Multi-faced payment card with partitioned dual smart chips and antennae

Abstract

The disclosed embodiments provide a payment card. The payment card may have a first face and a second face opposite the first. Additionally, the payment card may comprise a first smart chip, the first smart chip having contacts that are electronically accessible from the first face of the card. The payment card may further comprise a first antenna coupled to the first smart chip, the first antenna providing near-field contactless access to the first smart chip and a second smart chip, the second smart chip having contacts that are electronically accessible from the second face of thecard. Additionally, the payment card may comprise a second antenna coupled to the second smart chip, the second antenna providing near-field contactless access to the second smart chip and an RF block that electronically isolates the first antenna and the second antenna from each other.

What is claimed is: 
     
         1 . A payment device comprising:
 a first antenna;   a second antenna;   a set of chips, wherein each antenna of the first and second antennas provides contactless access to at least one chip of the set of chips; and   an RF block positioned between the first antenna and the second antenna such that the RF block shields the first antenna from an RF signal of the second antenna and shields the second antenna from an RF signal of the first antenna, and wherein the first antenna is not in electrically conductive contact with the second antenna.   
     
     
         2 . The payment device of  claim 1 , wherein the set of chips comprises a system on a chip (SOC). 
     
     
         3 . The payment device of  claim 2 , wherein the SOC performs operations comprising: 
 obtaining user information; and   authenticating the user information, wherein the authentication of the user information causes a sending of data to a network in response to the authentication.   
     
     
         4 . The payment device of  claim 1 , wherein the RF block comprises a ferromagnetic material. 
     
     
         5 . The payment device of  claim 1 , further comprising a magnetic material on a surface of the payment device. 
     
     
         6 . The payment device of  claim 1 , wherein the RF block is perpendicular to a middle of the payment device. 
     
     
         7 . The payment device of  claim 1 , wherein the RF block is diagonal with respect to a surface of the payment device. 
     
     
         8 . The payment device of  claim 1 , wherein the RF block is in physical contact with the first antenna. 
     
     
         9 . The payment device of  claim 1 , wherein the first antenna is attached to substrate layer of the payment device, and wherein the RF block is attached to the substrate layer. 
     
     
         10 . The payment device of  claim 1 , further comprising a third antenna, wherein:
 the set of chips comprises a first chip and a second chip;   the first antenna and the third antenna are in conductive contact with the first chip;   the second antenna is in conductive contact with the second chip.   
     
     
         11 . The payment device of  claim 1 , further comprising a third antenna, wherein:
 the set of chips comprises a first chip, a second chip, and a third chip;   the first antenna is in conductive contact with the first chip;   the second antenna is in conductive contact with the second chip; and   the third antenna is in conductive contact with the third chip.   
     
     
         12 . The payment device of  claim 11 , wherein the RF block is a first RF block, the payment device further comprising a second RF block, and wherein the second RF block is positioned between the first antenna and the third antenna. 
     
     
         13 . The payment device of  claim 1 , wherein the RF block has a curved shape. 
     
     
         14 . The payment device of  claim 1 , wherein the first antenna and the second antenna are positioned at opposite ends of the payment device. 
     
     
         15 . The payment device of  claim 1 , wherein the first antenna is closer to a surface of the payment device than the set of chips. 
     
     
         16 . The payment device of  claim 1 , wherein the set of chips causes a transmission of data to a network associated with an account such that data stored on the set of chips is sent to the network. 
     
     
         17 . A method comprising:
 receiving a first set of signals at a first antenna and a second antenna of a payment device, the payment device comprising:
 a radiofrequency (RF) block is positioned between the first antenna and the second antenna, wherein the first antenna is not in electrically conductive contact with the second antenna; and 
 a set of chips, wherein each antenna of the first and second antennas provides contactless access to at least one chip of the set of chips; 
   in response to receiving the first set of signals at the first antenna and the second antenna, transmitting a second set of signals, wherein:   a first RF signal of the second set of signals is transmitted via the first antenna;   a second RF signal of the second set of signals is transmitted via the second antenna; and   the RF block shields the first RF signal from signal interference generated by the second antenna and shields the second RF signal from signal interference generated by the first antenna.   
     
     
         18 . The method of  claim 17 , further comprising:
 obtaining user information; and   authenticating the user information, wherein the authentication of the user information causes a sending of data derived from the first RF signal to a network in response to the authentication.   
     
     
         19 . A set of non-transitory, machine-readable media storing instructions that, when executed by a set of processors, performs operations comprising transmitting a first set of signals in response to receiving a second set of signals at a first antenna of a payment device and a second antenna of the payment device, wherein:
 a first RF signal of the second set of signals is transmitted via the first antenna;   a second RF signal of the second set of signals is transmitted via the second antenna;   at least one chip of a set of chips of the payment device is in conductive contact with the first antenna;   at least one chip of a set of chips of the payment device is in conductive contact with the second antenna;   an RF block of the payment device shields the first RF signal from signal interference generated by the second antenna and shields the second RF signal from signal interference generated by the first antenna.   
     
     
         20 . The set of non-transitory, machine-readable media of  claim 19 , wherein transmitting the first set of signals further comprises:
 receiving a user input indicating a selection of an account; and   sending data of the account to a network associated with the account.