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Overtemperature conditions identified using signal properties

A technology of characteristics and signals, applied in the field of over-temperature conditions identified by signal characteristics, which can solve the problem that the operation of equipment cannot be guaranteed.

Active Publication Date: 2020-06-05
INFINEON TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Operation of the device is not guaranteed when under overtemperature conditions

Method used

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  • Overtemperature conditions identified using signal properties
  • Overtemperature conditions identified using signal properties
  • Overtemperature conditions identified using signal properties

Examples

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Embodiment Construction

[0010] The following detailed description of example embodiments refers to the accompanying drawings. The same reference numbers in different drawings may identify the same or similar elements.

[0011] In order to meet functional safety requirements (e.g., in automotive applications), the sensor should guarantee the sensing function of the sensor (e.g., pressure measurement, speed measurement, angle measurement, etc.) and the safety mechanism associated with the sensor (e.g., designed to indicate independence between possible sensor failures and / or faulty mechanisms).

[0012] Fulfillment of such requirements is difficult in the case of over-temperature conditions (eg, excessive power consumption of the sensor due to sensor failure). When under over-temperature conditions, the operation of some components of the sensor cannot be guaranteed (eg, due to excessive heating), and thus the sensor's safety mechanisms may be unreliable and / or fail. For example, in some cases, in ad...

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Abstract

A sensor can bias a signal to have a characteristic. The characteristic of the signal may be dependent on the temperature of the sensor such that when the temperature of the sensor satisfies a temperature threshold, the characteristic of the signal is outside the permissible range associated with the characteristic. A temperature threshold can be associated with the operating temperature range of the sensor. A sensor can provide a signal with this characteristic.

Description

Background technique [0001] A device is in an over-temperature condition when the temperature of the device is outside of the temperature range in which the device is guaranteed to operate reliably (eg, above a maximum temperature or below a minimum temperature). Operation of the device is not guaranteed when under overtemperature conditions. Contents of the invention [0002] According to some possible implementations, a sensor may include one or more components for: biasing a signal to have a characteristic, wherein the characteristic of the signal depends on the temperature of the sensor such that when the temperature of the sensor satisfies a temperature threshold, the characteristic of the signal outside the permissible range associated with the characteristic, wherein a temperature threshold may be associated with an operating temperature range of the sensor; and providing a signal having the characteristic. [0003] According to some possible implementations, a sensi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D3/036G01D3/08
CPCG01D3/0365G01D3/08G01K3/005G01K3/08G01M99/002G05B13/021G08B21/182
Inventor D·哈默施密特
Owner INFINEON TECH AG