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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 |
| 6979945 | Ferrite core structure for color cathode ray tube A cathode ray tube having a ferrite core with a modified sectional configuration facilitates the correction of a mis-convergence along a diagonal direction of a screen, improves the efficiency with which electrons within electron beams are deflected, and is manufact... | 12/27/2005 |
| 6922216 | Mechanical system for adjusting image centering and rotation in projection television apparatus First (3), second (5) and third (7) eccentric cams, positioned in substantially the same plane, mate with corresponding first (9), second (11) and third (13) slots in a bracket (1). Rotation of the first cam (3... | 07/26/2005 |
| 6734613 | Electron beam controlling device for CRT display system A thin cathode ray tube display system and associated components are disclosed. The system includes a thin cathode ray tube, a body having a substantially flat back element and a front element attached wherein a vacuum is maintained in the body, a neck element attac... | 05/11/2004 |
| 6707510 | Deflection yoke having horizontal deflection coils and a balance coil and method for constructing thereof A deflection yoke has first and second horizontal deflection coils formed of a solid wire. A first bobbin and a second bobbin are formed in one-piece construction with each other. The first coil-end lead of the first horizontal deflection coil and the second coil-en... | 03/16/2004 |
| 6055026 | Apparatus for holding degauss coil An apparatus for attaching a degauss coil to a cathode-ray tube can simplify a manufacturing process by reducing the number of assemblies for attaching a degauss coil stretched over a curved surface of a funnel of a cathode-ray tube. This apparatus includ... | 04/25/2000 |
| 5828278 | Deflection system A deflection system which improves picture distortion and misconvergence by eliminating the wrong winding of coil. in which a bobbin 20 for the deflection coil, whose partial cross section is of a funnel shape, is mounted on the outer peripheral surface o... | 10/27/1998 |
| 5043823 | Cathode ray tube focus coil alignment and assembly arrangement A focus coil (20) is adjustably retained around the neck (12c) of a cathode ray tube (12) inside a shield (14). An alignment apparatus (62) includes a ring (64) which is movable with five degrees of freedom and clamps onto the coil (20) through holes (14j... | 08/27/1991 |
| 4786838 | Electromagnetic deflection unit directly wound on a support A cathode ray tube electromagnetic deflection unit comprising a support (4) having a flange (8) at its constricted end (5) which has a tangential groove into which radial grooves (14) merge. Two sets of deflection coils (18, 19) are wound on the support (... | 11/22/1988 |
| 4638219 | Apparatus for adjusting the position of a deflector on a television tube, particularly a color tube An apparatus for adjusting the position of the deflector of a television tube, particularly a color tube, especially so that the tube deflector assembly may become autoconvergent. The apparatus comprises a platform movable in accordance with n degrees of ... | 01/20/1987 |
| 4636867 | Grounding arrangement useful in a display apparatus The control unit for a display system is partitioned into first and second interconnected control units so as to permit respective separate ground terminals to be utilized. The separate ground terminals allow stable grounding for sensitive circuits in eac... | 01/13/1987 |
| 4562480 | Mounting apparatus for dynamic convergence coils An apparatus for mounting dynamic convergence coils on the neck of a cathode ray tube monitor. Two mounting boards are provided as a mounting platform for the dynamic convergence coils. The mounting boards are pivotably joined so that they may be opened t... | 12/31/1985 |
| 4253049 | CRT Display utilizing standardized modules and a remote module relating to CRT structure A program card comprised of passive elements is collocated or otherwise considered part of the cathode ray tube, CRT, module of a modularized display unit, and is used to dictate major system operating parameters to a set of cooperating electronic modules... | 02/24/1981 |
| 4037256 | Convergence circuit mounting device A device for mounting a circuit board containing the convergence alignment circuitry for a color television receiver is described. The mounting device is made of a suitable insulating material and includes a collar or ring portion which is supported again... | 07/19/1977 |
| 4030126 | Support means for a CRT beam adjustment device An improved CRT beam adjustment device is provided for exterior orientation on the neck of the tube. The device includes a plurality of rotatably adjustable annulate magnetic members sequentially positioned on a support sleeve, one end thereof being forme... | 06/14/1977 |
| 3944892 | Small compact cathode ray oscilloscope assembly A cathode ray oscilloscope assembly adapted to be connected to a circuit for conveying electrical input signals and electrical power thereto, includes a cathode ray oscilloscope tube adapted to be connected to the input circuit to establish an electron be... | 03/16/1976 |
