Diodes has been granted a patent for systems and methods that boost signals in serial interfaces. The patent describes a system with boosting circuitry, including a boosting capacitor that charges during a charging phase and boosts the voltage of signals transmitted on a signal transmission line during a discharging phase. Switching circuitry is also included to switch the boosting capacitor between the voltage supply and the signal transmission line. GlobalData’s report on Diodes 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 Diodes, Authentication communication protocols was a key innovation area identified from patents. Diodes's grant share as of September 2023 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Signal boosting system using boosting capacitor and switching circuitry
A recently granted patent (Publication Number: US11764672B1) describes a system and method for boosting signals in a signal transmission line. The system includes boosting circuitry with at least one boosting capacitor that can be charged from a voltage supply and then discharged to boost the voltage of signals transmitted on the line. Switching circuitry is used to switch the boosting capacitor between being connected to the voltage supply and being connected to the signal transmission line.
The boosting circuitry can be integrated into the signal transmission line itself. The system is particularly designed for differential signaling, where two lines transmit two different signals. In this case, the system includes separate boosting capacitors for each line. The switching circuitry is configured to connect the appropriate boosting capacitor to the corresponding line based on the relative magnitude of the signals.
The voltage supply can be programmed to provide a voltage based on the desired boost for the signals. The switching circuitry is controlled by an edge detection component, which can be an equalizer. The frequency response of the equalizer can be programmable.
The method for boosting signals involves detecting rising or falling edges in the signals and then switching the boosting capacitor from the voltage supply to the signal transmission line to transfer charge and boost the voltage. The method also includes determining the duration of the discharging phase, which affects the amplification of high-frequency signals and counteracts the low-pass filter effect of the signal transmission line.
Overall, this patent describes a system and method for boosting signals in a signal transmission line, particularly for differential signaling. The system includes boosting circuitry with capacitors and switching circuitry to control the charging and discharging phases. The method involves detecting edges in the signals and adjusting the boosting capacitor accordingly. The patent also mentions the use of an equalizer for edge detection and programmable settings for the voltage supply and duration of the discharging phase.
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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.
