elements of the same oscillations or impulses of different periodicities and in a given order of succession, of a receiving apparatus comprising a plurality of circuits each tuned to 495respond to the transmitted impulses of one period, and a receiver dependent for operation upon the conjoint action of the receiving-circuits, as set forth.
14. In a signaling system, the combination 500of means for generating a series of electrical impulses of different periodicities, receiving circuits of differing electrical periods of vibration, and an indicating mechanism operated to give an intelligible indication only 505when currents are induced in the receiving circuits in a predetermined order, as set forth.
15. In a system for the transmission of energy, the combination of two or more circuits differing with respect of one of their electrical constants, means for energizing said 510circuits, and an indicating mechanism operative only by conjoint action of two or more currents generated by waves from the sending station, as set forth.
16. In a system for the transmission of 515electrical energy, the combination with a transmitter adapted to produce electrical waves or oscillations varying in character in a predetermined order, of a receiving instrument responsive to said oscillations and dependent520 for operation upon the action thereof in a corresponding order, as set forth.
Nikola Tesla.
- Witnesses:
- John C. Kerr,
- Richard S. Donovan.
