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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 |
| 8139317 | Disk drive device which includes a clamping magnet for attracting a disk The present invention provides a disk drive device that can appropriately clamp a disk by means of magnetic force even when the disk drive device is very small. A clamping magnet 16 on which a disk 20 is mounted is attached to a turntable portion 15... | 03/20/2012 |
| 7295399 | Floppy disk drive A floppy disk drive includes a frame having a bottom portion and left and right walls and a casing for covering the frame. The casing includes an upper cover for covering an upper side of the frame and a lower cover for covering a lower side of the frame, in which t... | 11/13/2007 |
| 7271979 | Flexible disk drive having an eject base usable as a cover In a flexible disk drive for a flexible disk, a main frame defines a receiving portion for receiving the flexible disk. The main frame has a principal surface which faces the receiving portion and extends in a first direction and a second direction perpendicular to ... | 09/18/2007 |
| 7271980 | Disk chucking mechanism having a fan-shaped driving pin In a disk chucking mechanism for use in a flexible disk drive adopting a spindle motor (300) of a Hall sensor-less method, a driving pin (317A) freely received in a driving oval hole (46b) of a flexible disk (40) has a shape (shape... | 09/18/2007 |
| 7251100 | Mounting interface for a spindle motor A mounting interface for a spindle motor allows the optimization of the spindle dynamics. The mounting interface provides a steadfast relationship between a motor and a baseplate, wherein the mounting interface includes at least three surface points forming a single... | 07/31/2007 |
| 7196868 | Hydrodynamic bearing and disk recording/reproducing apparatus having a vent inside a fixed shaft Radial dynamic pressure grooves are provided in a first region 4A and a second region 4B on the side of a fixed shaft 2. A vent 2D is provided inside the top end 2A of the fixed shaft 2. The vent 2D connects spaces ov... | 03/27/2007 |
| 7187092 | Thin inner rotor motor for rotatably driving medium, and disk apparatus using the same An inner rotor motor includes a rotor having a plurality of magnetic poles circumferentially arranged, and a stator with a stator core having a plurality of magnetic pole teeth that are positioned on the outer side of the circumference of the rotor and oppose the ro... | 03/06/2007 |
| 7136259 | Frame structure and flexible disk drive having the same In order to provide a positioning mechanism that can be processed easily and accurately by press forming and a frame structure having the same, especially a main frame and a method of manufacturing the same, the invention provides a frame structure of the flexible d... | 11/14/2006 |
| 7122922 | Base plate for spindle motor A base plate for a spindle motor is provided defining a minimal axial gap with a relatively rotatable magnet. In an example, a surface of the base plate is positioned at 0.1 mm from an adjacent surface of a relatively rotatable magnet. The base plate is comprised of... | 10/17/2006 |
| 7114244 | Disc centering device A disc centering device includes a base plate, a chuck which is installed on the base plate, a hub unit which is detachably engaged to the chuck and receives discs and spacers to be stacked, disc pushers which are slidably provided outside the hub unit and include c... | 10/03/2006 |
| 7086072 | Spindle motor having mounting plate with space for connecting and having circuit board covered by rotor for a slim optical disk apparatus The spindle motor for a slim optical disk apparatus has a stator, a rotor, a circuit board, and a mounting plate. The circuit board is within the range covered by the rotor and has a plurality of electronic components used on the spindle motor and a plurality of ele... | 08/01/2006 |
| 7038878 | Micromover configured to move a magnetic storage medium in perpendicular directions in a plane A storage device comprising a magnetic storage medium mounted in a first plane, a read and write mechanism mounted in a second plane that is parallel to the first plane and configured to write information to the magnetic storage medium, and a micromover configured t... | 05/02/2006 |
| 7031104 | Disk drive having guide-vanes A disk drive includes an enclosure, a rotatable disk and an actuator arm, and also includes a plurality of arcuate channels. Airflow is created within the enclosure when the disk rotates. The plurality of arcuate channels facing the disk to decrease the turbulence o... | 04/18/2006 |
