U.S. Patent 7875814 was awarded to TPO Displays Corp. on 2011-01-25 and describes a “Electromagnetic digitizer sensor array structure.” This patent has been cited 250 times by other U.S. patents which places it in the top 500 cited patents since 2010 according to our law firm research, and makes it of the most innovative computer technology patents in the field of electrical engineering. The abstract states:

An electromagnetic digitizer having a sensor segment that includes a generally longitudinal network of conductive lines. Two or more conductive lines are coupled in parallel. To enhance sensitivity, the adjacent lines are interconnected along the longitudinal structure, using interconnections in the form of short lines, oriented at an angle. The sensor segments may be miniaturized, to facilitate integration into a display module using semiconductor fabrication processes. Various sensor array structures may be implemented using the sensor segment structures. The sensor array may include longitudinal sensor segments arranged in a parallel array. To further enhancing sensitivity of the sensor array, additional lines may be provided between adjacent longitudinal sensor segments. The sensor array may also include half loop (or U-shaped) sensor segments arranged in an overlapping parallel array, or full loop sensor segments arranged in an overlapping parallel array. Link: U.S. Patent 7875814

This patent was originally filed on 2006-07-21 which gives it a processing time of 1649 days, compared to an average processing time of 1745 in the field. TPO Displays Corp. has 192 total patents. The first named inventor is Ying-Chih Lee of Shengang Township, Akira-ka Agata. The assistant examiner was Jonathan Horner.

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