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202results about How to "Eliminate glare" patented technology

Minimally invasive surgical spinal exposure system

A minimally invasive retractor system is shown which has a support frame having two opposing pairs of horizontally oriented sides. The sides of the frame can be adjusted to vary an interior space of the frame. Four retractor blades are mounted on the frame for engaging tissue within a surgical site. Each retractor blade has an elongate body portion with a length which is oriented perpendicularly to the frame in use. One of the retractor blades can be equipped with a light source and a suction source which are integral to the blade. The blade also has an integral power source for powering the light source. The blade can also house a tissue retractor such as a dural retractor for retracting the dural sack of a patient during spinal surgery.
Owner:ZIMMER BIOMET SPINE INC

High light-flux anti-glare polycarbonate and method for preparing same

InactiveCN101792586AEliminate glareLight transmission continuumGlobesPolycarbonateLight flux
The invention discloses high light-flux anti-glare polycarbonate and a method for preparing the same. The method for preparing the high light-flux anti-glare polycarbonate comprises the following steps of preparing polycarbonate resin light diffusion master batch from 94.7-99.8 percent by weight of polycarbonate resin, 0.1-5 percent by weight of astigmatism agent and 0.1-0.3 percent by weight of antioxidant and weighting 30.6-92.9 percent by weight of polycarbonate resin, 6.5-66 percent by weight of polycarbonate resin light diffusion master batch, 0.1-0.5 percent by weight of light guiding agent, 0.3-0.6 percent by weight of ultraviolet absorbent, 0.1-0.3 percent by weight of antioxidant and 0.1-2 percent by weight of mould releasing agent. In the invention, the light ray is distributed two times or more to eliminate the blinding glare, and the light is transmitted continuously to the maximum extent. The anti-glare polycarbonate has low optical loss and high light flux, can meet the need of different level of various environment and application situations, can be used for producing the shell of the lighting lamp, is convenient to prepare with simple process and is suitable for industrial production.
Owner:广州金园聚合物挤出成型科技有限公司

Methods, systems and computer program products for color matching

A method and system of image processing on a computer, and a computer program product adapted for image processing, wherein a digital image of an article is imported into a computer, the digital image is color-corrected, an internal palette is generated from a database of predetermined color attributes and applied to the color-corrected digital image so as to generate a second digital image, and wherein a third digital image corresponding to the second digital image is generated, but replacing the predetermined color attributes with vivid color attributes. The present invention is of particular utility in the manufacture of dental prostheses from ceramics materials which substantially match a person's natural tooth colors.
Owner:DIGITAL COLOR MEASUREMENT

LED face light source

The LED area light source includes one LED base board with installed LED's; one bracket around the LED's with one outwards opened inner cone type reflector coated with reflecting material; and one fluorescent powder board on the bracket to cover the LED's in some interval. The fluorescent powder board is made of transparent material and has fluorescent powder coated in the side facing the LED's. The LED base board made of heat conducting material is fixed on the casing via heat conducting material. The present invention forms homogeneous light emitting area in the fluorescent powder board, emits homogeneous gentle light, and can reach the functions of protecting eyesight and eliminating point light source.
Owner:吴娟

Computer monitor utility assembly

The present invention is directed towards a computer monitor utility assembly to be used with a standard computer monitor. The computer monitor utility assembly includes primarily a universal mount base which is structured and disposed to be removably, yet securely attached to the top surface of the monitor, and to a generally rigid top panel having a width generally equivalent to a width of a screen of the monitor. The top panel is adjustably secured to the mount base in overlying relation atop the monitor and so as to be able to slide forward and backward relative to the mount base, thereby selectively overhanging beyond the front surface of the monitor and providing shade to the monitor screen from light and glare. Further, the improved computer monitor utility assembly includes a utility console. The utility console is structured to effectively and operatively contain a plurality of peripheral articles, such as computer speakers, a microphone or a camera in an operative and modular fashion that permits facilitated expansion or modification of the system capacities. The utility console is secured to the top panel and is concealed by a lip of the front panel so as to provide a concealed and aesthetically pleasing appearance, while still providing necessary accessibility for use of the peripheral components integrated with the utility console.
Owner:CORREA CARLOS

