Nikola Tesla U.S. Patent 723,188 - Method of Signaling Patent Wrapper Page 43

600 64, 522 -2132 Pittsburg, Fa. Count 2: The method of signalling, which consists in producing and transmitting a plurality of kinds or classes of electrical impulses or disturbances, developing by the impulses of each class a current in one of a plurality of receiving circuits tuned to respond exclusively thereto and controlling by means of the conjoint action of such circuits a local circuit; which is your claim 2 and claim 7 of Fessenden. Count 3: The method of signalling which consists in producing a plurality of series of impulses or disturbances differing from each other in character and order of succession, exciting by the impulses of each series one of a plurality of receiving circuits tuned to respond exclusively thereto and controlling by the conjoint action of such circuits a local circuit; which is your claim 3 and claim 8 of Fessenden. Count 4: The method of signalling which consists in producing a plurality of series of electrical impulses of different charLacter, varying the time intervals between the emission of such impulses, exciting by the impulses of each series one of a plurality of receiving circuits tuned to respond exclusively thereto and controlling by the conjoint action of such circuits a local circuit; which is your claim 4 and claim 9 of Fessenden. Count 5: In a telegraph system adapted or designed for the transmission of electrical signalling waves or impulses of different periodicities and the receipt thereof, audible or recorded, the method of operation herein described which consists in varying the order of transmittal of waves or impulses forming elements of the signal sent according as one or another receiving station is to be signalled where (proper circuit closing mechanism being provided at each receiving station) the transmitted signal will be intelligible at and only at the intended receiving station; which is your claim 5 and claim 1 of Fessenden. Count 6. A method of telegraphy, which consists in selecting and associating together in predetermined order of succession