Dahua Technology obtained the invention patent authorization:

According to data from Tianyancha APP, Dahua Technology (002236) has newly obtained an invention patent authorization. The patent is called "Data interaction method and receiving card applied to LED display control system". The patent application number is CN202110865356.1, and the authorization date is April 25, 2025.

Patent abstract: The present invention relates to the field of LED display control technology, and discloses a data interaction method and a receiving card applied to an LED display control system. The host computer splits the data to be interacted into several data messages based on the storage capacity of the target storage area. The target storage area on the receiving card memory allows the configuration of a larger storage capacity, which means that the present invention can reduce the number of split data messages and reduce the number of interactions of the data messages, thereby improving the efficiency of data interaction, thereby improving the response speed of client operations and improving user experience.

Dahua Technology has obtained 445 new patent authorizations this year, an increase of 101.36% compared with the same period last year. Combining the company's 2024 annual report financial data, the company invested 4.213 billion yuan in research and development in 2024, a year-on-year increase of 6.2%.

Data source: Tianyancha APP