Portable electronic device with movable door cover
US11809245B2 · kind B2 · utility
1Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2022 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Feb 8, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K7/2039
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portable electronic device with a movable door cover including a host, at least one door cover pivoted to the host to be opened or closed relative to the host, at least one linking member connected to the door cover, a shape-memory alloy (SMA) spring connected between the linking member and the host, and a heat source disposed in the host is provided. The SMA spring is affected by heat generated from the heat source to form at least two stretching states, and drives the door cover through the linking member to form at least two states including said being opened or closed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.