Linear vibration generator including plate type spring having bent portion
US10892674B2 · kind B2 · utility
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5Claims
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Assignee
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Key dates
| Filing date | Oct 22, 2018 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | May 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A linear vibration generator including a plate type spring each having bent portions includes: a case for covering top and side portions thereof; a bracket coupled to the underside of the case; a coil fixed to one side of a top surface of the bracket and receiving external power from an FPCB; a plate type spring having bent portions and configured to allow one end thereof to be fixed to a vibrator; and the vibrator having a weight fixed to one end of the plate type springs and a magnet insertedly fixed to a hollow portion of the weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.