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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7330414 | Method for reconstruction of phonograph records from physical measurement A method for reconstructing the original groove configuration of a phonograph record. The methodology comprises providing an instrument for measuring the entire groove of a phonograph with an instrument in communication with a computer. The computer reconstructs the... | 02/12/2008 |
| 7016150 | Method and apparatus for cleaning head with over-damped harmonic oscillation An apparatus has an information storage medium with an information storage surface, and structure operable to effect relative movement of the head and surface within a first zone while maintaining the head adjacent the surface and while using the head to effect at l... | 03/21/2006 |
| 6598117 | Recording medium library device and control method thereof A cassette library (1) is provided with a driving apparatus (13), cassette housing shelves (14, 15) and a cassette carrier (16). A library controller (2) simulates as if driving apparatuses (13) having continuous address numbers were apparently used in th... | 07/22/2003 |
| 4675053 | Record cleaning apparatus and method A cleaning and scrubbing apparatus is described which consists of a vacuum head to which is coupled small hollow fibers. Each of the fibers has a diameter of approximately the size of the record groove so that it may fit within the record groove to scrub ... | 06/23/1987 |
| 4519059 | Cleaning mode for discs or records A disc cleaning device is provided in an apparatus for transferring information to or from a disc, which apparatus includes a base, means for rotating the disc, and means for transferring information to or from the disc, the information transferring means... | 05/21/1985 |
| 4514836 | Brush contact for phonograph tone arm dynamic stabilizer An improved brush contact for a phonograph tone arm dynamic stabilizer. The contact includes bristles on a base, with free ends fanned in an arc. A portion of the bristles contact a record surface. Lateral movement of the tone arm across the record pivots... | 04/30/1985 |
| 4446547 | Record cleaning device A record cleaning device which attaches to the tone arm of a record player for removing dust and other undesirable material from the grooves of a phonograph record without significant interferring with the normal tracking of the phonograph cartridge. The ... | 05/01/1984 |
| 4393487 | Stylus cartridge A stylus cartridge is equipped with a pair of integrally-molded flexural retaining fingers for locking a stylus arm within the confines of the cartridge body. When a slider member disposed on the cartridge is acted upon, it spreads the retaining fingers a... | 07/12/1983 |
| 4359769 | Signal reproduction apparatus A signal reproduction apparatus comprising a pick-up means with a playback stylus tracing on engraved grooves of a record disk and a shaving means abutting on only the top portions of several number of the engraved grooves, wherein the shaving means eff... | 11/16/1982 |
| 4275888 | Stabilizing and static removing attachment for phonograph pickup cartridge An attachment for a phonograph pickup cartridge capable of removing static and stabilizing vibration of the cartridge body. A brush comprising bristles capable of engaging the inside of the grooves of a disc-type phonograph record is coupled to the cartri... | 06/30/1981 |
| 4198056 | Protective device for record player A protective device for pivotable attachment to the cartridge or pickup arm of a record player so that, when lowered onto a moving record disc, the record will pivot the device from a guard position in which it hangs below the stylus to a playing position... | 04/15/1980 |
| 4173348 | Grooved record playback system A composite stylus assembly, provided for a grooved disc record playback system, includes a playback stylus supported on a free end of an arm. The other end of the arm is supported by a flexible mount in a cartridge. The stylus rides in the groove of the ... | 11/06/1979 |
| 4145718 | Video disc pickup with preplay stylus A composite stylus assembly, provided for a system for playing back a grooved disc record, includes an L-shaped leaf spring support member formed of a longitudinal piece and a short transverse piece. The transverse piece is attached near the free end of a... | 03/20/1979 |
| 4134594 | Antistatic record cleaner An antistatic record cleaner has a support securable to a turntable adjacent the platter thereof and having an upward metallic pin having an upper end projecting from the support. A sweep arm is pivoted on the support and has a metallic rod whose inner en... | 01/16/1979 |
| 4131284 | Damper means for damping the resonance of disc record tone arms This invention provides a damper for damping the resonance of a disc record tone arm comprising first and second relatively movable elements in engagement with energy absorbing material. The first element is secured relatively to the tone arm cartridge wh... | 12/26/1978 |