| 7024755 | Method balancing a disk pack in a hard disk drive A method of using a balance clip in a hard disk drive spindle motor for disk pack balance correction provides the balance clip with one end that is offset from the circular shape of the balance clip. The offset end is located opposite the precise bent tab that provi... | 04/11/2006 |
| 7027262 | Spindle motor structure mounted directly on a base plate of a thin type flexible disk drive A spindle motor structure includes a solenoid coil 1 provided above a flexible board 2 provided at one face of a base plate of FDD to align in a circumferential direction centering on one axis and a turn table covering the solenoid coil 1 and pr... | 04/11/2006 |
| 7023116 | Small brushless motor A brushless motor includes a highly reliable thrust-receiving member that simplifies the machining and assembling of parts and prevents deformation of the bearing and leakage of lubricating oil. A stator base has a cylindrical portion serving as a base portion of a ... | 04/04/2006 |
| 7015605 | Electromotive drive system for use with a pump of a power-assisted steering system in a motor vehicle An electromotive drive is provided, especially for the pump of a power-assisted steering system of a motor vehicle. The drive includes a housing (3) with a bearing journal (15) in which the shaft (18) of a rotor (9) is rotationally mounte... | 03/21/2006 |
| 7005768 | Dynamic bearing device, producing method thereof, and motor using the same A securing surface of a housing comprises a deformation region, which deforms radially outward by a predetermined quantity during press fitting of a thrust member, and another region. The deformation region has a tapered shape that gradually reduces in diameter in t... | 02/28/2006 |
| 6962399 | Method of warning a user of end of life of a consumable for an ink jet printer A method informs a user of an ink jet printer of the end of life of a consumable. The consumable supplies ink to a printhead having a plurality of ink ejection nozzles and an associated plurality of ink jetting actuators, each of the plurality of ink jetting actuato... | 11/08/2005 |
| 6963149 | Radial winding stator structure for single phase motor A radial winding stator structure for a single phase motor is composed of plural silicon steel sheets that are stacked together and have the same structure. Each of the silicon steel sheets includes a hub and six poles. Each pole is radially extended from a circumfe... | 11/08/2005 |
| 6947253 | Method for balancing a rotating assembly using eccentric rings A method for balancing a spindle assembly for compensating for dynamic imbalance of the spindle assembly. The method uses a plurality of adjustable eccentric rings for dynamically balancing the spindle assembly. The plurality of eccentric rings are preassembled with... | 09/20/2005 |
| 6943983 | Flexible disk drive including sub circuit board with a hall element mounted thereon A flexible disk drive includes a notched portion at a main frame portion arranged with a motor, a sub board includes a cut groove at an end portion thereof and a wire extended from the motor is held by the cut groove of the sub board and is connected to the main boa... | 09/13/2005 |
| 6940193 | Spindle motor with an electro-conductive connection between the bearing system and the baseplate or flange Permanent electro-conductive connection is achieved between a bearing component and a baseplate/flange by providing at least one solid-state contact element between the baseplate/flange and the bearing component. The contact element establishes an electric contact b... | 09/06/2005 |
| 6931653 | Clamp mechanism for an optical disk reading device An optical disk reading device has a substrate below which a CD is loaded, a base element fixed to an opening of the substrate, a movable element, a rotation part that movably connects the movable element to the base element in a manner such that the movable element... | 08/16/2005 |
| 6921999 | Electric motor An electromagnetic rotary actuator is driven by a single-phase voltage. Permanent magnets on a rotor interact over a part-cylindrical small airgap with a soft-iron stator having pole teeth that carry at least one winding for rotating the rotor within a limited angul... | 07/26/2005 |
| 6919657 | Combination structure of a motor A combination structure of a motor has a base board, a printed circuit board and at least one sensing unit. The base board is used for placing a stator and a rotor and has at least one first assembly hole. The printed circuit board is connected to the base board and... | 07/19/2005 |
| 6906891 | Flexible disk drive having a frame structure comprising a main frame and a sub-frame of a lower cover A main frame has a size where only high precision parts are mounted thereon and has structure where a front portion of a frame is deleted. A lower cover, which covers a lower surface of the main frame, has a function as a sub-frame mounting low precision parts corre... | 06/14/2005 |
