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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 |
| 7532957 | Method and apparatus for controlling the operation of wheel electronics associated with a vehicle wheel A device and a method control the operation of an electronic wheel unit that is allocated to a vehicle wheel. The method includes recording data relating to the operating conditions of the wheel using at least one condition recording unit and/or recording data relat... | 05/12/2009 |
| 7532699 | Nuclear facility and method for operating a nuclear facility A nuclear facility contains a flood tank, which is provided for holding a cooling liquid, a condensation chamber, and an overflow device, which leads from the flood tank to the condensation chamber and which serves to discharge excess cooling liquid. The overflow de... | 05/12/2009 |
| 7532608 | Electronic anti-theft system with correlated transmit/receive antennas An electronic anti-theft system and an operating method have transmit/receive antennas of different frequencies that are electrically correlated with one another. The data communication of access code signals takes place at least partially via shared signal paths. A... | 05/12/2009 |
| 7532406 | Device for homogenizing light A device for homogenizing light has at least two cylindrical lens arrays which are placed one behind the other in a direction of diffusion of the light to be homogenized and which each have convex and concave cylindrical lenses disposed next to one another in an alt... | 05/12/2009 |
| 7532095 | Apparatus for remotely actuating a manual actuator of a circuit breaker An apparatus for remotely actuating a circuit breaker with two stable positions corresponding to a switch-on position and a switch-off position, has a drive mechanism with an electric motor. The apparatus further has first and second switches for switching the motor... | 05/12/2009 |
| 7531020 | Heat sink made from diamond-copper composite material containing boron, and method of producing a heat sink A heat sink that is particularly suitable for semiconductor components is made from a diamond-containing composite material. In addition to a diamond fraction amounting to 40-90% by volume, the composite material also contains 7 to 59% by volume copper or a copper-r... | 05/12/2009 |
| 7530447 | Device for effecting the positionally accurate conveyance of flat-articles to be sorted to an input device for a sorting conveyor A device for effecting the positionally accurate conveyance of flat articles to be sorted to an input device for a sorting conveyor has a draw-off unit and a feed unit. The draw-off unit periodically separates the flat articles to be sorted, and feeds them in separa... | 05/12/2009 |
| 7528704 | Method and device for preventing injuries and material damage caused by motor vehicle doors The invention relates to the prevention of injuries and material damage caused by doors (2) of stopped and/or parked motor vehicles (1) by means of at least one camera (4) which monitors the exterior (3) of, especially the space next to a... | 05/05/2009 |
| 7527666 | Honeycomb body with fissured end sides A honeycomb body includes an inlet end side and an outlet end side. Metal sheets are wound, intertwined and/or layered into a multiplicity of sheet metal layers being at least partially structured to form channels leading from the inlet end side to the outlet end si... | 05/05/2009 |
| 7527452 | Tamping tine for a tamping machine Hardened metal inserts are inserted in a tine plate of a tamping tine for tamping ballast of a railroad track. The cylindrical inserts have a boundary surface bordering on a side surface of the tine plate, thus forming a part thereof. Owing to that configuration, th... | 05/05/2009 |
| 7527257 | Method and device for lifting individual flat objects, particularly printing plates to be exposed A method for lifting individual flat objects from a stack of objects includes providing at least two suction elements spaced apart from one another for lifting a respective object, alternately lifting the respective objects with the suction elements, and either forc... | 05/05/2009 |
| 7527251 | Non-helical torsion spring system A non-helical torsion spring system includes an arm to be connected to a load, such as a frame or chassis of a vehicle, and at least one ring to be connected to a moving member, such as a vehicle suspension member. Torsion elements, which may be disposed in concentr... | 05/05/2009 |
| 7526932 | Cable lock A cable lock which is simple, functionally reliable and can be produced economically, includes a housing with a through-passage for a cable and a clamping element deflected laterally in a locking position from a cable being inserted there and blocked against giving ... | 05/05/2009 |
