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 |
| 6914556 | Method and apparatus for magnetron coherence A pulsed magnetron is caused to emit a series of RF energy pulses which are phase coherent with an injection signal by supplying the magnetron with a pedestal pulse during low-power signal injection. The pedestal being of a magnitude and duration such that the slow-... | 07/05/2005 |
| 6753802 | Null filter An electronic circuit for use in an anti-radiation missile system of the type which uses the electromagnetic transmissions of a target radar for guidance information, detects when the missile has flown into a target null and is no longer receiving energy from one of... | 06/22/2004 |
| 4755829 | Space power combiner An antenna array for combining in space microwave energy from a number of cillators, such as IMPATT diodes, which are controllable by injection locking. The array has elements individually driven by the oscillators, but an injection locking signal is prov... | 07/05/1988 |
| 4754040 | Method of preparing an explosive compound A method of preparing 4,6-dinitro-5,7-diaminobenzofuroxan from 4,6-dichloenzofuroxan.... | 06/28/1988 |
| 4747673 | High power optical attenuator An attenuator for high power laser beams, the attenuator has an annular b dump through which the beam passes diametrically and in which the beam passes successively through a pair of pivoting transmissive and reflective element. These elements are indivi... | 05/31/1988 |
| 4738412 | Air stabilized gimbal platform A sensor is disposed within a missile housing upon a mount that permits the ensor to pivot about a first axis, orthogonal to a longitudinal axis of the missile, and about a second axis orthogonal to the first axis. A first set of opposing fins is disposed ... | 04/19/1988 |
| 4736175 | Polarized rotary solenoid A rotary solenoid providing opposite direction pivotal movement on opposite olarity d.c. energization. The solenoid has a pivoting shaft from which a permanent magnet armature having ends of opposite magnetic polarity extends transversely and oppositely. T... | 04/05/1988 |
| 4736439 | Image preprocessing by modified median filter Preprocessing of a noisy image, such as is obtained by a raster scan, by tracting the median of the pixel values of one or more lines from the medians of predetermined pixel neighborhoods.... | 04/05/1988 |
| 4729317 | Concentric layer ramjet fuel An air-breathing solid fuel rocket motor containing a solid fuel ramjet gn having a plurality of concentric layers of solid fuel which provide a means of controlling the thrust of the motor.... | 03/08/1988 |
| 4728682 | Metal ternary sulfides Metal ternary sulfides of the general formula MM'2 S4 are synthesized by introducing stoichiometric amounts of nitrate precursors in concentrated nitric acid and heating to approximate dryness to yield a homogeneous powder mixture. T... | 03/01/1988 |
| 4719120 | Detection of oxygen in thin films A method for determining the presence, during deposition of a first thin m layer, of a substance which escapes when the layer is cooled and transferred from its deposition environment for analysis to determine the presence of the substance. The layer is ... | 01/12/1988 |
| 4706568 | Chemiluminescent marking warhead A plurality of chemiluminescent light sources are expelled from a housing an explosive charge in such a manner as to activate and provide a marked area.... | 11/17/1987 |
| 4675414 | Maleimidomethyl-carbonate polyethers Aliphatic polyethers having at least two N-methylmaleimide groups chemica joined thereto by a carbonate linkage are provided and a method for making such compounds. The hydroxy-terminated aliphatic polyether, such as polypropylene glycol, is initially re... | 06/23/1987 |
| 4663074 | 2-substituted oxazolo [4,5-b] pyridine laser dyes Laser dyes of the class of 2-substituted oxazolo [4,5-b] pyridines which lase when flashlamp or nitrogen laser pumped.... | 05/05/1987 |
| 4661987 | Video processor A method and processor for varying the size of a digitized video image in bstantially two video frame times by transforming successive lines of the image along one axis and then transforming successive lines of the image along the other axis.... | 04/28/1987 |
| 4655969 | Chemiluminescent systems Chemiluminescent mixtures utilize mono and di-alkyl substituted 9,10-bis(phenylethynyl)anthracene derivatives to provide higher chemiluminescence efficiencies. The preferred fluorescers are 2-ethyl-9,10-bis(phenylethynyl)anthracene and 1,4-dimethyl-9... | 04/07/1987 |
| 4654278 | Thermal cell non-deflagration design A thermal battery cell with a fiberglass wrapping and facial pressure as a eans for wetting the calcium anode to prevent deflagration or flashing using either a homogeneous LiClO4 and AgNO3 electrolyte or a non-homogeneous electrolyte... | 03/31/1987 |
| 4653690 | Method of producing cumulus clouds The disruption of a thermal inversion and formation of cumulus clouds is duced by the ignition of a pyrotechnic composition containing an alkali earth metal. The combined heats of hydration, condensation and combustion of the composition disrupt the ther... | 03/31/1987 |
| 4648321 | Missile separation system A missile separation system for fixedly attaching a rocket motor section a payload section has cofunctioning attaching and retarding means integrated to retain plural sections of a missile system in mated relationship until a predetermined point in the ... | 03/10/1987 |
| H213 | Disiccant plug for missile launcher A desiccant containing plug for insertion through a launcher tube into a sle containing tube which is coaxially received in one end of the launcher tube. The plug has a perforate end which extends into the container tube and which is circumscribed by a h... | 02/03/1987 |
