Advantest has been granted a patent for an apparatus that converts frequency ranges of input data signals. It includes a converter to shift frequencies and a band selective filter bank with multiple bandpass filters, facilitating the transition from an original frequency range of 2-8 GHz to a target range of 24-53 GHz. GlobalData’s report on Advantest 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 Advantest, NFC-enabled implants was a key innovation area identified from patents. Advantest's grant share as of June 2024 was 51%. Grant share is based on the ratio of number of grants to total number of patents.
Frequency range conversion apparatus for data signals
The patent US12040825B2 describes an innovative apparatus designed to convert input data signals from an original frequency range to a target frequency range. The apparatus includes a converter that shifts the frequency of the input signal, which can range from 2 to 8 GHz or 6.35 to 17.5 GHz, to a target frequency range of 24 to 53 GHz. This conversion process involves an intermediate frequency range, and the apparatus is equipped with an input band selective filter bank that routes the input signal through a selected subrange of bandpass filters. Each filter corresponds to a specific subrange within the target frequency range, ensuring that the local oscillation frequency range does not interfere with the input data signal.
Additionally, the apparatus features a stepped attenuator to reduce the intensity of the input signal at the target frequency range. The converter includes an input mixer that combines the input data signal with a local oscillation signal, with the design ensuring that each subrange of the bandpass filters is distanced from the local oscillation frequency range by at least 2 GHz. This configuration minimizes the intensity of the local oscillation signal, keeping it below 0.1% of the input data signal's intensity. The converter may also include a frequency doubler and is capable of shifting the target frequency range of an output data signal back to the original frequency range, further enhancing its versatility in signal processing 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.
