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US Patent 9927921 Infrared touch screen device

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
99279211
Patent Inventor Names
Jun Goo Lee1
Date of Patent
March 27, 2018
1
Patent Application Number
151869721
Date Filed
June 20, 2016
1
Patent Citations Received
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US Patent 11868568 Touch device
2
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US Patent 12086362 Optical component
3
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4
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5
Patent Primary Examiner
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Tom Sheng
1
Patent abstract

Provided is an infrared touch screen device including the transmission unit which contains the rectangular bezel which is constituted so that the touch screen panel is to be installed, and the multiple numbers of light transmitting elements which are installed in the lengthwise direction of corresponding bezel to one horizontal bezel and one vertical bezel respectively among the bezels and transmitting the infrared rays forward, and the reception unit which is further configured to have the multiple numbers of light receiving elements which are installed at two bezels among the bezels so that the infrared rays transmitted from the transmission unit is to be received and contain the band pass filter which makes only the infrared rays of specific wavelength band among the infrared rays transmitted from the transmission unit to be received by the multiple numbers of light receiving elements.

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