Battery life estimation

Abstract

Digital transaction apparatus including a Data Assistance Device (DAD), including a user interface that is operable to at least select data, and a DAD transmitter, a Digital Transaction Card (DTC), including a Digital Transaction Processing Unit (DTPU), and a DTC receiver, wherein the DAD and DTC are operable to transfer data from the DAD to the DTC and when subsequently using the DTC to effect a digital transaction, the DTC operates in accordance with the data selected and transferred from the DAD to the DTC, wherein the digital transaction apparatus further includes a remaining battery life estimation system operable to detect an occurrence of at least one electrical event and to measure the duration of the at least one electrical event, each electrical event having an associated power usage amount, and, subsequent to detection of an occurrence of an at least one electrical event, the remaining battery life estimation system calculates the total energy usage using the associated power usage amount in respect of the at least one electrical event and the duration of the at least one electrical event.

1 - 47 . (canceled) 
     
     
         48 . A digital transaction apparatus including:
 a Data Assistance Device (DAD), including:
 a user interface that is operable to at least select data, and a DAD transmitter; 
 a Digital Transaction Card (DTC), including:
 a Digital Transaction Processing Unit (DTPU), and 
 a DTC receiver, 
 
   
       wherein the DAD and DTC are operable to transfer data from the DAD to the DTC and when subsequently using the DTC to effect a digital transaction, the DTC operates in accordance with the data selected and transferred from the DAD to the DTC, and wherein the digital transaction apparatus further includes:
 a remaining battery life estimation system operable to detect an occurrence of at least one electrical event and to measure the duration of the at least one electrical event, each electrical event having an associated power usage amount, and, subsequent to detection of an occurrence of an at least one electrical event, the remaining battery life estimation system calculates the total energy usage using the associated power usage amount in respect of the at least one electrical event and the duration of the at least one electrical event. 
 
     
     
         49 . A digital transaction apparatus according to  claim 48 , wherein the transferred data includes data pertaining to one or more selectable personalities. 
     
     
         50 . The digital transaction apparatus according to  claim 49 , wherein data pertaining to the plurality of selectable personalities is stored on the DAD, and changing the current personality of the DTC to the selected personality includes:
 receiving, by the DAD and by operation of the DAD user interface, the instruction to change the current personality of the DTC to the selected personality;   transmitting, by the DAD transmitter to the DTC receiver, data related to the selected personality; and
 implementing, in the DTC, a change from the current personality to the selected personality in accordance with the data such that when the DTC operates with a digital transaction device to effect the digital transaction, the digital transaction device recognizes the selected personality. 
   
     
     
         51 . The digital transaction apparatus according to  claim 49 , wherein data related to the plurality of selectable personalities is stored on the DTC, and changing the current personality of the DTC to the selected personality includes:
 receiving, by the DAD, and by operation of the DAD user interface, the instruction to change the current personality of the DTC to the selected personality;   transmitting, by the DAD transmitter to the DTC receiver, the instruction to change the current personality of the DTC to the selected personality; and
 implementing, in the DTC, a change from the current personality to the selected personality in accordance with the instruction such that when the DTC operates with a digital transaction device to effect the digital transaction, the digital transaction device recognizes the selected personality. 
   
     
     
         52 . The digital transaction apparatus according to  claim 48 , wherein the selected and transferred data includes one or more instructions. 
     
     
         53 . The digital transaction apparatus according to  claim 52 , wherein the one or more instructions include instructions to change a current personality of the DTC to a personality selected from a plurality of selectable personalities. 
     
     
         54 . The digital transaction apparatus according to  claim 48 , wherein the DTC includes a user interface. 
     
     
         55 . The digital transaction apparatus according to  claim 54 , wherein the selected data transferred from the DAD to the DTC including data pertaining to the plurality of selectable personalities and stored on the DTC are individually selectable by operation of the DTC user interface. 
     
     
         56 . The digital transaction apparatus according to  claim 55 , wherein changing a current personality of the DTC to the selected personality includes:
 receiving, by operation of the DTC user interface, one or more instructions to change the current personality of the DTC to the selected personality; and   implementing, in the DTC, a change from the current personality to the selected personality in accordance with the one or more instructions such that when the DTC operates with a digital transaction device to effect the digital transaction, the digital transaction device recognizes the selected personality.   
     
     
         57 . The digital transaction apparatus according to  claim 54 , wherein the DTC user interface includes scroll keys and a display, and wherein the DTC scroll keys enable user selection of a personality from the plurality of personalities and the display indicates the selectable personality. 
     
     
         58 . The digital transaction apparatus according to  claim 48 , wherein the DTC includes a DTC external processor for receiving and storing transferred data. 
     
     
         59 . The digital transaction apparatus according to  claim 48 , wherein the DTC includes a display for displaying information. 
     
     
         60 . The digital transaction apparatus according to  claim 48 , wherein the DTPU is an EMV device including a software module having instruction code which, when executed, causes the EMV device to receive and execute commands according to the Global Platform Standard Command set including commands to install an Applet displaying a credit card personality. 
     
     
         61 . The digital transaction apparatus according to  claim 48 , wherein the DTPU is an EMV device operating in accordance with firmware wherein the firmware has been modified to enable the EMV device to receive and execute an expanded set of commands that, when executed, allows the writing of data to a secure memory element of the EMV device. 
     
     
         62 . The digital transaction apparatus according to  claim 61 , wherein a digital transaction device interfaces with the EMV device by physical connection with contact terminals of the EMV device, or by contactless connection (ISO 14443 Standard), or by interaction between a magnetic stripe reader associated with the digital transaction device and a magnetic stripe of the DTC. 
     
     
         63 . The digital transaction apparatus according to  claim 62 , wherein the DTC is a wearable device including a watch, a wrist band, a ring or an item of jewelry. 
     
     
         64 . The digital transaction apparatus according to  claim 62 , wherein the digital transaction device is any one or more of a POS/EFTPOS terminal, an ATM, an internet connected computer or a personal computer. 
     
     
         64 . A Digital Transaction Card (DTC) including:
 a Digital Transaction Processing Unit (DTPU); and   a DTC receiver that is operable to receive user-selected data from a transmitter associated with a Data Assistance Device (DAD),   wherein the user-selected data that is received causes the DTC to operate in accordance with the user-selected data when the DTC is subsequently used to effect a digital transaction, and   wherein the DAD and/or the DTC further includes:
 a remaining battery life estimation system operable to detect an occurrence of
 at least one electrical event and to measure the duration of the at least one electrical event, each electrical event having an associated power usage amount, and 
 subsequent to detection of an occurrence of an at least one electrical event, the remaining battery life estimation system calculates the total energy usage using the associated power usage amount in respect of the at least one electrical event and the duration of the at least one electrical event. 
 
   
     
     
         65 . A remaining battery life estimation apparatus operable to detect an occurrence of at least one electrical event and to measure the duration of the at least one electrical event, each electrical event having an associated power usage amount, and
 subsequent to detection of an occurrence of an at least one electrical event, the remaining battery life estimation apparatus calculates the total energy usage using the associated power usage amount in respect of the at least one electrical event and the duration of the at least one electrical event.   
     
     
         66 . A remaining battery life estimation apparatus operable to detect an occurrence of at least one electrical event, each electrical event having an associated energy usage amount, and
 subsequent to detection of an occurrence of an at least one electrical event, the remaining battery life estimation apparatus calculates the total energy usage using the associated energy usage amount in respect of the at least one electrical event.