Matches 1 - 50 out of 414 1 2 3 4 5 6 7 8 9 >


Match Document Document Title
US20130021580 Systems and Methods of LED Color Overlap  
The disclosed systems and methods emphasize driving LEDs in series and in parallel with the same LED driver chip and a single inductor. For creating overlap, the systems and methods of LED color...
US20130335712 Light Unit Comprising an Illumination Unit and a Projection Unit  
A light-emitting unit comprising a lighting unit (10; 110; 210; 310; 410; 510; 610; 710; 810; 910; 1010; 1110) and a projection unit (12; 112; 212; 312; 412; 512; 612; 712; 812; 912; 1012; 1112),...
US20130314676 PROJECTION MODULE  
The present invention is related to an improved projection module, and more particularly, to a projection module integrated with necessary combinations so as to reduce error probabilities of...
US20080192209 Device For Projecting a Pixelated Lighting Pattern  
A lighting device is provided for projecting a pixelated lighting pattern to be viewed onto a surface facing said device is provided. The device comprises a plurality of independently controllable...
US20140185019 Projection Advertising Glassware  
The present invention relates generally to a method and system of advertising, and more particularly to a method and system of advertising that involves projection of a logo or advertisement from...
US20140160446 PROJECTOR AND PROJECTOR CONTROLLING METHOD  
A projector includes a measurement unit having a function of measuring at least two of a period during which the projector remains powered on, a period of an in-use state in which a user is using...
US20140043590 PROJECTOR AND METHOD FOR CONTROLLING PROJECTOR  
A projector can not only perform power on/off operation in synchronization with open/close action of a shutter but also provide a screen mute function achieved by the shutter. When the shutter is...
US20130010269 PROJECTOR AND CONTROL METHOD FOR PROJECTOR  
A projector can be connected in cascade to another projector. Either a first mode for the projector to operate as a leading projector in the cascade connection or a second mode for the projector...
US20140375968 PROJECTOR HAVING FLUOROSCENT BODY AND ASSOCIATED SENSOR  
A projector includes a light source that emits excitation light, a fluorescent body that converts the excitation light into fluorescence, a liquid crystal optical modulation device that modulates...
US20140036240 DISCHARGE LAMP LIGHTING APPARATUS AND PROJECTOR  
A polarity-reversal control circuit gives a polarity-reversal order so that the polarity of an inverter is inverted each time the polarity-reversal timing notified by a signal is recognized. The...
US20130083299 PROJECTOR AND LIGHT SOURCE CONTROLLING METHOD THEREOF  
A projector and a light source controlling method thereof are provided. The light source controlling method includes the following steps. The light source module is controlled to adjust a...
US20080259289 Projector Device, Portable Telephone and Camera  
A projector device that generates a projection image, photographs this projection image and performs various adjustments to the projection image.
US20070206162 OPTICAL PROJECTION APPARATUS  
An optical projection apparatus comprising an illumination system, a light valve, an imaging system, a power supply circuit and a generator are provided. The illumination system with a color wheel...
US20090002644 INVISIBLE SCANNING SAFETY SYSTEM  
An invisible scanning safety system for use with laser projection systems that includes sensors monitoring less than the entire laser accessible region such that the region monitored is reduced to...
US20120086921 Turning Off a Projector  
A method of and apparatus for turning off a projector. The method and apparatus identify a condition to the effect that the projector should not be powered on, identify a condition to the effect...
US20090122274 Video Projection System  
A roll bar for protecting a projection mirror is attached so as to avoid exerting an external force to the projection mirror portion, direct thereto upon a turnover the projection apparatus....
US20070211224 PROJECTION DEVICE CAPABLE OF DETERMINING WHETHER A LIGHT SOURCE HAS BEEN COOLED DOWN BEFORE A TURN-ON PROCEDURE AND METHOD FOR CONTROLLING A TURN-ON PROCEDURE OF A PROJECTION DEVICE  
While turning on a projection device, the projection device determines whether a light source has been cooled down. If so, the projection device directly turns on the light source. Otherwise, the...
