visible (Total 14535 Patents Found)

According to one embodiment, a photo detector-combined illuminance sensor includes a circuit for a Photo Detector (PD) function to detect the illuminance of the ambient environment. The illuminance sensor operates under the control of a controller in a visible light communication terminal. When an optical signal detect...
Embodiments of the invention are directed to a transparent up-conversion device having two transparent electrodes. In embodiments of the invention, the up-conversion device comprises a stack of layers proceeding from a transparent substrate including an anode, a hole blocking layer, an IR sensitizing layer, a hole tran...
Novel methods and systems for waveguide fabrication and design are disclosed. Designs are described for fabricating ridge, buried and hybrid waveguides by a femtosecond pulsed laser. A laser system may combine a diode bar, a wavelength combiner and a waveguide. The waveguide may convert the electromagnetic radiation of...
A network, a Visible Light Communications controller ( 120 ), and a method relate to a network architecture splitting frame processing functionality between Light Fidelity Access Points ( 130 ) and the Visible Light Communications controller or a virtualized controller. In such configurations, the Light Fidelity Access...
Un dispositif à micro-laser compact à semi-conducteur et pompage optique utilise une conversion non linéaire et efficace de fréquence à l'intérieur de la cavité afin de donner des sources laser vertes et bleues pour un faible coût. Le laser comprend un milieu de gain semi-conducteur tel que Nd:YVO4> et u...
A compound, composition, and method for the protection of skin from the harmful effects of radiation, and particularly the harmful effects of high energy visible (HEV) radiation, are disclosed. The compound is a melanin derivative that can be formulated into compositions containing the melanin derivative and a suitable...
A high transmittance fairly clear/neutral colored glass composition is provided. An oxidizing agent(s) such as cerium oxide (e.g., CeO 2 ) or the like is added to the glass batch in order to realize very oxidized conditions (i.e., to significantly lower the redox of the resulting glass). As a result of the oxidizing ag...
A dental impression material which comprises a pre-polymer formed by reacting a polyol or combination polyester polyol with a diisocyanate, and then with a hydroxyacrylate or hydroxymethacrylate; along with a metal catalyst, plasticizer, photosensitizer, reducing agent, filler and other additives. The essential charact...
A system and method of locating the display area of a user interactive, computer controlled display including a computing device for generating image data corresponding to a plurality of selected images, a display area for displaying the plurality of selected images, an image capture device for capturing a plurality of...
An enclosure of an electronic apparatus includes an upper panel covering over the upper surface of an inner space of the enclosure. A connector is incorporated in the enclosure. The electronic apparatus allows the upper panel to define the peripheral edge retreating from the tip end of the connector. When the user of e...
This invention discloses a method for manufacturing a disposable endoscopic puncture outfit for laparoscopy operations. The manufacturing method comprises the following steps: 1) preparing a camera shooting module; 2) preparing a puncture needle; 3) preparing a positioning puncture casing pipe; 4) mounting the camera s...
A method for manufacturing an electronic device and a device manufactured according to this method including an assembly of at least two insulating sheets, at least one electronic element, a first insulating sheet including at least one window in which the electronic element is at least partially lodged. One face of th...
In order to protect body members adjacent an invasive procedure on a body, the member to be protected is illuminated preferably with infrared light energy and the entire site of the invasive procedure is viewed through an optical system that conducts both infrared and visible light energy to one or more video cameras. ...
An optical disk is equipped with a predetermined mark. A frequency generator outputs an FG pulse of frequency corresponding to the rotational speed of a spindle motor used for rotationally driving the optical disk. The edge of the FG pulse detected by an edge detection section is counted by an FG counter. An angle coun...
A broadband mirror, polarizer, or other reflector includes at least one stack of microlayers. Microlayers in the stack are arranged into optical repeat units. At a design angle of incidence such as normal incidence, the stack provides a 1 st order reflection band, a 2 nd order reflection band, and optionally a 3 rd ...
Proposed is a method for providing additional information to a mobile communication terminal by means of visible light communication in an information display device having an LED backlight unit. For this purpose, the method of the present invention comprises the steps of: receiving, from a mobile communication termina...
