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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 |
| 6354559 | Instrument suspension system for preserving alignment A passive suspension system for supporting an instrument relative to a rigid support structure while preserving angular alignment of the instrument. The suspension system includes an instrument platform, the instrument being secured to the platform, and f... | 03/12/2002 |
| 5793538 | Solid catadioptric lens A solid catadioptric lens (10) includes substantially planar input surface (14), primary concave mirror 18, secondary convex mirror (22) and substantially spherical exit surface (24). The lens is composed of solid material (12) chosen according to the par... | 08/11/1998 |
| 5745518 | Explosively pumped laser apparatus An explosively pumped laser module has a concentrically-arranged laser rod and surrounding sleeve of explosive material with an annular gas chamber formed between the explosive sleeve and laser rod. An explosive initiation assembly surrounds the explosive... | 04/28/1998 |
| 5742340 | Ambient light automatic gain control for electronic imaging cameras and the like Apparatus that performs automatic gain control (AGC) for an electronic imaging camera, especially in outdoor surveillance applications. A fiber optic link is used to collect ambient light and couple this light onto a small portion of a light sensing array... | 04/21/1998 |
| 5737532 | System and technique for accessing stored audio and visual information from a database A method and system for providing video on demand from a database of textual information. In accordance with the inventive method, video data is stored on an addressable medium. The addresses for video segments are stored for retrieval when corresponding ... | 04/07/1998 |
| 5721680 | Missile test method for testing the operability of a missile from a launch site A missile is tested by first stimulating the performance of missile built-in tests that are stimulated in service by signals from the launch site, and which tests do not require internal access to the missile. If performance is satisfactory, no further te... | 02/24/1998 |
| 5712642 | Spatial power combiner using subharmonic beam position control An array antenna (10) that can form and sweep a predicted radiation beam pattern in different directions by using a subharmonic frequency signal from each voltage controlled oscillator (VCO) (20) to control the array phasing. Each VCO (20) generates a rad... | 01/27/1998 |
| 5688618 | Millimeter wave device and method of making A millimeter wave device having a dielectric substrate with a pair of substantially parallel planar surfaces with at least one predetermined millimeter wave circuit pattern formed in a conductive layer located on at least one of the substrate surfaces. A ... | 11/18/1997 |
| 5685504 | Guided projectile system A system for guiding the flight of a projectile to a target. The system comprises a tracking and guidance system, the projectile, and a projectile reference and control system that is part of the projectile. The tracking and guidance system includes a tar... | 11/11/1997 |
| 5677508 | Missile having non-cylindrical propulsion section A missile has a non-cylindrical fuselage over at least a portion of its length, with a non-cylindrical propulsion system contained within the non-cylindrical portion of the fuselage. The fuselage and propulsion system are preferably generally elliptical i... | 10/14/1997 |
| 5667881 | Integral thermoset/thermoplastic composite joint A prepreg thermoset sheet, ready to be cured, is molded with a preprocessed thermoplastic part to form an integral thermoset/thermoplastic composite joint. The composite produces a more robust access panel. The thermoplastic part is more damage tolerant a... | 09/16/1997 |
| 5665134 | Laser machining of glass-ceramic materials Rough machining of a glass-ceramic material article such as a radome is accomplished using a high-power Nd:YAG laser. The radome is rotated about its longitudinal axis, and the point of application of the laser beam is translated generally parallel to the... | 09/09/1997 |
| 5661980 | Thermally stabilized dewar assembly, and its preparation A dewar assembly has a wall contacting a liquefied gas within the interior of the dewar assembly. The dewar assembly is processed so as to remove the stable gaseous film boiling layer that is normally present between the liquefied gas and the wall. The pr... | 09/02/1997 |
| 5660355 | Angle only range estimator for homing missile Missile motion information from an inertial measurement set and the angle-to-target information from a seeker/sensor is used to estimate range and/or time to go on a homing missile without a direct measurement of range or range rate. Up to six comparisons... | 08/26/1997 |
| 5661487 | Digital center line filter A center-line filter for a radar receiver is a cascade of an analog filter and a digital filter. The purpose of the filter cascade is to filter out all but a single line of a pulsed spectrum. The signal is passed through the analog filter, and then over-s... | 08/26/1997 |
| 5652631 | Dual frequency radome A dual frequency antenna and radome system, including a dual frequency antenna system for operation at a first, higher frequency band and at a second lower frequency band. The antenna system includes a first antenna operable at the first frequency band an... | 07/29/1997 |
| 5650793 | Centered longitudinal series/series coupling slot for coupling energy between a boxed stripline and a crossed rectangular waveguide and antenna array employing same A centered longitudinal series/series coupling slot disposed between a boxed stripline and a crossed rectangular waveguide comprising a plurality of longitudinal radiating slots. The centered longitudinal series/series coupling slot is disposed orthogonal... | 07/22/1997 |
| 5651075 | Automated license plate locator and reader including perspective distortion correction An automated license plate locator and reader (10) which provides novel methods for 1) correcting for perspective distortion (16), 2) locating the license plate (20), 3) reading the license plate (22) and 4) improving the confidence rating of the output s... | 07/22/1997 |
| 5642867 | Aerodynamic lifting and control surface and control system using same An aerodynamic lifting and control surface comprising an external box structure that encloses an internal grid whose members are parallel to the box structure. The external box structure comprises four panels connected at their comers by spring hinges. Wh... | 07/01/1997 |
| 5621617 | Circuit card mounting system having a cylindrical housing and circular card locks Apparatus for housing circuit cards that comprises a cylindrical housing having an internal wall having a single diameter. First and second cylindrical heat sinks are provided that each comprise a sloped outer surface. The heat sinks are disposed such tha... | 04/15/1997 |
| 5619216 | Dual polarization common aperture array formed by waveguide-fed, planar slot array and linear short backfire array A common aperture dual polarization array that comprises a vertical polarization antenna array that provides for vertical polarization, and horizontal polarization antenna array that provides for horizontal polarization. The vertical polarization antenna ... | 04/08/1997 |
| 5619218 | Common aperture isolated dual frequency band antenna An antenna comprising a substrate, and low band and high band opposite sense spiral antennas formed on the substrate to provide for a common aperture isolated dual frequency band antenna. The high band spiral antenna is formed adjacent the center of the s... | 04/08/1997 |
| 5614896 | Method and system for aircraft weapon station testing A weapon station testing system for testing the mission readiness of an aircraft (10) having a plurality of weapon stations including a first weapon station (12a) and a second weapon station (12b) comprises a common electronics module (14) and a plurality... | 03/25/1997 |
| 5615305 | Neural processor element A neural processor element for use in a neural network includes a synaptic base weighting circuit which responds to an excitory input in the form of a stream of pulses of a first polarity which represents a sum of synaptic weights and an inhibitory input ... | 03/25/1997 |
| 5600332 | Wideband, low frequency, airborne vivaldi antenna and deployment method A wire antenna having a Vivaldi taper that is used to radiate or receive low frequency RF energy from or to an airborne platform. The antenna comprises two conducting wires that trail from the platform, and which comprise a radiator having a Vivaldi taper... | 02/04/1997 |
| 5590850 | Blended missile autopilot Blended missile autopilots for a missile employing direct lift and tail controlled autopilots coupled by way of a blending filter. The blended missile autopilots have movable tails aft of the center of gravity of the missile and side force thrusters or mo... | 01/07/1997 |