| D591693 | Control elements for an electrical device | 05/05/2009 |
| 7525783 | Monitoring method for an actuator and corresponding driver circuit The invention relates to a monitoring method for an actuator (CP), in particular for a piezoelectric actuator (CP) on an injection valve for an internal combustion engine, comprising the following steps: measurement of the electrical current (iR1), flowing th... | 04/28/2009 |
| 7525447 | Emergency vehicle alert system A traffic entity, such as a passenger car, is warned that a situation requiring the change of driving mode will be required. The traffic entity is alerted to the presence of a second traffic entity, such as an emergency vehicle which requires the moving traffic enti... | 04/28/2009 |
| 7525416 | Device, vehicle and method for detecting a collision of an object on a collision location detection region of a vehicle The device includes a first and a second structural parameter for a first or a second hollow body. At least one of the parameters changes along the collision location detection region in such a way that the quotient and/or the difference between the two signals of t... | 04/28/2009 |
| 7525062 | Capacitive proximity and/or contact sensor and electrically conductive plastic body for such a sensor A capacitive proximity and/or contact sensor has an electrically conductive plastic body, which is disposed between an electrically insulating cover plate and an electrically conductive contact surface of a carrier plate disposed at a distance therefrom. The contact... | 04/28/2009 |
| 7525040 | Electrical power transmission device having a phase conductor and an encasing conductor An electrical power transmission device has a phase conductor and an encasing conductor. The phase conductor is used for transmission of an electrical power flow. The encasing conductor is divided into a plurality of sections, and the sections are connected by way o... | 04/28/2009 |
| 7523747 | Method and system for liquid fuel conditioning A fuel is conditioned in a fuel supply system for more efficient combustion in a combustion chamber. The conditioning system includes a fuel vessel for fuel conditioning, at least one fuel dispersing nozzle mounted for discharge into the fuel vessel, at least one ga... | 04/28/2009 |
| 7523707 | Machine and method for welding rails of a track A machine for welding the rails of a track includes a rail pulling device that grips the rail ends and pulls them together so that they can be welded to one another. Two rail clamps provided for gripping the rails are fastened to the rail pulling device. The rail cl... | 04/28/2009 |
| 7523642 | Method and device for determining the fractions of lubricants emitted into the atmosphere in coolant processes A method for determining fractions of coolants emitted into the atmosphere in processes using coolants, in particular in the metal processing industry. Here, samples of the atmosphere polluted with fractions of coolants in droplet and vapor form are fed to an evapor... | 04/28/2009 |
| 7523015 | Field device A field device for monitoring an operating state of an electrical engineering installation, in particular a transformer substation or a switching substation, having an evaluation device, which evaluates input signals, which are present on the input side and relate t... | 04/21/2009 |
| 7522281 | Apparatus and method for detecting moisture in a printing plate exposer In temperature-controlled printing plate exposers, it is possible for condensation of dampening solution or moisture to occur in a region of printing plates or laser apparatus. In this way, imaging of printing plates can be impaired and/or the laser apparatus can su... | 04/21/2009 |
| 7521665 | Sensor system, sensor element, and method with a light sensor and an electrical sensor for monitoring a closing mechanism In order to be able to reliably detect when an object is caught between two parts which move in relation to one another in a motor-driven closing mechanism, in particular in an electromotively driven window winder system, provision is made for the sensor system to h... | 04/21/2009 |
| 7521132 | Coated tool A tool consists of a base material selected from cemented carbide, tool steels, cermet, or hard materials, and a coating of two or more layers. At least one coating layer has the composition Ti—Al—Ta—N and at least one further coating layer has the composition... | 04/21/2009 |
| 7520953 | Process for producing moldings of expanded graphite, process for conducting, exchanging or storing heat using moldings and process for producing a heat storage device A process for the production of moldings of compressed expanded graphite includes producing three-dimensional moldings of compressed graphite expandate by bonding together two-dimensional pre-formed pieces of pre-compressed expanded graphite under the influence of p... | 04/21/2009 |
