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Patent Searching and Data


Title:
DISPLAY USING POINTER
Document Type and Number:
WIPO Patent Application WO/1989/006387
Kind Code:
A1
Abstract:
This invention relates to a device for displaying data by using a pointer driven by a stepper motor capable of rotating in both directions and moving within a limited range. A driving signal sufficient to make the stepper motor unidirectionally scan the full limited range described above is applied to the stepper motor and the pointer can be attached easily. Furthermore, out-of-scale prohibition circuit means is added as required by an object of measurement so as to prevent erroneous display.

Inventors:
MUTO TAKEO (JP)
SASE MASAHIRO (JP)
KATO YOSHIAKI (JP)
Application Number:
PCT/JP1988/001318
Publication Date:
July 13, 1989
Filing Date:
December 23, 1988
Export Citation:
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Assignee:
CITIZEN WATCH CO LTD (JP)
International Classes:
G04C3/14; G04C17/00; (IPC1-7): G04C3/14; G01D7/00
Foreign References:
JPS5752880A1982-03-29
JPS62274288A1987-11-28
JPS63298090A1988-12-05
JPH047872Y21992-02-28
Other References:
See also references of EP 0362390A4
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