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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7085387 | Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio... | 08/01/2006 |
| 6917993 | Modular storage library with automatic configuration A modular storage system comprises one or more storage modules, a moveable display capable of coupling to a storage module, and a sensor capable of detecting movement of the display. The individual storage modules have one or more magazines that can hold a plurality... | 07/12/2005 |
| 6353581 | Media access in a media library A media element library includes a magazine of media element storage locations comprising at least one cell adjacent to an opening in the housing. The cell may be moveable so as to extend toward the opening in the housing of the media element library, the... | 03/05/2002 |
| 4732072 | Audio teaching system for use in choral instruction An audio teaching system for use in choral instruction is illustrated having a four-track cassette recorder/player interconnected with a four-channel amplifier leading to a set of earphone amplifier control boxes, each having a single earphone attached th... | 03/22/1988 |
| 4577302 | Apparatus for reproducing motion picture film photographic sound-tracks to correct reproduction errors and reduce noise Apparatus for reproducing motion picture photographic (optical) sound-tracks is disclosed in which significant information regarding track placement, slit illumination, azimuth and impulse noise is derived by dynamically processing and comparing the signa... | 03/18/1986 |
| 4455634 | Audio/video quality monitoring system Method and means for evaluating the quality of audio and/or video transfer characteristics of a device upon which, or through which, audio and/or video information is contained, or passes, respectively. Both method and apparatus concern the evaluation of ... | 06/19/1984 |
| 4338684 | Scanning system for reproducing side-by-side optical sound tracks Side-by-side variable area sound tracks are scanned laterally to derive a first signal containing width-modulated pulses which can be demodulated to audio. In order to eliminate the effect of noise on the clear areas of the tracks, the portions of the fir... | 07/06/1982 |
| 4216357 | Optical play-back system for recorded signals with oscillating beam This invention relates to a system for optically playing back recorded signals from a recorded medium on which signals of images or sounds are continuously recorded so as to constitute a signal recorded line or signal track. In play-back the images or sou... | 08/05/1980 |
| 4087634 | Dual sound track sensor and calibration strip therefor A sensing device for use with a motion picture projector for projecting a motion picture having a sound track with two or more sound channels, said projector having a light source for illuminating said sound track, said sensing device having a base or fix... | 05/02/1978 |
| 4044207 | Apparatus for reproducing a multiple track photographic sound record A multiple channel motion picture sound record is reproduced with selective ontrol of the cross-talk between channels due to film weave. Such control is effected by lateral offset of the respective sound sensors, and conserves limited available width of th... | 08/23/1977 |
| 3964826 | Dual sound system A Super-8 mm. movie film with two amplitude modulated optical sound tracks, one in each margin of the film. A method for optically recording and reproducing audio information with high fidelity on a very narrow sound track. A scanning apparatus has lens a... | 06/22/1976 |
| 3964752 | Methods and devices for recording, engraving and reproducing modulated information in tetraphony A microgroove disk record for monophonic, stereophonic and tetraphonic reproduction of modulated information recorded on four separated tracks one of which corresponds to a left fore channel, another one to a right fore channel, another one to a left rear... | 06/22/1976 |
