Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7146199 | Cordless digital audio headphone A cordless digital audio headphone is disclosed. The headphone includes a pair of earphones connected to a headband. The earphones provide audible signals. The headphone also includes a memory unit positioned on the headband for containing digitally stored audio inf... | 12/05/2006 |
| 6957440 | Methods for translating and reading optical disks The present disclosure provides apparatus and methods for reading optical disks. Some implementations are particularly well suited for automatically playing both sides of a dual-sided optical disk. By coordinated delivery of disks between a disk reader, a disk trans... | 10/18/2005 |
| 5541896 | Inter-leaved carousel for information storage mediums A device for storing and retrieving Information Storage Media in which the Information Storage Media are maintained at an angle and in an interleaved arrangement. The device consists of a series of tray cartridges, a mechanism for pulling trays from the c... | 07/30/1996 |
| 4996680 | Automatic changing apparatus for a recording medium A changing apparatur for recording media has a rotatable magazine which houses a plurality of sloping storage slots in which recording media can be housed. The storage slots overlap one another in the circumferential direction of the magazine. A selector ... | 02/26/1991 |
| 4519055 | Optical disc transport system A carrousel disc transport system has a donut shaped cartridge storage module, a changer and a record/read station. The changer is centrally located in said donut shaped module and selectively removes or replaces selected cartridges. A carrier of the chan... | 05/21/1985 |
