Shock-activated switch device
US7817500B2 · kind B2 · utility
2Cited by
10References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 10, 2006 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Sep 4, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/96015
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A shock-activated switch device comprises a piezoelectric buzzer having a body for receiving a mechanical shock and a terminal for outputting an electrical output signal when the body receives a mechanical shock, and an output circuit connected to the terminal for converting the output signal into a logic signal for controlling an electronic circuit to execute a specific programmable function, such as alarm snooze.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.