Near-contact optical touch-screen sensor module
A near-contact optical touch-screen sensor module is disclosed in this invention. This sensor module includes a patterned light filtering top glass plate having an array of light filtering window slit holes as the locations for the sensor switches, a LED diode lightened light guide placed in paralle...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
19.06.2003
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | A near-contact optical touch-screen sensor module is disclosed in this invention. This sensor module includes a patterned light filtering top glass plate having an array of light filtering window slit holes as the locations for the sensor switches, a LED diode lightened light guide placed in parallel underneath the patterned light filtering top glass plate emitting out a uniform band of light beams transmitting through the window slit holes of the top glass plate, and a serial-scan linear image sensing array supported on a print circuit board having the photo-detecting elements placed closely underneath the neighbor of each of the window slit holes of the top glass plate. The output signals of the image sensing array will indicate if a particular window slit has been touched by the fingertip. |
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| AbstractList | A near-contact optical touch-screen sensor module is disclosed in this invention. This sensor module includes a patterned light filtering top glass plate having an array of light filtering window slit holes as the locations for the sensor switches, a LED diode lightened light guide placed in parallel underneath the patterned light filtering top glass plate emitting out a uniform band of light beams transmitting through the window slit holes of the top glass plate, and a serial-scan linear image sensing array supported on a print circuit board having the photo-detecting elements placed closely underneath the neighbor of each of the window slit holes of the top glass plate. The output signals of the image sensing array will indicate if a particular window slit has been touched by the fingertip. |
| Author | CHEN PAO-JUNG |
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| Notes | Application Number: US20010025251 |
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| Snippet | A near-contact optical touch-screen sensor module is disclosed in this invention. This sensor module includes a patterned light filtering top glass plate... |
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| SubjectTerms | BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS PULSE TECHNIQUE |
| Title | Near-contact optical touch-screen sensor module |
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