Bat Chording Keyboard

By Xah Lee. Date: . Last updated: .

The BAT Chording Keyboard is made by Infogrip around 1986.

BAT Chording Keyboard is a one-handed chorded keyboard.

You press 1 or more keys together to insert a letter or symbol.

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Bat Chording Keyboard [image source, thanks to John Kitchin]
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BAT Chording keyboard

There is a right-handed version and also a left-handed version.

It's supposed to solve the hand health problem of typical keyboard.

However, this is worse for your hand health, and super slow to type, because

  1. It needs ~3 times more keystrokes for the same amount of input.
  2. It's designed to be used by just 1 hand. This means, all the work will be put into 1 hand. (but you could buy 2 of them and use together.)
  3. it's at least 2 times slower than touch typing using standard PC keyboard.
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BAT Chording keyboard

BAT Chording Keyboard Chords (right hand version)

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BAT Chording Keyboard Chords (left hand version)

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BAT Chording Keyboard Manual

BAT Chording Keyboard User Review

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BAT chording keyboard review 2020-03-03 [source]

Chording Keyboards