Winbond Electronics patented a signal emitting system with frequency-dependent dynamic range control, avoiding current overloading in high frequencies without a series resistor. The system includes a processor for conditioning the source signal and an amplifier for generating the output signal. This innovative method optimizes signal emission efficiency. GlobalData’s report on Winbond Electronics 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 Winbond Electronics, Magnetic RAMs was a key innovation area identified from patents. Winbond Electronics's grant share as of January 2024 was 77%. Grant share is based on the ratio of number of grants to total number of patents.
Dynamic range control method for signal emitting system
A recently granted patent (Publication Number: US11889279B2) discloses a signal emitting system that includes a signal emitter with an admittance increasing with signal frequency, an amplifier, and a processor. The processor is responsible for generating a dynamically conditioned source signal for the amplifier by transforming the source signal into a reconstructable frequency domain representation, converting it to a voltage representation, and further processing it to determine a breakdown frequency bin index and a roll-off factor. The system also includes a dynamic conditioning filter block, an inverse transform block, and a post-processing block to apply gradient control to the signal, limiting differences between consecutive samples.
Furthermore, the patent claims detail additional features of the signal emitting system, such as the use of a binary search by the parameter extraction block to iteratively determine the roll-off factor, the specific application of the system to a piezo speaker emitting acoustic signals, and the selection of various reconstructable frequency domain representations like FFT, DFT, MDCT, MDST, CQT, and VQT. Additionally, the system allows for modification of the current spectrum by an inflation factor greater than one and determines a difference threshold for gradient control based on characteristics of the source signal and intermediate signal, including crest factor and various statistical measures. Overall, the patented system offers a comprehensive approach to signal emission, utilizing advanced processing techniques to optimize the output signal based on the input source signal.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
