9 LINKING APPARATUS FOR INTERCONNECTING PERSONAL COMPUTERS WITH PERIPHERALS, KEYBOARDS, VIDEO DISPLAY MONITORS AND MICE, NAMELY, EXTENDERS; COMPUTER PERIPHERALS; NAMELY, SWITCHES FOR CONTROLLING COMPUTERS WITH A SINGLE KEYBOARD, MONITOR AND MOUSE AND MANUALS FOR USE IN CONJUNCTION THEREWITH; REMOTE CONTROL APPARATUS FOR COMPUTERS; COMPUTER PERIPHERALS FOR AUTOMATICALLY POWERING UP COMPUTERS REMOTELY BY TELEPHONE; ELECTRONIC SIGNAL SPLITTERS AND TELEPHONE-ACTIVATED POWERS SWITCHES AND USER MANUALS SOLD THEREWITH, EXCEPT FOR PRODUCTS ESPECIALLY ADAPTED, MODIFIED, OR DEVELOPED FOR USE IN, OR IN CONJUNCTION WITH, SPORTS MEDICINE, PHYSICAL REHABILITATION AND TESTING, EXERCISE OR FITNESS EQUIPMENT, AND EQUIPMENT SYSTEMS