Method and apparatus for calibrating a sensor element
First Claim
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1. A system for determination of analyte concentration in a test sample comprising:
- sensor means for receiving a user sample;
processor means responsive to said sensor means for performing a predefined test sequence for measuring a predefined parameter value; and
autocalibration code means coupled to said processor means for providing autocalibration encoded information read by the processor, said autocalibration encoded information being utilized by the processor for said predefined test sequence;
said autocalibration code means comprising a plurality of electrical contacts defining said autocalibration encoded information; and
wherein said plurality of electrical contacts defining said autocalibration encoded information include at least two connected contacts defining a sync position.
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Abstract
A method and apparatus are provided for calibrating a sensor for determination of analyte concentration. The meter includes a sensor for receiving a user sample to be measured and a processor for performing a predefined test sequence for measuring a predefined parameter value. A memory can be coupled to the processor for storing predefined parameter data values. A calibration code is associated with the sensor and read by the processor before the user sample to be measured is received. The calibration code is used in measuring the predefined parameter data value to compensate for different sensor characteristics.
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Citations
21 Claims
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1. A system for determination of analyte concentration in a test sample comprising:
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sensor means for receiving a user sample; processor means responsive to said sensor means for performing a predefined test sequence for measuring a predefined parameter value; and autocalibration code means coupled to said processor means for providing autocalibration encoded information read by the processor, said autocalibration encoded information being utilized by the processor for said predefined test sequence;
said autocalibration code means comprising a plurality of electrical contacts defining said autocalibration encoded information; and
wherein said plurality of electrical contacts defining said autocalibration encoded information include at least two connected contacts defining a sync position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for calibrating a sensor comprising the steps of:
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providing the sensor system with a sensor for receiving a user sample and a processor for performing a predefined test sequence for measuring a predefined parameter value; providing calibration encoded information with said sensor, reading said calibration encoded information by said processor and utilizing said calibration encoded information for said predefined test sequence; wherein said step of providing calibration encoded information with said sensor includes the step of defining a calibration encoded label on a package containing multiple sensors; and wherein said step of defining said calibration encoded label on said package containing multiple sensors includes the steps of providing multiple contacts on said package;
connecting selected different ones of said multiple contacts to define a first set and a second set of connected contacts;
said first set of connected contacts representing a logical one and said second set of connected contacts representing a logical zero; and
providing at least one null contact of said multiple contacts;
said null contact not connected to said first set and said second set of connected contacts. - View Dependent Claims (20)
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21. A method for calibrating a sensor comprising the steps of:
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providing the sensor system with a sensor for receiving a user sample and a processor for performing a predefined test sequence for measuring a predefined parameter value; providing calibration encoded information with said sensor, reading said calibration encoded information by said processor and utilizing said calibration encoded information for said predefined test sequence; and wherein said step of providing calibration encoded information with said sensor includes the step of providing multiple electrical contacts on a package containing said sensor;
selectively connecting together different ones of said multiple contacts to define said calibration encoded information; and
providing at least one null contact of said multiple contacts;
said null contact not connected to another of said selectively connected together different ones of said multiple contacts; and
wherein said step of step of reading said calibration encoded information by said processor includes the steps of applying a signal to said multiple contacts, reading a resulting signal pattern; and
decoding said calibration encoded information.
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Specification