the company also purchased cable tv system operator teleprompter in 1981, which it renamed group w cable the following year. the teleprompter acquisition also brought animation producer filmation into the group w fold. however, westinghouse would leave the cable tv system business in 1986, and would later sell the filmation library to l'oréal in 1989. during that period, group w was known in full as westinghouse broadcasting and cable, inc.