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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 |
| 8144269 | Reflective LCOS displays utilizing novel polarizing beam splitters Disclosed are display systems using reflective liquid-crystal microdisplays that efficiently use unpolarized light sources without needing to double the étendue of the source as occurs with conventional polarization conversion systems. Furthermore, the display syst... | 03/27/2012 |
| 8134771 | Spatial light modulators with changeable phase masks for use in holographic data storage A holographic data storage system that includes a write head that includes a pixellated spatial light modulator and a separate or integral phase mask that varies the phase depending on the location in the phase mask that light passes through. The phase variation can... | 03/13/2012 |
| 8134343 | Energy storage device for starting engines of motor vehicles and other transportation systems An energy storage device for storing energy for starting an internal combustion engine of a motor vehicle includes a DC-DC converter, a plurality of capacitors connected electrically to the DC-DC converter, and a housing for containing the DC-DC converter and the ca... | 03/13/2012 |
| 8130439 | Optics arrangements including light source arrangements for an active matrix liquid crystal generator A system for producing modulated lights disclosed. The system comprises a spatial light modulator including a light modulating medium switchable between different states so as to act on light in ways which form overall patterns of modulated light. The system also in... | 03/06/2012 |
| 8130185 | Active matrix liquid crystal image generator A system for producing spatially modulated monochrome or color light having gray scale includes an active matrix liquid crystal spatial light modulator having light modulating means including (i) a layer of ferroelectric liquid crystal material which is designed to ... | 03/06/2012 |
| 8123516 | Injection molding machine with melt distributing platen An injection molding machine is provided that allows the use of two conventional molds. The injection molding machine utilizes an injection material distributing platen having a first mold mounting surface and a second opposing mold mounting surface. A conventional ... | 02/28/2012 |
| 8107344 | Phase masks for use in holographic data storage A spatial light modulator (SLM) having a phase mask that is provided as an internal component thereof. The phase mask can be provided as a multilevel surface of relatively higher index of refraction material on an inner surface of a transmissive cover window or as a... | 01/31/2012 |
| 8093092 | Techniques for glass attachment in an image sensor package A low-cost wafer-level packaging (WLP) method for attaching glass to optical image-sensor devices on a semiconductor wafer in order to increase the yield of image-sensor modules during later steps of assembly. One embodiment relates to applications with image-sensor... | 01/10/2012 |
| 8085554 | Air inlet diffuser An air inlet diffuser 10 is disclosed for attachment relative to an air inlet opening 106 of an electronics enclosure 100. The diffuser 10 extends into the electronics enclosure 100 and provides an increased surface area through wh... | 12/27/2011 |
| 8027137 | Power filter Generally, a DC power filter and its associated components are presented herein. The DC power filter may operate in a telecommunications chassis between one or more electrical sources and one or more loads. A common mode noise shunt may be included to shunt noise fr... | 09/27/2011 |
| 8020902 | Integrated snap and handling feature An integrated snap and handling apparatus is provided. The apparatus may be capable of being assembled with and disassembled from a mating component without damage. The apparatus may include a pair of features that provide an intuitive and easy user interface for re... | 09/20/2011 |
| 8009143 | Tablet PC and method for keyboard containing the same A tablet computer is provided. The tablet computer includes: an electronic computing base having receiving portion; a liquid crystal display pivotally connected to the electronic computing base; a keyboard detached contained in the receiving portion and wirelessly c... | 08/30/2011 |
| 8005639 | Compact framework for automated testing A system and method (“utility”) for automated testing using a compact framework is provided. The utility includes a plurality of functionalities that include development of a test module, development of a test flow, and execution of a test flow. Each of these fu... | 08/23/2011 |
| 8000112 | Active snubber for transition mode power converter A transition mode power converter having an active snubber the operation of which is controlled using an auxiliary winding on the transformer of the power converter. In one embodiment, the power converter includes a transformer having a primary winding connected to ... | 08/16/2011 |
| 7982113 | Method for synchronizing at least one multimedia peripheral of a portable communication device, and corresponding portable communication device A method and device of synchronizing at least one multimedia peripheral of a portable communication device with a synthetic audio file include storing parameters in the portable communication device. The parameters include a list of preferred instruments. Informatio... | 07/19/2011 |
| D640191 | Energy storage device | 06/21/2011 |
| 7932875 | Microdisplay and interface on a single chip A microdisplay having interface circuitry on the same silicon backplane to allow it to receive digital images and video in a variety of formats and convert same to field sequential color signals for generation of full color images. It includes column data processors... | 04/26/2011 |
| 7929300 | Filter retention in electronics chassis An electronics assembly (48) is disclosed that utilizes a filter (24) within a plenum (50). The filter (24) may be electrically isolated from at least certain portions of the electronics assembly (48) by an electrical insulator ( | 04/19/2011 |
| 7911777 | Computer drive cage with integrated biasing elements A computer drive cage (10) includes a pair of side support panels (14) that are separated by a space (38) to accommodate receipt of one or more computer drives (86). At least one of these support panels (14) includes a computer dri... | 03/22/2011 |
| 7869830 | Wideband antenna system Generally, an antenna module includes a plurality of monopole antenna elements (e.g., 3 to 4 antenna elements) that can be coupled together by one or more switches to provide for a tunable, wideband antenna module. For example, the switches may change the overall le... | 01/11/2011 |
