Nikola Tesla Patents
J J T ; makes it practicable, among other things, to greatly extend the distance of transmission of signals and to exclude much more effectively interference with the same than has been possible heretofore. Having now described my invention, what I claim is: 1. The combination with a circuit adapted to vibrate freely, of means for artificially cooling the same to alow alow temperature, as herein set forth. 2. In an apparatus for transmitting or receiving electrical impulses or oscillations, the combination with a primary and a secondary circuit, adapted to vibrate freely in response to the impressed oscillations, of means for artificially cooling the same to a low temperature, as herein set forth. 3. In a system for the transmission of electrical energy, a circuit upon which electrical oscillations are impressed, and which is adapted to vibrate freely, in combination with a receptacle containing an artificial refrigerant in which said circuit is immersed, as here in set forth. 4. The means of increasing the intensity of the electrical impulses or oscillations impressed upon a freely vibrating circuit, consisting of an artificial refrigerant combined with and applied to such circuit and adapted to maintain the same at a low temperature. 5. The means of intensifying and prolonging the electrical oscillations produced in afreely vibrating circuit, consisting of an artificial refrigerant applied to such cirto cuit and adapted maintain the same at a uniformly low temperature. 6. In a system for the transmission of energy, a series of transmitting and receiving circuits adapted to vibrate freely, in combination with means forartificial tificially maintaining 511
