Airtight-level sensor and electronic device including the same
US12259269B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 12, 2022 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Oct 13, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K5/065
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An airtight-level sensor includes an air pump, a sounding mechanism, and a processing device. The air pump comprises an inlet valve and an outlet valve, the sounding mechanism is disposed near the outlet valve to generate a sound wave corresponding to an airflow blown from the outlet valve, and the processing device is disposed near the sounding mechanism to receive the sound wave generated therefrom and determines an airtight-level of an airtight chamber wherein the airtight-level sensor is disposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.