TrackWrite

TrackWrite is a separatable keyboard which is used by ThinkPad 701 series. It was developed to solve problems that minimize size of footprint and supply full-sized keyboard.

The mechanism is complicated and the cost seems to be high. So TrackWrite is only used by ThinkPad 701 series.

The following video is a movement of TrackWrite keyboard when open and close display.

If a display is opened, a keyboard will expand little by little and full-sized keyboard will appear finally.

Expansion of keyboard

The keyboard is divided in the portion of a red line.

TrackWrite(Separate line)
TrackWrite(Separate line)
TrackWrite(Closed)When display is closed, the keyboard is housed as follows.
TrackWrite(Halfway)When display is opened, the keyboard moves as follows.
TrackWrite(Opened)Finally, the keyboard is expanded to full-size. In this situation, we can't be aware of that the keyboard is separatable.

Other photos

There are some photos which are taken by other viewpoints.

TrackWrite
TrackWrite
TrackWrite

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