Moveable magnetic devices for electronic graphic displays

Details Moveable magnetic devices for electronic graphic displays Moveable magnetic devices for electronic graphic displays

2005-09-27

2005-09-27

Wu, Xiao (Department: 2674)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S110000, C345S109000, C345S108000, C349S059000

Reexamination Certificate

active

06950089

ABSTRACT:
In one aspect, the invention includes a fader controller comprised of a longitudinally extending track having a portion thereof extending over an image area of an electronic display, and a fader cap joined to the track for longitudinal sliding translation therealong. A plurality of permanent magnets are spaced along the track, and the fader cap includes at least one electromagnet. Conductive rails extend longitudinally on the track, and the fader cap includes contacts that electrically engage the conductive rails. The electromagnets are actuated to translate the fader cap distally or proximally along the track. In another aspect, the invention provides a magnetic arrangement for removably joining one or more controller device to a flat panel electronic display, whereby controllers such as switches, knobs, and faders (slide controllers) may be superposed on the display.

REFERENCES:
patent: 4597209 (1986-07-01), Hukill
patent: 6278431 (2001-08-01), Kao
patent: 6360464 (2002-03-01), Tate
patent: 6405465 (2002-06-01), Dwyer et al.
patent: 6603458 (2003-08-01), Fischer et al.
patent: 6606081 (2003-08-01), Jaeger et al.
patent: 6626303 (2003-09-01), Moodie
patent: 6647652 (2003-11-01), Seiber et al.

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