514 No. 787,412. N. TESLA. ART OF TRANSMITTING ELECTRICAL ENERGY THROUGH THE NATURAL MEDIUMS. APPLICATION FILED MAY 16, 1900. RENEWED JUNE 17. 1902. Witnesses: Raphaël better M. Lawson Dyer. Fig.1
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Nikola Tesla Patents
Tesla was granted nearly 200 patents worldwide
FORFETED Div. # 26 112034 (Serial Number.) 1900 (Ex'r's Book.) 16 16577 75 DIV. 16. Renewas Patent No.. 787412 Nikola TeslaNew York, of County of. State of New York Electrical Energy through the
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516 NUMBER (SERIES OF 1900. --112034 84545 Name.. APP NOT PARTS OF APPLICATION FILED County of State of Invention: M T Nikola Tesla New you New You urgy through the Naturals mede Petition May 16, 1900
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Application: „Letter f Rep 10. 19. 20. 21. 1902 CONTENTS: 22. 23. papers I. Bunnal... l l.: Juime: 1. 719.9.2 Aug 2918072 e Andra Bug.2.7-1903. Letters Rept 2.4. 19.9.3. Amendt B. Sept. 21-1.904
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518 State of New York, County of he New York.. Nikola Tesla. the above-named petitioner, being duly sworn, deposes and says that he is a citizen of the United States, and resident of the Borough of
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J вателеб дека To all whom it may concern:- De it known that I, Nikola Tesla, a citizen of the United States, residing at the Borough of Manhattan, in the City, County and State of New York, have
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520 though it may be locally disturbed by a commotion of some kind, remains unresponsive and impassive in a large part or as a whole. whole. Still another fact, now of common knowledge, is that when
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1 T 1 T not conclusive 5 failed failed to respond, when they should have done so, and, upon inquiring into the causes of this unexpected behavior I discovered it to be due to the presence of which
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1 522 nature, such as lightning discharges, and which seemed at first unrealizable by any human agencies. But by gradual and continuous improvements in the design and construction of a generator of
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1 [ ) 1 { 1 time of an observatory, or for ascertaining the relative position of a body or distance of the same with referenco to a given point, or for determining the course of a moving object, such
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524 1 ternating dynamo of suitable construction may be used to energize the primary A. C. is a spirally wound secondary coil within the primary, having the end nearer to the latter connected to the
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will take place in the same. In order to magnify the electrical movement in the secondary as much as possible, its inductive connection with the primary A should not be a very intimate one, as in
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E 526 Patent 685,953 955 18 nov. 5/01 groun The presround plate E' may be considered to be the pole. ence of these waves may be detected in many ways. For instance, a circuit may be connected directly
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C T Fisis 19 f are capable of angular displacement as ordinary brush supports The object of using two brushes, as b and b', in each of the holders h and h', is to vary at will the duration of the
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528 Bictral - 2 one in the ground and the other in the air, preferably at some height, as hereinbefore stated. If but one plate is connected to Earth and the other maintained at an elevation, the
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* 5 It will higher potential. The speed of rotation of the cylinder d being adjustable at will, the energy of any number of separate impulses may thus be accumulated in potential form and discharged
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530 varying the period of the oscillations impressed upon the Earth or, otherwise stated, by varying the length of the waves. In this manner the regions of maximun and minimum effect of the latter may
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C ) ( ) ) } 3 ( 1 effecting the same result. Moreover it will be understood that the specific plan herein described of producing the stationary waves may be departed from. For example, the circuit
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532 2 (by charge of N) uti lizing electrical energy, which consists in establishing in the natural conducting media, stationary electrical waves, and varying the length of such waves, as herein set
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T ( ) J 1 1 ] 91. Room No......... Al communications should be eldreard w "The Commissioner of Patents, Washington, D. C." Nikola Tesla, -260. Care, Kerr, Page & Cooper; 120 Broadway 2. Paper No.. All
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534 112, 034.--2. it is not seen how these vibration can be reflected in such manner as to produce the phase relation necessary to stationary waves. Applicant is required to give some reasonable
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1 E 3 Room 91. Division 16. lows: Application of Nikola Tesla, Serial No. 112,034, Renewed June 17th, 1902, For Art of Transmitting Electrical Energy Through the Natural Media. Hon. Commissioner of
