Nikola Tesla U.S. Patent 685,956 - Apparatus for Utilizing Effects Transmitted through Natural Media Patent Wrapper Page 27

L cancelled وال سلام Sub a² acted upon by the effects or disturbances, with a receiving circuit connected with the storage device and including the primary of a transformer and a device adapted to open and close such second circuit at prededetermined intervals of time, and a receiver included in the secondary of the transformer, substantially as described. 6. In an apparatus for utilizing effects or disturbances transmitted through the natural media from a distant source, the combination of an electrical storage. device, a charging circuit connected therewith and including a device sensitive to the action of the effects. or disturbances and determining under their control the flow of the current in the charging circuit, and a receiving circuit supplied with energy from the storage device and including a receiver and a device sensitive to electrical variations in the receiving circuit, substantially as described. 7. In apparatus for utilizing effects or disturbances transmitted through the natural media from a distant source, the combination of a condenser, a charging circuit connected therewith and including a device. sensitive to the action of the effects or disturbances and determining under their control the flow of the current in the charging circuit, and a receiving circuit supplied with energy from the condenser and including a receiver and a device sensitive to electrical variations. in the receiving circuit, substantially as described. 8. In an apparatus for utilizing effects or disturbances transmitted through the natural media from a distant source, the combination of a circuit including a -21This page retyped from microfilm for better readability - Ed. 481