Simple electronic circuit patents

While circuits can’t be copyrighted, they can be patented. Mats spotted this simple undervoltage indication circuit that is supposedly covered by a patent. As always the devils are in the details, so a specific non-obvious aspect of the circuit may be the patented component. Imagine how difficult innovation would be if there were a patent […]

Peer to peer control network uses TV spectrum white space

New patent application #20100309806 describes a peer to peer radio system designed to utilize the “white space” between TV channels. The system receives data from RF and geolocation sensors and processes them along with information from the FCC’s white space database to assign operating frequencies on a dynamic basis.