558 No. 723,188. NO MODEL. OD² Fig. 2 Fig.1 WITNESSES: Miller. Bey. Richard plourmen. an N. TESLA. METHOD OF SIGNALING. APPLICATION FILED JUNE 14, 1901. 0 ᎯᎠᏃ éée PATENTED MAR. 17, 1903. I se Fig.5
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Nikola Tesla Patents
Tesla was granted nearly 200 patents worldwide
Nikola Tesla U.S. Patent 723,188 - Method of Signaling Patent Wrappers
UMBER (SERIES OF 1900.) 4.522 1901 PATENT No. 723188 Nikola Tesla. ice:. New YorkNew yorkmethods of Digualting ORIGINAL of. tition. fidavit. jecification. arving bad per L Frust June 21 ecimen rst Fee
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560 Application. 1. 2. 3. 4. 9: 10. 11. 12. 13. - 14. 15. 16. 17. 20. 21. 22. 23. 1901 CONTENTS: 2-421. " papers. 178. TELEGRAPHY. Amendt fli Drc. 3.1901. Dec. 24. 19.01. Re..... Amindle B Dre. 27.12
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J 1 J E J 1 T C T J State of New York, County of New York. Nikola Tesla, the above-named petitioner, being duly sworn, deposes and says that_te_is_a_____ citizen of the United States, and resident of
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562 Lavelly To all whom it may concern:- Be it known that I, Nikola Tesla, a citizen of the United States, residing in the Borough of Manhattan, in the City, County and State of New York, have
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) fregancier a.m. diminishing as, either owing to great distance or other cause, the energy available in the synchronized circuits is small, and the refore the receivers necessarily more delicate
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564 distinctive character with respect to their effect upon a receiving apparatus, and operating thereby a distant receiver, which comprises two or more elements, severally re1 sponsive to the
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J ate and to cause the receiver to be actuated and, inas mich as the skill and practical knowledge in these novel fields can only be acquired by long experience, the degree of of safety and perfection
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566 in proximity to them. Adjustable inductances L1 and L2 are preferably included in the primary circuits chiefly for the purpose of regulating the rate of the primary oscillations. In the drawing
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FLI JUILICIULI same manner and synchronized with the systems at the sending station, so as to respond each exclusively to one of the two vibrations produced by the transmitting apparatus. The same
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568 cr closing the circuit of the source S, electrical vibrations being sent out simultaneously or in rapid succession, as may be desired, at each closure of the circuit. The two receiving circuits at
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and p2. To illustrate, the relays R¹ R² may be regulated either by adjusting the weights of the levers 11 1, or the strength of the batteries 2, or the resistances or otherwise, so that, when a
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570 system e s³ at suitable intervals and causing two dis-, tinct vibrations to be emitted in rapid succession by the sender. In Fig. 4 a similar result is produced in the system e sí iª by
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sub. 64 Wilson Cardwell. جمع do of مل action of more than one kind or class of waves, impulses or disturbances. It will be seen fran a consideration of the nature of the method here inbefore described
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572 Eub. ово circuits a local circuit, as set forth. 4. The method of signalling which consists in producing a plurality of series of waves or impulses, varying the character or order of succession of
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JLILIU J J Rom 7 In every amendoient the exact grond or words to be stricken out or fuserted in the application must be specified and the precise point indicated where the amendments must be on sheets
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574 64,522, 2. Further detailed explanation is asked. Eson of the claims is rejected upon the British petent to Vilson 30,846 of 1897, Telegraphy, Circuits and Systems, and upon the patent to Cardwell
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인 Cancelle Room 91. In the matter of the application etor Nikola Tesla, Serial No. 64,532, 1 filed June 14, 1901, Methods of for Eutifree Signalling. Hon. Commissioner of Patents, Sir: New York
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576 a' respond exclusively to vibrations of one period, is apt to be affected by higher harmonics, and still more so by lower ones. When the oscillations are of a very high frequency, the number of
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T 13 13 13 1 al action. By employing only two kinds of disturbances or series of impulses instead of one, as has heretofore been done to operate a receiver of this kind, I have found that safety
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B 578 a person possessed only of the more general knowledge and experience in these branches, I she. 11 describe the simplest plan of carrying it out, which is at present known to me. For a better
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3 1 ( T ai i inde pendent primary circuits being this formed. densers Cl and c2 are of such capacity and the inductances L1 and 12 are so adjusted that each primary is in close resonance with its
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580 Jer B a' Each of the receiving coils and s² is shinted by a local circuit containing, respectively, sensitive devices , batteries h 22, adjustable resistances rl 2² and sensitive relays R1 R2, all
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al or relay R3, which in tum establishes a contact and brings into action a device a3 by means of a battery d included in a local circuit, as shown. But evidently, if through any extraneous
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582 ai Cancelled Dr Subbsper, Jul 31 BI the levers 1¹ and 12 will close the contacts and at the same instant, and thus operate the relay R3, but will fail to produce this result when the order of
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ar ary through an induction coil I end a rotating disk D4 with insulating and conducting segments, or otherwise. Again, in Fig. 5 three distinct vibrations are caused to be emitted by a system e 5 d5
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584 ſueelled Cau F cardwell Rowland inſhyment Wilson this conjoint عمل action of F zug ३ El brations of a certain kind or class produced either simultaneously or successively by a suitable transmitter
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forth. 4. The method of signalling which consists in producing a plurality of series of electrical impulses of differcnt character, varying the time intervals between the emission of such impulses
