I have over 30 years experience in building, maintaining, and analyzing electrical devices and electronic systems, such as: remote control devices, security and alarm systems, wireless microphones, carrier-current transmitters, sound and public address systems, computer and data processing equipment, radio and television equipment, automotive electronics, tape recorders, cellular telephones, and video surveillance devices. I have contributed to a variety of legal matters all based on electrical devices and electronics technology, including: electric shock, electrical wiring, surveillance monitoring, lightning damage, audio and video recording, radio broadcasting, traffic radar and lidar, voice identification, electronic circuitry, pocket paging systems, patent questions involving electronic devices, vehicle accident reconstruction, automobile control systems, telephone communication, and industrial machinery. I have additional experience formulating and evaluating new concepts on acoustic and electronic warfare for detection and tracking of moving vehicles, for defense against missiles and torpedoes, and on computer-generated imagery. I have over 15 years expert witness experience with consultations, deposition, and courtroom testimony.