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| Number | Title | Issue Date |
| 5410941 | Electronic musical instrument having an external memory device An external memory medium storing data corresponding to a desired automatically playing or tone color selecting function can be removably set, so as to expand various functions of an electronic musical instrument. An identification code is recorded in the... | 05/02/1995 |
| 5294745 | Information storage medium and apparatus for reproducing information therefrom An information storage medium has a storage area for storing audio information, the storage area being divided into a plurality of sections. At least either one of the sections stores musical accompaniment information and lead voice information in which w... | 03/15/1994 |
| 5131309 | Performance recording/reproducing apparatus enabling correction or modification of playing information The invention provides a performance recording/reproducing apparatus including a playing information recording device, a data discrimination device and a data transfer device. The data discrimination device discriminates a specific channel of playing data... | 07/21/1992 |
| 4922794 | Electronic musical instrument having external memory devices An electronic musical instrument includes a musical tone information storing device, a plurality of external memory devices, a control unit, a switching unit, and a determining unit. The musical tone information storing device stores musical tone informat... | 05/08/1990 |
| 4512230 | Electronic musical instrument An electronic musical instrument has internal memories for storing various panel data and a detachable present circuit having external memories of high-speed operation for storing panel data equivalent to those of the internal memories, by which panel dat... | 04/23/1985 |
| 4508001 | Electronic musical instrument using large-capacity recording medium An electronic musical instrument includes a keyboard having keys, an optical disc memory which is low-speed in access and very large in capacity, a semiconductor memory which is high-speed in access and very small in capacity, and readout circuit. The sem... | 04/02/1985 |
| 4463649 | Waveform producing system employing scanning of a waveform pattern A waveform producing system in which a source of infrared radiation or magnetic flux in a pattern forming section applies energy to a mask constituting a pattern-forming device that passes and masks the radiation or flux for passing the radiation or flux ... | 08/07/1984 |
| 4186280 | Method and apparatus for restoring aged sound recordings The specification describes the restoration of old sound recordings. Old ordings, e.g. phonograph records or tape recordings having at least one substantial musical part such as a singing voice, a solo-instrument or the like, with a formant character, ar... | 01/29/1980 |
| 4177708 | Combined computer and recorder for musical sound reproduction A multichannel recording medium storer which samples the time course of notes produced by an instrument and an address for each of these samples. An interchangeable keyboard transmits a signal or signals to an electronic computer as to which note or notes... | 12/11/1979 |
