Nikola Tesla U.S. Patent 613,809 - Method of and Apparatus for Controlling Mechanism of Moving Vehicle or Vehicles Patent Wrapper Page 62

278 P As previously explained, the longest period of operation of which the motor F is capable under ordinary conditions of use does not permit the motor m to shift the arm m' into contact with the plate n. But if the handle T be turned with a certain rapidity a series of current impulses will be directed through motor m, but, as these they do not tend to rotate the motor F in opposite directions sensibly affect the latter, but act to rotate the motor m against the force of the coiled spring. Having now described my invention, what I claim is: 1. The improvement in the art of controlling the movements and operation of a vessel or vehicle herein described, which consists in producing waves or disturbances which are conveyed to the vessel by the natural media, actuating thereby suitable apparatus on the vessel and effecting the control of the propelling engine, the steering and other mechanism by the operation of the said apparatus; as set forth. (12) Inaint Tho Oct. 4 - 1978) 75 ^ 2. The improvement in the art of controlling the movements and operation of a vessel or vehicle, herein dearibed, which consists in establishing a region of waves or disturbances, and actuating by their influence exerted at a distance the devices on such vessel or vehicle, which control the propelling, steering and other mechanism thereon, as set forth. 3. The improvement in the art of con trolling the movements and operation of a vessel or vehicle, herein described, which onsists in establishing a region of electrical waves or disturbances, and actuating by their influence, exerted at a distance, the devices on said ves-25