Pasadena-based Cogent Systems revealed Wednesday that it has signed a Canadian firm as a distributor of its BioGate line of commercial biometric readers. Cogent said the distributor, Keyscan Inc., will also become Cogent's largest private-label customer. The financial impact of the new business was not disclosed. Founded in 1984 and headquartered in Whitby, Ont., Keyscan is a privately-owned manufacturer of building access and security equipment. According to Cogent, Keyscan also maintains a distribution network comprising more than 40 distributors throughout the United States and Canada. Cogent added that its agreement with Keyscan includes Cogent's full line of biometric readers, including Search-Gate, Smart-Gate, SC-Gate and ID-Gate.