--- title: STYLUS Touch Performance Testing | OptoFidelity image: https://www.optofidelity.com/hubfs/raw_assets/public/optofidelity-theme/assets/images/optofidelity-default-teaser.jpg description: OptoFidelity STYLUS is a human-simulating system for stylus touch performance testing. Get to know the high accuracy tool that guarantees reliable test results. --- [Skip to content](https://www.optofidelity.com/stylus#h1) [OptoFidelity ![OptoFidelity logo](https://www.optofidelity.com/hubfs/raw_assets/public/optofidelity-theme/assets/images/logo.svg) ](https://www.optofidelity.com/en/?hsLang=en) Toggle menu - [ Products ](https://www.optofidelity.com/stylus#) - AR/VR/MR Testing [ AR/VR/MR Testing ](https://www.optofidelity.com/en/ar-vr-testing?hsLang=en) Improve the quality of your waveguides and smart glasses with precise test systems - AR/VR products [ Production MTF ](https://www.optofidelity.com/production-mtf?hsLang=en) High-Resolution Automated Waveguide Image Quality Measurement System [ Production IQ ](https://www.optofidelity.com/production-iq?hsLang=en) Automated Waveguide Image Quality Measurement for AR Waveguide Manufacturing [ WG-IQ ](https://www.optofidelity.com/en/products/wg-iq?hsLang=en) Fully automated waveguide image quality measurement system [ WG-GAT ](https://www.optofidelity.com/en/products/wg-gat?hsLang=en) High-accuracy diffractometer for AR waveguide characterization [ BUDDY ](https://www.optofidelity.com/en/products/buddy?hsLang=en) Performance testing system for AR/VR/MR glasses [ Services & support ](https://www.optofidelity.com/en/service-and-support?hsLang=en) Learn more about our services and support. 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Advance your career with OptoFidelity and check our open positions. - [Contact us](https://www.optofidelity.com/en/contact-us?hsLang=en) - Open search Close search This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. - - [English](https://www.optofidelity.com/stylus) - [Chinese](https://www.optofidelity.com/zh/stylus) ![STYLUS_CLOSE_UP](https://www.optofidelity.com/hs-fs/hubfs/01%20New%20Website%202024/About%20OptoFidelity%202024/History%202024/STYLUS_CLOSE_UP.jpg?width=2000&name=STYLUS_CLOSE_UP.jpg) # OptoFidelity STYLUS ## Stylus touch performance testing featuring tilt, azimuth and force feedback ## OptoFidelity's Human-Simulating System for Stylus Testing ## Successful stylus testing calls for top-notch technical expertise and high accuracy motion robotics ![STYLUS_front_transparentBG](https://www.optofidelity.com/hs-fs/hubfs/03.%20Products/06.%20STYLUS/STYLUS_front_transparentBG.png?width=735&height=735&name=STYLUS_front_transparentBG.png) OptoFidelity STYLUS is based on the accurate OptoStandard robotic platform which fulfills the precision required for stylus testing. The stylus location, angle and applied force have an impact on how the application shows e.g., a line drawn by the user. OptoFidelity STYLUS provides the user with control over the stylus tilt and azimuth angles as well as force applied to the DUT (device under test). The default system setup includes motion control that supports synchronized motions enabling a variety of stylus gestures. OptoFidelity STYLUS is delivered with a factory-calibrated camera system and motion control accuracy. The motion control accuracy of the delivered test system supports +/-25 μm accuracy, which has been verified with the external 6DOF measurement system.   ## Fast and Convenient The deployment of OptoFidelity STYLUS is fast and convenient. The system delivery includes on-site system setup and training, enabling our customers to start testing right away! OptoFidelity's comprehensive support services provide guidance and help for further usage of the system.   ![STYLUS_CLOSE_UP-1](https://www.optofidelity.com/hs-fs/hubfs/03.%20Products/06.%20STYLUS/STYLUS_CLOSE_UP-1.jpg?width=2000&name=STYLUS_CLOSE_UP-1.jpg) ## System Setup - Accurate OptoStandard (XYZ) robotic platform - Stylus test actuator supporting controlled azimuth angle, tilt angle and applied force - Universal stylus holder for mounting the tested stylus - Integrated stylus position calibration tool and force calibration tool - Control box - Measurement PC with peripherals (display, keyboard, mouse) - Touch and Test (TnT) Software Suite - Android test application to test and measure a product ## Benefits ### High accuracy tool for measuring touch UI quality and usability ### Comprehensive test case coverage ### Efficient system software guaranteeing reliable test results data  ### Comparable results from the chipset level to the final product level ### Supports reliability testing with 24/7 test automation ### Supports automated touch testing for continuous integration ## Test Feautures OptoFidelity STYLUS touch gestures include tap, drag, swipe and circle with user controlled tilt angle, azimuth angle and contact force. Touch **Accuracy**, i.e. the accuracy of the tap gesture position reported by the touch panel compared to the programmed position of the tap. Touch **Jitter**, i.e. variation in detected touch screen coordinates while finger is motionless or drawing a straight line. Touch **Linearity**, i.e. how accurate the touch panel coordinates are compared to the actual, programmed position of the linear swipe gesture. Touch **Reporting rate**, i.e. the frequency of reporting in the touch panel Touch **Resolution**, i.e. the smallest increment of position change the touch panel is reporting Touch **Latency**, i.e. the level of delay between the tap gesture and receiving the related touch event (touch panel level test). Touch **Sensitivity**, i.e. the level of signal received from the touch sensor (touch panel level test). ## See STYLUS in Action This video shows OptoFidelity STYLUS in action. 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