Posts Tagged ‘patent’

Simple electronic circuit patents

Thursday, February 7th, 2013

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...

Posted in legislation | 6 Comments »

Peer to peer control network uses TV spectrum white space

Friday, December 10th, 2010

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.

Tags: , ,
Posted in documentation, RF | 2 Comments »

Recent Comments

  • Drone: The LM7171 used in this very simple design can be simulated in LTspice with reasonable results at 10MHz using the non-encrypted PSPICE model from TI...
  • Jon Jackson: I would be interested in 1 or 2 of your circuit boards. Jon
  • Max: An actual Saturday "detector" built with the same hardware would use the precisely timed slightly varying length of the day (and some built-in astronomy data)...
  • KH: In the old days, these things remained on paper forever as whimsical scrawls. Today, they are brandished about on blogs for the entire world to...
  • KH: So he doesn't really know what he's doing. Yawn. It's sensor-controlled. It's not an oscillator. A leaf covers the window, you're toast. TLV3702? Overkill. The...