Music – Instruments – Electrical musical tone generation
Patent
1991-11-14
1992-08-04
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84 952, 206214, 206371, 206557, D 3 301, G10H 134
Patent
active
051349183
ABSTRACT:
A pencil box made in the shape of a mobile telephone, comprising an upper shell separated from a bottom shell by a transverse partition board, a big sliding box at one side below said partition board for holding pencils, two small sliding boxes at one end above said partition board, a small sliding box and a sliding pencil holder at an opposite end above said partition board, a movable pencil sharpener in said upper shell at the top, a music IC on said partition board controlled to produce sounds by music playing keys on said upper shell, a brake control assembly on said partition board to retain said sliding boxes and said sliding pencil holder and said pencil sharpener in place, spring means controlled by control keys on said upper shell to automatically respectively push said sliding boxes, said sliding pencil holder and said pencil sharpener out of said upper or bottom shell.
REFERENCES:
patent: 4882966 (1989-11-01), Silverman
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