Scalable controller for a computer input area
First Claim
Patent Images
1. A scalable controller for a computer input area, the scalable controller comprising:
- a plurality of drive signal pads;
a plurality of signal detection pads;
a programmable memory to store one or more indications of active ones of the drive signal pads and the signal detection pads, wherein the active ones of the drive signal pads and the signal detection pads are coupled to corresponding emitter/detector pairs of the computer input area, and inactive ones of the drive signal pads and the signal detection pads are not coupled to the emitter/detector pairs of the computer input area; and
scanning control circuitry to identify user interactions with the computer input area by i) driving active ones of the drive signal pads, and ii) reading active ones of the signal detection pads, in accord with a scan sequence tailored to the active ones of the drive signal pads and the signal detection pads.
5 Assignments
0 Petitions
Accused Products
Abstract
In one embodiment, a scalable controller for a computer input area is provided with: a plurality of drive signal pads; a plurality of signal detection pads; a programmable memory to store an indication of active ones of the drive signal pads and signal detection pads; and control circuitry to identify user input with the computer input area by 1) driving active ones of the drive signal pads, and 2) reading active ones of the signal detection pads.
25 Citations
21 Claims
-
1. A scalable controller for a computer input area, the scalable controller comprising:
-
a plurality of drive signal pads; a plurality of signal detection pads; a programmable memory to store one or more indications of active ones of the drive signal pads and the signal detection pads, wherein the active ones of the drive signal pads and the signal detection pads are coupled to corresponding emitter/detector pairs of the computer input area, and inactive ones of the drive signal pads and the signal detection pads are not coupled to the emitter/detector pairs of the computer input area; and scanning control circuitry to identify user interactions with the computer input area by i) driving active ones of the drive signal pads, and ii) reading active ones of the signal detection pads, in accord with a scan sequence tailored to the active ones of the drive signal pads and the signal detection pads. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A computer input system, comprising:
-
a computer input area; and a scalable controller, coupled to the computer input area, to match an aspect ratio of the computer input area, the scalable controller comprising, a plurality of drive signal pads; a plurality of signal detection pads; a programmable memory to store one or more indications of active ones of the drive signal pads and the signal detection pads, wherein the active ones of the drive signal pads and the signal detection pads are coupled to corresponding emitter/detector pairs of the computer input area, and inactive ones of the drive signal pads and the signal detection pads are not coupled to the emitter/detector pairs of the computer input area; and scanning control circuitry to identify user interactions with the computer input area by i) driving active ones of the drive signal pads, and ii) reading active ones of the signal detection pads, in accord with a scan sequence tailored to the active ones of the drive signal pads and the signal detection pads. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. A method of controlling a computer input area, comprising:
-
providing a scalable controller comprising a plurality of drive signal pads and a plurality of signal detection pads; coupling a subset of the drive signal pads and signal detection pads to the computer input area to match an aspect ratio of the computer input area, wherein remaining ones of the drive signal pads and the signal detections pads are not coupled to the computer input area; and programming a memory of the scalable controller to designate pairs of the drive signal pads and the signal detection pads coupled to the computer input area as active. - View Dependent Claims (18, 19, 20, 21)
-
Specification