Stabilized image projecting device

Details Stabilized image projecting device Stabilized image projecting device

2007-10-23

2007-10-23

Fuller, Rodney (Department: 2851)

Optics: image projectors

Pointer

C353S046000, C353S121000

Reexamination Certificate

active

11030566

ABSTRACT:
A handheld projecting device is adapted to project an image and a pointer pattern on an external surface. The projecting device comprises a sensor to detect the movements of the projecting device and means to dampen the movements of the projected image, based on the detected movements of the projecting device. When the handheld projecting device is turned, the position of the projected image is kept substantially stationary whereas the pointer pattern moves on the projected image to indicate a point of the projected image. In an embodiment, the pointer pattern may be used to make a selection between graphically displayed options.

REFERENCES:
patent: 4956655 (1990-09-01), Wakebe
patent: 6764185 (2004-07-01), Beardsley et al.
patent: 2005/0280628 (2005-12-01), Adams et al.
patent: 2006/0103811 (2006-05-01), May et al.
patent: 10305497 (2004-08-01), None
patent: 2001221641 (2000-02-01), None
patent: 2004247804 (2004-09-01), None
patent: WO 0028370 (2000-05-01), None

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