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Utilizing processing units to control temperature

A technology of processing unit and sensitive unit, applied in general control systems, thermometers, temperature control using digital devices, etc., can solve problems such as inaccurate output

Inactive Publication Date: 2019-05-21
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such temperature sensitive components may be exposed to heat from nearby components (for example, a processor that heats up during operation), which may make its output inaccurate unless proper compensation or calibration is applied

Method used

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  • Utilizing processing units to control temperature
  • Utilizing processing units to control temperature
  • Utilizing processing units to control temperature

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Embodiment Construction

[0024] Various embodiments will now be described in detail with reference to the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. References made to specific examples and implementations are for illustration purposes only and are not intended to limit the scope of the invention.

[0025] Various embodiments include methods of using a processing device (e.g., one or more processing cores of a multi-core processor) within an electronic device to control the temperature of a temperature-sensitive unit such that it can be determined or measured without the use of a heater The effect of temperature on the performance or output of the unit (eg, temperature deviation). Various embodiments may enable periodic calibration or measurement of temperature deviations without building heating elements into the electronics. Some embodiments may use the processing device in an open loop manner to rai...

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Abstract

Various embodiments include methods for performing temperature calibration of a first temperature sensitive unit with an electronic device having a first processing unit that is thermally coupled to the first temperature sensitive unit. Various embodiments may include determining a current temperature of the first temperature sensitive unit, determining a processing load for the first processing unit based on the current temperature and a target temperature, applying the determined processing load to the first processing unit to vary a temperature of the first temperature sensitive unit, and determining a temperature bias for the first temperature sensitive unit at the temperature of the first temperature sensitive unit based on an output of the first temperature sensitive unit.

Description

[0001] related application [0002] This application claims priority to U.S. Provisional Application No. 62 / 403,817, filed October 4, 2016, entitled "Utilizing Processing Units to Control Temperature," which is hereby incorporated by reference in its entirety. Background technique [0003] The performance or output of some electronic components is affected by their operating temperature. Sometimes called temperature drift, this temperature effect can change the output of an electronic component depending on the temperature of the component. For example, an inertial measurement unit (IMU) is a system that measures the linear and angular motion of an object on which it is mounted, such as an unmanned aerial vehicle (UAV) or drone. An IMU typically includes one or more gyroscopes and accelerometers to detect motion, acceleration, and changes in orientation (eg, pitch, roll, yaw). The gyroscopes and accelerometers on the IMU may be temperature sensitive such that their output ma...

Claims

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Application Information

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IPC IPC(8): G01D3/036G06F11/30
CPCG01D3/0365G01C21/183G01C21/1654G06F11/3058G01C21/18G01C25/00G01K15/005G05B15/02G05D23/1917
Inventor A·库什勒耶夫R·艾哈迈德D·W·梅林格三世M·H·特平
Owner QUALCOMM INC