Electronic musical instrument having secondary storage of files

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Details

395404, 395456, 39549704, 84601, 84609, 364DIG1, 3642821, 3642481, 3642431, G06F 1200, G06F 1300

Patent

active

055133525

ABSTRACT:
Disclosed is an electronic appliance, for example such as an electronic musical instrument, having a secondary storage device for storing data to be recorded which can be easily divided into divisional elements under a plurality of predetermined items. With respect to information to be stored in the secondary storage device, a portion the same as the already stored information is not newly stored to thereby effectively use the storage capacity of the secondary storage device. In the electronic appliance, specifically, data to be stored as one file in the secondary storage device is divided into a plurality of constituent portions under predetermined items, file names are affixed respectively to files, and entry names are affixed respectively to the itemized constituent portions. A file to be newly stored is divided into a plurality of constituent portions under the predetermined items and a judgment is made as to whether any of the constituent portions of the new file is the same as any of the already stored constituent portions of the other file with respect to one and the same item, so that the same entry name is affixed to the same constituent portion without storing the contents of the constituent component in duplication so that the same data is used in common to a plurality of files.

REFERENCES:
patent: 4730252 (1988-03-01), Bradshaw
patent: 4788672 (1988-11-01), Toyooka et al.
patent: 4807182 (1989-02-01), Queen
patent: 4912637 (1990-03-01), Sheedy
patent: 4960030 (1990-10-01), Fujimori
patent: 5056021 (1991-10-01), Ausborn
patent: 5220119 (1993-06-01), Shimada
patent: 5270476 (1993-12-01), Rokkaku et al.
patent: 5280438 (1994-01-01), Kanemaru
patent: 5369216 (1994-11-01), Miyamoto
Theodor Nelson, "The Tyranny of the File", Dec. 15, 1986 pp. 83-85.

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