Is the travel code patented?

Yes Travel itinerary code is a patent. Travel itinerary code was invented by Ma Xiaodong, and Ma Xiaodong was a master of China University of Science and Technology. Born in 1986, has always been a leader in the big data industry, with more than 20 patents, of which travel itinerary code is one. Run-length coding (RLE), also known as run-length coding, run-length coding and variable-length coding, is a statistical coding. The main technique is to detect repeated bit or character sequences and replace them with their frequency.