| 7867806 | Electronic component structure and method of making An external component, typically a surface mount passive, is attached to a semiconductor die. In some embodiments the passive is placed directly over exposed pads on the semiconductor die and attached using conductive tape or conductive epoxy. In some embodiments th... | 01/11/2011 |
| 7831401 | Power outage detection in a switched mode power supply Generally, a DC/DC converter and its associated devices and processes are presented herein. The DC/DC converter may be a switched mode converter that includes a plurality of switching devices that couple between the first and second power supply rails. A transformer... | 11/09/2010 |
| 7830624 | Laser bonding camera modules to lock focus A method for assembling lens modules using laser bonding of external ramped surfaces. The method includes providing a lens housing with a sidewall with ramped surfaces and providing a lens barrel with external ramped surfaces. The lens barrel is positioned in contac... | 11/09/2010 |
| 7826211 | Computer card retention device A computer card retention device (60) is disclosed. One or more latching sections (88) are mounted on and movable relative to a computer card retainer (62). Each latching section (88) may be moved between latched and unlatched positions. ... | 11/02/2010 |
| 7801552 | Suppression of near-field effects in mobile handsets Generally, the systems and methods presented herein relate to suppression of certain near field electromagnetic radiation. For example, filtering may be provided to suppress electromagnetic radiation about a speaker module of a mobile handset so as to make the hands... | 09/21/2010 |
| 7782629 | Embedding an electronic component between surfaces of a printed circuit board A pre-drilled hole, providing a passageway between an upper and a lower surface of a printed circuit board layer, receives a passive component, for example a resistor or a capacitor. In one embodiment the component is cylindrical, with an electrically conductive con... | 08/24/2010 |
| 7765847 | Modular power pack assembly Provided herein are pressure modules for use with die pressing operations for stripping work pieces from individual dies. The pressure modules include a top plate and a transfer plate that is separated by a resilient member that is compressed when a die set is close... | 08/03/2010 |
| 7764157 | Transformer The present invention relates to a transformer with a coil body accommodating at least one primary coil and one secondary coil. It is the object of the present invention to provide a transformer which, using the smallest possible amount of high-grade insulation mate... | 07/27/2010 |
| 7755570 | Microdisplay and interface on a single chip A microdisplay having interface circuitry on the same silicon backplane to allow it to receive digital images and video in a variety of formats and convert same to field sequential color signals for generation of full color images. It includes column data processors... | 07/13/2010 |
| 7746040 | AC to DC converter with power factor correction An input current shaping AC to DC converter with PFC front end that reduces input current harmonics is provided. In one embodiment, an AC to DC converter connectable with an alternating current source and operable to output a direct current has a PFC front end follo... | 06/29/2010 |
| 7733557 | Spatial light modulators with changeable phase masks for use in holographic data storage A holographic data storage system that includes a write head that includes a pixellated spatial light modulator and a separate or integral phase mask that varies the phase depending on the location in the phase mask that light passes through. The phase variation can... | 06/08/2010 |
| 7701714 | Liquid-air hybrid cooling in electronics equipment Provided herein are hybrid-cooled electronics chassis and boards. Such boards may be plugged in a chassis and connected to a common liquid-cooling loop shared by two or more of the boards inside that chassis. Liquid cooling conduits between the electronics board/mod... | 04/20/2010 |
| 7692932 | Resilient grounding clip in electronics chassis The devices and methods herein provide ground for computer cards inserted into a computer card chassis (e.g., VME chassis, CompactPCI chassis, ATCA chassis, etc.). A resilient clip may be configured with a chassis member of the computer card chassis. The clip is aff... | 04/06/2010 |
| 7688597 | Power supply circuit with three-dimensionally arranged circuit carriers, and production method The present invention relates to a power supply circuit comprising at least one transformer which is connected to a primary side circuit and to a secondary side circuit. The present invention further relates to a method for producing such a power supply circuit. To ... | 03/30/2010 |
| 7656768 | Phase masks for use in holographic data storage A spatial light modulator (SLM) having a phase mask that is provided as an internal component thereof. The phase mask can be provided as a multilevel surface of relatively higher index of refraction material on an inner surface of a transmissive cover window or as a... | 02/02/2010 |
| 7650173 | Combined antenna module with single output An antenna module on a vehicle having an antenna for receiving satellite radio signals and an antenna for receiving GPS signals. The two antennas may or may not be on a common ceramic substrate. Either of the two antennas may be a ceramic patch antenna or a helical ... | 01/19/2010 |
| 7649254 | Conductive stiffener for a flexible substrate A structure is disclosed for connecting an electrically-connectable metal stiffener to a ground connection within a flexible substrate, the stiffener comprising nickel-gold plated stainless steel. In one embodiment the stiffener is secured to the flexible substrate ... | 01/19/2010 |
| 7589978 | Air inlet diffuser An air inlet diffuser 10 is disclosed for attachment relative to an air inlet opening 106 of an electronics enclosure 100. The diffuser 10 extends into the electronics enclosure 100 and provides an increased surface area through wh... | 09/15/2009 |
| 7563130 | Cable management techniques for power converters A variety of arrangements for management of DC power cords in AC-to-DC power converters. These arrangements include a frame for wrapping the cord around, in which the AC power plug may or may not be pivotably attached to the frame. The AC-to-DC power conversion circ... | 07/21/2009 |
| 7545654 | Control circuit for current and voltage control in a switching power supply A control circuit and method for controlling the output voltage and/or the output current of a switching power supply. The control circuit includes a transformer with a primary-side and a secondary-side main winding and a primary-side switch for switching on and off... | 06/09/2009 |
