Robert Wake, vice president of engineering at Imaging Diagnostic Systems, has received a patent for a "Time-Resolved Breast Imaging Device," No. 6,339,216, which protects the key electronics of a time-resolved optical CT scanner.. . .Peter Blakey, PhD, was appointed director of product marketing, DIVA, Optoelectronics Division, at Accent Optical Technologies, supplier of optoelectronics and silicon semiconductor process control systems. Blakey is responsible for managing Accent's DIVA (Dynamic I[V] Analyzer) portfolio in the RF and microwave marketplace.