China Pacific Insurance (Group) has been granted a patent for systems and methods related to SAR analog-to-digital converters. The method involves comparing DAC output voltage to analog input voltage and gating based on digital feedback. The innovation aims to enhance the efficiency of SAR ADCs. GlobalData’s report on China Pacific Insurance (Group) 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 China Pacific Insurance (Group), Digital lending was a key innovation area identified from patents. China Pacific Insurance (Group)'s grant share as of January 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Successive approximation register analog-to-digital conversion method
A recently granted patent (Publication Number: US11888498B2) discloses a method for performing successive approximation registers (SAR) analog-to-digital conversion. The method involves comparing a first digital-to-analog (DAC) output voltage to a sampled analog input voltage using a comparator to generate a comparison result. Gating logic circuitry is then used to gate the comparator outputs based on digital feedback, which includes information associated with previous bit trials. The digital feedback influences the gating of the comparator outputs to next logic circuitry, ensuring efficient SAR analog-to-digital conversion.
Furthermore, the patent also describes a SAR analog-to-digital converter (ADC) that includes a digital-to-analog converter (DAC), a comparator, and SAR logic circuitry. The SAR logic circuitry comprises first and second logic circuitry to process the comparator outputs based on digital feedback and shift register output clock pulses. The ADC utilizes a shift register, asynchronous clock generation circuitry, and detection circuitry to facilitate the SAR conversion process. Additionally, the DAC in the ADC is specified to be a switched capacitor DAC, enhancing the efficiency and accuracy of the analog-to-digital conversion process. Overall, the patented technology offers a novel approach to SAR analog-to-digital conversion, improving the performance and reliability of ADC systems in various applications.
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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.
