LCD signature input pads for computers

[Hans-Leo]

Small low-cost digitizers are used for computer signature lcd input pads:
http://www.nextag.com/computer-pad-signature-lcd/search-html
For example:
Topaz Signaturegem 4X3 LCD
Signature Capture PAD
http://www.nextag.com/SIGNATURE-CAPTURE-PAD-GEM-577342246/prices-html

Topaz Signature Capture PAD GEM
Signaturegem 4X5 LCD
Dual Serial & HID-USB Backlit.
http://www.nextag.com/T-LBK755-BHSB-R-577342239/prices-html

TOPAZ SIGNATURE CAPTURE PAD GEM
SIGNATUREGEM 4x3LCD
HID-USB STYLUS PEN SIGVALID LICENSE
http://www.geminicomputersinc.com/tpz-t-lbk755-hsb.html

TOPAZ SIGNATURE CAPTURE PAD GEM
SIGNATUREGEM 4x3LCD
RS232 STYLUS PEN SIGVALID LICENSE
http://www.geminicomputersinc.com/t-lbk755-b.html

Wacom STU 300 SignPad Compact
http://wacomsolutions.wordpress.com/2010/01/26/wacom-expands-its-digital-signature-tablet-range-with-the-new-stu-300/

Wacom STU 500 SignPad
http://wacomsolutions.wordpress.com/2010/01/22/wacom-stu-500-signature-tablet-with-handwriting-recognition/