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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 |
| 7430491 | Tractor-trailer having self-contained apparatus on-board tractor for estimating trailer weight A method and system for estimating weight of a trailer (10) being towed by a tractor (22) along a generally horizontal underlying surface. A portion of the trailer weight is borne on the tractor fifth wheel (26) and the remainder by rear wheels ... | 09/30/2008 |
| 7343359 | Franking machine having a retrofittable weighing device A franking machine has a housing with at least a first housing part which is configured such that a retrofittable weighing unit can be fitted therein. The first housing part defines a recess in the housing. The recess is configured such that the weighing unit can be... | 03/11/2008 |
| 7337580 | Weight change indicating apparatus An apparatus for use under an object utilizes a weighing mechanism and an adjustable indicating system for monitoring weight change. The apparatus may be particularly adapted for monitoring soil moisture level in a pot holding houseplants. The apparatus provides a g... | 03/04/2008 |
| 7321859 | Billing system and method for determining transportation charges for packages A billing system for determining package transportation charges. The billing system includes a reader to read a package identifier associated with said package and the reader generates a package identifier signal and transmits the same to a microprocessor. The billi... | 01/22/2008 |
| 7311012 | Elongation measuring device An elongation measuring device 10 measures an elongation in a timing belt 4 included in a driving device 1 provided with a drive roller 2. The elongation measuring device 10 is provided with an encoder 11 and a microphotosen... | 12/25/2007 |
| 7292951 | Systems for compensating for creep and hysteresis in a load cell A method of compensating for hysteresis in a load cell, by: (a) pre-calibrating a load cell by: measuring load cell deflection under progressively increasing loads; determining a first set of coefficients correlating the deflection of the load cell to the measured l... | 11/06/2007 |
| 7276669 | Payload overload control system A work machine may have a payload overload control system. The system may include a payload carrier and a lift mechanism configured to raise and lower the payload carrier. The system may further include a payload monitor configured to determine a payload in the payl... | 10/02/2007 |
| 7250738 | Nonlinear hysteresis control system A nonlinear hysteresis control system for controlling an actuator with nonlinear hysteresis effect is disclosed. An improved extended hysteresis effect profile further stores the displacement when a applied voltage of the actuator is from 0 voltage to a specific vol... | 07/31/2007 |
| 7239724 | Security identification system and method An identification system (10) of the present invention is used at airport terminals, bus stations, government buildings, and the like. The identification system (10) includes a controller (26), a pair of spaced stations or checkpoints (12, 14... | 07/03/2007 |
| 7211748 | Force measuring system having several force-measuring cells and a circuit calculating a total signal A force measuring system with at least two load cells (1, 2), which detect and convert partial forces of the force to be measured into a digital output signal, and with an electronic circuit (5), which calculates a total signal from the output signals ... | 05/01/2007 |
| 7202424 | Balance control system for weight scales The present invention is directed to a weight scale having a balance control system that detects unequal load distribution to the scale's load sensors and produces an output signal that enables the user to re-distribute weight until a predetermined level of balance ... | 04/10/2007 |
| 7186930 | Buttonless household scale A digital scale includes a display screen and a buttonless top platform. A controller is operatively associated with the display screen and the platform. Contact with the scale platform alone allows a user of the scale to power the scale, determine a mode of operati... | 03/06/2007 |
| 7162459 | Method and system for estimating weights of mailpieces A weight estimating system for estimating the weight of a mailpiece and a postage metering system including such a weight estimating system. The weight estimating system includes a measuring system, a diverter mechanism and a microprocessor system. The measuring sys... | 01/09/2007 |
| 7129424 | Multi-filter The present invention relates to a method for weighing items and in particular to a method of filtering signals representing the weight of an item. The invention is applicable in all measuring instruments which indicate an average value calculated from a signal whic... | 10/31/2006 |
| 7126065 | Weighing scale adapted for allowing a user to find an optical weighing position on the scale A weighing scale having a display and processor for determining and identifying the optimal position coordinates for a load placed on the weighing scale includes a platform and a plurality of support assemblies, each containing a load cell for receiving the weight o... | 10/24/2006 |
| 7122750 | Dual display weight measuring apparatus A mechanical weighing scale having mechanical parts driving a pointer rotating around a fixed disc or dial having slots or holes formed therein. The mechanical pointer operates to provide an analog display of one's weight to the user. An optical sensor system is res... | 10/17/2006 |
| 7107832 | Measurement device with a support plate mounted on measurement cells and intended for a person to stand on A measurement device with a support plate (1) mounted on measurement cells, and with a display device for displaying a force action line (7) for a person standing on bearing surfaces (10, 10′) of the support plate (1), permits monitorin... | 09/19/2006 |
| 7100439 | Balance control system for weight scales The present invention is directed to a weight scale having a balance control system that detects unequal load distribution to the scale's load sensors and produces an output signal that enables the user to re-distribute weight until a predetermined level of balance ... | 09/05/2006 |
| 7098410 | Weighing module for weighing on the fly A weighing module comprising a weighing platform incorporating a weighing cell and a motorized drive belt for transporting a mail item from one side to the other of the weighing platform, means for sensing the format of said mail item and processing means for calcul... | 08/29/2006 |
| 7040455 | System and method for tracking items at a scale of a self-checkout terminal A system tracks items in the checkout area of a self-checkout terminal to reduce the likelihood of fraud in item substitution. The system includes a plurality of weight sensors operatively coupled to a checkout area for sensing a distributed weight of an item placed... | 05/09/2006 |
