electronic remote control units and systems comprising computer hardware, operating software, application software, networking software, and handheld devices for the control and automation of electronic, audio, video, lighting, security, and environmental equipment, apparatus and appliances, namely, players and recorders for PVRs/DVRs, CDs, DVDs, video cassettes, audio cassettes, mini-discs players and MP3 files, amplifiers, loud speakers, headphones, earphones, television sets, radio sets, t...