IBM ThinkPad Butterfly keyboard
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The TrackWrite, also known as the butterfly keyboard, is a foldout laptop computer keyboard designed by John Karidis for IBM as part of the ThinkPad 701 series, released in 1995.[1] It allowed the 701 series to be both compact (when closed) and comfortable to use (when open), despite being just 24.6 cm (9.7 in) wide with a 26.4 cm (10.4 in) VGA LCD. However, as later laptop models featured progressively larger screens, the need for a folding keyboard was eliminated; consequently, no model but the 701 utilized the butterfly keyboard.
The butterfly keyboard is split into two roughly triangular pieces that slide as the laptop's lid is opened or closed. As the lid is opened both pieces slide out to the sides, followed by one piece sliding downward. The two halves mesh like jigsaw puzzle pieces to form a keyboard 29.2 cm (11.5 in) wide which overhangs the sides of the laptop body. Conversely, as the lid is closed one piece slides back, then both slide inward until the keyboard can be covered by the lid. The movement of the keyboard is driven by a cam on the lid's hinge, so the motions of the keyboard parts are always synchronized with the movement of the lid.
Although the laptop did not sell well, the unusual design is being displayed in the design collection of the Museum of Modern Art in Manhattan, New York.
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[edit] Usage In Film
An IBM Thinkpad 701 is briefly seen being used by James Bond in the film GoldenEye. It is seen around 51:22 into the film when Bond is being briefed by Q in his laboratory.
One can also be spotted in the movie Blood Diamond, used by journalist Maddy Bowen (played by Jennifer Connelly).
[edit] Images
 Butterfly opening |
 Butterfly close-up |
 Butterfly fully opened |
