Radio frequency transparent capacitive touch systems and methods
US11281340B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2019 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Dec 22, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/2291
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Touch sensor systems and methods are disclosed including a radio frequency antenna that can be placed on or very near the touch pad. The touch pad sensor includes a patterned shielding that shields the touch pad sensor from back-side signals and has opening that are large enough to allow radio frequencies to pass through the touch pad sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.