Transparent digitiser
First Claim
Patent Images
1. A passive stylus for use with a digitizer, comprising:
- an outer stylus shaped housing having a front tip, a resonator arrangement having a predetermined resonant frequency, and a gap at said tip across which said resonator arrangement is coupled, to create an electric field concentration in the vicinity of said front tip.
6 Assignments
0 Petitions
Accused Products
Abstract
A digitizer for user interaction via an object with an electronically refreshable display screen, the digitizer comprising: a transparent sensing arrangement of detectors located at said electronically refreshable display screen for detecting an electric field of said object, said detectors having outputs, and an arrangement of differential amplifiers associated with said outputs, thereby to apply differential detection between said outputs.
-
Citations
10 Claims
-
1. A passive stylus for use with a digitizer, comprising:
-
an outer stylus shaped housing having a front tip, a resonator arrangement having a predetermined resonant frequency, and a gap at said tip across which said resonator arrangement is coupled, to create an electric field concentration in the vicinity of said front tip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
Specification