Low-end remotes use only one transmitter at the end ... the line of sight required by infrared. An IR sensor is located near the TV and wired to the receiver, which can be many feet away in ...

Only in the rare case of the receiver sensor being exposed ... even for a small period, allows IR detectors to ‘recuperate’, and so optimise their ability to minimize the response to ambient light.

He found the IR sensor and tied the RF receiver directly into its output ... you could reuse it and connect it to the IR transmitter. It wasn’t clear how you could easily package the RF ...