| 7041914 | Method for compensation of near-neighbor sample effects in a NMR check weighing system A method (10) for reducing or eliminating the effects of proximate samples on the NMR measurement of the mass of a test sample in a NMR check weighing system (24) for samples on a production line. The test sample is in a container (22) on a prod... | 05/09/2006 |
| 7009119 | Weight scale control system and pad The present invention is directed to a weight scale having a control system that prompts users for their identity and then displays any one or more of: present weight, past weights, target weights and/or the differences therebetween, as well as a graphical represent... | 03/07/2006 |
| 6928853 | Method and device for the hysteresis correction of measured values for sensors with extensometers A transducer including a deformation body with a strain gage produces hysteresis-affected measured values based on the strain of the deformation body. Each measured value is to be corrected by the hysteresis error. For this purpose, a hysteresis model is formed from... | 08/16/2005 |
| RE38744 | Electric balance for correcting misloading thereof In an electronic balance for loading having a balance scale (3) weighing system, display (19), control keyboard (21 to 26) and a digital processing electronic circuitry in which circuitry at least one memory is present for the weighed val... | 06/21/2005 |
| 6898549 | Automated systems for weighing and/or liquid delivery An automated weighing station is provided which is advantageous for automatically weighing samples generally disposed in containers in an array of racks. The weighing station comprises a sample handling assembly which is operably connected to a balance, allowing a m... | 05/24/2005 |
| 6844506 | Measuring apparatus with user profile A measuring apparatus, for instance an analytical balance, can set parameter values for performing specific measuring tasks and/or for effecting communication with an operating person. Sets of such parameter values are stored as profiles. The measuring apparatus is ... | 01/18/2005 |
| 6839694 | System and method for weighing items such as mailpieces in the presence of external vibration A system and method for weighing of items such as mailpieces in the presence of external vibration such as ground noise. The system includes a scale system having a platform connected to a load cell, which provides an output signal to an analog-to-digital converter.... | 01/04/2005 |
| 6725206 | Cashierless shopping store and components for use therein A cashierless shopping store includes a plurality of shopping carts into which selected items to be purchased are placed by shoppers. Each of the shopping carts includes a weight detector to measure the weight of items placed therein and a transmitter to transmit th... | 04/20/2004 |
| 6712221 | Method and apparatus for weight controlled portioning of articles having non-uniform weight A batching of currently supplied articles with non-uniform weights into portions of a uniform target weight is effected by passing the articles through a weighing station (6, 8) to a distribution system (12), in which the articles (4) are select... | 03/30/2004 |
| 6640158 | Filling apparatus with feed diverter An apparatus for packaging solid particulate material is described that includes a deflectable, curved weigh pan with a given radius of curvature to receive a continuous flow of material and discharge the material along a first discharge pathway, the radi... | 10/28/2003 |
| 6608260 | Planetary weigh scale A body weigh scale that displays a user's weight in a gravity system other than where the scale is being used, such as a planet, the sun, the moon, or another celestial body. The body weigh scale includes a conversion component that converts the user's we... | 08/19/2003 |
| 6539334 | Automated weighing station An automated weighing station is provided which is advantageous for automatically weighing samples generally disposed in containers in an array of racks. The weighing station comprises a sample handling assembly which is operably connected to a balance, a... | 03/25/2003 |
| 6502048 | Calibration for a vehicle weight classification system A vehicle seat weight classification system includes a recalibration strategy to ensure sensor accuracy over time. A controller preferably is programmed to periodically sample outputs of the sensors when a seat is unoccupied. Average sensor output informa... | 12/31/2002 |
| 6246967 | Weight verification device The present invention is a Weight Verification Device (WVD) that stamps a weight transaction record with a digital signature so that transaction data may be verified at a later time. The WVD is an Application Specific Integrated Circuit (ASIC) device that... | 06/12/2001 |
| 6211470 | Height measurement apparatus for determining the volume/density of wood chips on a conveyor This invention relates to a height measurement apparatus for determining volume/density of wood chips on a conveyor. Such structures of this type, generally, employ the use of contacts that ride on top of the pile of wood chips in order to more accurately... | 04/03/2001 |
| 6063292 | Method and apparatus for controlling vertical and horizontal basket centrifuges A computerized system for monitoring, diagnosing, operating, and controlling various parameters and processes of basket centrifuges is presented. The computer control system actuates at least one of a plurality of control devices based on input from one o... | 05/16/2000 |
| 6018129 | Solid-state sliver sensor and auto-leveler for textile machine A strain gauge sensor for measuring the unit weight of a moving sliver in a textile machine, comprising a support rigidly mounted on a sliver output end of the textile machine and a trumpet carried by the support for outputting a condensed sliver. At leas... | 01/25/2000 |
| 5994649 | Portable weighing device for the mobility-disabled A portable weighing device comprising two laterally displaced, electrically connected and rigidly aligned weighing modules is disclosed that permits convenient weighing of the mobility-disabled while occupying a conventional manually-operated wheelchair s... | 11/30/1999 |
| 5990422 | Apparatus for measuring weight and length of article An apparatus for measuring weights of articles having different shapes and weights successively transported on a conveyer including first and second weighing conveyers 13 and 14 having load cells 23 and 24 to produce weight signals and photo-sensors 20, 2... | 11/23/1999 |
| 5914464 | Self-service device for processing a mail piece A self-service device allowing postal customers to determine the postage fees for letters and small parcels has a weighing scale and also registers the thickness and format size of the mail piece in a simple manner. A receiving chamber for the mail piece ... | 06/22/1999 |