| 7520529 | System and method for detecting the seat occupancy in a vehicle Disclosed is a system for detecting seat occupancy in a vehicle, comprising a microwave transmitter and several reflectors which are provided with a small area and are disposed within a vehicle seat, especially within the backrest of the vehicle seat. A greater or s... | 04/21/2009 |
| 7519495 | Method and device for executing method steps A device and a method for executing method steps wherein an output signal is produced. Dependent on whether an output mode is switched on, the output signal is outputted. The output signal comprises items of information concerning the environment wherein the output ... | 04/14/2009 |
| 7518497 | Wheel unit for providing data In order to determine the tire positions or wheel positions automatically while the vehicle is in operation, the attenuation along a transmission path from the tire to a fixed position on the vehicle is measured and compared with stored values. Systems of this kind ... | 04/14/2009 |
| 7518334 | Method and device for controlling a brushless DC motor A method and a control device for a brushless DC motor, which has an AC/DC inverter supplied by an intermediate direct voltage circuit for feeding the DC motor, a pattern generator for controlling switches of the AC/DC inverter having a variable frequency and phase ... | 04/14/2009 |
| 7518098 | Optoelectronic dust sensor device The invention is based on a sensor device having at least one transmitter unit situated inside a sensor body, a receiver unit associated with the transmitter unit and situated inside the sensor body, and an end face that is situated between the transmitter unit and ... | 04/14/2009 |
| 7517722 | Method of producing a universal semiconductor housing with precrosslinked plastic embedding compounds An electronic component and a blank have plastic embedding compounds of a first and a second plastic layer. Semiconductor chips are embedded in the first plastic layer in such a way that their marginal sides are surrounded by a bead. The second plastic layer compens... | 04/14/2009 |
| 7516952 | Feeder for a punching of embossing apparatus and method of operating the apparatus A feeder is provided for a punching or embossing apparatus. The feeder has a configuration for feeding sheets from a multiplicity of stacks. The stacks are disposed next to one another in the transport direction. In a method for punching or embossing sheets using a ... | 04/14/2009 |
| 7516809 | System and method for occupant detection and classification in motor vehicles In an occupant detection or classification system for a motor vehicle, a sensor mat (2) measures the pressure or pressure distribution on a seating surface. A control unit (4) receives the signals from the sensor mat (2) representing an occupanc... | 04/14/2009 |
| 7516761 | Flow rectifier for an air mass sensor The invention relates to a mass tube (1) for an air measuring sensor (3) comprising a metal grid (4) acting as a flow rectifier arranged perpendicular to the air flow (2). At least two fixing elements (5) are arranged on the measur... | 04/14/2009 |
| 7516690 | Firearm suppressor, mounting system and mounting method A firearm suppressor includes a housing to be mounted to a firearm. The housing defines a lumen therein for receiving gases from the firearm. At least one stripper member is disposed in the lumen for engaging and deflecting the gases. At least one one-way flow eleme... | 04/14/2009 |
| 7516664 | Method for the ultrasound testing of a workpiece within a curved region of its surface and device suitable for the execution of the process In a method for the ultrasonic testing of a workpiece (2) in a curved area of its surface, in particular of a workpiece (2) made of a fiber composite material, an ultrasonic test head (10) is acoustically coupled to the workpiece in this area, a... | 04/14/2009 |
| 7515399 | Device for current distribution In order to render possible a compact means for power distribution and fuse protection on the basis of a printed circuit board, the apparatus has a multiple fuse arrangement which comprises a plurality of fuses and is connected to a plurality of output contacts. Fur... | 04/07/2009 |
| 7515347 | Device and method for varying an electromagnetic radiation field in the optical spectral region, particular in a laser radiation field A device for altering an intensity distribution of a laser radiation field contains two substrates with differing refractive indices and with two opposed, mutually corresponding optical functional boundary surfaces, which are at least partly curved. The laser radiat... | 04/07/2009 |
