alignment.

A laser beam generating apparatus includes a semiconductor element and a second harmonic generating element that performs a wavelength conversion on fundamental light emitted from the semiconductor element, the laser beam generating apparatus is an external resonance-type laser diode that has an external resonator structure and emits a transversal single mode laser beam, and the second harmonic generating element is a waveguide-type second harmonic generating element that includes a single mode waveguide.

A smart entry system that releases a lock of an opening / closing body includes: a transmission unit that transmits a call signal to a mobile key by wireless communication; a reception unit that receives a response signal from the mobile key responding to the call signal; and a control unit that outputs a call signal transmission command to the transmission unit, performs authentication of the response signal when the reception unit receives the response signal, and outputs a command for unlocking the opening / closing body based on a result of the authentication. The call signal is transmitted by a polling system. The control unit includes an output strength setting unit that changes and sets an output strength of the call signal.

A lighting device (10) is disclosed that comprises a light mixing chamber (14) at least partially delimited by a first surface (30) carrying a plurality of light sources (28) spatially distributed across said first surface and a second surface (31) arranged to be illuminated by said light sources, said second surface comprising light transmissive regions (33) delimiting light exit areas (32) having a higher light transmissivity than the light transmissive regions, said light transmissive regions exhibiting isotropic luminance and light exit areas exhibiting anisotropic luminance when illuminated by said light sources. The lighting device (10) further comprises a controller (40) adapted to individually control said light sources and having a mode of operation in which the controller is adapted to vary the luminous output of a selection of said light sources as a function of time such that the isotropic luminance of the light transmissive regions is time-independent and the anisotropic luminance of at least some of the light exit areas is time-dependent during said mode of operation.

The invention relates to the field of optical communication, and specifically relates to a multifunctional photoelectric communication circuit, module, equipment and method. The multifunctional photoelectric communication circuit comprises an SFP (Small Form Pluggable) module, a controller module, a first LD (Laser Diode) driving module, a second LD driving module, an optical transceiving module and an optical receiving module; the photoelectric module can be used for: 1, converting a normal data communication signal into an optical communication signal for transmitting; 2, converting a line monitoring electrical signal into an optical signal, and combining the line monitoring signal and the data communication signal into a compound signal to realize double functions of data communication and line monitoring; 3, when a line fails and needs detection, sending a line detection signal to analyze and determine the type and the position of the failure, so compared with the line detection realized through external dedicated OTDR (Optical Time Domain Reflectometry), the response is timely, the implementation cost is low and the control mode is simple; and 4, receiving and processing the compound signal transmitted by the opposite end through the optical receiving module. The multifunctional photoelectric communication circuit, module, equipment and method have a wide application prospect in optical communication.

Provided is a high-output X-ray generation tube in which thermal damage to a target is reduced. The X-ray generation tube includes a target, an electron source, and a grid electrode having multiple electron passage apertures disposed between the target and the electron source. A source-side electron beam on the electron source side with respect to the grid electrode has a current density distribution, and the grid electrode has an aperture ratio distribution so that a region of the source-side electron beam in which a current density is largest is aligned with a region of the grid electrode in which an aperture ratio is smallest.

The invention relates to a realization method of a programmable light source system based on a DMD, wherein an ultra wideband output of 400 nm-2400 nm is output by a super-continuous light source at first, and output light is collected by a paraboloid mirror to form parallel light; and the parallel light is split though a dispersing prism combination, the dispersed light is focused by a columnar convex lens, and the light with different wavelengths is projected to the DMD. A DMD control program selects the wavelength by selecting reversal of prisms on different rows. A to-be-output waveband is reflected by a micro mirror to one direction; and unselected wavebands are reflected to other directions. The to-be-collected light reflected by the DMD micro mirror passes through an inverted dispersing prism to offset original dispersing in order to reintegrate the reflected light into the parallel light, and then the parallel light is collected by the paraboloid mirror to an input end of a collection optical fiber. Finally, the whole system realizes rapid programmable outputting by controlling the reversal of the micro mirror on the DMD.