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536 Sub Spec. To all whom it may concern: Be it known that I, Nikola Tesla, a citizen of the United States, residing at the Borough of Manhattan, in the City, County and State of New York, have
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Per 2 73 when electrical waves or oscillations are impressed upon such a conducting path as a metallic wire, reflection takes place, under certain conditions, from the ends of the wire and, in
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538 Pu B results and certain theoretical deductions led me to the conclusion, that waves of this kind may be propagated in all directions over the globe, and that they may be of still more widely
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JJJJJJJJJ) 3 and the means at command for accomplishing these results, I am enabled not only to carry out many operations by the use of mcm instruments, but also to offer a solution for many important
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540 Per B " 4 Rin Fig. 1 A designates a primary coil forming part of a transformer and consisting generally of a few turns of a stout cable of inappreciable resistance, the ends of which are connected
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J 4 conductor from the ground plate E to the elevated terinal E should be equal to one quarter of the wave-length of the electrical disturbance in the system EC E, or else equal to that length
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542 ? electrical oscillations in the system E' C E, being communicated to the ground, cause corresponding vibrations to be propagated to distant parts of the globe, whence they are reflected and, by
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J T 1 J [ J T 1 1 Per 72 5 ? case there will be but one node, at or near the groundplate and, paradoxical as it may seem, the effect will increase with the distance and will be greatest in a region
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544 nected, respectively, to the terminal plates P and P¹. From the rings F, F¹, extend narrow metallic segments s and s which, by the rotation of the cylinder D are brought alternately into contact
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J 1 T T T T sion, and remain open or closed during such intervals of time, as may be desired. The plates P and P', through which the electrical energy is conveyed to the brushes a and a', may be at a
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546 minals of the condenser and with each fresh impulse it will be charged to a higher potential. The speed of rotation of the cylinder d being adjustable at will, the energy of any number of separate
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J T 1 E 1 1 1 1 or stations. By impressing upon the Earth two or more oscillations of different wavelength a resultant "stationary" wave may be made to travel slowly over the globe, and thus a great
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548 respect I do not wish to limit myself. Thus the specific plan herein described of producing the stationary waves might be departed from. For example, the circuit which impresses the powerful
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C T 1 1 1 T 1 5. The improvement in the art of transmitting and utilizing electrical energy, which consists in establishing in the natural conducting media, stationary electrical waves, and verying
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550 O.K. O.K. ok. The apparatus described in applicant's patents mentioned on page 2 of the official letter may or may not produce stationary waves. The conditions necessary for the production of such
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3 Room No. 109 27.unication should be a fireased in The Commissioner of Patents, Washington, D. c." MG Nikola Tesla, 2-250. DEPARTMENT OF THE INTERIOR. UNITED STATES PATENT OFFICE, WASHINGTON. D. C
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552 #112,034 equal to the time required for a wave to travel around the semicircumference. To make up for this discrepancy applicant has set the value of v to be 4.7124 x 10¹0, instead of the value 3
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C 12 Natural Media. Room 109 Div. 16. Application of Nikola Tesla, Serial No. 112,034, Filed May 16, 1900, Renewed June 17, 1902, Art of Transmitting Electrical Energy Through Hon. Commissioner of
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554 assumed, at first, when he made the discovery of the marvelous phenomena described in this official record, which will better understood by perusing his account in the "Electrical World and
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( ) } :) ) the official request. Referring to the last paragraph of the official letter, we would point out that the specification does not deal with theories, but with facts which applicant has
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556 County of New York, ) : State of New York. ) Nikola Tesla, being duly sworn, deposes and says: I am the same Nikola Tesla whose application for Letters Patent on Art of Transmitting Electrical
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) T J ANDA RECEIVED Ch & CHIEF CLEF 26. Serial No 12,34 Letter of Renewal To the Commissioner of Patents: Your petitioner, Nikola Tesla, a citizen of the United States, residing at New York, County
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