"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7934225 | Slot-in disk drive device and method A slot-in disk drive device and a method thereof. The device includes a drive unit for providing power to move a slider. A loading unit moving with the slider drives a loading stick to push a disc into the device. The slider has a sliding slot. An ejecting unit with... | 04/26/2011 |
| 7607144 | Method for detecting size of the optical disk and ejecting optical disk A method for detecting a size of an optical disk loaded in an optical disk drive is disclosed. The optical disk drive has an optical pickup head, and the initial position of the optical pickup head is located on the outer side of a track. The steps of the method are... | 10/20/2009 |
| 7496935 | Rotary information device for removable media A rotary switch rotates about an axis which is at acute angles to a lower cartridge surface and a cartridge end so that a first display surface and a second display surface may be independently accessed by disparate components residing in disparate planes. The displ... | 02/24/2009 |
| 7437743 | Optical disk drive An optical disk drive which decreases unit costs and reduces the size of a product. The optical disk drive includes a frame, a base chassis rotatably installed on the frame, a spindle motor and a pick-up device installed on the base chassis, a tray moving into and o... | 10/14/2008 |
| 7404198 | Slot-in optical reproducing apparatus with a visualized indicator A visualized indicator is applied to a slot-in optical reproducing apparatus. By providing a display window on the housing of the apparatus and a visualized indicator inside the housing, a first portion or a second portion of the visualized indicator can be alternat... | 07/22/2008 |
| 7356825 | Disk carrying apparatus The disk carrying apparatus includes a lifting portion which carries a disk onto a turntable, a chuck which holds the carried disk on the turntable, and a third switch which detects an intermediate position between a holding operation start position where the chuck ... | 04/08/2008 |
| 7350219 | Slot-in optical recording and/or reproduction apparatus A slot-in optical recording and/or reproducing apparatus includes a case formed with a slot and a swingable cover. The case provides a housing for adopting components of the slot-in optical recording and/or reproducing apparatus. The optical disk is drawn out of/int... | 03/25/2008 |
| 7334237 | Disc drive apparatus A disc drive apparatus according to the present invention has a tray formed of an optically transparent material and has disc receiving portions. The tray is movable in an ejection and a retraction direction with respect to a casing. A light source is mounted inside... | 02/19/2008 |
| 7307924 | Systems and methods for cartridge identification In one embodiment, a cartridge identification system includes a cartridge type detection station in which a cartridge can be inserted, and apparatus that determines the extent to which the cartridge protrudes from the detection station, the extent of protrusion bein... | 12/11/2007 |
| 7302694 | Disc loading apparatus A disc conveying apparatus includes a first conveyor unit having a plurality of rollers which are arranged along a conveying path of a disc-shaped recording medium with gaps therebetween, which move in a direction away from the conveying path and rotate individually... | 11/27/2007 |
| 7290269 | Disk recording and/or reproducing apparatus A plurality of switches are pressed by a single switch operating member. A disk recording and/or reproducing apparatus has a switch mechanism operable when a pair of turn arms is turned so as to be spread away from each other by a disk inserted from a disk slot. The... | 10/30/2007 |
| 7290268 | Disc drive apparatus with tray formed of optically transparent material A disc drive apparatus according to the present invention has a tray formed of an optically transparent material and has disc receiving portions. The tray is movable in an ejection and a retraction direction with respect to a casing. A light source is mounted inside... | 10/30/2007 |
| 7272839 | Storage medium library and storage medium magazine A storage medium library retains polygonal data storage plates. The library includes a box for accommodating the plates, a drive unit for recording or retrieving data with respect to each storage plate, and a plate changer for transferring the storage plates between... | 09/18/2007 |
| 7243357 | Disk device A disk device including a first disk holder movable with disk conveyance, a second disk holder opposed to a groove portion formed in the first disk holder and holding a disk grippingly in cooperation with the first disk holder when the first disk holder holds the di... | 07/10/2007 |
| 7224656 | Disc detection device and associated method A disc drive apparatus is provided which determines a recording medium enabling type and recordability for various types of discs. The discs are housed in a cartridge and each cartridge has at least a first and second detection hole formed therein. The second detect... | 05/29/2007 |
| 7221985 | On-screen calibration system and operating method thereof An on-screen calibration system for disc drives and the operating method thereof. The calibration system includes an autocollimator detecting the inclined angle of the stage of a disc drive. A control module is connected to the on-screen display module and a bar cod... | 05/22/2007 |
| 7213749 | Interactive multimedia smart affinity card A multimedia card, including, a multimedia portion, a multimedia card holder portion, and a multimedia cover portion, and wherein the multimedia cover portion and the multimedia card holder portion releasably cover the multimedia card portion in between the multimed... | 05/08/2007 |
| 7210150 | Optical disk driving apparatus capable of detecting overlapped disc insertion Herein disclosed is an optical disc driving apparatus 100, 200 for driving an optical disc while reading out information contained in the optical disc, the optical disc having an outer peripheral surface, comprising: a housing 101 formed with an loadin... | 04/24/2007 |
