A warning device that turns on a warning light and or a warning sound to indicate when a manhole cover or a service box cover or a metal pole for lights, traffic lights, transformers or others has become dangerously electrically charged. The invention is attached to the frame of a manhole cover, or a service box cover or a metal pole. The light and sound warns people to stay off the covers and their surrounding areas, and the surrounding areas of the metal poles.
The invention is prosthetic hearing aid designed to assist and enrich the lives of people who are hearing impaired or have experienced a total loss of hearing by allowing them to hear or understand what is spoken to them. The invention consists of a frame assembly having left and right temples and a front, a lens assembly secured to the fame assembly, a set of microphones attached to the frame assembly, capable of detecting the sound of the spoken word, a television camera system attached to the frame assembly, that is able to track lip movement, a semi transparent viewing screen and a CPU microprocessor and appropriate electronic software coding in order to convert both the audio as well as the lip movement of the spoken word into text and also change the frequency of the spoken word.