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586 practicable plan at best, but in any event it differs essentially from the Tesla plan in that the circuits of the receiver are both alike, and whether they be tuned or not is immaterial, since if
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RULE 73. In every amendment the exact word or words to be atriaken out or inserted in the application must be specified and the preciso point indicated where the erasure or insertion is to be made
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588 Cam 13 In the matter of the application of Nikola Tesla, filed June 14, 1901, 522 Serial No. 64,662, Methods of Signalling. Hon. Commissioner of Patents, Room 91. Sir:- fer Lud sy bee 2 now amend
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4. The method of signalling which consists in producing a plurality of series of electrical impulses of different character, varying the time intervals between the enession omission of such impulses
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590 RULE 7:1. In every amendment the exact word or words to be stricken out or inserted in the application must be specified and the proviso point indicated where the crannro or insertion is to be
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but ono sido of the paper. and written o the exact word or words to be stricken out or inserted in the application must be specified and the preciso point indicated where the shoots of paper separate
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592 but one side of the paper. RULE 73. In every amendment the exact word or words to be stricken out or insorted in the application must bo specified and the precise point indicated where the erasure
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Tes la 64,522. point, substantially as set forth. 3. In a system of telegraphy, where in messages are sent by the use of a plurality of electrically generated impulses of different periodicities and
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594 C. Laruelles pertubster. Room 91. Application of Nikola Tesla, Serial No. 64,5te, filed June 14, 1901. Kethods of Signalling. Hon. Commissioner of Patents, Sir: - 64522 - 0 ✓ 24 مشار 1902 New York
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different periodicities and in a predetermined order of succession, the method of ascertaining (visually or audibly) at any particular station, the particular signal sent to that station, which
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596 There are a nudber of ways by which ary desired degree of privacy may be secured, several of which we will explain somewhat in detail. Since the number of the co-operative elements may
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fell from its normal rate render the impulses intelligible, but if the operator change at will the period of either circuit alternately, the actuation, or failure of actuation, of an intercepting
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598 of succession may be almost infinitely varied. We trust that the above explanation will satisfy the examiner. If it does not, we request that the interference be not delayed, but that this case de
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U.S. PATENT MAR 27 1902 Nikola Tesla,. OFFICE, 2-213. Care, Kerr, Fage & Cooper,.. 120 Broadway, Serial No. DEPARTMENT OF THE INTERIOR, Vonited States Patent Office, 13 Kushington, D. C., April 1, 190
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600 64, 522 -2132 Pittsburg, Fa. Count 2: The method of signalling, which consists in producing and transmitting a plurality of kinds or classes of electrical impulses or disturbances, developing by
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B two or more electrically generated impulses of different periodicity forming elements of the signal sent and transmitting such selected impulses with reference to the conjoint action of both or all
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602 0-12, Dub free Ro cm 91. Sir:- :.645-5-2 Paper D Subspee Jany 26, // 1903 Application of Nikola Tesla, filed June 14, 1901, Serial No. 64,552, Methods of Signalling. Hon. Commissioner of Patents
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sending and receiving circuits and other apparatus, and skillful adjustment of the same, these objects may be in a measure attained, but in long experience I have found that notwithstanding all
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604 도사 of transmitting and receiving stations to be operated, selectively, and exclusively, and without any danger of the signals or messages being disturbed, intercepted or interfered with in any way
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pulses or disturbances at any wave length, wave form, number or order of succession, or of any special character, such as will be capable of fulfilling the requirements above stated, and there are
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606 the ^ ably chosen periods of vibration, such periods are meant as will secure the greatest safety against interference, both mutual and extraneous. The two systems may have electrical oscillations
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47 bration and oscillate freely, each at its proper rate for a certain period of time at every discharge. The two vibrations are impressed upon the ground through the plate E and spread to a distance
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608 will be readily seen that the relay R3 will be operated only when both contacts cl and d2 are closed. D The apparatus at the sending station may be controlled in any suitable manner, as for
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1 ) 亏 turbances may be attained. The apparatus as illustrated in Figs. 1 and 2 permits, however, special results to be secured by the adjustment of the order of succession of the discharges of the
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610 6 trated in Figs. 3, 4 and 5. In Fig. 3 a transmitting system e 3 d3 is partly shunted by a rotating wheel or disk D3, which may be similar to that illustrated in Fig. 1, and which cuts out
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pub ok. the transmitting circuits or systems illustrated in Figs. 3, 4 and 5, in which case the corresponding disks, as D3 D4 D5, at the sending, will be driven in synchronism with those at the
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612 าน 7 tuned to respond exclusively there to and controlling by means of the conjoint action of sucn circuits a local circuit, as set forth. 3. The method of signalling which consists in producing a
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1 вив ерці GKC mission of the waves cr impulses forming elements of the signal sent, according as one or another receiving station is to be communicated with where (proper circuit closing mechanism
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614 8,16 sired station, which consists in the transmission of electrical waves or impulses of different periodicities in varying order of transmittal by a separate order or grouping of transmittal for
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