Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7433134 | Lens for sideward light emission A lens defines central axis, and includes a light receiving surface, a light reflecting surface, and a light exiting surface. The light reflecting surface is opposite to the light receiving surface along the central axis. The light exiting surface extends between th... | 10/07/2008 |
| 7411742 | Focusing lens for LED A focusing lens for an LED is provided. The focusing lens for an LED, which concentrates light emitted from the LED so as to have directionality parallel to an optic axis, comprises: a transparent body; a first lens part formed in the body; and a second lens part co... | 08/12/2008 |
| 7362514 | Imaging system, in particular a projection objective of a microlithographic projection exposure apparatus Imaging systems, in particular a projection objectives of a microlithographic projection exposure apparatus, are provided. The imaging systems can have an optical axis and produce an image field which is extra-axial relative to the optical axis. The imaging systems ... | 04/22/2008 |
| 7355800 | Apparatus for projecting a line of light from a diode-laser array A line-of-light projecting module is illuminated by a diode-laser bar and includes light-pipe for homogenizing light from the diode-laser bar in the slow-axis. A shaping optics assembly directs the light emitted by the diode-laser bar into the entrance end of the li... | 04/08/2008 |
| 7349163 | High-heat-dissipation lighting module There is provided a lighting module of the type having a solid-state light source, in particular a LED, a supporting plate, and a lens; the lens has a recess housing the light source; the lens is supported by and projects from the plate by means of supporting member... | 03/25/2008 |
| 7286296 | Optical manifold for light-emitting diodes An optical manifold for efficiently combining a plurality of LED outputs into a single, substantially homogeneous output, in a small, cost-effective package. The optical manifolds can be used to combine multiple LEDs of the same color and provide a high intensity ou... | 10/23/2007 |
| 7245280 | Laser display system Laser display system having at least more than two lasers, and a display panel for receiving an electrical picture signal, and regulating a quantity of light from the laser to form an image based on the electrical picture signal, including a light superimposer of op... | 07/17/2007 |
| 7213945 | Light emitting diode and method for fabricating the same A light emitting diode unit comprises a light emitting element D1, a base 1 having a heat dissipating member 12 that dissipates heat generated by the light emitting element D1, and a first lens 2 comprising a reflecting element ... | 05/08/2007 |
| 7145728 | Projection apparatus A projection apparatus including a light source which generates light beams, an optical projection system which projects the light beams generated by the light source onto a screen, and a reflection device which is positioned between the light source and the optical... | 12/05/2006 |
| 7131736 | Efficient illumination systems for reduced étendue color video projection systems An illumination system is provided with at least a first reflecting device that has a first focal point at the arc of an arc lamp. The second focal point of the reflecting device is located at the input end of a compound parabolic concentrator (CPC). The CPC is opti... | 11/07/2006 |
| 7131735 | Light source device, optical device, and liquid-crystal display device A light source device, comprising a light guide block that is provided with an inner wall capable of reflecting light and is shaped as a hollow component to form a light guide, and a point light source array that is located opposite one end face of the light guide b... | 11/07/2006 |
| 7118226 | Sequential color recapture for image display systems A method for transmitting light in an image display system includes generating a beam of light from a light source. The beam of light is directed at a first segment of an electronically-switchable filter. A first portion of the beam of light is accepted by the first... | 10/10/2006 |
| 7108504 | Light for use in activating light-activated materials, the light having insulators and an air jacket Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 09/19/2006 |
| 7106523 | Optical lens used to focus led light An aspheric lens focuses light emitting from a light-emitting diode (LED) of a light-generating dental device for curing light-curable compounds during dental procedures. The LED is preferably affixed to the end of an extension arm extending away from a light-genera... | 09/12/2006 |
| 7077648 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 07/18/2006 |
| 7066601 | Projection display having an illumination module and an optical modulator Provided is a projection display including an illumination module. The illumination module includes a light source including a plurality of light emitting devices, a light guide panel having a top surface from which light is emitted, the top surface facing the optic... | 06/27/2006 |
| 7066605 | Color recapture for display systems A sequential color display system using a white light source to create a full color image projected onto an image plane. A dynamic filter, typically a series of moving dichroic filters, generates a series of primary colored light beams that are swept across the surf... | 06/27/2006 |
| 7066732 | Method for curing light-curable materials A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 06/27/2006 |
