Sensor Methods and Systems for Position Detection
First Claim
1. A computing system, comprising:
- a sensor comprising an array of pixels; and
conditioning logic interfaced to the array of pixels, the conditioning logic configured to sample the array of pixels during a first time interval, sample the array of pixels during a second time interval, take a difference of the pixels sampled during the first and second time intervals, and to output a representative image.
1 Assignment
0 Petitions
Accused Products
Abstract
A computing device, such as a desktop, laptop, tablet computer, a mobile device, or a computing device integrated into another device (e.g., an entertainment device for gaming, a television, an appliance, kiosk, vehicle, tool, etc.) is configured to determine user input commands from the location and/or movement of one or more objects in a space. The object(s) can be imaged using one or more optical sensors and the resulting position data can be interpreted in any number of ways to determine a command. Signal conditioning logic (or a programmable CPU) can be used to facilitate detection by performing at least some image processing in hardware before the image is provided by the imaging device, such as by a hardware-implemented ambient subtraction, infinite impulse response (IIR) or finite impulse response (FIR) filtering, background-tracker-based touch detection, or the like.
123 Citations
19 Claims
-
1. A computing system, comprising:
-
a sensor comprising an array of pixels; and conditioning logic interfaced to the array of pixels, the conditioning logic configured to sample the array of pixels during a first time interval, sample the array of pixels during a second time interval, take a difference of the pixels sampled during the first and second time intervals, and to output a representative image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A method, comprising:
-
sampling, by an array of pixels comprised in a sensor, light from an imaged space during a first time interval; sampling, by the array of pixels, light from the imaged space during a second time interval; using conditioning logic interfaced to the array of pixels, computing a difference of the pixels sampled during the first and second time intervals; and outputting a representative image to a processing device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
-
Specification