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 Linux Watch enhanced shell with Bluetooth
(Size: 56mm x 48mm x 12.25mm Weight: 44g 96 x 120 LCD display)
Linux Watch is designed to communicate wirelessly
with PCs, cell phones and other wireless-enabled
devices using Bluetooth. It has a touch panel
and a roller wheel as user interfaces. It
also has small microphone and speaker in
it. At present it might not be possible for
have a voice capability by itself due to
its tiny CPU power. But in combination with
a powerful host system, it can acquire voice
capabilities by simply sending and receiving
digitized voice data to and from the host
system using the Bluetooth communication.
Changing the internal battery and exchanging
data with PC can be done via a cradle.
TRL has demonstrated some watch applications
using Bluetooth as a front-end user interface
device of PCs and servers at the conference
and the Expo all over the world, e.g. controlling
the PC presentation using Freelance and PowerPoint
and the server applications like
Interacted Ad-Board and
Transcoding from the watch.
 System specifications
| Hardware |
| Watch size |
56mm x 48mm x 12mm |
| Weight |
44g |
| CPU |
Low power 32-bit CPU (18-74 MHz) |
| I/O device |
Touch panel, Roller wheel |
| Display |
96x120dots B/W STN LCD/VGA OLED |
| Memory |
DRAM 8MB, Flash 8MB |
| Communication |
Bluetooth (V1.0Bw/voice), IrDA (V1.2),
UART (Cradle) |
| Power |
Li-Polymer rechargeable |
| Other |
Speaker, Mic, Buzzer, Tilt sensor |
| Cradle |
Charger, RS232C, AC-adapter |
| Software |
| OS |
Linux version 2.2 |
| GUI |
X11R6 |
| Bluetooth stack |
IBM BlueDraker (L2CAP,SDP,RFCOMM) |
Linux Watch basic shell with OLED display
The OLED display is capable of rendering
very high resolution images with a pixel
density of 740 pixels per inch, in a VGA
640 by 480 format. In addition to text and
graphic images, pictures containing gray
scale images may also be shown using dot
density methods producing photographic like
images.
 WatchPad 1.5
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