Ningbo Joyson Electronic’s patent involves an input assembly with a vibrating input part for haptic feedback. The electromagnetic actuator, with a resiliently mounted additional mass, is attached to the input part via a vibration isolator. The system response to the actuator is controlled to ensure optimal feedback timing and decay. GlobalData’s report on Ningbo Joyson Electronic 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 Ningbo Joyson Electronic, was a key innovation area identified from patents. Ningbo Joyson Electronic's grant share as of May 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Input assembly with haptic feedback and vibration damping
A recently granted patent (Publication Number: US11970061B2) discloses an innovative input assembly designed to provide haptic feedback to operators. The assembly includes a carrier, an input part capable of vibrating along a direction of movement, and an electromagnetic actuator that generates haptic feedback upon touch detection by the operator. The actuator features an additional mass resiliently mounted using a resilient mount and is attached to the input part via a vibration isolator. The system is designed to ensure specific response characteristics, including a controlled maximum amplitude of system response within a defined time interval and a decay instant following a maximum amplitude. The natural frequency of the vibrating system is also optimized for performance.
Furthermore, the patent details various configurations and features of the input assembly, such as the attachment of the actuator to the input part exclusively via the vibration isolator, the use of specific materials for the vibration isolator, and the actuator's configuration as a linear resonant actuator (LRA). The assembly is particularly suitable for use in motor vehicles, enhancing user interaction through precise haptic feedback. The design considerations outlined in the patent aim to improve the overall user experience by ensuring a consistent and controlled haptic response. The input assembly's construction and functionality are tailored to meet specific performance criteria, making it a valuable innovation in the field of input devices.
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