Intelligent LED (light-emitting diode) video synchronizing impulse stroboscopic supplemental lighting device

The invention discloses an intelligent LED (light-emitting diode) video synchronizing impulse stroboscopic supplemental lighting device. The device is composed of an electronic circuit and a shell, wherein the electronic circuit has the following structure: a 220V alternating current is connected with a 24V switching power supply and a synchronization generator, the 24V switching power supply is connected with an LED lamp matrix and a +12V power supply circuit, the +12V power supply circuit is connected with a +5V power supply circuit, a light ray detection circuit is connected with a signal processing circuit, a signal input circuit is connected with the signal processing circuit, the signal processing circuit is connected with a signal output circuit, and the signal output circuit is connected with the LED lamp matrix through an actuator. With the adoption of the device provided by the invention, the phenomena of dazzling, uneven exposure and streaking can be effectively avoided, the synchronous exposure with a frame of a camera and frequency multiplication output of light can be realized, and the problem that the color of the red light in an image shot by a monitoring camera changes from red to yellow during the red light signal of traffic lights is solved.
Owner:SHANDONG HAIRIFENG ELECTRONICS TECH

LED (Light-Emitting Diode) lamp tube with large light flux and large light-emitting angle and manufacturing method thereof

InactiveCN103438378AImprove system reliability and system repair abilityReduce manufacturing costPoint-like light sourceElectric circuit arrangementsColor temperatureLight flux
The invention relates to an LED (Light-Emitting Diode) lamp tube with large light flux and a large light-emitting angle. The LED lamp tube is provided with an insulated connecting sleeve which introduces a power supply to the electricity supply part of a COMMB-LED light source assembly and the heat dissipating and transferring aluminum profile support frame part of a V-shaped structure; the combined body of the heat dissipating and transferring aluminum profile of the V-shaped structure and the COMMB-LED light source assembly is arranged in a glass lamp tube. The LED lamp tube is characterized in that the heat conducting and transferring aluminum profile of the V-shaped structure is arranged in the glass lamp tube of the LED lamp tube along the length direction of the lamp tube; the COMMB-LED light source assembly is arranged on two symmetrical inclined surfaces of the heat conducting and transferring aluminum profile of the V-shaped structure and closely contact with the heat conducting and transferring aluminum profile in an adhering way; both ends of the lamp tube is provided with constant current power supplies; a diffusion membrane or a fluorescent powder adhesive tape which realizes light uniformity, different color temperature and color developing indexes is arranged on the inner wall of the glass tube positioned in the light-emitting direction of the COMMB-LED light source assembly.
Owner:彭雯

Transparent lampshade and lens module of high-power LED streetlamp

InactiveCN102588878AUniform middleUniform edgingPlanar light sourcesPoint-like light sourceLight spotOptical lens design
The invention discloses a lens module of a high-power LED streetlamp, which comprises a projected spherical surface similar to a semielliptical surface. The bottom of the projected spherical surface is connected with a planar bottom plate, a hollow spherical surface groove similar to a semielliptical surface is arranged at the center of the bottom of the projected spherical surface, the projected spherical surface is divided into a left semi-spherical surface and a right semi-spherical surface by centering the long axis, and a smooth-transition groove is arranged at the center of the left spherical surface. The long axis of the projected spherical surface is parallel to the short axis of the hollow spherical surface groove, and the distance delta d between projections on the horizontal plane of the two axes is larger than zero. All 180-degree light emitted from LED chips can be collected by a lampshade designed by fully-refractive secondary optical lens and can be redistributed to the assigned areas. Far-field angular distribution of light intensity of the LED streetlamp can be in bat wing distribution and light spot can be rectangular by the aid of light distribution of free curved surfaces, and further, the middle and the edges of the rectangular light spot can be more uniform, light cutting design of the lens can be realized and flare can be eliminated by means of the principle of marginal light rays.
Owner:DEW & KEN OPTOELECTRONICS ZHENGZHOU
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