Liquid crystal display meter apparatus

Details Liquid crystal display meter apparatus Liquid crystal display meter apparatus

2011-05-17

2011-05-17

Sherman, Stephen G (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S156000, C340S441000

Reexamination Certificate

active

07944422

ABSTRACT:
The present invention is to provide a liquid crystal display (LCD) meter apparatus having a small influence of a residual image of a pointer. The LCD meter apparatus for displaying a dial plate and a pointer includes a moving-speed calculating device for calculating the moving-speed of the pointer; and an image density changing device for reducing the image density of the pointer responding to the moving-speed of the pointer calculated with the moving-speed calculating device. The image density of the pointer becomes thinner as the moving speed of the pointer becomes faster so that an erasing time of the image becomes shorter or a residual image remains shorter. Both residual and latest images are displayed thinly, the plurality of the images including the residual images do not give a noticeable appearance so that the LCD meter apparatus provides a clear view.

REFERENCES:
patent: 5949346 (1999-09-01), Suzuki et al.
patent: 6556180 (2003-04-01), Furuhashi et al.
patent: 2003/0151614 (2003-08-01), Knee et al.
patent: 2001-117074 (2001-04-01), None

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