Nikola Tesla Patents
436 Januelled pert. 25: 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 keceiver and a device sensitive to electrical variations in the receiving circuit, substantially as described 26: In an 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. 27: In an apparatus for utilizing effects or disturbances transmitted through the natural media from a distant source, the combination of a circuit including a source of electricity, a storage device adapted to be charged thereby and a device normally of very high resistance but adapted to have its resistance reduced when 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 receiving circuit at predetermined ntervals of time, a receiver and a device, normally of very high resistance but adapted to have its resistance reduced when àcted upon by the effects or disturbances, included in the second 26