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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 |
| 5540508 | Print head for an impact dot printer A print head for an impact dot printer capable of printing on a printing medium is provided. The print head includes a plurality of print wires and a front end guide having guide holes for guiding the print wires to predetermined print positions. The fron... | 07/30/1996 |
| 5527118 | Wire dot print head and method for manufacturing same An improved wire dot print head for increased integrated density is provided. The wire dot print head includes a frame. A plurality of drive coils are mounted within the frame. A lever for driving print wires has a print wire mounted at one end and its ot... | 06/18/1996 |
| 5340222 | Ink ribbon with wire lubricant in a wire impact printer The present invention provides an impact dot printer free from the missing of dots. An impact dot printer for recording dots on a recording medium comprises a printer wire having a printer end, a guide member for supporting the printing wire, an ink ribbo... | 08/23/1994 |
| 5310271 | Solenoid actuator A print head has a solenoid driving means which employs a filler mixed with a lubricating oil to fix an exciting coil to the core. The filler prevents the layer winding from being shorted due to corrosion of the exciting coil and prevents mechanical abras... | 05/10/1994 |
| 5033884 | Wire dot printer head with oil absorbing member A wire dot printing head includes armatures each of which is coupled to a printing wire, a felt guide for reducing the friction between the printing wires and a printing wire guide, a residual sheet disposed over a magnetic core frame, a biasing leaf spri... | 07/23/1991 |
| 4915517 | Print head A print head for the print wire impact type dot matrix printer, including means for producing a gas flow into a sealed print head housing and through tubular linear bearings of an end guide to prevent migration of ribbon ink into the bearings and the hous... | 04/10/1990 |
| 4687355 | Printing head for use in dot printers A printing head comprises a plurality of printing wires which are disposed in alignment with each other and for reciprocal motion. Each of the printing wires is formed by a main body member made of powdered high speed steel, and a chip member made of a rh... | 08/18/1987 |
| 4023663 | Matrix printer comprising lubricated printing wires A matrix printer comprising a fanned arrangement of printing wires. Near their bearing points the printing wires are guided through openings in tag portions bent out of the plane of a strip-shaped porous member containing a lubricant. Lubricant is thus ap... | 05/17/1977 |
| 4010836 | Wire printing device A wire printing device comprises a frame removably mounted on a carriage which can move parallely to a platen. On the frame is removably mounted a guide block of resin material which guides a plurality of printing wires individually actuatable by a plural... | 03/08/1977 |