US20100328630 PROJECTOR AND CONTROL METHOD THEREOF  
Disclosed herein is a projector that can be loaded with lamps of a plurality of kinds, each of a plurality of the lamps loadable into the projector being given a lamp serial code formed by...
US20100328629 PROJECTOR AND CONTROL METHOD THEREOF  
Disclosed herein is a projector that can be loaded with lamps of a plurality of kinds, each of a plurality of the lamps loadable into the projector being given a lamp serial code formed by...
US20130250251 PROJECTOR AND PROJECTOR SYSTEM  
A second projector is configured to be able to connect with a first projector via a USB cable including a VBUS line. The second projector includes an image projecting unit that modulates light...
US20110317133 METHOD AND ELECTRONIC OPERATING DEVICE FOR OPERATING A GAS DISCHARGE LAMP AND PROJECTOR  
A method for operating a gas discharge lamp featuring a gas discharge lamp burner and a first and a second electrode, wherein the electrodes have a nominal electrode separation in the gas...
US20110032493 SAFETY INTERLOCK SYSTEM FOR A PROJECTOR SYSTEM  
A safety interlock system for a projector system is provided. The projector system has a lamp, a controller and ballast for powering the lamp upon receipt of a lamp enable signal from the...
US20070046904 Projector cooling routine  
A method for projector cooling includes, upon projector start-up, detecting a device orientation and then initiating a device component cooling routine according to the detected orientation.
US20150192846 DISCHARGE LAMP LIGHTING DEVICE, DISCHARGE LAMP LIGHTING METHOD, AND PROJECTOR  
A discharge lamp lighting device according to an aspect of the invention includes a resonance circuit unit connected to a discharge lamp, a power converting unit configured to convert...
US20090174866 PROJECTOR AND PROGRAM  
A projector includes a projection light source, a light-off detector that detects that the projection light source is shut off, and a relighting controller that is triggered to carry out a...
US20090279054 Projector and maintenance system for ballast thereof  
A maintenance system for a ballast is applied to a projector. The projector includes a housing. The maintenance system for the ballast includes an input/output interface and a ballast. The...
US20130038843 HIGH PRESSURE DISCHARGE LAMP BALLAST AND A METHOD FOR DRIVING A HIGH PRESSURE DISCHARGE LAMP BALLAST  
The high pressure discharge lamp ballast of the present invention includes: power supply means for supplying an AC current to a lamp; and control means for cyclically changing a current value of...
US20080158522 LASER PROJECTOR FOR CONTROLLING POWER TO DRIVE LASER DIODES AND METHOD THEREOF  
A laser projector which controls power to a plurality of light sources and a method thereof are provided. The laser projector includes a plurality of light sources, a sensing unit, a power supply...
US20110310361 METHOD AND ELECTRONIC OPERATING DEVICE FOR OPERATING A GAS DISCHARGE LAMP AND PROJECTOR  
A method for operating a gas discharge lamp may include; the gas discharge lamp is operated using an intermittently constant lamp current, whose time-relative average value of the frequency is...
US20110025989 HIGH-PRESSURE DISCHARGE LAMP LIGHTING DEVICE, HIGH-PRESSURE DISCHARGE LAMP DEVICE USING SAME, PROJECTOR USING SAID HIGH-PRESSURE DISCHARGE LAMP DEVICE, AND HIGH-PRESSURE DISCHARGE LAMP LIGHTING METHOD  
Constant current control is performed after the completion of starting operation of a high-pressure mercury-vapor lamp 4 and then lighting is shifted to constant power lighting. Except during a...
US20110043771 High pressure discharge lamp lighting apparatus and projector  
A high pressure discharge lamp lighting apparatus that comprises a power supply apparatus that supplies a rectangle wave alternating current to the high pressure discharge lamp for lighting, such...
US20120229778 LED PROJECTOR WITH ADJUSTABLE PROJECTING EFFECTS  
The present invention relates to a projecting effect adjusting device containing at least a optical module that can change the LED projecting effects. The projecting effect adjusting device has...
