Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 5963534 | Driving device for a recording medium A driving device in which when a cartridge is inserted with a correct orientation, a retainer protrusion of a drawing-in member engages a retainer recess of the cartridge, so that a sliding shaft of the drawing-in member slides along a guide surface to dr... | 10/05/1999 |
| 5751687 | Disk loading apparatus In a disk loading apparatus of the present invention, a tray storage section for storing in a stacked manner a plurality of trays on which a tray is to be placed is disposed in the front side of the apparatus, and a reproduction device is disposed in the ... | 05/12/1998 |
| 5566115 | Semiconductor memory device A semiconductor memory device includes first and second MOS transistors connecting a pair of data lines with a specific potential supplying node. A power transmitting circuit couples the specific potential supplying node with a power supply circuit of an ... | 10/15/1996 |
| 5321687 | Compact disk selecting mechanism A drive arrangement effects movement of a disk conveying portion to a plurality of first positions and to a second position relative to a case and a rotatable turntable. The drive arrangement includes a driving gear, a slide member having a gear portion e... | 06/14/1994 |
| 5163040 | Record load-unload device A record load-unload device has a curved guide device which engages the periphery of a record being inserted into and removed from said load-unload device. A friction drive member engages the edge of the record, and a drive device moves the record along t... | 11/10/1992 |
| 4264254 | Article transfer apparatus A transfer arm includes a magnet which can be placed in alignment with the spindle aperture of a recording disc. A spindle is mounted to a support at a stacking station for receiving the aperture of the disc on the transfer arm when the disc is released. ... | 04/28/1981 |
