Wake circuit for powered ophthalmic lens
US9535266B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Nov 5, 2014 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Jun 9, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/018507
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A wake circuit is designed to minimize leakage current from a battery or other suitable energy source connected to various electronic components. The wake circuit essentially connects/disconnects or couples/decouples the battery or other power source from the other components when the device is in a storage state or otherwise idle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.