PATENT CLAIM ANALYSIS

Application Number: 15893474
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-01
Patent Classification: ["340", "010100"]

Abstract:
Systems and methods for locating one or more radio frequency identification (RFID) tags are provided. A phase difference of received information signals of illuminated RFID tags is utilized to locate the RFID tags. One or more exciters transmit interrogation signals to illuminate the RFID tags in which the exciters may have a plurality of antenna selectively configured to transmit through two or more antennas and to receive on one antenna. Multiple reads of the same RFID tag can also be performed to generate a probability model of the location of the RFID tag. An enhanced particle filter is applied to probability model to determine the exact location of the RFID.

Claim (Index 2):
A radio frequency identification (RFID) system for locating one or more RFID tags, the system comprising:\n at least one RFID tag; a plurality of antennas comprising:\n a plurality of transmit antennas configured to transmit interrogation signals to illuminate the at least one RFID tag; and \n at least one receive antenna to receive information signals from the at least one RFID tag; and \n a reader configured to:\n selectively activate the plurality of transmit antennas to transmit a plurality of interrogation signals at different frequencies; and \n identify a location of the at least one RFID tag based on locations of each of the plurality of transmit antennas, the location of the at least one receive antenna, and path lengths between the at least one receive antenna, the at least one RFID tag, and each of the plurality of transmit antennas, wherein the path lengths are determined from information signals received due to the transmission of the plurality of interrogation signals at different frequencies by the plurality of antennas configured to transmit interrogation signals.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 88.0
- Lexical Diversity: 1.69565
- Patent Class: 340.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['12423796', '14136653', '13309329', '14213851', '13757688']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7444425590166409
- 35 USC 102 Novelty (BERT): 0.5709580231571498
- Combined Prediction Score: 0.7270941054306919
- Mean Citation Score: 397.307758
- Max Citation Score: 447.54633
- Similarity Product: 408.7796654906738

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test