| 5582364 | Flyable folding fin A method and apparatus for flying a folding fin from a stored folded position on a flight vehicle housing to a deployed erect position, using available aerodynamic or fluid forces to control the fin deployment. The fin is erected in several stages. First,... | 12/10/1996 |
| 5583511 | Stepped beam active array antenna and radar system employing same A stepped beam transmit antenna that comprises a feed array that includes a dielectric substrate and a plurality of radiating elements disposed on the substrate. The radiating elements each comprise two coplanar and coextensive fins that are separated by ... | 12/10/1996 |
| 5581048 | Corrosion resistant electromagnetic shielding gasket A shielding gasket is disclosed which may be installed between a door panel and an enclosure containing electronic equipment therein, the shielding gasket providing excellent electromagnetic shielding effectiveness in the space between the door panel and ... | 12/03/1996 |
| 5579008 | Electronic license plate apparatus and method Apparatus and method for conveying information from an object by delayed reflection of an interrogating ultra-high range resolution radar signal which is digitized into a series of programmable spaced pulses by an electronic license plate circuit. The ele... | 11/26/1996 |
| 5564278 | Thermally stable cryostat A short-term thermally stable cryostat (40). The cryostat (40) pre-cools an incoming high-pressure gas, converts the gas to a cold liquid, and cools an item by allowing the liquid to acquire heat from the item and boil into an exhaust gas, while maintaini... | 10/15/1996 |
| 5554994 | Self-surveying relative GPS (global positioning system) weapon guidance system Disclosed is a self-surveying relative GPS (Global Positioning System) weapon guidance system (10). This guidance system (10) includes multiple GPS satellites (12-18) which transmit GPS data to a ground sensor (20). The ground sensor (20) includes a GPS r... | 09/10/1996 |
| 5552793 | Self calibrated act pulse compression system A self-calibrating pulse compression system which is able to optimally compress a chirped waveform notwithstanding variations in the chirped spectrum due to changes in transmitter characteristics or other factors. In a most general sense, the inventive pu... | 09/03/1996 |
| 5548963 | Joule-Thompson cryostat for use with multiple coolants A demand-flow Joule-Thomson cryostat 10' adapted for use with multiple coolants uses a replaceable coolant supply reservoir 21' to fill a coolant flow control bellows 17' within the cryostat with the same coolant used to provide refrigeration to the therm... | 08/27/1996 |
| 5549925 | Hybrid microcircuit glass-to-metal seal repair process A process for repairing leaking glass-to-metal seals of a hybrid microcircuit header. The process comprises the following steps. A leaking hybrid microcircuit header is delidded (has its lid removed). The leaking hybrid microcircuit header, generally with... | 08/27/1996 |
| 5549781 | Coil winding apparatus incorporating a flexible winding flange An apparatus for winding a coil pack of a fiber such as an optical fiber winds the fiber as a radial coil, and then joins the coil axially to previously wound coils. Each radial coil is wound on a flexible flange that is deformable from a first tapered sh... | 08/27/1996 |
| 5545511 | Millimeter wave device and method of making A millimeter wave device having a dielectric substrate with a pair of substantially parallel planar surfaces with at least one predetermined millimeter wave circuit pattern formed in a conductive layer located on at least one of the substrate surfaces. A ... | 08/13/1996 |
| 5542333 | Undersea vehicle ejection from capsules An undersea vehicle storage and ejection system includes a capsule having a cavity therein adapted to store and launch a vehicle. The capsule has an opening at one end for passage of the vehicle therethrough. A closure member is suitably adapted to be mat... | 08/06/1996 |
| 5543810 | Common aperture dual polarization array fed by rectangular waveguides A dual polarization array that comprises horizontal polarization and vertical polarization arrays, combined with an efficient waveguide-fed standing wave feed array. The vertical polarization array comprises an offset, resonant, iris-fed, centered longitu... | 08/06/1996 |
| 5537928 | Piggyback bomb damage assessment system An autonomous bomb damage assessment system that is piggybacked to a bomb to provide imagery of a bombed area immediately after bomb delivery. The bomb damage assessment system comprises a housing that is releasably secured to the bomb. An imaging system ... | 07/23/1996 |
