Camera stability accessory, namely, a support arm, vest and sled for film and video cameras to absorb shaking moves while shooting; Computer hardware for IP video surveillance; IP video servers; Matrix switchers for audio and video signals; Telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; Transmitters and receivers for audio and video signals for transmission over twisted pair cables
Electrical and Scientific Apparatus