OPTICAL PEN AND OPTICAL TOUCH SYSTEM WITH SAME
First Claim
1. An optical pen, comprising:
- a housing;
a light source module received in the housing and configured for emitting light;
an optical lens configured for converging the light emitted from the light source module, the optical lens comprising an optical portion and a supporting portion around the optical portion;
a pen tip positioned at an end of the housing and configured for guiding and projecting the light out of the housing; and
a shielding member around the optical portion attached to the optical lens and covering the supporting portion, the shielding member being configured for blocking the light passing through the supporting portion from entering into the pen tip.
1 Assignment
0 Petitions
Accused Products
Abstract
An optical pen is disclosed. The handwriting input pen includes a housing, a light source module received in the housing, an optical lens, a pen tip. The light source module is configured for emitting light. The optical lens is configured for converging light emitted from the light source module, the optical lens comprising an optical portion and a supporting portion around the optical portion. The pen tip is positioned at an end of the housing and is configured for guiding light out of the housing to project. The shielding member is around the optical portion attached to the optical lens and covering the supporting portion of the optical lens, and is configured for stopping the light passing through the supporting portion from entering into the pen tips.
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Citations
11 Claims
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1. An optical pen, comprising:
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a housing; a light source module received in the housing and configured for emitting light; an optical lens configured for converging the light emitted from the light source module, the optical lens comprising an optical portion and a supporting portion around the optical portion; a pen tip positioned at an end of the housing and configured for guiding and projecting the light out of the housing; and a shielding member around the optical portion attached to the optical lens and covering the supporting portion, the shielding member being configured for blocking the light passing through the supporting portion from entering into the pen tip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An optical touch system, comprising:
an optical pen comprising; a housing; a light source module received in the housing and configured for emitting light; an optical lens configured for converging the light emitted from the light source module, the optical lens comprising an optical portion and a supporting portion around the optical portion; a pen tip positioned at an end of the housing and configured for guiding and projecting the light out of the housing; and a shielding member around the optical portion attached to the optical lens and covering the supporting portion, the shielding member being configured for blocking the light passing through the supporting portion from entering into the pen tip.
Specification