Integrated scanner on a common substrate
First Claim
Patent Images
1. A scan module for scanning indicia to be electro-optically read, the module comprising:
- a) a generally planar substrate;
b) a raised support mounted on the substrate;
c) a scan element mounted on the substrate, for reflecting light incident on the scan element;
d) a light source mounted on the raised support at an elevation above the scan element, for emitting a light beam in a direction parallel to the substrate; and
e) optics mounted on the substrate between the light source and the scan element, for focusing and deflecting the light beam to the scan element for reflection therefrom away from the substrate as a focused scanning beam across the indicia.
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Abstract
An integrated scanner for scanning a barcode is formed on a common substrate. The scanner may include a micro-machined mirror, a laser diode, and a detector, mounted on a single substrate or several connected substrates. Lenses can be used to focus a laser beam from the laser diode as well as expand a laser beam deflected by the micro-machined mirror. The scanner may also scan a barcode without using a micro-machined mirror by rotating the laser diode.
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Citations
8 Claims
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1. A scan module for scanning indicia to be electro-optically read, the module comprising:
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a) a generally planar substrate;
b) a raised support mounted on the substrate;
c) a scan element mounted on the substrate, for reflecting light incident on the scan element;
d) a light source mounted on the raised support at an elevation above the scan element, for emitting a light beam in a direction parallel to the substrate; and
e) optics mounted on the substrate between the light source and the scan element, for focusing and deflecting the light beam to the scan element for reflection therefrom away from the substrate as a focused scanning beam across the indicia. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification