Apparatus and method for shielding an IR detector

摘要

A shield for an infra-red sensor said sensor being used to detect activity of an infra-red remote control device used to control an electrical device, wherein the shield prevents at least some infra-red radiation from sources other than the remote control device from reaching the sensor, while allowing substantially all infra-red signals from the remote control device which would be effective in controlling the electrical device, to reach the sensor.