Card for interaction with a computer
First Claim
Patent Images
1. A smart card comprising:
- a memory for storing information;
at least one transmitting or receiving antenna, suitable for transmitting or receiving acoustic signals; and
a low frequency circuit, adapted to handle transmission of information from the memory, or reception of information for storage in the memory, via said antenna on an acoustic carrier, wherein said information is modulated on the acoustic carrier at a frequency of between 5 kHz and 100 kHz.
4 Assignments
0 Petitions
Accused Products
Abstract
A smart card comprising: a memory for storing information; at least one transmitting or receiving antenna; and a low frequency circuit, for handling information associated with said antenna and said memory, which information is modulated at a modulation frequency of between 5 kHz and 100 kHz. Preferably the antenna is an acoustic antenna.
-
Citations
55 Claims
-
1. A smart card comprising:
-
a memory for storing information; at least one transmitting or receiving antenna, suitable for transmitting or receiving acoustic signals; and a low frequency circuit, adapted to handle transmission of information from the memory, or reception of information for storage in the memory, via said antenna on an acoustic carrier, wherein said information is modulated on the acoustic carrier at a frequency of between 5 kHz and 100 kHz. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
-
-
38. A smart card, comprising:
-
a memory for storing information; at least one transmitting or receiving acoustic antenna; and a low frequency circuit, for handling information associated with said antenna and said memory, wherein said information is modulated on an acoustic carrier frequency of between 5 kHz and 30 kHz. - View Dependent Claims (39, 40, 41, 42, 43, 44)
-
-
45. A smart card, comprising:
-
a memory for storing information; at least one transmitting or receiving piezoelectric antenna; and a low frequency circuit, adapted for transmission of acoustic signals through the piezoelectric antenna, and for handling information associated with said antenna and said memory, wherein said information is modulated on an acoustic carrier frequency of between 5 kHz and 100 kHz. - View Dependent Claims (46, 47, 48)
-
-
49. A smart card, comprising:
-
a memory for storing information; at least one transmitting or receiving acoustic antenna; a low frequency circuit, for handling information associated with said antenna and said memory, wherein said information is modulated on a carrier frequency of between 5 kHz and 100 kHz; and a high frequency circuit, for handling information associated with said antenna and said memory, wherein said information is modulated on a carrier frequency higher than 1 MHz. - View Dependent Claims (50, 51)
-
-
52. A smart card, comprising:
-
a memory for storing information; at least one receiving acoustic antenna; and a low frequency circuit, for handling information transmitted to the at least one receiving antenna, wherein said information is modulated on an acoustic carrier frequency of between 5 kHz and 100 kHz. - View Dependent Claims (53, 54, 55)
-
Specification