| 6906892 | Mechanism and method for positioning data cartridge in disk drive A data storage cartridge is positioned in a disk drive. The cartridge is positioned in the X and Y dimensions by contact between an alignment opening in the cartridge and an XY alignment pin in the disk drive and in the theta (rotational) dimension by contact betwee... | 06/14/2005 |
| 6876520 | Magnetic disk cartridge A magnetic disk cartridge comprising a housing with space, and a magnetic disk rotatably held in the space of the housing. The magnetic disk includes a flexible magnetic recording medium, and at least one rigid ring mounted on the circumferential edge portion of the... | 04/05/2005 |
| 6819021 | Combination of a base and an axle tube for a motor A combination of a base and an axle tube is provided for a motor. The base includes a tubular body and an axial hole through which the axle tube extends. A flange extends upward from a peripheral edge delimiting the axial hole. At least one positioning groove is def... | 11/16/2004 |
| 6812603 | Flat motor A flat motor is composed of a rotor 1 provided with a driving magnet 3 in a ring shape and a shaft 8, and a stator 5. The stator 1 is composed of a stator yoke 6 provided with a bearing mounting section 12 for mountin... | 11/02/2004 |
| 6775097 | Rotational driving apparatus for disk and manufacturing method therefor The rotational balance by weight of a rotational driving apparatus for a disk is adjusted in a state in which a hub or a dummy member equivalent to the hub is fixed onto a turntable while a motor thereof is driven. When the hub is mounted on the turntable, rotation ... | 08/10/2004 |
| 6775096 | Chucking device for a magnetic disk A chucking device for a magnetic disk that includes a substantially disk-shaped bearing and a drive arm extending in a rear side of a rotor yoke along a circumferential direction and loosely suspended from and held by a rotor yoke on both ends. An inner peripheral s... | 08/10/2004 |
| 6765754 | Flexible disk drive comprising an index detection hall element having an improved detection sensitive condition of a magnetic field A motor rotatably driving a flexible disk has a rotor having an external peripheral side surface on which an index detection magnet is mounted. A main circuit board mounts a control circuit for carrying out a driving control of the motor and extends in a direction p... | 07/20/2004 |
| 6762906 | Disk drive for removable disk cartridges and receivable into a PCMCIA port of a computer A disk drive device includes a protective case having an upper case and a lower case. The disk drive device has a form such that the disk drive device can be inserted into and removed from a PCMCIA port of a computer. The disk drive device has an output connector lo... | 07/13/2004 |
| 6747831 | Floppy disk drive and frame structure therefor In a floppy disk drive having a main frame in which a floppy disk is inserted and a DD motor for rotatably driving the floppy disk inserted in the main frame, the floppy disk drive has a motor frame for mounting the DD motor thereon that is constituted by one piece ... | 06/08/2004 |
| 6700241 | Positioning device for prestressing magnet of spindle motor A positioning device for a prestressing magnet of a spindle motor includes a stator, a positing member, a prestressing magnet, a rotor and a metal casing. Combined with the prestressing magnet, the positioning member is fittingly secured to a generally ax... | 03/02/2004 |
| 6664686 | Motor having single cone air dynamic bearing balanced with shaft end magnetic attraction A single cone air dynamic bearing motor, including a shaft having a diminishing conical taper surface, a sleeve having a concavity opposite the shaft, and magnetic members to generate magnetic attraction between the shaft end and the sleeve. Grooves are f... | 12/16/2003 |
| 6603635 | Motor structure for use with optical disks An inner rotor type motor has a plurality of stator magnetic poles projecting inwardly from a stator yoke surrounding the outer periphery of a shaft, of which a plurality of stator magnetic poles, some, at least the same number as the number of the phases... | 08/05/2003 |
| 6600627 | Rotational driving apparatus for disk and manufacturing method therefor The rotational balance by weight of a rotational driving apparatus for a disk is adjusted in a state in which a hub or a dummy member equivalent to the hub is fixed onto a turntable while a motor thereof is driven. When the hub is mounted on the turntable... | 07/29/2003 |
