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US 7,018,055 B2Granted
Image projecting device and image projecting method
AssigneeSony Corporation
InventorToru Suzuki
Life of this patent
Estimating the term…
Abstract
The present invention provides an image projecting device for projecting projecting light corresponding to image information by projecting means. The image projecting device includes at least scanning monitoring means for monitoring entrance of an entering object into a projecting area on which the projecting light is projected. The scanning monitoring means monitors at least a part of outer edges of the projecting area on which the projecting light from the projecting means is projected.
Claims12
An image projecting device, comprising:
- a projecting light source for projecting projected light corresponding to image information by projecting means on a projecting area for receiving said projected light, said projecting area defining outer edges;
- scanning monitoring means emitting a monitoring wave for monitoring entrance of an entering object into said projecting area on which said projecting light is projected;
- said scanning monitoring means performing monitoring along at least a part of said outer edges of the projecting area on which said projecting light from said projecting means is projected,
- wherein at least a part of a monitoring wave emitted from said scanning monitoring means is reflected for monitoring by reflecting means, wherein said reflecting means comprises first reflecting means and second reflecting means;
- and said first reflecting means and said second reflecting means each comprise a first mirror and a second mirror.
2 more elements
An image projecting device, comprising:
- a source of projected light;
- a projecting area for receiving projected light, said projecting area defined by a substantially horizontal line S1, and a pair of spaced substantially vertical lines S2 and S3 respectively;
- scanning monitoring means emitting a monitoring wave for monitoring entrance of an entering object into said projecting area on which said projected light is projected, said scanning monitoring means performing monitoring along at least a part of said outer edges of the projecting area;
- reflecting means for reflecting at least a part of said monitoring wave emitted from said scanning monitoring means, said reflecting means having a first reflecting means and a second reflecting means, each comprising a first mirror and a second mirror, wherein
- said scanning monitoring means and said reflecting means cooperate to scan at least a portion of said edges of said projecting area.
2 more elements
Dependencies are inferred from the claim text.