# US 2022/0033191 A1 · Metal or rubber resonators for use in monitoring conveyor belt wear and longitudinal rip sensor systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0033191 A1 - Document ID: US20220033191A1 - Status: Published application - Kind: A1 - Application number: 17/309,441 - Filed: 2019-11-27 - Published: 2022-02-03 - Earliest claimed: 2018-11-28 - Assignees: ContiTech Transportbandsysteme GmbH - Applicants: Contitech Transportbandsysteme GmbH - Inventors: Jack Bruce Wallace - Web page: https://patentgrep.com/patent/US20220033191A1 ## CPC - B65G 43/02: detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating - B65G 2203/0275: Damage on the load carrier - B65G 2203/046: RFID - B65G: TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS (packaging B65B; handling thin or filamentary materials, e.g. paper sheets or thread, B65H; cranes B66C; portable mobile or lifting or hauling appliances, e.g. hoists, B66D; devices for lifting or lowering goods for loading or unloading purposes, e.g. fork-lift trucks, B66F9/00; emptying bottles, jars, casks, barrels or similar containers, not otherwise provided for, B67C9/00; delivering or transferring liquids B67D; filling or discharging vessels for liquefied, solidified or compressed gases F17C; pipe-line systems for fluids F17D) ## Abstract A system for detecting properties of a rubber product is disclosed. The system includes a dipole antenna and circuitry. The dipole antenna is configured to obtain antenna measurements and measure for a resonance frequency of a conductive resonator (200), wherein the dipole antenna (200) is positioned at a first position (A) and a second position (B). The circuitry is configured to determine one or more resonator properties (X) based on the antenna measurements. ## Claims ### Claim 1 A system for detecting one or more properties of a rubber product, the system comprising: an embedded conductive resonator embedded in the rubber product, the resonator having a sheathing where dielectric properties of the resonator are based on wear of the sheathing and a resonance frequency of the resonator is based on the dielectric properties; an antenna configured to obtain antenna measurements of the embedded conductive resonator, wherein the dipole antenna is and positioned in one or more positions proximate to the embedded conductive resonator; and circuitry configured to determine one or more resonator properties based on the antenna measurements, wherein the one or more resonator properties include a change in resonance frequency. ### Claim 2 (canceled) ### Claim 3 (depends on 1) The system of claim 1, wherein the circuitry is configured to determine characteristics of the rubber product based on the determined one or more resonator properties, prior resonance information, resonator position and resonator identification information. ### Claim 4 (depends on 3) The system of claim 3, wherein the determined characteristics of the rubber product comprise one or more of temperature, compound aging, damage, wear and rip. ### Claim 5 (depends on 3) The system of claim 3, wherein the prior resonance information comprises previous antenna measurements for the conductive resonator and previous determined characteristics of the rubber product. ### Claim 6 (canceled) ### Claim 7 (depends on 3) The system of claim 3, wherein the resonator identification information includes a location on a belt and an assigned property to monitor. ### Claim 8 (depends on 1) The system of claim 1, wherein the conductive resonator is substantially straight across a lateral direction of a belt. ### Claim 9 (depends on 1) The system of claim 1, wherein the conductive resonator has a sinusoidal shape or a spring shape that facilitate extension and/or compression of the conductive resonator. ### Claim 10 (depends on 1) The system of claim 1, wherein the conductive resonator is configured to elongate with the rubber product. ### Claim 11 (depends on 10) The system of claim 10, wherein the conductive element comprises a carbon nano-tube conductive element. ### Claim 12 (canceled) ### Claim 13 (depends on 1) The system of claim 1, wherein the rubber product is one of a group subject to wear, such as those comprising a chute liner, a skirt board, a scraper, a plow, a rubber lagging and a tire tread. ### Claim 14 (depends on 1) The system of claim 1, wherein the antenna is a dipole antenna. ### Claim 15 (depends on 1) The system of claim 1, wherein the conductive resonator has a length based on a belt width and a loss of delta Fr at a fixed bandwidth indicates a rip in a conveyor belt. ### Claim 16 (depends on 1) The system of claim 1, wherein the conductive resonator comprises a plurality of fixed length resonators having an overlap and cover a belt width, wherein the plurality of fixed length resonators facilitate wear detection and rip detection based on a loss of delta Fr at a fixed bandwidth and/or a shift of delta Fr at the fixed bandwidth. ### Claim 17 (canceled) ### Claim 18 (depends on 1) The system of claim 1, wherein the product includes an embedded circuit to transmit data during use of the product, wherein the transmitted data includes wear information. ### Claim 19 (depends on 18) The system of claim 18, wherein the product includes radio-frequency identification (RFID) circuitry to generate electromagnetic fields to transmit data, wherein the transmitted data includes wear information. ### Claim 20 (canceled) ### Claim 21 (depends on 1) The system of claim 1, wherein the product comprises a plurality of conductive resonators disposed at regular locations and coupled to the wear monitoring arrangement and wherein the plurality of conductive resonators are arranged across a belt width of the product and the arrangement includes overlapping regions, the plurality of conductive resonators including the embedded conductive resonator. ### Claim at position 22 22-25. (canceled) ### Claim 26 (depends on 1) The system of claim 1, the circuitry further configured to measure a dipole field proximate the resonator, determine a resonance frequency based on the measurements, and determine one or more properties based on the resonance frequency and one or more previous resonance frequencies associated with the rubber product and the conductive resonator. ### Claim 27 (depends on 26) The system of claim 26, the one or more properties include wear and rip. ### Claim 28 (depends on 27) The system of claim 27, the determined one or more properties is further based on location information of the conductive resonator within the rubber product and the location information is received by way of a radio frequency identification (RFID) circuitry located within the rubber product. ### Claim 29 (depends on 1) The system of claim 1, the rubber product is an elastomeric conveyor belt.