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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 |
| 6104235 | Integrated circuit with trimmable passive components An integrated circuit having a passive circuit component that can be adjusted following the manufacturing process to provide a precise absolute value for resistance or capacitance. A plurality of passive elements are selectively combinable using logic gat... | 08/15/2000 |
| 5999450 | Electrically erasable and programmable non-volatile memory device with testable redundancy circuits An electrically erasable and programmable non-volatile memory device comprises at least one memory sector comprising an array of memory cells arranged in rows and first-level columns, the first-level columns being grouped together in groups of first-level... | 12/07/1999 |
| 5959902 | Voltage level shifter device, particulary for a nonvolatile memory In a first operation mode the level shifter transmits as output a logic input signal and in a second operation mode it shifts the high logic level of the input signal from a low to a high voltage. The level shifter comprises a CMOS switch and a pull-up tr... | 09/28/1999 |
| 5952865 | Voltage translator circuit The circuit is for translating a switching signal disposed between ground level and Vdd to a translated switching signal disposed between first and second voltages Vhsrc and Vhstrap. The circuit includes a bistable circuit formed by two branches which inc... | 09/14/1999 |
| 5949713 | Nonvolatile memory device having sectors of selectable size and number A memory array is divided, at the design stage, into a plurality of elementary sectors; depending on the specific application and the requirements of the user, the elementary sectors are grouped into composite sectors of desired size and number; a correla... | 09/07/1999 |
| 5935201 | Multiplier circuit for multiplication operation between binary and twos complement numbers A multiplier circuit which multiplies together both natural and two's complement binary numbers, which it receives in the form of electric signals having predetermined logic values, that are applied to input terminals of logic gating circuits. The logic g... | 08/10/1999 |
| 5917720 | Method and circuit for driving a bridge by a PWM procedure A circuit for driving a bridge circuit BR having a signal input I1,I2, and a signal output O1-O2, and at least two conduction control signals C1 and C2 by the PWM procedure. The circuit includes a first virtually-square-wave generator CO1 having an output... | 06/29/1999 |
| 5914589 | Voltage boosting circuit for high-potential-side MOS switching transistor An electric circuit comprising at least one MOS switching transistor disposed on the side of high potential and a switchable charge pump supporting the switching-on phase of the MOS switching transistor at a pumping voltage output thereof with a pumping v... | 06/22/1999 |
| 5903498 | Low-supply-voltage nonvolatile memory device with voltage boosting The memory device has a plurality of local boost circuits, each connected to a sector of the memory array, and each having a control circuit, at least a respective boost capacitor, and a respective drive circuit. Each drive circuit is only enabled in read... | 05/11/1999 |