| 7055967 | Illumination systems employing corrective optics for use in reduced étendue color video projection systems An illumination system is provided with at least a first arc lamp positioned on the first axis of a first reflecting device. An aspherical corrector plate is positioned to receive the light rays produced by the arc lamp. The aspherical corrector plate is shaped so t... | 06/06/2006 |
| 7046897 | Light beam preparation arrangement A light beam preparation arrangement includes a light tunnel, a rotatable unit, and a drive unit. In one aspect, a fixation rigidly attaches the light tunnel directly to the drive unit. In another aspect, temperature of the light tunnel in controlled. In another asp... | 05/16/2006 |
| 6979194 | Light for activating light-activated materials, the light including a plurality of individual chips and providing a particular spectral profile Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 12/27/2005 |
| 6979193 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/27/2005 |
| 6974319 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/13/2005 |
| 6971876 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 12/06/2005 |
| 6971875 | Dental curing light A curing light system useful for curing light activated composite materials is disclosed. The system includes a light emitting semiconductor device, a primary heat sink and a secondary heat sink. Various configurations of light emitting semiconductor chips and heat ... | 12/06/2005 |
| 6969253 | Light for use in activating light-activated materials, the light having at least one light emitting semiconductor chip, the chip being attached to a primary heat sink that is attached to a secondary heat sink using heat conductive and electrically insulative adhesive Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 11/29/2005 |
| 6961190 | Bulk lens, light emitting body, lighting device and optical information system The lens embraces a bulk-shaped lens body identified by a top surface, a bottom surface and a contour surface, and a well-shaped concavity is implemented in the inside of the lens body, aligned from the bottom surface toward the top surface. The lens body has geomet... | 11/01/2005 |
| 6955537 | LIGHT FOR USE IN ACTIVATING LIGHT-ACTIVATED MATERIALS, THE LIGHT HAVING A PLURALITY OF LIGHT EMITTING SEMICONDUCTOR CHIPS EMITTING LIGHT OF DIFFERING PEAK WAVELENGTHS TO PROVIDE A WIDE LIGHT SPECTRUM PROFILE Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 10/18/2005 |
| 6953340 | Light for use in activating light-activated materials, the light having a detachable light module containing a heat sink and a semiconductor chip Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials an... | 10/11/2005 |
| 6953275 | System and method for providing a uniform source of light A system for providing a uniform source of light. The system includes a light pipe having an input surface for receiving light from a light source and an output surface for transmitting the light. The system also includes an optical element having an entrance surfac... | 10/11/2005 |
| 6940659 | Cone-shaped lens having increased forward light intensity and kits incorporating such lenses The invention is directed to lenses having thin walls and a generally conical shape for use with dental light-curing devices. The conical or otherwise tapered shape enables the apex of the lenses to be inserted at least partially within a dental preparation (e.g., a... | 09/06/2005 |
| 6939059 | Method and system for optical packaging Method and system for an optical package are disclosed. In one embodiment of the present invention, an optical package comprises: a lead frame; a substrate mounted inside the lead frame; one or more leads attached to the substrate; an optical device or component suc... | 09/06/2005 |
| 6932600 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/23/2005 |
| 6929472 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/16/2005 |
| 6926524 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 08/09/2005 |
| 6910886 | Curing light A curing light system useful for curing light activated composite materials is disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. | 06/28/2005 |
| 6819506 | Optical lens system for projecting light in a lambertion pattern from a high power led light source An optical lens having a body with a front face and a rear cavity for cooperatively receiving and optically aligning a high power light emitting diode source with respect to a primary central optical axis of the lens. Reflective inner side walls of the body project ... | 11/16/2004 |
| 6744567 | Lens for optical recording and reproducing system A lens for an optical recording and reproducing system includes: a plane of incidence on which a light generated from a light source is made incident; a first reflection side for reflecting a light passing through a plane of incidence; and a second reflection side f... | 06/01/2004 |
| 6643068 | Collimators and collimator arrays employing ellipsoidal solid immersion lenses An ellipsoidal solid immersion lens (ESIL) for use as a collimator for a waveguide. The ESIL has a refractive index n, an ellipsoidal surface portion defining a geometrical ellipsoid with geometrical foci F1, F2 along a major axis of... | 11/04/2003 |
| 6560038 | Light extraction from LEDs with light pipes A non-imaging optical coupler that is a figure of revolution combining a light-transmitting body defining a recessed input cavity, a transparent droplet-shaped encapsulant of a light-emitting diode, or array of diodes in the cavity, the body having a curv... | 05/06/2003 |