Model：Scanners, CUs, BHT series
|File Name||Date of Update|
|Active USB-COM Port Driver Ver.188.8.131.52 (3,781KB)||10/25/2019|
Supporting OS is as following Microsoft Windows® OS.
Windows® 10 IoT Enterprise is a Windows® 10 embedded OS.We tested it with our environment, but it does not guarantee your any operational environment.
Please test in enough to be no trouble with your operational environment, and use it.
Windows standard driver will be loaded if you inserted the USB device in the USB port of the PC with Windows® 10 which
does not install Active USB-COM Port Driver. The USB device does not support the operation with the Windows standard
Please use it after installing Active USB-COM Port Driver by all means.
|Version||Updated contents||Updated on|
|184.108.40.206||(1)The following Windows OS is supported.
•Windows 10 Version 1903(May 2019 Update) (32 bit version/ 64 bit version)
(2)the installer, uninstaller, and log collection tool are improved.
|Oct 25, 2019|
|220.127.116.11||(1)The installer and uninstaller are improved.
(2)The uninstaller and the log collection tool to use in case of installation failure are provided.
•The each device driver file in the new version is the same version as it in the current version. If you have already installed 18.104.22.168 on your PC, you do not need to update.
•From this version, the Supporting OS of Windows 10 IoT Enterprise are as follows.
2015 LTSB 64bit
2016 LTSB 64bit
2016 LTSB 64bit
2019 LTSB 64bit
|Jul 30, 2019|
|22.214.171.124||(1)The following Windows OS is supported.
•Windows 10 Version 1809(October 2018 Update) (32 bit version/ 64 bit version)
(2)The installer and uninstaller are changed.
(3)The support tools for the driver are provided.
|May 27, 2019|
|126.96.36.199||(1)The following Windows OSes have been supported.
•Windows 10 Version 1803 (April 2018 Update) (32 bit version/ 64 bit version)
(2)Processing when PC power was turned off was improved.
You can install or uninstall the driver with our USB product inserted. Please be sure to read the notes on use in the included installation guide.
|Aug 21, 2018|
|188.8.131.52||(1)The following Windows® OSes have been supported.
•Windows® 10 Version 1703 (Creators Update) (32 bit version/ 64 bit version)
•Windows® 10 Version 1709 (Fall Creators Update) (32 bit version/ 64 bit version)
•Windows® 10 IoT Enterprise 2016 LTSB (64 bit version)
|Jan 10, 2018|
|184.108.40.206||(1)This driver has been adapted for use on Windows® 10 IoT Enterprise 2015 LTSB (64bit version).||Mar 30, 2017|
|220.127.116.11||(1)Windows 10 (32-bit/64-bit version) is supported.||Apr 19,2016|
|18.104.22.168||(1)The disconnection and connection processing of the USB device has been improved.||May 28,2015|
|22.214.171.124||(1)The disconnection and connection processing of the USB device has been improved.
(2)The start processing of the PC that the USB device is connected has been improved.
(3)The driver installation processing in the USB device connection has been improved.
|126.96.36.199||(1)Windows 8.1 (32-bit/64-bit version) is supported.
(2)Improvements have been made through processes when the COM port is open.
(3)The process of transferring data to the USB device has been improved.
|188.8.131.52||(1) Improved to support the function that can automatically resume COM communication.
Note: Users are strongly recommended to use the upgraded version 184.108.40.206.
|220.127.116.11||(1)There was a case in the current version that data communication was not started even though the BHT was reconnected if the USB device was determined to be removed from the USB port in the process of data transmission. This is improved and fixed in the new version.
(2)There was a case in the current version, though it was very rare, that the USB host controller on the PC did not respond to the request command from the driver, which as a result caused a BSoD. This is improved and fixed in the new version.
|18.104.22.168||(1)Windows 8 (32-bit/64-bit version) is supported.
(2)The phenomenon in which the application on the PC side was changed to a “No response” state on rare occasions is improved.
|22.214.171.124||(1)Improved the process of removing the USB device from the PC.
(2)Improved the process of opening the COM port.
|126.96.36.199||In configuration that the Active USB-COM Port Driver is used between the BA series and the QR-kbif, when the QR-kbif was activated with the “-d” option and tries to connect the scanner, the processing of the Active USB-COM Port Driver has been improved.||Apr 09,2012|
|188.8.131.52||(1) The phenomenon, in which the communication application on the PC side became unresponsive during data transfer on rare occasions, is improved in the new version.||Nov 04,2011|
|184.108.40.206||(1)Supported for Windows7 64bit version.
(2)Improved the data reception processing from the USB device.
(3)Improved the processing when the USB device is connected.
|220.127.116.11||(1)Supported for Windows 7（32bit version)
(2)Improved reconnection process in case of losing the connection with USB device.
|18.104.22.168||(1)Improved the process of executing opening /closing COM port in application software in disconnecting USB device.||Jan 19,2009|
|22.214.171.124||(1)Support Windows Vista (32bit).
(2)Added the displaying information of the "safty remove hardware" icon on the task-tray.
|126.96.36.199||(1)Released for CU-221/CU-421 to use MS ActiveSync with MS infrared driver.||Aug 25,2006|
If you want to upgrade your Windows PC that installed the Active USB-COM Port Driver to the new version of Windows,
please implement the following steps.
Please uninstall the old version's Active USB-COM Port Driver by the use of the Windows Control Panel “Programs and
Functions” as the Administrator.
Please extract the downloaded file "ActiveUSBCOM_E.ZIP".
The following two files will be extracted.
Please install the installer program as the Administrator, referring to the installation manual.
The below table shows the supported Models.
|2D Code Scanner||QK20-U, QK21-U, QK30-U, QK31-U,QB30-SU, QB31-SU
AT20Q-SM(U), AT21Q-SM(U), AT25Q-SM(U), AT26Q-SM(U)
|Bar Code Handy Scanner||HC56TU, HC56IITU,
|Bar Code Handy Terminal(1)||BHT-900 Series, BHT-1300 Series|
|Communication Unit||CU-521, CU-621, CU-821, CU-921, CU-1321(2),CU-AU1-15(2)|
|Bluetooth Communication Adapter||BA10-RKU, BA11-RKU, BA20-RU|
|RF TAG Reader/Writer||UR21-MR-01,UR-22-MR-01|
The below table shows the functional differences between the Active USB-COM and USB-COM 1.x.
|Function||Active USB-COM||USB-COM Ver.1.x|
|Need for the operation of "safely remove the USB device" when the USB device is removed||No need||Need|
|Serial Port Number release when the USB device is removed||Non-release||Release|
|Plugging the USB device into/off, during communication (COM Port is opened)||Possible||Impossible|