RESOLUTION AND SENSITIVITY BALANCE METRIC

• US 20110080366A1
• Filed: 12/10/2010
• Published: 04/07/2011
• Est. Priority Date: 04/04/2006
• Status: Active Grant

• Current Assignee: Synaptics Incorporated
• Original Assignee: Synaptics Incorporated
• Inventors: Bolender, Robert J.
• Granted Patent: US 8,019,178 B2
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/044 by capacitive means

Abstract

In a method for determining a resolution metric, sampled touch input data is accessed for at least one of a plurality of capacitive sensor channels in capacitive touch sensors. A resolution metric is determined based on a ratio of a required resolution and a channel resolution of at least one of the plurality of capacitive sensor channels, where for a plurality of channels the resolution metric is set to a minimum of determined individual resolution metrics for each of the plurality of channels. The resolution metric is provided as an output.

Claims

1. A method for determining a resolution metric comprising:

accessing sampled touch input data for at least one of a plurality of capacitive sensor channels in capacitive touch sensors;

determining a resolution metric based on a ratio of a required resolution and a channel resolution of at least one of said plurality of capacitive sensor channels, wherein for a plurality of channels said resolution metric is set to a minimum of determined individual resolution metrics for each of said plurality of channels; and

providing said resolution metric as an output.