Before Bluetooth, this wireless keyboard used infrared light<article>
<section class="page">
<p>
There is nothing new under the sun. Or
nihil sub sole novum, to give it in Latin, which always imparts a kind of bulletproof authority to any aphorism. Or if you’re feeling particularly fancy, אֵין כָּל חָדָשׁ תַּחַת הַשָּׁמֶשׁ, to give it in Hebrew; it is a line cribbed from the Bible after all.</p><p>
Let me introduce you, by way of illustration, to my latest eBay find, a
wireless keyboard for
vintage Macs. While modern wireless keyboards connect over Bluetooth, or using a little RF dongle that you slip into a spare USB port, this one communicates with the Mac using infrared light pulses, with the signals received by a chunky IR receiver that plugs into an ADB port.</p><p class="jumpTag"><a href="/article/3039571/input-keyboards/before-bluetooth-this-wireless-keyboard-used-infrared-light.html#jump">To read this article in full or to leave a comment, please click here[/url]</p></section></article>
Source:
Before Bluetooth, this wireless keyboard used infrared light