Maxim Integrated Products has patented a system for reducing haptic vibrations in electronic devices. The system includes a haptic vibrator, vibration sensor, and pattern generator to optimize braking signals based on measured vibrations, enhancing user haptic feedback. GlobalData’s report on Maxim Integrated Products gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Maxim Integrated Products, was a key innovation area identified from patents. Maxim Integrated Products's grant share as of February 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.
System for optimizing haptic vibration braking in electronic devices
A recently granted patent (Publication Number: US11921923B2) discloses a system and method for haptic vibration braking. The system includes a haptic vibrator, a vibration sensor to measure the generated vibrations, and a pattern generator to drive the haptic vibrator with a pattern signal that brakes the vibration. The amplitude of the pattern signal is selected based on measured vibrations, with the system capable of adjusting the pattern signal until the vibration falls below a threshold. Additionally, an acceleration analysis module can analyze vibrations and adjust the feedback control signal to the pattern generator.
The method outlined in the patent involves outputting a pattern signal to drive the haptic vibrator, measuring the vibrations, and selecting the amplitude of the pattern signal based on the measured vibrations. The process iteratively determines the optimal amplitude at each time frame to minimize vibration, storing these values for future use. The method also includes a scaling parameter to adjust the pattern signal for desired haptic feedback. The system and method are designed for linear resonant actuators and utilize accelerometers to measure acceleration in different axes, ensuring precise vibration control and feedback for enhanced user experience. Overall, the patent introduces a sophisticated system and method for haptic vibration braking, offering a detailed approach to managing vibrations in haptic devices.
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