Sigma Pad

Signotec LCD Signature Pad Sigma

The Signotec LCD Signature Pad “Sigma” is the little brother of the successful Signature Pad “Omega“. The “Sigma” is a device to signatures, fully developed by Signotec and made in Germany, with an unbeatable price-performance ratio. Measuring just 160 x 120 x 10 mm, it is extremely compact and therefore ideal for the mobile use. When used stationary it still shines with it’s flat construction and the optional pen holder.

The Sigma Signature Pad is available with and without backlight!

Sigma without BL

The Sigma without backlit is the best choice when it comes to well-lit areas and the cheapest option is preferred.

Sigma BL

The Sigma with backlit doesn’t mind reflections from lights or windows and is an excellent choice for potential low-light conditions.

The Sigma Pad sets a new standard for electronic signature capture devices, in terms of its size and the resolution of the display. Among the device’s unique features, are the outstanding display of graphics and text, the technical properties for digitising signatures, its extremely flat design and, above all, its smooth surface and a sensor flushed with the housing. This design enables signing to be highly ergonomic. The rounded sides also allow the heel of the hand to pass fluidly from the device to the table without disrupting the signing process.

 

 

 

The high sensor rate also allows for sweeping signatures, without the user inadvertently reaching the limits of the sensor. This is vital to ensure that the signature is captured naturally and securely. Furthermore, extensive graphical and textual information can be displayed, which often plays an important role in stationary use. As a result, the pad is also an inexpensive alternative for stationary applications.

The transfer of data from the pad to PC is encrypted, thereby it is not possible to spy on the biometric features of the signature. Since the electronics, firmware, drivers and applications have been developed by Signotec itself, the hardware and software are matching perfectly.
Sigma Technical Specifications :

Display 4″(10.5cm) b/w Display with or without backlight
Active Signing Area 100 x 50 mm
Dimensions 160 x 120 x 10 mm
Text-Display Unlimited fonts and sizes
Graphic-Display Any graphics up to 320 x 160 pixel
Navigation Unlimited screens, Hot-Spots (buttons) and Scroll-function
Security AES-Encryption, RSA-signing. Signatures biometrics RSA-Encryption inside the pad
Connection USB (HID, no driver installation required)
Terminal server Yes. Optional with internal virtual USB-Serial-Converter(FTDI)
Internal Samplingrate 6000 Hertz
External Samplingrate 500 Hertz
Resolution 1040 dpi, not interpolated
Sensor Scratch resistant surface
Pen No special pen, cheap replacement
Warranty 2 Years
RSA-Security features :

The Signotec pads (Omega firmware 1.25, Sigma 1.16) have the highest security mechanisms available. This allows a complete chain of evidence in dispute. Depending on the integration, different techniques are used:

  • PDF documents can be signed inside the pad and not in the insecure environment of the PC.
  • The biometric data of the signature can be RSA-encrypted inside the pad using a public key.
  • RSA-signature of the displayed content and signature.
  • Upon delivery, each pad has a separate and unique RSA certificate for signing.
  • Storing of custom RSA-certificates inside the pad.
  • The pad can generate a RSA certificate.
  • Supported schemes are RSA PKCS # 1 v1.5 (with or without the hash OID), PKCS # 1 v2.1
  • Certificates can be certified by a Root Authority
  • Supported hash algorithms are SHA-1, SHA-256 and SHA-512.
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