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Topaz Systems, Inc > 
Item#: N82E16849107016

Topaz SignatureGem LCD 4x3 T-LBK755 Series Dual Serial/USB BackLit T-LBK755-BHSB-R Signature Capture Pad

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  • 4x3
  • Active Electromagnetic Sensor
  • Serial/USB Interface

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

SignatureGem LCD 4 x 3 Signature Pad - T-LBK755-BHSB-R

SignatureGem LCD 4 x 3 includes all the high-quality electronic signature capture features of Topaz signature pads with the added feature of an LCD interactive display allowing users to see "electronic ink" under the pen tip as they sign as well as navigate and display text and graphics. The large signing area and rugged tempered glass signing surface make this a versatile pad for the most demanding applications.

All Topaz products come bundled with our powerful software tools and support for the capture, binding, and authentication of electronic signatures. All software and updates are licensed for use with Topaz tablets at no extra charge and can be downloaded from our website.


The SignatureGem LCD 4 x 3 from Topaz Systems is a versatile electronic signature capture system with integrated electronic display. The LCD shows "electronic ink" under the pen tip in real time as a users signs, for an easy, natural signature experience. The display also supports interactive text, graphics, and pen-tap "hot spot," allowing users to read agreements and navigate between data screens before signing. SignatureGem LCD 4 x 3 boasts the additional value of Topaz's powerful bundled software tools and support, including ActiveX, Java and J2ME, C++, and .NET development tools, plus MS Of Adobe Acrobat plugins for the capture, encryption, formatting, and secure processing of signatures.


  • Sensor Type: Active electromagnetic
  • Pen Type: Active energized
  • Dimensions: 7.25in. x 6.1in. x 1.56in.   (184mm x 155mm x 40mm)
  • Signing Area: 4.4in. x 2.5in.   (112mm x 64mm)
  • Data Conversion Rate: 377 points per second
  • Resolution: 410 true points per inch
  • Support: Updates are provided free of charge
  • Authentication Capability: Forensic-quality .SIG data capable of examination and authentication with Topaz SigAnalyze™ software (US Patent 6,307,955)
  • Warranty: Three years with renewal option


Learn more about the Topaz Systems, Inc SG LCD 4X3 HID-USB BackLit


SignatureGem Interactive LCD Series
Part Number


Dual Serial/USB
Sensor Type
Active Electromagnetic
Pen Type
Active Pen
Backlit Option
Signing Area Size
4.4 inches x 2.5 inches

Dimensions & Weight

7.20" x 6.60" x 2.10"


Dual Ready (BHSB)
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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