SerComm has been granted a patent for a video doorbell that features a bridge rectifying unit, switch unit, and processing unit. The device can detect chime types by analyzing the rising time of DC voltage after generating a short-circuit current, distinguishing between analog and digital chimes. GlobalData’s report on SerComm 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 SerComm, V2V communication antennas was a key innovation area identified from patents. SerComm's grant share as of June 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Video doorbell with chime type detection method
The patent US12046127B2 describes a video doorbell that incorporates a bridge rectifying unit, a switch unit, and a processing unit to enhance its functionality. The bridge rectifying unit converts AC power from a transformer into DC voltage. During a chime type detection mode, the switch unit generates a short-circuit current to trigger a chime, which is maintained for a specific detection time, typically between 3 to 6 seconds. The processing unit then measures the rising time of the DC voltage after the short-circuit current is terminated to determine whether the chime is analog or digital, based on a predetermined threshold of 50 milliseconds.
Additionally, the video doorbell features an automatic setting method that allows it to identify the type of chime. The processing unit can adjust the ringing time based on the chime type, with shorter ringing times for analog chimes (0.5 to 2 seconds) and longer times for digital chimes (5 to 30 seconds). The system also includes a mechanism for detecting button presses or remote control signals to initiate the chime type detection mode, with voltage detection occurring at intervals of 50 to 70 milliseconds. This innovative approach aims to streamline the user experience by automatically configuring the doorbell to work with various chime types.
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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.
