SATCHWELL

electronic and microprocessor-based monitors and controls for monitoring and controlling heating, ventilation, air conditioning, lighting, elevators, security and building environments, comprising, wide and local area communicators, electronic monitoring and control stations, visual displays, liquid crystal displays, disc drives, tape streamers, computers, data processors, hard discs, floppy discs, random access memories, electronically programmable read-only memories, digital optical discs and digital recording tape