Timepiece provided with driving means formed by a piezo-electric

Details Timepiece provided with driving means formed by a piezo-electric Timepiece provided with driving means formed by a piezo-electric

1993-09-08

1994-10-18

Miska, Vit W.

Horology: time measuring systems or devices

With calendar indicator

Movable ring or disk

368157, 310323, G04B 1920, G04F 500

Patent

active

053574893

ABSTRACT:
A timepiece comprising a display (2) such as a data display and a driving motor (M1, M2) for driving the display is characterized in that the driving motor comprises a piezo-electric motor directly engaging the display.

REFERENCES:
patent: 3726080 (1991-04-01), Vosseller
patent: 4786836 (1988-11-01), Tokushima
patent: 5023853 (1991-06-01), Kawata et al.
patent: 5043956 (1991-08-01), Tsukada et al.
Patent Abstracts of Japan; vol. 9, No. 262 (P-398) (1985) 19 Oct. 1985 and JP-A-60 111 178 (Suwa Seikosha K.K.) 17 Jun. 1985.
Patent Abstracts of Japan; vol. 12, No. 334 (P-756) 8 Sep. 1988 and JP-A-63 096 591 (Seiko Epson Corp.) 27 Apr. 1988.
Patent Abstracts of Japan; vol. 11, No. 354 (P-638) 19 Nov. 1987 and JP-A-62 133 379 (Seiko Epson Corp.) 16 Jun. 1987.

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