KT&G has been granted a patent for a cartridge design that includes a connector with multiple terminals for electrical connection, a heater heated by current flow, and a processor to count signals received through specific terminals and reset the count when short-circuited. GlobalData’s report on KT&G 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 KT&G, Behavioral biometrics was a key innovation area identified from patents. KT&G's grant share as of February 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.

Smart cartridge with memory for heating device

Source: United States Patent and Trademark Office (USPTO). Credit: KT&G Corp

The granted patent (Publication Number: US11918047B2) discloses a cartridge designed with a connector comprising multiple terminals for establishing an electrical connection with an external device. The cartridge includes a heater that can be heated by a current passing through a specific pair of terminals. Additionally, a processor within the cartridge is responsible for counting the number of signals received through another pair of terminals, storing this information in memory, and resetting the count when the terminals are short-circuited following a predetermined pattern.

Furthermore, the processor in the cartridge is programmed to reset the stored count when two different sets of terminals are short-circuited sequentially within a set timeframe. The patent details the specific configuration of terminals involved in these operations, highlighting the role of the processor in managing the memory and resetting procedures. Additionally, the cartridge is designed to receive signals from an aerosol generating device through specific terminals, triggered by user actions related to smoking. The processor is further equipped to halt the current flow through the heater terminals once a predetermined threshold of counted signals is reached, ensuring safe and efficient operation of the cartridge. Each terminal in the cartridge is structured with a pin design that includes a spring, enhancing the overall functionality and connectivity of the device.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.