A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Dual function strap for resonating elements and ultra high frequency antennas
A combined EAS and RFID circuit includes an HF coil antenna, a UHF tuning loop, and an RFID chip coupled to a strap that includes a first coupling area and a second coupling area. The coil ends of the HF coil antenna are configured to capacitively and/or conductively couple to one or both of the first coupling area or second coupling area of the strap. The HF coil antenna can include a gap between turns for non-interfering placement of the UHF tuning loop. The EAS circuit can be deactivating upon application of a field at the resonant frequency of sufficient intensity to cause the breakdown voltage to be exceeded between a coil end and coupling area. The threshold breakdown voltage between a coil end and a coupling area can be reduced by laser ablation treatment of a conductive surface of one or both of the coil end or coupling area.
Dual function strap for resonating elements and ultra high frequency antennas
A combined EAS and RFID circuit includes an HF coil antenna, a UHF tuning loop, and an RFID chip coupled to a strap that includes a first coupling area and a second coupling area. The coil ends of the HF coil antenna are configured to capacitively and/or conductively couple to one or both of the first coupling area or second coupling area of the strap. The HF coil antenna can include a gap between turns for non-interfering placement of the UHF tuning loop. The EAS circuit can be deactivating upon application of a field at the resonant frequency of sufficient intensity to cause the breakdown voltage to be exceeded between a coil end and coupling area. The threshold breakdown voltage between a coil end and a coupling area can be reduced by laser ablation treatment of a conductive surface of one or both of the coil end or coupling area.
Dual function strap for resonating elements and ultra high frequency antennas
FORSTER IAN J (author)
2022-11-01
Patent
Electronic Resource
English
Dual function strap for resonating elements and ultra high frequency antennas
| European Patent Office | 2023
DUAL FUNCTION STRAP FOR RESONATING ELEMENTS AND ULTRA HIGH FREQUENCY ANTENNAS
| European Patent Office | 2020
DUAL FUNCTION STRAP FOR RESONATING ELEMENTS AND ULTRA HIGH FREQUENCY ANTENNAS
| European Patent Office | 2023
Dual function strap for resonating elements and ultra high frequency antennas
| European Patent Office | 2020
DUAL FUNCTION STRAP FOR RESONATING ELEMENTS AND ULTRA HIGH FREQUENCY ANTENNAS
| European Patent Office | 2018