Nordic Semiconductor has been granted a patent for an oscillator arrangement that includes a relaxation oscillator with active and inactive states, a bias current circuit, and an electronic switch. The arrangement stores an internal voltage value for bias current generation during startup. GlobalData’s report on Nordic Semiconductor 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 Nordic Semiconductor, M2M communication interfaces was a key innovation area identified from patents. Nordic Semiconductor's grant share as of February 2024 was 32%. Grant share is based on the ratio of number of grants to total number of patents.
Oscillator arrangement with stored internal voltage for bias current
The granted patent (Publication Number: US11923805B2) discloses an oscillator arrangement that includes a relaxation oscillator with active and inactive states, a bias current circuit providing bias current during the active state, a reference circuit providing a reference voltage during the active state, and an electronic switch isolating the oscillator when inactive. The arrangement stores internal voltage values associated with bias current and reference voltage, utilizing them to generate the currents when transitioning from inactive to active states. The reference circuit includes a differential amplifier controlling the bias current circuit.
Furthermore, the patent describes an integrated circuit incorporating the oscillator arrangement and a method for operating the oscillator. The method involves providing bias current and reference voltage during the active state, transitioning to the inactive state, isolating the oscillator, storing internal voltage values, and using them to generate currents during startup. The bias current circuit is controlled by the differential amplifier, ensuring efficient operation of the oscillator arrangement. The patent also includes additional electronic switches to stop current flow in various parts of the arrangement during the inactive state, enhancing overall functionality and power management.
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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.
