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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 |
| 5442128 | Digital classic organ with remote control finishing Classic organ sounds are produced by selecting plural loops of predetermined sound components, and combining the components in accordance with parameters readily adjusted by an operator, which parameters are maintained separately from the musical notes wh... | 08/15/1995 |
| 4998960 | Music synthesizer A music synthesizer is constructed according to a modular scheme with plural, substantially interchangeable voice units. During operation, these voice units are used to simulate different instruments. The voice units operate under control of a master comp... | 03/12/1991 |
| 4984496 | Apparatus for deriving and replicating complex musical tones An apparatus for achieving the effect of air movement in instruments during replication and sounding of complex musical instruments by separating unstable frequency components, the quasi-periodic components, from stable fundamental and harmonic components... | 01/15/1991 |
| 4489637 | Percussive voice generator for an electronic musical instrument A keyboard operated electronic musical instrument in which a number of tone generators are assigned to actuated keyswitches in which a combination of a transient voice and a steady state tone is generated by implementing a discrete Fourier transform emplo... | 12/25/1984 |
| 4348931 | Simulating wind noise in electronic organs using digital noise generators An electronic musical instrument of the type producing pipe organ-like sounds including a circuit for simulating wind noise by causing a random perturbation from the nominal frequency of tune, which an organ flue pipe exhibits when sounding, through the u... | 09/14/1982 |
| 4270430 | Noise generator for a polyphonic tone synthesizer In an electronic musical instrument apparatus is provided for producing a noise-like signal suitable for a variety of musical effect such as the imitation of percussive musical instruments. A noise master data set is created repetitively and independently... | 06/02/1981 |
| 4194427 | Generation of noise-like tones in an electronic musical instrument An electronic tone synthesizer in which a master data list of digital values representing the amplitudes of points defining the waveform of a musical tone are transferred to a digital-to-analog converter at a rate proportional to the pitch of the tone bei... | 03/25/1980 |
| 4077294 | Electronic musical instrument having transient musical effects An electronic musical instrument of a type wherein a plurality of systems are provided each system comprising memories storing respective harmonic component waveshapes which are read at the same reading rate and the read out harmonic waveshapes are suitab... | 03/07/1978 |
| 3930430 | Photo-electric organ with chiff An electrical organ in which each of the keys of the organ is mechanically coupled to one single pole single throw electrical switch, and a plurality of said switches are each connected to a plurality of photoelectric tone sources through pulse shaping ke... | 01/06/1976 |
