404 Patented Nov. 5, 1901. N. TESLA. METHOD OF UTILIZING EFFECTS TRANSMITTED THROUGH NATURAL MEDIA. (Application filed Aug. 1, 1899. Renewed May 29, 1901.) No. 685,954. (No Model.) P P' WITNESSES
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Nikola Tesla Patents
Tesla was granted nearly 200 patents worldwide
C C ) J No. 685,954. N. TESLA. METHOD OF UTILIZING EFFECTS TRANSMITTED THROUGH NATURAL MEDIA. (Application filed Aug. 1, 1899. Renewed May 29, 1901.) (No Model.) 8 d Witnesses: Raphaël better Benjamin
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406 (Serial Number) 725 49 Patent No. Brenewal. 1917 Nikola Tesla Parts of application filed. New York Of County of New York apparaters for of State of Invention Metteds Utilizing Effects Transmittet
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Application 2 10. 11: 12. 13. 14. 15. 16. 17. 18. 19. 20. -191.) Syste Jose 1899. 21. 22. 23. CONTENTS: papers. 1. Letter 2. 3. Arendt A. 4 Letter to Office Rejection Arrend B 5. 6. 7. Regiediny -
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408 NUMBER (SERIES OF 1900.) 75 749 62.516 PARTS OF APPLICATION FILED ame Issignee.. County of.. State of Invention. Nikola Tesla. N New YorkNew York Petition.. Affidavit... Specification.. The PATENT
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C 1 Application. 2. ! 1. 8. 3. 12. 14. Fettek. Of etter of Reneural May 22.10.01. o. Ameside. For May 32.1.2.1. 11. 15. 16. [7. 18. 1. 19. 10. 12. 13. 2-431. 1901 CONTENTS: papers. 15/6211-2 534-169
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410 State of Colorado County of the above-named petitioner , being duly sworn, deposes and says that he is a citizen of the United States. sident of New York City, in the County and State of New York
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(( TO ALL WHOM IT MAY CONCERN: per 9. 200 H₂ BE IT KNOWN that I, NIKOLA TESLA, a citizen of the United States, d residing at New York Jity, in the county and State of New York, have invented a new and
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412 out Sub. a One of these ways consists in producing, by a suitale apparatus, rays or radiations, that is, disturbances, which are propagated in straight lines through space, directing them upon a
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lub. a nary obstacles do not materially interfere with the transmis-7 sion of the impulses. But the rapid diminution of the energy of the impulses as the distances become very considerable, which is
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414 Sub a Another method, which was novel with me and was developed some years ago, is free from all these disadvantages, and has proven itself, in my hands and in those of others, to In be the most
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Sob out ✓ Still another method, which was devised and described by me at a later date, is based upon my discovery that the atmospheric air, which behaves as an excellent insulator to currents
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416 ㅎ cf, the receiving device. By these means decided advantages have been secured in many instances, but very often the improvement is either not applicable at all, or, if so, the gain is very
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cable, I have devised a novel method, which I have described th 24 per a in No. e in a pending application filed June 721, 790 1899, Serial and which, broadly stated, consists in effecting, during any
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418 the storage or the application of this energy by means of a sensitive device acted upon by the effects or disturbances, and thereby cause the operation of the receiver. In the practical
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that it allows a gradual leaking through of the current and a charging of the condenser at a slow rate. In any case it will be seen that, if the disturbances, of whatever nature. they may be, cause an
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420 which may be a frictional or an inductive one, is not absolutely necessary, but it is of advantage to use it in order to facilitate adjustment, and for this puspose it may be made variable in any
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T } F such a case two devices as d may be used, one in each connection from the condenser to the receiving circuit, or else one single device of this kind but of a suitably modified construction, so
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422 mode how Sub a³ the usual way from a distant station by means of short and long signals, the apparatus may readily be made to record, or to enable an operator to read the message, since the
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careful adjustment, the advantages of my method may be more or less completely secured. I find it preferable, however, to follow the plan which I have illustrated and described. Go It will be observed
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424 8 former. The scheme of connections is, in the main, that of a Wheatstone bridge, the four branches of which are formed by the sensitive device a and resistances L, L' and L", all in a continuous
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currents are conveyed to the device. The tubular space between the plugs is partially filled with a conducting sensitive powder, as indicated, the proper amount of the same and the size of its grains
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426 er terminal T', being arranged to bear upon the shaft S, it will be seen that whenever the brush k comes in contact with a conducting segment f the circuit including the primary p will be
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force of the latter so that the dielectric layers of the sensitive device a are subjected to a similar strain and maintained in a state of delicate poise. (The various instruments being connected and
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428 0 to pass, the receiver R is operated, but only for a moment, since by the rotation of the devices a, a'and d, which may be all driven from the same shaft, the original conditions are restored
