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Apple inc. (20250102441). Electronic Devices With Relative Humidity Sensors

From WikiPatents

Electronic Devices With Relative Humidity Sensors

Organization Name

apple inc.

Inventor(s)

Fehmi Civitci of Carlsbad CA US

David D. Dashevsky of San Jose CA US

Christopher M. Dodson of Denver CO US

Kenneth J. Vampola of Los Altos CA US

Mark T. Winkler of Menlo Park CA US

Dawei Lu of Campbell CA US

Electronic Devices With Relative Humidity Sensors

This abstract first appeared for US patent application 20250102441 titled 'Electronic Devices With Relative Humidity Sensors

Original Abstract Submitted

an electronic device may include a housing and relative humidity sensor in the housing. the relative humidity sensor may include a relative humidity-sensitive layer, a light emitter that emits light into the relative humidity-sensitive layer, and a light detector that detects light that has passed through the relative humidity-sensitive layer. the relative humidity may be determined based on the detected light. for example, the light may be measured interferometrically to determine a path length of the light to determine the relative humidity. alternatively, the light may be scattered by plasmonic nanoparticles in a relative humidity-sensitive material to determine the relative humidity. as other examples, polarized light may pass through the relative humidity-sensitive layer and measured to determine the relative humidity, or light may be used to form sound waves that may be measured to determine the relative humidity. in this way, a light-based relative humidity-sensor may make relative humidity measurements.

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