RFID-UHF integrated circuit
First Claim
1. A contactless integrated circuit comprising:
- a radiofrequency identification communication interface comprising an antenna coil that receives a first induced alternating voltage when the integrated circuit is in the presence of a radiofrequency magnetic field, ‘
an ultrahigh frequency communication interface comprising a UHF antenna that receives a second induced alternating voltage when the contactless integrated circuit is in the presence of a UHF electric field signal, a data processing unit linked to the first communication interface, the data processing unit being equipped with an electrically programmable and erasable memory, and an interface multiplexer that couples the data processing unit to one or other of the RFID communication interface and the UHF communication interface.
5 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to a contactless integrated circuit comprising an RFID communication interface comprising an antenna coil for receiving a first induced alternating voltage when the integrated circuit is in the presence of an RF magnetic field, and a data processing unit linked to the first communication interface, the data processing unit being equipped with an electrically programmable and erasable memory. According to the present invention the integrated circuit further comprises a UHF communication interface comprising a UHF antenna for receiving a second induced alternating voltage when the integrated circuit is in the presence of a UHF electric field signal, and a multiplexing means for linking the data processing unit to one or other of the two communication interfaces.
74 Citations
18 Claims
-
1. A contactless integrated circuit comprising:
-
a radiofrequency identification communication interface comprising an antenna coil that receives a first induced alternating voltage when the integrated circuit is in the presence of a radiofrequency magnetic field, ‘
an ultrahigh frequency communication interface comprising a UHF antenna that receives a second induced alternating voltage when the contactless integrated circuit is in the presence of a UHF electric field signal,a data processing unit linked to the first communication interface, the data processing unit being equipped with an electrically programmable and erasable memory, and an interface multiplexer that couples the data processing unit to one or other of the RFID communication interface and the UHF communication interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
-
Specification