US20120026471 PROJECTOR, LIGHTING DEVICE FOR HIGH-PRESSURE DISCHARGE LAMP USED IN THE PROJECTOR, AND METHOD FOR LIGHTING HIGH-PRESSURE DISCHARGE LAMP  
The projector uses two lamps, which are high-pressure discharge lamps with the same rated power, as light sources. The projector includes: a first alternating-current generator configured to...
US20150131063 METHOD FOR OPERATING A DISCHARGE LAMP AND PROJECTION ARRANGEMENT  
Various embodiments provide a projection arrangement. The projection arrangement may include a discharge lamp; and a ballast for the discharge lamp. The ballast is designed to provide, during...
US20110063584 High pressure discharge lamp lighting apparatus and projector  
A discharge lamp lighting apparatus comprises a discharge lamp and a power supply the discharge lamp can be switched between a steady power lighting mode, which drives the discharge lamp by an...
US20120044466 PROJECTOR  
A projector includes a discharge lamp, a discharge lamp driver that supplies the discharge lamp with a current, a voltage detector that detects a drive voltage for driving the discharge lamp, and...
US20060170880 Brightness and colour control of a projection appliance  
In order to control the brightness and/or the color of a projection apparatus (1), more particularly of a rear projection apparatus of a projection wall, wherein the image generation is based on...
US20090040475 Control System, Projector, Program, and Information Storage Medium  
A control system includes a principal light source for outputting light to a light path used for image projection, an auxiliary light source for outputting light to the light path, and a control...
US20150162179 METHOD OF CALIBRATING A SYSTEM COMPRISING A GAS-DISCHARGE LAMP AND A COOLING ARRANGEMENT  
The invention describes a method of generating calibration data (ΔUx, CPx) for a system (3) comprising a gas-discharge lamp (1) and a cooling arrangement (2) for cooling the lamp (1), which method...
US20150091799 PROJECTOR WITH REMOVABLE MODULE  
A projector (100) including a plurality of systems (110, 130) and a port (140) adapted to receive and communicate with a removable module (102). More particularly, the projector (100) is capable...
US20150103323 DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVING METHOD  
A discharge lamp driving device includes: a discharge lamp driving unit which supplies drive power to a discharge lamp; and a control unit which controls the discharge lamp driving unit. The...
US20070222952 Projection type video display  
A projection type video display for displaying a video by casting light that is emitted from a lamp (1) serving as a light source and modulated on the basis of a video signal, has lamp cooling...
US20150177604 Automatic Projector Safety Protocols  
A projector having corresponding methods and computer-readable media comprises a detector configured to detect electromagnetic radiation; and a processor configured to implement a protocol...
US20150103322 DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVING METHOD  
A discharge lamp driving device includes: a discharge lamp driving unit which supplies drive power to a discharge lamp; and a control unit which controls the discharge lamp driving unit according...
US20110128508 Lighting apparatus for high-pressure discharge lamp and projector  
A lighting apparatus for a high-pressure discharge lamp that has an electric discharge container made of quartz glass, and containing a pair of counter electrodes and a power supply unit that...
US20070103650 Projector and method of turning on light source device of projector  
Task To provide a projector using a light source device that is rapidly and reliably turned on and can stably obtain a desired amount of light and a method of rapidly and reliably turning on a...
US20100060864 STRUCTURE FOR PROJECTOR WITH COLOR SENSOR  
A projector with a color sensor module is provided. The projector includes a light source providing a light, a prism device refracting the light, a reflecting device reflecting the light refracted...
US20080297739 PROJECTOR AND DRIVING METHOD OF LIGHT SOURCE FOR PROJECTOR  
A projector includes an discharge lamp which has a first electrode and a second electrode and emits light by generating discharge between the first and second electrodes, and a driving system...
US20090244490 Mobile Projector Apparatus and Method of Controlling the Same  
A mobile projector apparatus includes a light source, a modulation unit modulating light of the light source using a picture signal, a projection lens magnifying and projecting the modulated light...
US20080225241 Projector and Method for adjusting projective luminance thereof  
A projector includes a housing, a projecting module, a first luminance sensor, a second luminance sensor and a control module. The projecting module includes a light source for emitting light, a...

Matches 1 - 50 out of 414 1 2 3 4 5 6 7 8 9 >