Detection of the opening of a data input device
US10581138B2 · kind B2 · utility
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7Claims
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Assignee
Inventors
Key dates
| Filing date | Apr 27, 2016 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Apr 27, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/36
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A support element of a keypad included in a keyboard of a data input device. The support element puts at least one dummy key of a printed circuit board under pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.