The Zenith Space Command, one of the first wireless television remotes ever to exist.
this post was submitted on 08 Dec 2024
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I think it's a noise in the ultrasound spectrum. Humans can't hear it
Na it made a click, that’s why we call remotes ‘clickers’
Weird I think I saw a YT video explaing it and this is the info I remembered
You're both right, the click actuated the ultrasonic noise, like hitting a xylophone.