Self-contained heads-up visual altimeter for skydiving
Radio eyewear Patent #: 5606743
AbstractAn eyeglass locator system for locating misplaced eyeglasses having a frame and a pair of earpieces extending rearwardly from the frame, comprising a transmitter and a receiver portion. The transmitter is preferably keychain attachable, and produces a radio frequency signal when activated by means of a button. The receiver portion is located at the eyeglasses and produces and audible and/or visual alert in response to the radio frequency signal. The receiver portion is preferably either encapsulated within one or both of the earpieces at its distal end, or is located in a sleeve which is mounted over the distal end of one or more of the earpieces of an existing pair of eyeglasses.