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Geek Trivia: What Common Electronic Device Was Once Remote Controlled By Ultrasound?

May 02, 2019 Geek, How To

What Common Electronic Device Was Once Remote Controlled By Ultrasound?

Televisions
Hi-Fi Stereos
Turntables
Garage Door Openers

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by Jason Fitzpatrick via How-To Geek

Geek Trivia: What Common Electronic Device Was Once Remote Controlled By Ultrasound?

Geek Trivia: What Common Electronic Device Was Once Remote Controlled By Ultrasound?

Reviewed by Ossama Hashim on May 02, 2019 Rating: 5

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