PLASTIC MARKING TAPE FOR USE IN IDENTIFYING THE LOCATION OF UNDERGROUND CABLES

MEDICAL EQUIPMENT-NAMELY, A SYSTEM FOR MONITORING ARTIFICIAL CARDIAC PACEMAKERS VIA TELEPHONE ESSENTIALLY COMPRISED OF A TRANSMITTER, A RECEIVER, ELECTRODES AND AN ACOUSTIC COUPLER USED TO SIMULATE TELEPHONE TRANSMISSION TO CHECK OPERATION OF A RECEIVER, THE SYSTEM BEING OPERATIVE TO TRANSMIT AND REMOTELY RECEIVE AND DISPLAY ELECTRICAL DATA CONCERNING OPERATION OF PACEMAKERS AND PHYSIOLOGICAL DATA, SUCH AS ELECTROCARDIOGRAMS

[ vehicle locating devices, namely, radio transmitters and receivers ]

Computer software for characterizing the structure and performance of a network