| 7180840 | Method for checking disk loading status in optical disk driver A method for checking a disk loading status in an optical disk driver including the steps of: discriminating a loading status of an optical disk during multiple loading stages of the disk; transmitting information to a host connected through an interface to the opti... | 02/20/2007 |
| 7017168 | Information plate handling in a read/write device Handling an information plate includes receiving the information plate at a roller element, the information plate rolling over the roller element; detecting a position of the information plate using a scanning lever, the scanning lever having a scanning edge pressed... | 03/21/2006 |
| 6999271 | PC card type drive apparatus Generation of metallic dust due to metal-on-metal sliding contact between a case of a magnetic disk cartridge and a housing portion of a PC card type drive apparatus during insertion and ejection of the magnetic disk cartridge into and from the PC card type drive ap... | 02/14/2006 |
| 6993776 | Disc centering device It is sought to simplify a disc centering device. Stopper portions for centering a small-size disc are provided on disc sensors, and guide portions are provided, which, when the disc sensors are moved with insertion of a large-size disc, engage with the disc sensors... | 01/31/2006 |
| 6944870 | Disc detection apparatus for slot-in optical disc drive A disc detection apparatus for a slot-in optical disc drive. The apparatus includes a body, a light emitting device, a rolling unit, and a light receiving device. The light emitting device is disposed on the body, as is the rolling unit. The light receiving device i... | 09/13/2005 |
| 6892384 | Disk loading device for disk player and a method for using the same A disk loading for loading either a first or second, smaller, disk. The disk loading device comprises a main chassis, a power transmission unit, a slider, a first and second linkage mechanism, a sub-chassis, and a locking lever. The first linkage mechanism guides th... | 05/10/2005 |
| 5828641 | Disc player A disc player capable of immediately ejecting an inserted disc of a type having a diameter other than a predetermined diameter. If a disc having a predetermined diameter is inserted, a pair of detection pins are moved away from each other so that both of ... | 10/27/1998 |
| 5675567 | Device and method for reducing power consumption in a disk drive A device and method for reducing power consumption in a data storage disk drive operate to sense whether a disk is loaded in the disk drive. The device and method further operate to couple a drive power terminal and a host power terminal when the disk is ... | 10/07/1997 |
| 5590098 | Magnetooptical recording and reproducing apparatus having an automatic head lifting device A magnetooptical recording/reproducing apparatus for recording and/or reproducing information from a magnetooptical disk seated in a disk cartridge by using an optical pickup and a magnetic head. A cartridge holding member pivots for loading a disk cartri... | 12/31/1996 |
| 5557589 | Disc recording and/or reproducing apparatus that positions the magnetic head in response to a type of disc A disc type detection arm contacts a disc type opening formed in a disc cartridge when the disc cartridge is loaded into a recording and/or reproducing apparatus. The disc type detection arm determines the type of disc which has been loaded by the depth o... | 09/17/1996 |
| 5309421 | Recording and/or reproducing apparatus for optical disk An optical disk recording and/or reproducing apparatus employing a disk cartridge having accommodated therein an optical disk not more than 80 mm in diameter as a recording medium, the apparatus including an outer casing having a length not larger than 11... | 05/03/1994 |
| 5164934 | Tray loading apparatus for disc players A control circuit of a tray loading apparatus determines, according to a disc size and a tray moving direction, a time during which to control the motor at a constant speed. When the specified time has elapsed after the motor was started, the control circ... | 11/17/1992 |
| 5144612 | Disc loading device A disc loading device loads a disc in position on a turntable for reading information on either face of the disc. A clamp plate having one disc centering member clamps the disc to the turntable having a second disc centering member. The centering member c... | 09/01/1992 |
| 5136570 | Disc ejecting structure with plurality of disk position sensors A disc ejecting structure capable of positively detecting the position of a disc during a disc ejecting operation to eject the disc from a disc player with safety and high reliability. The disc ejecting structure includes a plurality of disc detecting sen... | 08/04/1992 |
| 5038337 | Disc loading mechanism A disc loading mechanism for use in a CD player, laser disc player, etc. includes sensors for judging the size of an inserted disc to use the judging result to automatically set the disc in a proper position on a turn table.... | 08/06/1991 |
| 4995027 | Automatic loading disc player An automatic loading disc player comprising a detection system for preventing mistaken insertion of a compact disc which is smaller than the conventional disc. The disc player comprises conveying rollers for conveying the disc to a disc playing position a... | 02/19/1991 |
| 4914421 | Detector for disc records A record detector includes a member having a capacitance that changes in response to capacitive coupling with a metallic layer of the record. The variable capacitance member controls an electrical oscillator that produces an electrical signal having a fre... | 04/03/1990 |
| 4686665 | Mode switching device in a disc playback device A mode switching device in a disc playback device comprises a loading device for transferring a disc or a case housing a disc between an eject position in which the disc or the disc case is inserted and ejected and a playback position in which the disc is... | 08/11/1987 |
| 4573092 | Rotary recording medium reproducing apparatus A rotary recording medium reproducing apparatus comprises a holding mechanism for clamping and holding a lid plate and a rotary recording medium when a case having a jacket accommodating therein the rotary recording medium and the lid plate for closing th... | 02/25/1986 |