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H1 Sub Sub 0.4 alt not so P By carefully observing well-known rules of scientific design and adjustment of the instruments, the apparatus may be made extremely sensitive and capable of responding to
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430 Sub 2 by. do 4: The method hereinbefore described of utilizing effects or disturbances transmitted through the natural media, which consists in controlling, by means of such effects or
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12 11 12 or disturbances, electrical energy derived from an independent source, and utilizing the potential energy so accumulated to operate a receiving device. 10: The method hereinbefore described
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432 Janelled per D. 13: The method hereinbefore described of utilizing electrical effects or disturbances transmitted through the natural medie from a distant source, which consists in effecting by
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T [ J T T 7 7 electrical energy so accumulated to operate a receiving device. 16: The method hereinbefore described of utilizing effects or disturbances transmitted through the natural media from a
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434 Pancelled perd 19: The method hereinbofore described of utilizing effects or disturbances transmitted through the natural media from a distant source, which consists in causing, by means of such
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22: In an apparatus for utilizing effects cr disturbances transmitted through the natural media from a distant source, the combination of a circuit including a source of electricity, a storage device
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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
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ary of the transformer, substantially as described. 28: In an apparatus for utilizing effects or disturbances transmitted through the natural media from a distant source, the combination of a
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438 turbances, a transformer having a receiver in its secondary circuit and resistances all-connected in the marmer of a Wheetstone bridge, substantially as described. Nikole Tesle Witnesses: سیلیس
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Hon. Commissioner of Patents, Washington, D. C. Sir: - August 11th, 1899. We file herewith a certificate of the official character of Eugene A. Sunderlin, Notary Public, before whom the application of
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440 O.K. Room No...91. Ale neslations should be to "The Commissioner of Patents, Washington, D. C." Nickola Tesla, 2-07L. All communications respecting this application simuld give the serial number
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Tesla. 725,742.-2Line 13, page 12, should be illustrated or the reference thereto, reazed. The claims of this application are drawn to cover two separate and independent inventions namely a method
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442 a' Roon 91. In the matter of the application of Nikola Tesla, No. 725, 749, filed August 1, 1899, Methods of Utilizing Effects Transmitted through Natural Media. Hon. Commissioner of Patents, Sir
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al a distance, and thereby bringing the latter into action. This method is the oldest and best known, and has been brought particularly into prominance in recent years through the investigations of
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444 a q² alternating electrifications through one of the terminals of a suitable source of electrical disturbances, which, to heighten the effect, has its other terminal connectad to an insulated body
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(73 to "Wheatstone bridge", line 25, inclusive, and insert: This modification being illustrated in Fig. 3, in which the devices already described are indicated by similar letters to correspond with
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446 Room 91. In the matter of the application of Nikola Tesla, No. 725, 749, filed August 1, 1899, Nethods of Utilizing Effects Transmitted through Natural Media. New York, October 27th, 1899. Hon
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Rouma No.....91. Alications and be eddrand to The ummissioner of Patats, Washington, D. C." Nikola Tesla, 2-971. Care Kerr, Page & Cooper, 120 Broadway, 59 DEPARTMENT OF THE INTERIOR, New York, N.Y
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1 } 448 B Sub. l 2 Room 91. In the matter of the application of Nikola Tesla, No. 725,749, filed August 1, 1899, Methods of Utilizing Effects Transmitted through Natural Media. Hon. Commissioner of
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bom No. 91. Al comunications should be addreased to "The Commissioner of Patents, Washington, D. C." Nikola Tesla, Care Kerr, Page & Cooper, 120 Broadway, 3-0:1. یمیایی بن 481 DEPARTMENT OF THE
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450 l' 11 4 e 2 paggamot Sub D' Room 91. In the matter of the application. of Nikola Tesla, No. 725,749, filed August 1, 1899, Methods of Utilizing Effects Transmitted through Natural Media. Hon
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e electrical energy from an independent source, controlling the charging of said device by the action of the effects or disturbances, and coincidently using the stored electri cal energy, for
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452 To the Commissioner of Patents:- Your petitioner, Nikola Tesla, a citizen of the United States and a resident of the Borough of Manhattan, in the City, County and State of New York, whose post
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T J Room 91. In the matter of the application of Nikola Tesla, Serial No. 725,749, filed August 1, 1399, Methods of Utilizing Effects Transmitted through the Natural Media, Renewed Application. Hon
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454 fected thereby unequivocally cover a feature of the invention which such claims in their original form could be relied on to cover only by invoking the doctrine of equivalents. In other words, the
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