Passive Tag And Radio Frequency Identification System Utilizing The Same
First Claim
Patent Images
1. A passive tag receiving a reader signal provided by a reader, comprising:
- an antenna receiving the reader signal within an operation frequency band;
an oscillator circuit coupled to the antenna and generating a frequency signal; and
an internal chip processing the reader signal, wherein the internal chip processes the reader signal according to power provided by the reader signal and the frequency signal when the reader signal is received and the frequency signal is generated.
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Abstract
A passive tag receiving a reader signal provided by a reader is disclosed. The passive tag includes an antenna, an oscillator circuit, and an internal chip. The antenna receives the reader signal. The reader signal is within an operation frequency band. The oscillator circuit is coupled to the antenna and generates a frequency signal. The internal chip processes the reader signal according to power provided by the reader signal and the frequency signal when the reader signal is received and the frequency signal is generated.
9 Citations
20 Claims
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1. A passive tag receiving a reader signal provided by a reader, comprising:
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an antenna receiving the reader signal within an operation frequency band; an oscillator circuit coupled to the antenna and generating a frequency signal; and an internal chip processing the reader signal, wherein the internal chip processes the reader signal according to power provided by the reader signal and the frequency signal when the reader signal is received and the frequency signal is generated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A radio frequency identification (RFID) system, comprising:
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a reader providing a reader signal; and a passive tag comprising; an antenna receiving the reader signal within an operation frequency band; an oscillator circuit coupled to the antenna and generating a frequency signal; and an internal chip processing the reader signal, wherein the internal chip processes the reader signal according to power provided by the reader signal and the frequency signal when the reader signal is received and the frequency signal is generated. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification