Cantaloupe has been granted a patent for a serial device system that detects when serial communications are interrupted due to a disconnected cable. The system includes a host device and peripheral device connected by a serial communications cable, with the host device measuring power consumption to identify communication issues. GlobalData’s report on Cantaloupe 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 Cantaloupe, Contactless transaction authentication was a key innovation area identified from patents. Cantaloupe's grant share as of April 2024 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for detecting disconnected serial communication cable
A recently granted patent (Publication Number: US11914542B2) discloses a serial device system that includes a host device and a peripheral device connected via a serial communications cable. The host device is equipped with a mechanism to measure the electrical power consumption of its serial communication transceiver, enabling it to detect when serial communications are disrupted due to cable disconnection. By comparing the enabled and disabled power consumption levels, the system can determine if the cable is disconnected based on predefined thresholds. The patent also details how the system can identify specific communication line disconnections and is particularly useful in vending machines or kiosks where reliable serial communication is crucial.
Furthermore, the patent describes the host device's methodology for measuring power consumption, which involves analyzing the electrical power consumption in both enabled and disabled states when the device is idle and not transmitting data. The system utilizes a charge pump for signal conversion and pulse-width modulation (PWM) signals to monitor power consumption accurately. Additionally, the host device incorporates an electrical power monitoring device that can be analog or digital, allowing for precise measurement and analysis of power consumption levels. This innovative approach ensures efficient monitoring of serial communication integrity and cable connectivity, enhancing the reliability and performance of the serial device system in various applications.
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