A method and apparatus for monitoring a localized region of a touch screen for a plurality of sensor inputs to identify a camera profile of at least one user equipment. In response to identifying the camera profile initiating a localized visual data exchange by displaying data within a region defined by the camera prof...
An inorganic visible light reflective polarizer formed by applying layers of dielectric material on one or more surfaces of a transparent substrate. The resulting polarizer exhibits polarizing performance over the entire visible spectrum. A miniaturized polarizer is formed by assembling and binding together several sin...
The present invention provides visible light curing systems, methods for reducing health risks to individuals exposed to radiation curing systems, methods for bonding substrates and visible light curing compositions....
L'invention concerne un procédé et système de traçage de flux de service visible, de même qu’un système de traitement de flux de service, le procédé comprenant les phases suivantes : le système de traçage de flux de service visible détermine un flux de service comportant une pluralité de nœuds de flu...
A multilayer data carrier is described which bears general printed data and furthermore has a transparent layer containing additives which are absorbent for a laser beam. The transparent layer is designed so that it exists in the card compound as a thin, nonself-supporting layer....
Disclosed herein are an apparatus and method for visible light communication using electrically switchable glass. The apparatus for visible light communication using the electrically switchable glass includes a reception unit for receiving a data signal, a control unit for generating current and voltage corresponding t...
Disclosed are apparatus and methods of improving of the spectral responsivity of color image sensors that are inherently inefficient in the short wavelength range of the visible spectrum. By using a phosphor composition as a spectral shifter to absorb the short wavelength portion of the incident light, the phosphor the...
A ferroelectric liquid crystal display includes a pair of first and second substrates placed substantially in parallel to each other to form a space between the first and second substrates so that a ferroelectric liquid crystal is provided in the space between the first and second substrates, wherein the ferroelectric ...
The disclosed embodiments provide a system that facilitates driving a display in a computer system. During operation, the system receives an input video stream from a graphics source, wherein the input video stream comprises a sequence of video frames. Next, the system directs the input video stream through a set of tw...
This invention pertains to a composite of AlON and a germanate glass, and to a process for bonding AlON to the glass. The composite includes AlON and glass bonded together and having transmission in the visible and mid-infrared wavelength region. The process includes the step of heating them together above the softenin...
Excess oxygen in the combustion process of a facility that bums carbon-based fuels may cause a visible plume in the atmosphere at the stack of the facility. Traditional optical based opacity monitors may be unable to detect this plume or the plume may form at a location downstream from the opacity monitor toward the st...
A fabric having a camouflage appearance in the near infrared (NIR) spectrum with a substantially a single color appearance in the visible (VIS) spectrum is provided. The novel fabric may include at least two synthetic polymer multifilament yarns. The multifilament yarns are selected from 3 types of multifilament yarns:...
A method of providing data using visible light communication (VLC) and a VLC system therefor is provided, the method for easy utilization, in a user terminal, of information provided by a lighting apparatus based on a position at which the lighting apparatus is provided....
Absorbing layers of a low-emissivity (low-E) coating are designed to cause the coating to have a reduced film side reflectance which is advantageous for aesthetic purposes. In certain embodiments, the absorbing layers are metallic or substantially metallic (e.g., NiCr or NiCrN x ) and are each provided between first an...
A diode pumped laser apparatus for generating a visible power beam, of the type comprising: a miniaturised linear laser cavity ( 72 ) with very low losses, comprising at least the following optical elements ( 30,33,36,10,20 ): reflecting means ( 30;33;36 ), highly reflecting at a fundamental wavelength, at least one of...
A visible light communication apparatus is constituted with a transmitter for illuminating and projecting visible light on which an information signal is superimposed from a lamp fitting and a receiver for receiving the visible light to take out the information signal superimposed on the visible light. The transmitter ...
The invention discloses a real-time, visible, recyclable and image-shared nucleic acid electrophoresis device. The nucleic acid electrophoresis device comprises a device pedestal, a machine top cover, a nucleic acid electrophoresis device body, imaging LED (light-emitting diode) excitation light sources, an imaging lig...
本实用新型公开了一种基于电力线和可见光的通信系统,该系统包括电力载波通信部分和可见光通信部分,其中耦合转接单元是电力载波通信和可见光通信的公共部分。所述的电力载波通信部分包括信号输入、信号预处理、微控制器、电力载...