Back to results
US 2009/0260900 A1Published application
Untethered electrostatic pen/stylus for use with capacitive touch sensor
OwnerMichael J. Ureinventor
Life of this patent
Estimating the term…
Abstract
An untethered electrostatic pen/stylus for use with capacitive touch sensors, described herein, allows for a single device like the iPhone to receive input via both finger touches and a stylus. Stylus input is more precise for various uses including, for example, text input and drawing input.
Claims7
A pen or stylus for interacting with a capacitive touch sensor, comprising:
- an elongated housing having a grip area to be gripped in a writing grip;
- and
- an electron beam source within the elongated housing.
Dependencies are inferred from the claim text.