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US 11,309,863 B2Granted
Multi-function frequency control device
AssigneeRakon Limited
InventorBrent John Robinson
Life of this patent
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Abstract
A single frequency control device incorporating a high frequency resonator, a low frequency resonator and a temperature sensing element, the latter thermally coupled closely to the said resonators to facilitate temperature sensing with higher resolution and accuracy. Additional benefits offered by the structure include smaller size and lower cost.
Claims28
A frequency control device, constructed as a single component, comprising at least three thermally coupled elements:
- a first resonating element whose resonant frequency is within the HF band or higher, a second resonating element whose resonant frequency is within the LF band or lower, and a temperature sensing element, and wherein, in addition to facilitating the generation of high frequency and low frequency signals, the said resonating elements allow use of an output of the said temperature sensing element and an output frequency of the said second resonating element in correcting for deviation in the output frequency of the said first resonating element or second resonating element due to temperature variations.
Dependencies are inferred from the claim text.