TOUCH SCREEN RFID TAG READER
First Claim
1. An apparatus for providing radio frequency identification (RFID) and touch sensing capability, comprising:
- a touch sensor panel, the touch sensor panel including one or more substrates and a plurality of drive lines and a plurality of sense lines, the plurality of drive lines and the plurality of sense lines formed on one or more of the substrates; and
an RFID circuit, the REID circuit including an antenna and a control circuit coupled to the antenna, the antenna formed on a same side of the substrate as either the plurality of drive lines or the plurality of sense lines.
1 Assignment
0 Petitions
Accused Products
Abstract
The efficient incorporation of RFID circuitry within touch sensor panel circuitry is disclosed. The RFID antenna can be placed in the touch sensor panel, such that the touch sensor panel can now additionally function as an RFID transponder. No separate space-consuming RFID antenna is necessary. Loops (single or multiple) forming the loop antenna of the RFID circuit (for either reader or tag applications) can be formed from metal on the same layer as metal traces formed in the borders of a substrate. Forming loops from metal on the same layer as the metal traces are advantageous in that the loops can be formed during the same processing step as the metal traces, without requiring a separate metal layer.
147 Citations
25 Claims
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1. An apparatus for providing radio frequency identification (RFID) and touch sensing capability, comprising:
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a touch sensor panel, the touch sensor panel including one or more substrates and a plurality of drive lines and a plurality of sense lines, the plurality of drive lines and the plurality of sense lines formed on one or more of the substrates; and an RFID circuit, the REID circuit including an antenna and a control circuit coupled to the antenna, the antenna formed on a same side of the substrate as either the plurality of drive lines or the plurality of sense lines. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for providing radio frequency identification (RFID) functionality on a touch sensor panel, comprising:
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forming a plurality of drive lines and a plurality of sense lines on one or more substrates of the touch sensor panel, the plurality of drive lines and the plurality of sense lines providing touch sensing capability; and forming an RFID circuit including an antenna and a control circuit coupled to the antenna on a substrate of the touch sensor panel, the antenna formed on a same side of the substrate as either the plurality of drive lines or the plurality of sense lines. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A mobile telephone including an apparatus for providing radio frequency identification (RFID) and touch sensing capability, the apparatus comprising:
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a touch sensor panel, the touch sensor panel including one or more substrates and a plurality of drive lines and a plurality of sense lines, the plurality of drive lines and the plurality of sense lines formed on one or more of the substrates; and an RFID circuit, the RFID circuit including an antenna and a control circuit coupled to the antenna, the antenna formed on a same side of the substrate as either the plurality of drive lines or the plurality of sense lines.
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25. A digital audio player including an apparatus for providing radio frequency identification (RFID) and touch sensing capability, the apparatus comprising:
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a touch sensor panel, the touch sensor panel including one or more substrates and a plurality of drive lines and a plurality of sense lines, the plurality of drive lines and the plurality of sense lines formed on one or more of the substrates; and an RFID circuit, the RFID circuit including an antenna and a control circuit coupled to the antenna, the antenna formed on a same side of the substrate as either the plurality of drive lines or the plurality of sense lines.
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Specification