UICO has a range of PCAP touch controllers to allow our touch experts to select the best option for your application. From small to large touchscreen, single point to multi-touch, we have you covered. The dT series controllers have UICO’s proprietary waterSense® and gloveSense® algorithms for touch performance customization capabilities. See a summary of our controller specifications and capabilities below.
To download the above chart with additional information:
Key Functions of a Touch Controller
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Signal Processing:
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Reads raw signals from the touch sensor.
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Detects changes in capacitance, resistive values, or other electrical properties caused by touch.
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Coordinate Calculation:
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Converts touch signals into specific coordinates (e.g., x and y positions) on the display.
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Often supports multi-touch gestures by recognizing multiple simultaneous touch points.
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Data Transmission:
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Communicates touch data to the main device processor via standard protocols (e.g., I²C, SPI, or USB).
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Filtering and Noise Reduction:
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Eliminates electrical noise or interference that could cause erratic touch behavior.
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Ensures smooth and accurate touch recognition.
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Gesture Recognition:
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Supports predefined gestures like pinch-to-zoom, swipe, tap, and double-tap.
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Recognizes custom gestures if supported by the firmware.
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Calibration and Adaptation:
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Ensures consistent performance by calibrating the sensor to environmental factors like temperature, humidity, and contamination.
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How it Fits Into a Touch System:
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Touch Sensor Layer: Detects changes caused by touch.
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Touch Controller: Interprets and processes these changes into usable data.
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Main Processor: Receives data from the touch controller to execute user commands (e.g., opening an app or scrolling).
Types of Touch Controllers:
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Capacitive Touch Controllers:
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Designed for PCAP sensors.
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Highly precise and responsive.
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Resistive Touch Controllers:
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Used in older or specialized touch systems.
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Supports single-touch input.
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Hybrid Controllers:
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Support multiple technologies or specialized use cases, like rugged environments.
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Touch Controller Applications:
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Consumer Devices:
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Smartphones, tablets, laptops, and smartwatches.
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Industrial Equipment:
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Touch interfaces in control panels and machinery.
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Automotive Systems:
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Infotainment screens and dashboard controls.
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Point-Of-Sale (POS) Systems:
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Touch controllers in retail devices.
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Importance of Touch Controllers:
Without the touch controller, the touchscreen would not be able to reliably interpret touch interactions, making it a crucial component for the usability and functionality of touch-enabled devices
Complete solutions are available to meet your needs including touchscreen, cover lens, LCD, and optical bonding services.
Custom Solutions and Larger Sizes Available - Contact UICO Sales
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