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Proximity Sensor

Secure your workstation or server with Transparent Screen Lock PRO software, and an optional hardware Proximity Sensor:

TSL-PRO's powerful security features just got better...

  • Automatically lock the system...
...when the user steps away from the station. No timeout period before the system is fully secure, and no need to remember to logoff.
  • Automatically display TSL-PRO's password-protected logon screen...
...when the user approaches the system.
  • Simple installation of hardware...
...Small sensor (less than 2 square inches) is easily mounted on a monitor. Simply connect to a USB port on your computer.
  • Fully integrated within TSL-PRO software...
... Adjust the proximity sensor parameters from directly within the TSL-PRO software. No software drivers to install. See a screenshot of the configuration menu.


Who Needs "Transparent Screen Lock PRO" security software
for Windows 2000/XP/2003/Vista/2008/7

Anyone who needs to Password Protect access to their workstation or server. TSL-PRO provides a secure password mechanism for NT/W2K/XP/2003 - and runs "transparently", so you can still monitor the programs that are running. This is ideal for:t">System Administrators:control access to single-user or multi-user systems in a corporate environment.

  • Labs and Production Floors: monitor processes while maintaining access control: 'see, but do not touch'.

  • Retail Stores, Kiosks, Tradeshow Demos: prevent unauthorized access.

  • Home users: parents can control a child's computer time; email or instant message users can monitor incoming messages, while restricting access to your computer.

  • Transparent Screen Lock PRO enables IT professionals to prevent unauthorized system access, while maintaining the ability to view applications running on the desktop for monitoring purposes.

    Transparent Screen Lock PRO delivers system security measures that are essential in today's open-concept corporate offices with free movement of employees and visitors, as well as in high security environments such as financial institutions and banks, hospitals and pharmaceutical research facilities, government offices and military installations.

    With its ability to limit system access to authorized individuals in both stand-alone and multiple-user shared computer environments, Transparent Screen Lock PRO is ideal for facilities which must ensure compliance to the 21 CFR Part 11 code of federal regulations.

    With new optional support for a hardware proximity sensor, TSL-PRO delivers maximum security by automatically locking the system when the user steps away from the station. When the user approaches the system, TSL-PRO's password-protected logon screen is automatically displayed.

    Specifications of "TSL-PRO/PROXIMITY":
    an optional hardware proximity sensor for Transparent Screen Lock PRO software

    • Sensor detection distance:
      may be set between 24 - 60 inches
      (60 - 152 centimeters)
    • Transducer:
      - Frequency 40kHz
    • Dimensions:
      - cable 72" USB
    • Operating:
      - Temperature: 40-120 deg F
      - Humidity: 0-95% relative humidity (non-condensing)
    • Power Supply:
      - 5V via USB port
    • Certification:
      - FCC Certification, United States

    Pricing: Proximity Sensor Hardware Option
    (Requires TSL-PRO software):


    $89.95 each

    Purchase "TSL-PRO/PROXIMITY" Now


    Please contact
    for higher volume quotations.

    All prices are in US dollars.

    Software Pricing:

    Single-copy or Multiple-User Licenses of "Transparent Screen Lock PRO" security software
    are available:

    Number of licenses "TSL-PRO" software
    Quantity 1-9 $49.95 each
    Quantity 10-24 $44.95 each
    Quantity 25-49 $42.45 each
    Quantity 50+ $39.95 each
      Purchase TSL-PRO Now

    Please contact
    for higher volume quotations.

    All prices are in US dollars.

    System Requirements

    • Win2K, XP, WindWin2K, XP, 2003, Vista, 2008, 7 (note: WinNT does not support the proximity sensor option)
    • 1MB of free disk space
    • 16MB of RAM

    Screen Shots

    The proximity sensor configuration options are adjusted direclty from within the TSL-PRO software.
    The TSL-PRO logon screen will automatically be displayed when the user approaches the system.
    Please see the following screenshots:

    Transparent Screen Lock PRO:


    For Technical support:

    Download a free evaluation copy now!

    Transparent Screen Lock PRO software

    Download Site #1

    Download Site #2

    Development Partner:

    The "TSL-PRO/PROXIMITY" optional hardware proximity sensor for TSL-PRO was developed by:

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