The company now holds two patents and four patents are pending. Captivate hosts a server in every building. The server calls out to a central hosting site and the program is then addressed to each location, Jackson said. Inside the elevator shaft is a wireless local area network. Jackson said removing the kinks of installing screens on a wireless LAN was not simple.
Elevator shafts are hostile environments for electronics, because of the grease and dust.
Finding the right frequency was also difficult, according to Jackson, because of the height and number of floors. In addition, the elevator is constantly moving. One feature that was clear and simple is selling customized content to specific locations. For example, a building manager at 150 Federal St. can customize the content to include local news for tenants in Boston, while the content in an elevator in a New York City building would focus on New York news and weather.