Hand type musical timepiece

Details Hand type musical timepiece Hand type musical timepiece

1983-09-28

1984-10-02

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368223, 368272, G04B 1904, G04B 2100

Patent

active

044744803

ABSTRACT:
A hand type musical timepiece, namely, an analog musical timepiece comprising a hand adapted to be driven by a step motor for the visual indication of tones of a melody, a staff or a pattern of a keyboard formed on a plane extending adjacently to an imaginary plane to be swept by the hand, a melody playing device, and a normal-reverse rotation controller to move the hand in synchronism with the melody so that the hand indicates the position corresponding to the individual tone of the melody on the staff or on the keyboard. The time indicating operation and the tone indicating operation of the hand and the mode changeover operation are controlled by an exclusive circuit designed therefor and a programmed microcomputer.

REFERENCES:
patent: 4223522 (1980-09-01), Nomura et al.
patent: 4368989 (1983-01-01), Kawashima
patent: 4388000 (1983-06-01), Hagihira

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