Music – Accessories – Teaching devices
Patent
1975-09-22
1978-03-28
Witkowski, Stanley J.
Music
Accessories
Teaching devices
84115, 84267, 84478, G10B 1500, G10F 500
Patent
active
040808670
ABSTRACT:
There is disclosed herein an electronic digital system for allowing encoding and storage of note value and time value for one or more musical instruments and which, upon playback, controls a light display to indicate to the musician the notes to be played and their time value. The system is particularly described for use with guitars, and similar instruments, and has an X-Y display to indicate, for example, both the particular string and the note to be played, as well as the time value of the note. In addition, the system will accommodate a plurality of such musical instruments to thereby enable display of the notes to be played, and their time values, for all of the instruments simultaneously. The system includes a keyboard for entering note value and note timing for each of one or more instruments, and a memory for storing data bits indicative of the notes for each instrument and the timing thereof. The system further includes time multiplexing for appropriately encoding the time values of the notes, such as one-eight note, one-quarter note, one-half note, and full note. The data can then be recorded serially on a serial data recorder, such as on a standard cassette recorder. For playback, the serial data from a cassette is converted into parallel data and appropriately channelled to each of the instruments for display. The system can, in the playback mode, pass the data through the memory to the displays of the musical instruments so as to enable the playback rate to be decreased as, for example, in teaching the playing of a song at a slow rate. Finally, each of the musical instruments involved has a light display, such as light-emitting diodes, which indicate the note and time values.
REFERENCES:
patent: 3771406 (1973-11-01), Wheelwright
patent: 3881390 (1975-05-01), Gullickson
patent: 3895554 (1975-07-01), Maillet
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