Method and apparatus for providing peak detection circuitry for data communication systems

• US 20090083003A1
• Filed: 04/27/2004
• Published: 03/26/2009
• Est. Priority Date: 04/28/2003
• Status: Active Grant

• Current Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories Incorporated)
• Original Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories Incorporated)
• Inventors: Reggiardo, Christopher V.
• Granted Patent: US 7,679,407 B2
• Time in Patent Office: Days
• US Class Current: 702/187
• CPC Class Codes: A61B 2560/0214 of power generation or supply
• CPC Class Codes: A61B 2560/0252 using ambient temperature
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: G01D 4/00 Tariff metering apparatus in taximeters G07B13/00; apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid, gas, or electricity G07F15/00
• CPC Class Codes: G16H 40/67 for remote operation

Abstract

Method and apparatus for providing a peak detection circuit comprising a diode including an input terminal and an output terminal the input terminal of the diode configured to receive an input signal, a capacitor operatively coupled to the output terminal of the diode, an output terminal operatively coupled to the capacitor and the output terminal of the diode for outputting an output signal is provided. Other equivalent switching configuration is further provided to effectively detect and compensate for a voltage droop from a power supply signal, as well as to electrically isolate the voltage droop from the system circuitry.

Claims

1. An analyte monitoring system, comprising:

an analyte sensor at least a portion of which is configured to be in fluid contact with an analyte, the analyte sensor configured to detect an analyte level;

a transmitter unit operatively coupled to the analyte sensor and configured to receive one or more signals associated with the analyte level, the transmitter unit configured to transmit one or more data corresponding to the one or more signal associated with the analyte level, the transmitter unit further including a peak detection unit configured to detect a condition associated with a power source of the transmitter unit, the peak detection unit including;

a diode including an input terminal and an output terminal said input terminal of said diode configured to receive an input signal;

a capacitor operatively coupled to said output terminal of said diode; and

an output terminal operatively coupled to said capacitor and said output terminal of said diode for outputting an output signal; and

a receiver unit configured to receive the one or more signals associated with the analyte level from the transmitter unit.

2. The system of claim 1 wherein said diode includes a Schottky diode switch.

3. The system of claim 1 wherein said input signal includes a voltage signal from a power supply.

4. The system of claim 1 wherein a voltage droop is detected at said input terminal of said diode, and further, wherein said diode and said capacitor are configured to compensate for said voltage droop.

18. The system of claim 1 wherein the receiver unit includes a display unit for displaying data associated with the received one or more signals associated with the analyte level.

5. A data communication system, comprising:

an analyte sensor at least a portion of which is configured to be in fluid contact with an analyte, the analyte sensor configured to detect an analyte level;

a transmitter unit operatively coupled to the analyte sensor and configured to receive one or more signals associated with the analyte level, the transmitter unit configured to transmit one or more data corresponding to the one or more signal associated with the analyte level, the transmitter unit including;

a peak detection circuit configured to receive the power supply signal, and further to output a detected signal; and

a low pass filter operatively coupled to said detection circuit, said low pass filter configured to receive said detected signal;

wherein said peak detection circuit is configured to detect a voltage droop in said power supply signal and further, to compensate for said voltage droop; and

a receiver unit configured to receive the one or more signals associated with the analyte level from the transmitter unit.

6. The system of claim 5 wherein said peak detection circuit is configured to electrically isolate the detected voltage droop.

7. The system of claim 5 wherein said peak detection circuit includes a passive switching configuration.

8. The system of claim 5 wherein said peak detection circuit includes a diode operatively coupled to a capacitance.

9. The system of claim 8 wherein said diode includes a Schottky diode switch.

19. The system of claim 5 wherein the receiver unit includes a display unit for displaying data associated with the received one or more signals associated with the analyte level.

10. A method of monitoring data, comprising the steps of:

positioning an analyte sensor in fluid contact with an analyte;

detecting an analyte level from the analyte sensor;

transmitting one or more signals associated with the detected analyte level, the transmitting step further including;

providing a diode having an input terminal and an output terminal said input terminal of said diode configured to receive an input signal;

operatively coupling a capacitor to said output terminal of said diode; and

operatively coupling an output terminal to said capacitor and said output terminal of said diode for outputting an output signal.

11. The method of claim 10 wherein said diode includes a Schottky diode switch.

12. The method of claim 10 wherein said input signal includes a voltage signal from a power supply.

13. The method of claim 10 wherein further including the steps of:

detecting a voltage droop at said input terminal of said diode, and

compensating for said voltage droop by said diode and said capacitor.

20. The method of claim 10 further including the step of receiving the transmitted one or more signals associated with the analyte level.

14. A method of providing peak detection in a data communication system, comprising the steps of:

positioning an analyte sensor in fluid contact with an analyte;

detecting an analyte level from the analyte sensor;

receiving one or more signals associated with the detected analyte level;

configuring a peak detection circuit to detect a voltage droop in a power supply signal associated with receiving the one or more signals associated with the detected analyte level and to output a compensated signal;

low pass filtering said compensated signal from said peak detection circuit; and

transmitting the one or more signals associated with the analyte level over a data network.

15. The method of claim 14 wherein said step of configuring said peak detection circuit further includes the step of electrically isolating the detected voltage droop.

16. The method of claim 14 wherein said step of providing said peak detection circuit includes providing a passive switching configuration.

17. The method of claim 14 wherein said step of configuring said peak detection circuit includes the step of operatively coupling a diode to a capacitance.