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 |
| 7898712 | Risley integrated steering module A Risley integrated steering module is disclosed. The beam steering device consists of an outer assembly rotatable about an axis, and an inner assembly rotatable about the axis and positioned radially within the outer assembly. The beam steering device also includes... | 03/01/2011 |
| 7830629 | Prism sheet An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the transparent main body. The first surface defines a plurality of ... | 11/09/2010 |
| 7387391 | Apparatus and method for mounting imagers on stress-sensitive polarizing beam splitters An optical device that includes an optical element, an imager, and a prism bracket. The optical element includes an optical element having first and second prisms coupled together. The imager is arranged adjacent to the first prism and configured to receive light fr... | 06/17/2008 |
| 7373044 | Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism An optical link module of the present invention for connecting light beams by deflection and including light-emitting devices arranged in a planar manner; an optical fiber bundle that is an optical waveguide for receiving the light beams from the light-emitting devi... | 05/13/2008 |
| 7372079 | Surface light emitter, display apparatus and light control member To improve the front brightness of the light emitted from a surface light emitter having a surface light emitting device. In the surface light emitter to which a light control sheet having depressions is provided, the surface of the light control sheet having the de... | 05/13/2008 |
| 7364341 | Light redirecting films including non-interlockable optical elements The light redirecting films include a thin optically transparent substrate having a pattern of non-interlocking individual optical elements oriented and placed to produce a desired surface coverage of at least one of the surfaces of the transparent substrate of the ... | 04/29/2008 |
| 7362503 | Screen, Fresnel lens sheet used for the same, and image display apparatus using the same The present invention provides a technology that makes it possible to display high-quality images by reducing a reflection loss of the image light entering the upper left and right ends of a transmissive screen. At the image generation source side of the Fresnel len... | 04/22/2008 |
| 7355798 | Optical system for collimating elliptical light beam and optical device using the same An optical system (20) for efficiently collimating an elliptical light beam includes a light source (21), a collimator (22), and at least one prism (23,24). The light source is adapted for providing an elliptical light beam defining diffe... | 04/08/2008 |
| 7352521 | Image display optical system and image display apparatus An image display optical system which achieves a small size and display at a wide angle of view as well as maintains a required level of optical performance and allows suppression of occurrence of various aberrations at the same time. The optical system includes a f... | 04/01/2008 |
| 7350928 | Projection display system A projection display system comprises an illumination device, a prism assembly, a projection lens and a reflective light valve. The prism assembly has a first light incident surface, a first light emitting surface and a second light emitting surface. The first light... | 04/01/2008 |
| 7347558 | 3D kernel and prism assembly design A Liquid Crystal on Silicon (LCOS kernel for a light engine is configured in a kernel having light paths in three dimensions (3D kernel). The 3D kernel allows for designs that do not require Wavelength Dependent Waveplates (WDWs) (or Wavelength Specific Retarders) f... | 03/25/2008 |
| 7336407 | Scanner/pointer apparatus having super-hemispherical coverage A scanner apparatus which has super-hemispherical coverage includes a receiver, a pair of counter-rotating prisms, and a rotating mirror aligned with the pair of counter-rotating prisms. The rotating mirror and the pair of counter-rotating prisms guide an observed o... | 02/26/2008 |
| 7333083 | Optical based performance improvement for an optical illumination configuration A system, method, and method of manufacturing directed to an optical device with an efficient optical illumination. The optical illumination can be provided by tilting a light source and using a refractive lens to direct the light onto a surface. Alternatively, the ... | 02/19/2008 |
| 7329007 | Projector A projector includes an illumination device, a color separation system, a light combining system, a projection system, and an optical adjustment portion. The color separation system separates the light emitted from the illumination device into blue light, red light,... | 02/12/2008 |
| 7322703 | Light emitting apparatus and projector An light emitting apparatus which illuminates an illumination area has a first light source which emits a first light, a second light source which emits a second light, a wheel which is provided with a transmission filter area which transmits the first light, and a ... | 01/29/2008 |
| 7321542 | Beam shaping prism and optical pickup employing the same A beam shaping prism used in an optical pickup, the beam shaping prism includes a first prism having an incident surface and a second prism having an inclined surface. Since a beam entering the beam shaping prism makes right angles with a beam emerging therefrom, it... | 01/22/2008 |
| 7319566 | Beam manipulation using sets of wedges Compact beam manipulators employ one or more Risley prism sets with or without a parallel plate translator. One beam manipulator contains a plate mounted to permit pitch and yaw adjustments and a prism set mounted to permit rotations. The rotations of the prisms adj... | 01/15/2008 |
| 7315380 | Laser interferometer for repeatable mounting on the wall of a vacuum chamber A laser interferometer is disclosed comprising a housing capable of being substantially repeatably mounted to a wall of an environmental chamber, the housing including a laser source, a reflector attached to an object located within the environmental chamber, and a ... | 01/01/2008 |
| 7307804 | Thermally stabile GRISMs Thermally stable GRISMs comprise a substrate and cover plate composed of a first material keeps the spatial frequency of the grating stable with temperature, and a prism composed of a second material having lower thermal coefficient of refractive index than that of ... | 12/11/2007 |
| 7304815 | Laser system A laser system and interferometer are disclosed comprising a laser source for generating a laser beam, and first and second adjustable elements wherein the first and second adjustable elements have limited rotational motion so rotation of the first adjustable elemen... | 12/04/2007 |
