Tesla patent drawings

Nikola Tesla Patents

Tesla was granted nearly 200 patents worldwide

486 Room 91. In the matter of the application of Nikola Tesla, No. 735,573, filed November 2, 1899, Apparatus for Utilizing effects transmitted through Natural Media. Hon. Commissioner of Patents, Sir:- a' we now amend as follows: New York, January 3, 1900. In the matter of the application above named, "8. On page 6, cancel lines 4 to 7 inclusive and insert: "consists in charging a storage device with energy from an independent source, controlling the charging of said device by the action of the effects or disturbances transmitted through the natural media, and coincidently using the stored energy for operating a receiving device," Cancel claims 8 and 9 and substitute: In an apparatus for utilizing effects or disturbances transmitted through the natural media from a distant source, the combination of a circuit, an independent local source of electricity included therein, a storage device connected with the said circuit and adapted to receive energy from the said source, a device normally of very high resistance, but adapted to have its resistance reduced when acted upon by the effects or disturbances, a receiving circuit connected with the storage device, a transformer, the primary of which is included in said receiving circuit, a device adapted to open and close the receiving circuit at -1[This page retyped from microfilm for better readability - Ed.]