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US 6,724,103 B2Granted
Contact-free portable object comprising one or several contact-free peripheral device
AssigneeAsk S.A.
InventorOlivier Parrault
Life of this patent
Estimating the term…
Abstract
A portable contactless object (10) featuring a main chip (12) and a main antenna (14) enabling communication between the chip and the reader associated with the portable contactless object. This portable contactless object also features at least one contactless peripheral device (16), having a function different than that of the main chip not connected by ohmic contact to the latter and requiring only a small amount of energy to operate.
Claims13
A contactless portable object comprising
- a main chip,
- a main antenna enabling communication between said chip and a reader associated with said contactless portable object,
- at least one contactless peripheral device, having a function different than that of the main chip, not connected by ohmic contact to the latter and requiring only a small amount of energy to operate,
- wherein said peripheral device can send a response to said portable object reader by using retromodulation, through a flat coil, coupled to the main antenna of said portable object.
1 more element
Dependencies are inferred from the claim text.