Rotation input device for a capacitive sense cord
US11262859B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2020 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Nov 18, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1033
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
This document describes techniques and devices for a rotation input device for a capacitive sense cord. A cord may be constructed that includes a cable, a plurality of sensing wires, and a rotation input device. The sensing wires are twisted around one another within a cable jacket of the cable throughout an insensitive portion of the cord that is insensitive to touch input. The rotation input device includes the plurality of sensing wires disposed proximate to a surface of the cord and positioned lengthwise along the cord to provide a capacitively sensitive portion of the cord. The plurality of sensing wires are independently sensitive to touch input. Also, the rotation input device is configured to enable rotational input based on a pattern of change in capacitance values corresponding to at least a subset of the plurality of sensing wires in the rotation input device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.