Zytronic touch controllers enable new generation of multi-function kiosks

Zytronic controllers are designed for its projected capacitive touch sensors.

Zytronic, a manufacturer of projected capacitive touch technology, hopes to unlock a new generation of more flexible kiosks with the launch of its new controllers. The new ZXY500 offers improved compatibility with contactless payment and systems, as well as potential enhancements for disabled users.

The new ZXY500 controller is compatible with contactless technologies increasingly being integrated alongside displays to enable payments, customer tracking and battery charging technologies. RFID, NFC and Qi phone charging all generate wireless signals that can interfere with the operation of conventional touchscreens, but the new controller has signal-to-noise ratios and algorithms that change to reject electromagnetic interference in the operating environment. Zytronic tested each of these technologies with the ZXY500 controller to demonstrate they can be implemented close to an active touch area without impairing the performance of the touchscreen.

The new controller can be used with a 46-inch sensor.

Another benefit is the controller's support of 3D touch, which allows implementation of audible touch for partially sighted or blind users. A light touch can trigger an audible confirmation of the option selected, which can be confirmed by pressing harder.

The controller is designed for use with Zytronic's projected capacitive technology touch sensors. The controllers allow touch sensors to be designed with reduced non-active borders. For example, a 55-inch diagonal touch sensor can be designed with sub 10mm borders.

"Zytronic is keenly attuned to the needs of the kiosk and vending industry, and our new controllers enable new functionality to be added alongside the touch interface, such as contactless payment and loyalty card recognition," Ian Crosby, sales and marketing director, said in the press release. "They can also enhance usability for disabled customers. The new generation of ZXY500 touch controllers is easier to integrate into a system than ever before, and enables a faster, more responsive user experience even in demanding outdoor environments where users may be operating with gloved hands." 

The ZXY500 can support up to 80 simultaneous touches, enabling multi-user interactivity and improved palm rejection functionality. It also features increased speed, updating touch coordinates in just 1ms at the controller output, reducing touch latency by a third compared to previous generation controllers and improving the user experience.

Each channel on the device can be configured via firmware to operate in transmit or receive mode, enhancing performance in applications where touchscreens of unusual aspect ratios are used.  

The ZXY500 achieves noise immunity on displays from 5 inches to around 86 inches diagonal, thanks to its 40V on-board drive signal coupled with new touch sensing algorithms. 

The controller and touch sensor together can be powered from a 5V USB port, eliminating the need for a separate power supply.

The ZXY500 is offered with USB output as standard, but also has options to add RS232, I2C, SPI and interfaces to simplify system integration for industrial and medical applications. 

The new controllers have been designed to be human interface device compliant and offer "plug-and-play" operation with later Windows operating systems, and also support the latest Linux and Android versions designed for multi-touch. All settings including calibration data can be stored in non-volatile memory on board the controller, so that once an initial touchscreen has been set up, these settings can be copied directly into firmware and used to configure further interfaces in production without the need to repeat the set-up and calibration process. 

Zytronic is releasing three ZXY500 controllers for different sizes of touch interface. The 64-channel ZXY500-U-OFF-64 is for sensors of 5-inch to 20-inch diagonal, the 128-channel ZXY500-U-OFF-128 for sensors of 20-inch to 55-inch, and the 256-channel ZXY500-U-OFF-256 for sizes above 55 inches. 

Photos courtesy of Zytronic.

Topics: Display Technology, Hardware, Interactive / Touchscreen, Manufacturers

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