| 7286308 | Laser diode bar beam reformatting prism array Asymmetry of output beams from a laser diode bar is significantly reduced by internally reflecting the beams from an array of roof prisms positioned and oriented to rotate the cross-sectional shape of each beam by 90°. An elongated retro prism is positioned to rece... | 10/23/2007 |
| 7284782 | View adjustment method and view adjustment device for a vehicle A view adjustment portion includes a vertex at a position offset from a driver between a position opposed to the driver and a center position of the vehicle and includes right and left edges uniformly sloped down from the vertex toward each side in the vehicle width... | 10/23/2007 |
| 7278771 | Optical film A film for use with a backlit display has prismatic structure on one surface. The structures have a serpentine shape. The average periods and amplitudes of the serpentine shapes may be optimized to minimize moiré interference with the pixels of the display. ... | 10/09/2007 |
| 7262759 | Optical based performance improvement for an optical illumination configuration A system, method, and method of manufacturing directed to an optical device with an efficient optical illumination. The optical illumination can be provided by tilting a light source and using a refractive lens to direct the light onto a surface. Alternatively, the ... | 08/28/2007 |
| 7261687 | Forward scanning imaging optical fiber probe Probes, and systems and methods for optically scanning a conical volume in front of a probe, for use with an imaging modality, such as Optical Coherence Tomography (OCT). A probe includes an optical fiber having a proximal end and a distal end and defining an axis, ... | 08/28/2007 |
| 7253960 | Head-up display device with rotationally asymmetric curved surface A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curve... | 08/07/2007 |
| 7248415 | Optical deflector Provided is an optical deflector for deflecting radiation beams. The optical deflector includes: a peripheral region having a first effective refractive index; and a deflection pattern region having a predetermined shape and a second effective refractive index, wher... | 07/24/2007 |
| 7245798 | Apparatus for redirecting optical signals in free space Apparatus for redirecting a plurality of optical beams emanating from a respective plurality of optical transmitters arranged in a pattern along a first dimension and a second dimension. The apparatus comprises a plurality of refractive regions. Each refractive regi... | 07/17/2007 |
| 7239463 | Prism device and combined optical and radio frequency beam steering system A prism device includes: a prism material having substantially the same index of refraction at first and second wavelengths; a first anti-reflection coating for reducing reflection of a first signal beam at the first wavelength; and a second anti-reflection coating ... | 07/03/2007 |
| 7236299 | Compact periscopic beam director A periscopic beam director is disclosed. The periscopic beam director can be configured with a hemispheric field of regard, in a volume that minimizes external structure or dome size when mounted on a host vehicle (e.g., airplane or UAV). One embodiment combines a R... | 06/26/2007 |
| 7230761 | High-dispersion grisms A grism based upon a grating with a given line frequency is configured such that a design wavelength will undergo either a specific total bend angle, a zero-degree total bend without lateral displacement, or a zero-degree total bend with a lateral displacement. Each... | 06/12/2007 |
| 7225987 | Integrated scanner on a common substrate An integrated scanner for scanning a barcode is formed on a common substrate. The scanner may include a micro-machined mirror, a laser diode, and a detector, mounted on a single substrate or several connected substrates. Lenses can be used to focus a laser beam from... | 06/05/2007 |
| 7227688 | Apparatus for applying optical gradient forces An apparatus and method for manipulating small dielectric particles. The apparatus and method involves use of a diffractive optical element which receives a laser beam and forms a plurality of light beams. These light beams are operated on by a telescope lens system... | 06/05/2007 |
| 7224521 | Parcentric objective A parcentric objective is described, including an objective lens configured to receive an incident ray from a field of view and to translate the incident ray into a translated incident ray, the objective lens substantially aligned across an optical axis, and a wedge... | 05/29/2007 |
| 7206492 | Light guide plate and backlight module adopting the same A light guide plate (120) includes an incidence surfaces (121), an emission surface (123) adjoining the incidence surface, and a bottom surface (122) adjoining the incidence surface and being opposite to the emission surface. The light gu... | 04/17/2007 |
| 7201503 | Vehicular lamp including hemispherical translucent member with fan-shaped zones and lens elements A vehicular lamp including a translucent member 14 and a light-emitting element 12 with its front being covered by the translucent member 14; a plurality of lens elements 14s1 and 14s2 being formed on th... | 04/10/2007 |
| 7196854 | Complex optical element and method for manufacturing thereof A lens-laminated composite optical element composed of a vitreous optical element having a plane surface to perform inherent optical functions, and a thin and filmy transparent plastic lens portion molded in a curved lens profile and laminated on the plane surface o... | 03/27/2007 |
| 7181855 | Methods and devices for enhancing intensity of on-surface lines cast by laser line projectors or the like Given a situation where a projected laser line appears to have terminated or faded as it intersects with a work-surface (e.g., a wall), a fan-out redirecting means is used to capture and redirect energy radiating above and parallel to, or radiating away from the giv... | 02/27/2007 |
| 7180690 | Light condensing filter A light condensing filter has plural prisms formed on a surface of a flat substrate and on the opposite surface to the surface, and light from a light source is condensed by the plural prisms, wherein the plural prisms formed on the surface are designed in a linear ... | 02/20/2007 |
| 7177059 | Device and method for manipulation and routing of a metrology beam A lithographic projection apparatus is equipped with a device for manipulation and routing of at least one portion of a metrology beam of radiation. The device includes a first and a second optical wedge, wherein the second optical wedge and the first optical wedge ... | 02/13/2007 |