Method and apparatus for providing peak detection circuitry for data communication systems
First Claim
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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 including an analog interface 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 signals 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 configured to electrically isolate the power source of the transmitter from the analog interface when the condition is detected; and
a receiver unit configured to receive the one or more data corresponding to the one or more signals associated with the analyte level from the transmitter unit when the condition associated with the power source of the transmitter unit is detected;
wherein the analog interface is configured to draw power from the peak detection circuit when the condition associated with the power source is detected and is isolated from the power source.
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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.
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Citations
27 Claims
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1. An analyte monitoring system, comprising:
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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 including an analog interface 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 signals 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 configured to electrically isolate the power source of the transmitter from the analog interface when the condition is detected; and a receiver unit configured to receive the one or more data corresponding to the one or more signals associated with the analyte level from the transmitter unit when the condition associated with the power source of the transmitter unit is detected; wherein the analog interface is configured to draw power from the peak detection circuit when the condition associated with the power source is detected and is isolated from the power source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A data communication system, comprising:
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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 including an analog interface 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 signals 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 during transmission of the one or more data corresponding to the one or more signals associated with the analyte level, and further configured to electrically isolate the analog interface from the power supply signal; and a receiver unit configured to receive the one or more data corresponding to the one or more signals associated with the analyte level from the transmitter unit; wherein when the analog interface is electrically isolated from the power supply signal, the analog interface of the transmitter unit is configured to draw power from the peak detection circuit. - View Dependent Claims (12, 13, 14, 15)
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16. A method of monitoring data, comprising the steps of:
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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 from the analyte sensor received by an analog interface of a data transmitter; detecting a predetermined condition related to a power source; and electrically isolating the analog interface from the power source when the predetermined condition is detected; and supplying power to the analog interface from a source other than the power source when the predetermined condition is detected and the analog interface is electrically isolated from the power source; wherein the one or more signals associated with the detected analyte level from the analyte sensor are transmitted during the time period when the predetermined condition is detected. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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25. A method of providing peak detection in a data communication system, comprising the steps of:
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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 at an analog interface of a data transmitter operatively coupled to the analyte sensor; configuring a peak detection circuit of the data transmitter to detect a voltage droop in a power supply signal, to electrically isolate the analog interface from the power supply signal, 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 or the low pass filtered compensated signal over a data network; wherein when the analog interface is electrically isolated from the power supply signal, the analog interface of the transmitter unit is configured to draw power from the peak detection circuit. - View Dependent Claims (26, 27)
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Specification