Synchronization and calibration of clocks for a medical device and calibrated clock
First Claim
1. A method for synchronizing a plurality of clocks wherein at least one of the clocks is associated with a medical device system, the plurality of clocks comprising a first slave clock and a master clock, the method comprising:
- (a) determining whether to synchronize the first slave clock to the master clock;
(b) in response to (a), sending a reference time by the master clock; and
(c) setting the first slave clock to the reference time.
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Abstract
Apparatus and method support the synchronization and calibration of a plurality of clocks in a medical device system that may provide treatment to a patient with a nervous system disorder. The plurality of clocks, which may be located at different components of the medical device system, comprises a first clock and a second clock. The second clock may be synchronized to a first clock by disabling a run mode operation and setting the second clock to a selected time. When a reference time of the first clock approximately equals the selected time, the second clock enables the run mode operation. Additionally, a drift time that is indicative of a time difference between the first clock and the second clock is determined. If the drift time is greater than a predetermined amount, an indication to resynchronize the first and second clocks is provided.
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Citations
13 Claims
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1. A method for synchronizing a plurality of clocks wherein at least one of the clocks is associated with a medical device system, the plurality of clocks comprising a first slave clock and a master clock, the method comprising:
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(a) determining whether to synchronize the first slave clock to the master clock;
(b) in response to (a), sending a reference time by the master clock; and
(c) setting the first slave clock to the reference time. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for synchronizing a plurality of clocks wherein at least one of the clocks is associated with a medical device system, the plurality of clocks comprising a first slave clock and a master clock, the method comprising:
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(a) comparing a first current time of the first slave clock with a second current time of a master clock;
(b) if the difference between the first and second current time is greater than a preset limit;
determining to synchronize the first slave clock with the master clock;
(c) in response to (b), providing a reference time from the master clock; and
(d) setting the first slave clock to the reference time. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification