CONTACTLESS CHIP MODULE, CONTACTLESS DEVICE, CONTACTLESS SYSTEM, AND METHOD FOR CONTACTLESS COMMUNICATION
First Claim
Patent Images
1. A contactless chip module, comprising:
- a power supply adapted to supply the contactless chip module with power obtained from an electromagnetic field;
a first receiver adapted to receive an actively modulated signal contained in the electromagnetic field; and
a second receiver adapted to receive a passively modulated signal contained in the electromagnetic field.
1 Assignment
0 Petitions
Accused Products
Abstract
A contactless chip module including a power supply, adapted to supply the contactless chip module with power obtained from an electromagnetic field; a first receiver adapted to receive an actively modulated signal; and a second receiver adapted to receive a passively modulated signal contained in the electromagnetic field.
32 Citations
19 Claims
-
1. A contactless chip module, comprising:
-
a power supply adapted to supply the contactless chip module with power obtained from an electromagnetic field; a first receiver adapted to receive an actively modulated signal contained in the electromagnetic field; and a second receiver adapted to receive a passively modulated signal contained in the electromagnetic field. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A contactless device, comprising:
-
an antenna; a contactless chip module comprising; a power supply adapted to supply the contactless chip module with power obtained from an electromagnetic field; a first receiver adapted to receive an actively modulated signal contained in the electromagnetic field; and a second receiver, adapted to receive a passively modulated signal contained in the electromagnetic field. - View Dependent Claims (11)
-
-
12. A contactless communication system, comprising:
-
a contactless terminal adapted to generate an electromagnetic field; a first contactless device comprising a power supply adapted to supply the first contactless device with power obtained from the electromagnetic field, and a transmitter adapted to transmit a signal; a second contactless device, comprising a power supply adapted to supply the second contactless device with power obtained from the electromagnetic field and a receiver adapted to receive the signal transmitted by the first contactless device. - View Dependent Claims (13, 14, 15)
-
-
16. A contactless communication method using a first and a second contactless device, wherein each contactless device comprises a power supply adapted to supply the contactless device with power obtained from an electromagnetic field, the method comprising:
-
transmitting a signal from the first contactless device; and receiving the signal at the second contactless device. - View Dependent Claims (17)
-
-
18. A contactless communication method using a contactless terminal and a first and a second contactless device, each contactless device comprising a power supply adapted to supply the contactless device with power obtained from an electromagnetic field, the method comprising:
-
transmitting a passively modulated signal by the second contactless device by means of passively modulating the electromagnetic field; receiving the passively modulated signal by the contactless terminal; relaying information contained in the received passively modulated signal by transmitting an actively modulated signal contained in the electromagnetic field; and receiving the actively modulated signal by the first contactless device.
-
-
19. A computer readable medium having stored thereon a computer program having a program code for performing a contactless communication method using a first and a second contactless device, wherein each contactless device comprises a power supply adapted to supply the respective contactless device with power obtained from an electromagnetic field, the method comprising:
-
transmitting a signal from the first contactless device; and receiving the signal at the second contactless device.
-
Specification