Google patents smartwatch design that blocks outside light from sensors
Google describes a wearable device with a special internal surface that blocks outside light from reaching a specific sensor. This helps the device's calibration sensor work correctly by reducing interference from the environment.
In the filing’s own words
A wearable computing device includes a housing with an upper housing portion and a lower housing portion. The lower housing portion includes a plurality of side walls defining an internal cavity, at least one light emitter positioned in the internal cavity, at least one light detector positioned in the internal cavity, at least one calibrator light detector positioned in the internal cavity, an outer cover arranged adjacent to the internal cavity, and a light blocking surface positioned between the at least one calibrator light detector and the outer cover so as to minimize transmittance of one or more interference signals to the at least one calibrator light detector.
What exactly they claim (claim 1)
1. A wearable computing device, comprising: a housing comprising an upper housing portion and a lower housing portion, the lower housing portion comprising: a plurality of side walls defining an internal cavity; at least one light emitter positioned in the internal cavity; at least one light detector positioned in the internal cavity; at least one calibrator light detector positioned in the internal cavity; an outer cover arranged adjacent to the internal cavity; and a light blocking surface positioned between the at least one calibrator light detector and the outer cover so as to minimize transmittance of one or more interference signals to the at least one calibrator light detector.
Facts
- Company
- Google (Google LLC)
- Official title
- Wearable Computing Device Having a Light Blocking Surface for a Calibrator Light Detector
- Publication number
- US20260318733A1
- Application number
- 19177197
- Filed
- Apr 11, 2025
- Published
- Oct 15, 2026
- Inventors
- 5
- Claims
- 20
Classified under
G01J 1/0295 Physics & computingA61B 5/681 Human necessitiesG01J 1/44 Physics & computingA61B 2560/0223 Human necessitiesG01J 2001/446 Physics & computingMore from Google in Wearables
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.