Marine transponders; Electronic receivers, transceivers and displays for marine vessel collision avoidance utilizing Universal Shipborne Automatic Identification System (AIS); Electronic devices for marine vessel navigation and electronic devices for marine vessel safety, namely, GNSS receivers, AIS transponders, protocol converters, and wireless routers

wandering patient, institutional inmate and personnel location system comprising; transmitters carried by patients, inmates or personnel; receivers for detecting the transmitters carried by the patients, inmates or personnel; displays for indicating the location of patients, inmates or personnel; and parts thereof

Electronic device for vessel navigation and safety incorporating GPS and Universal Shipborne Automatic Identification System (AIS) receiver or transceiver; additionally making safety and navigation data available to other wireless devices, namely, mobile phones, tablets and computers which may or may not also allow those wireless devices to command and control the electronic device