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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 |
| 7311369 | Apparatus and method for correcting white line of ink-jet printer An apparatus to correct a white line of an ink-jet printer and a method to control the apparatus including driving a pickup roller when a printing command is inputted to pickup a paper; judging whether the leading end of the paper enters or not using a paper-detecti... | 12/25/2007 |
| 7281779 | Apparatus and method for measuring the length change of the feed spindle in an exposer for printing originals Measuring a feed spindle length change in a printing exposer, having at least one exposure head on a carrier moved axially along the drum in a feed direction by a stepping motor and the spindle, carries out the measurement by determining the number of stepping motor... | 10/16/2007 |
| 7145464 | Data collection device In one aspect of the invention a data collection device is provided for use with a medium said medium being usable when exposed to electromagnetic radiation that is characteristic of such use. The data collection device has a sensor capable of sensing when the mediu... | 12/05/2006 |
| 7063470 | Printer media supply spool adapted to allow the printer to sense type of media, and method of assembling same A printer media supply spool adapted to allow the printer to sense type of media, and method of assembling same. The supply spool comprises a shaft having a supply of media ribbon wound thereabout. A transceiver unit is disposed proximate the shaft. The transceiver ... | 06/20/2006 |
| 6742856 | Movement control apparatus, printing apparatus, and movement control method To control movement of a member to be driven by using a scale having a plurality of indices at a predetermined interval, and a sensor which is attached to the member to be driven along the scale and detects the indices, a time until the next index is detected is pre... | 06/01/2004 |
| 6655865 | Printing apparatus and method An area on the printing sheet which can be printed through a single scanning operation of a printing head is divided into a plurality of smaller areas. The printing sheet is transported a distance corresponding to each divided area to print the image usin... | 12/02/2003 |
| 6419409 | Serial printer detecting set condition for image formation and method of controlling the same A serial printer includes a carriage reciprocating in a main scanning direction, a reading sensor mounted in carriage, a timing fence arranged in the main scanning direction, a mechanism preventing movement of carriage in the main scanning direction, and ... | 07/16/2002 |
| 6254292 | Pin-supported and -aligned linear encoder strip for a scanning incremental printer Spaced pins support and align the strip. Apertures in the strip engage the pins with no fastening. The strip--best a transparent member and glued strength member--is end-mounted and -tensioned. Ideally the apertures are slots to constrain the strip as to ... | 07/03/2001 |
| 6133706 | Printer subsystem motion-control sensor apparatus In accordance with the described invention, a stepper motor that drives a printer's movable subsystem, e.g. a sled-mounted ink-jet service station, is replaced with a less expensive and quieter DC motor, and continuous positional feedback is obtained via ... | 10/17/2000 |
| 5664222 | System for automatically determining printer type using duration of timing signals of printer head traveling between first and second reference positions An embodiment of the present invention comprises a system that causes a printer carriage to scan from a reference position to a second position. The status of the peripheral is monitored by the host computer with detectors that can sense the position of t... | 09/02/1997 |
| 5575577 | Recording apparatus having position detecting device A recording apparatus of the kind arranged to perform recording by moving a carriage on which a recording head is mounted is provided with a linear encoder which consists of a linear scale part arranged in parallel to a moving route of the carriage to hav... | 11/19/1996 |
| 5368402 | Serial printer capable of promptly detecting abnormality in head carriage movement A movement distance monitoring pulse counter counts drive pulses being applied to a carriage-moving pulse motor, and produces a count value M. An optical sensor attached to a head carriage detects slits of a slit encoder passed by the head carriage. A sli... | 11/29/1994 |
| 5297881 | Printing machine carriage having a magnetic encoder A printing machine for printing at printing positions along a line, and for performing a positional control by linear encoder. The printing machine comprises a linear encoder memory and detecting means. The linear encoder memory has a line-shaped magnetic... | 03/29/1994 |
| 5255987 | Paper margin detecting device for use in printing apparatus A paper edge detecting device for a printing apparatus in which a paper margin of a print paper can be detected with high accuracy. A mark printing process is executed upon power-on of a printer, so that a carriage is displaced from an original position H... | 10/26/1993 |
| 5184904 | Paper feeder A paper width of a sheet of paper is input into a paper width setting section. In case of defining a non-print area at a fore end of the paper, a paper bail roller is manually separated from a platen to output a detection signal A from a paper bail switch... | 02/09/1993 |
| 5181801 | Device for actuating a tilting lever used in sensing sheet-type recording media A device for actuating a tilting lever used in sensing sheet-type recording media includes a tilting lever having first and second arms and being swingably mounted about a pivot axis attached to a frame, from a first reference position to a second referen... | 01/26/1993 |
| 5167461 | Printing apparatus having automatic loading function to avoid print medium corner snagging A printing apparatus includes a platen on which a printing medium is set, a carriage which is movable along the platen and having a guide for guiding the printing medium to the platen and a printing head for making a print on the printing medium which is ... | 12/01/1992 |
| 5156478 | Device for setting operating parameters of a printer as a function of the print head position The position of a print head, movable back and forth over the width of a paper band, is used as an index versus parameter data in menu presentation recorded parallel to the extension of the print-head motion path in a device for the setting of operating p... | 10/20/1992 |
| 5076719 | Printing apparatus having automatic loading function to avoid print medium corner snagging A printing apparatus includes a platen on which a printing medium is set, a carriage which is movable along the platen and having a guide for guiding the printing medium to the platen and a printing head for making a print on the printing medium which is ... | 12/31/1991 |
| 5040913 | Device for generating and/or imprinting forms A positioning unit for use in completing forms at a word processing station having a display unit, a computer, a text input device and a printer. The positioning unit has a transparent contact plate into which a copy of the form is placed and underneath w... | 08/20/1991 |
| 4661000 | Layout display device of electronic printer In a layout display device of an electronic printer, a per character display segment number is calculated by a CPU in accordance with a total display segment number of the layout display section and possible printing range data, and an input character num... | 04/28/1987 |
| 4529325 | Technique for compensation for bandwidth limitations of microprocessor utilized for serial printer control To enable a microprocessor to operate within its bandwidth limitations while controlling a serial printer, means are provided for adjusting the microprocessor system clock rate when the printer is in its rate mode. In particular, the output of a counter c... | 07/16/1985 |
| 4496835 | Shaft encoder with diffusely placed light sensitive elements An optical transducer for detecting the angular position of a rotary member with respect to a fixed structure comprises a disc 13 mounted rotatably within a casing. The disc is provided with a plurality of opaque radial regions 19 which are spaced by tran... | 01/29/1985 |
| 4185931 | Circuit arrangement for determining the position of a printer carriage in printer devices In an illustrative embodiment, a first advance signal is produced whenever a character is supplied to the keyboard control unit which is to be associated with advance of the printer carriage. Such a character may be shifted through a keyboard buffer stora... | 01/29/1980 |
| 3978966 | Tabulation operation sensing unit for automatic typewriter A unit for sensing a tabulation operation in an automatic typewriter. An interconnecting member is disposed between a typewriter mainspring and a fluid clutch. This member has a disk portion nested in a hole formed in a mainspring housing. An eccentric pi... | 09/07/1976 |