| 4638508 | Portable FLIR beacon An optical signal having construction and components and employing relatiy long wavelength radiation. An aspheric lens and waveguide laser provide long range capability with low power requirements making battery operation practical.... | 01/20/1987 |
| 4637864 | Electrochemical synthesis of ternary phosphides This invention comprises a method of synthesizing ternary phosphide compos of the general formula M(II)M(IV)P2 by fused salt electrolysis in which a melt powder mixture containing phosphorus compounds is introduced into an electrolytic apparat... | 01/20/1987 |
| 4634962 | Phase noise analyzer A phase noise analyzer uses a microwave section to produce a standard reference voltage which is filtered by a sequenced pair of frequency agile filters. The filter output is fed to an indicator which is calibrated to the desired units.... | 01/06/1987 |
| 4632889 | Lithium composite anode An elemental lithium-lithium alloy composite anode capable of high current ensity discharge for battery applications.... | 12/30/1986 |
| 4633503 | Video zoom processor A video zoom processor digitally processes video imagery information in a simultaneous two-dimensional format. Size and position transformation factors are incorporated in the image via processing. The size specification delay for the reduction factor is ... | 12/30/1986 |
| 4626764 | Photovoltaic battery charge controller A voltage regulator is disclosed for a photovoltaic panel (PVP) battery cging system having a relay switch in series with a reverse current blocking diode disposed between the positive terminals of the photovoltaic panel and the battery to be charged. A ... | 12/02/1986 |
| 4626383 | Chemiluminescent system catalysts Catalysts for low temperature hydrogen peroxide/oxalate ester fluorescer miluminescent systems are disclosed. Lithium carboxylic said salt catalysts which lower the activation energy of the reaction and also reduce the temperature dependence of the light... | 12/02/1986 |
| 4626611 | Short duration thermoelectric generator A thermoelectric generator having both a hot and a cold heat sink. Fast r times, and stable output voltages for short duration, are accomplished using fluids at their melting points at the hot and cold junctions.... | 12/02/1986 |
| 4624753 | Method for electrodeposition of metals A method for the electrodeposition of metals utilizing non-aqueous nitrate-amide melts as room temperature ionic liquids.... | 11/25/1986 |
| 4624573 | Total optical loss measurement device The total optical loss caused by laser induced damage to an optical component is measured by monitoring the phase shift during mirror reflectance or transmission. The phase shift is directly proportional to the amount of loss. A secondary laser illuminate... | 11/25/1986 |
| 4624754 | Ionic liquid compositions for electrodeposition An ionic liquid composition for the electrode position of metals and more particularly to compositions using non-aqueous organic electrolytic solutions.... | 11/25/1986 |
| 4624755 | Preparation of ionic liquids for electrodeposition A process for the preparation of a non-aqueous ionic liquid melt comprising a solvent which is composed of one or more amides or imides, an electrolyte that contains one or more nitrate salts and an anhydrous metal nitrate or metal halide.... | 11/25/1986 |
| 4614403 | Spherical section optical mount A two axis adjustable optical mount capable of lock down after alignment is rovided by a dual ring arrangement which represents a segment of two concentric spheres. An optical element such as a lens or mirror is held within an inner ring by a retaining rin... | 09/30/1986 |
| 4614800 | Synthesis of cyclic dinitramines useful as explosive and propellant ingredients, gas generants and in other ordnance applications A new one-step synthesis of cyclic 1,3 dinitramines is disclosed. This syesis utilizes a solution of N2 O5 in 100% nitric acid as the nitrolyzing media. The polynitramines thus produced find utility as explosive and propellant ingre... | 09/30/1986 |
| 4609888 | Direction finding antenna interface A microwave direction finding antenna interface is disclosed which is cape of operating over multioctave bandwidth with an upper frequency limit exceeding forty gigahertz. The antenna, feed circuit/transformer and arithmetic network have non-interrupted ... | 09/02/1986 |
| 4601344 | Pyrotechnic fire extinguishing method A gas generating composition containing glycidyl azide polymer and a high trogen content additive selected from the group consisting of guanylaminotetrazole nitrate, bis(triaminoguanidinium)5,5'azotetrazole, ammonium 5-nitraminotetrazole and high bulk den... | 07/22/1986 |
| 4600536 | Explosive compound A new polynitro compound pentanitrophenyl azide is disclosed, and a method of preparation is disclosed wherein hexanitrobenzene is reacted with sodium azide. This new polynitro compound is useful as an explosive.... | 07/15/1986 |
| 4597639 | Dielectric air-interface plasma optical power limiter Optical devices which reduce the risk of damage by high energy laser pulses re made by applying particles to the surface of optical components. The particles serve as plasma initiation sites. The particles are made of material capable of producing large nu... | 07/01/1986 |
| 4593113 | Synthesis of transition metal dithiene complexes The preparation of transition metal dithiene complexes is disclosed. By the process improved yields of the metal dithiene complexes are realized by substituting highly polar aprotic solvents such as N-methylpyrrolidinone or high boiling point solvents suc... | 06/03/1986 |
| 4593317 | Moving scene display for passive radiation-wave imaging system A system which processes analog signals from millimeter wave sensing system nto digital words in an organized manner which are then stored into a data memory representing the pixels in the wave images. The pixels are read out at a rate and format to a stan... | 06/03/1986 |