US752533A - Wireless signaling - Google Patents

Description

PATENTED FEB. 16, 1904.

D. DRAWBAUGH. WIRELESS SIGNALING. APPLI OA TION FILED MAR. 1, 1902. RBNEWBD JULY 15, 1903.

3 SHEETS-SHEET 1.

NO MODEL.

No.752,533-. "PATENTED FEB. 16, 1904.

D; DRAWBAUGIL .WIRELESS SIGNALING.

APPLICATION FILED MAR. 1, 1902. RENEWED JULY 15, 1903.

110 MODEL. 3 SHEETSSHBET 2.

PATEN'IED FEB 16;;1904 D. DR 'VBAUGH. WIRELESS SIGNALING.

'- APPLIOATION FILED M5 P1. 1, 1902. RENEWED JULY 15, 1903.

' v 3 SHEETS-11351 3.

N0 MODEL.

' To all whom it Wtcty concern;

4, l This ist'he complete transmitter. The re Unirnn y PatentedTebruarY 16, 1904.

WIRELESS SIGNALING-V" SPECIFICATION forming part of Letters Patent No. 752,533, dated February 16, 1904. I Application filed March l, i902. Renewed ni 'ls, 190s. seen in; 165,660. mammal.)

Be it known that L'DANiEL DnAwBAUGn, a' cltizenwof the United States, residingat Eberlys Mills, in the county of Cumberland and' State of Pennsylvania, haveinvented certain new and useful Improvements in v ireless Signaling, of which the following is'a specifi-- cation. 7

The invention is an apparatus for transmit-- ting intelligence through'the natural media.

The method disclosed formstlie subject-mat- 4 ter of my cope'nding application, Serial No. 165,663.

To attain these ends the invention consists of a system of wireless telephony and telegraphy embodying novel features of construction and combination of parts substantially as disclosed herein.

In the accompanying drawings, Figure 1 is a diagrammatical View of mytelegraphy systems Fig. 2 isa similar view of mytelephony system. Fig. 3 is a similar View of .a telegraphy system employing a, series of stations.

Fig. 4 is a side elevation. of a magneto-gen.

erator and inducer employed in connection with my system. Fig, 5. is a toppla'n'view thereof with the upper portion of the'magnets removed or broken away, the electricalconnections being shown in diagram. Fig. 6 is a section taken on line :0 .2? of Fig. 5.

Referring by numerals to the drawings, the numerall designates the ground-plates ot' the transmitter, wlii'cha re placed in the ground deep enough to always be surrounded by some moisture and preferably forty; lift-y, or sixty feet apart. In the telegraphy system I. connect the wire 2 'tofa transmitting-key a wire 4 connecting the key; to the magneto-generator and inducer 5, which is also connected to the other ground by means of the wire 6.

5 ceiver consists of theground-plates 7 and 8, .NSlhlCh are sunken in the earth about the same 5 eond iit'tor wire 9", "a

f di stanee as the plates of the transmitter; but,

strange to say, to make theapparatus operative} that signals may be transmitted the plate flapparcntly must be either in advance a in'e of theplate 7, preferably the plate 7 .1 connect a feh connected to a reor behind the l about Uf ILTOOL lay '10, a wire 11 connecting the r'elayto the plate 8. Operated by the relay is the receiving instrument circuit 12. This is .the complete receiver. I j 7 In order that signals may be transmitted, the magneto-generator is constantly revolved by means of the motor 13. thus impressing on the- wires 2 and 6, the plates 1, 7, and 8, and thewires 9- and 11 acurrent which when broken by the key 3 causes the relay to open and close the receiving-instrument circuit, and thus'cause signals to be obtained in the receiving instrument. n I

' The magneto-generator and inducer I will that 1 may pass on and describe the systems. In .Fig." 3 it 'will be observed that I employ a single station in Which the magneto-generator is connected, the other stations 1*, 15, and 16 having their transmittingcurrent furnished by the magneto gen'erator in the station marked T, saidmagneto-generator being constantly revolved to furnish a means whereby the Morse code may be transmitted. i

' I will now pass to the'description of Fig. '2, wherein is shown my system of telephony. In

is ready for use connect the magneto-genera .tor 21 with the plates Adapted to be connected with the ground-plates at the prrmer time are the wires22. whichare the conductors for the telephone.-transmi-tter 23, which includes; batteries and accessory ap mratus. The plates and-both stations are installed substantially the same distances and in the same relation to one another asin the telegraphv sysreceiver are employed; "l'heretorein the receiving-station l'haye the ground-plates 24: and thetelephone-receiver 25. connected therethe system of telephony, the-transmitteris cut out from the ground-plates.and the nwg'netogenerator is, placed in' connection with the grou'liil plates. "The iiiagneto-generator is hnmvs-t-tin operation for ashort space of time. 3 say twoor three minutes. \i'henit is cut from connection with the ground-plates and the teleides'cribe more in detail hereinafter in order a tem, except that thetelephone transmit tor and this I employ the ground-platesl8 and the, wireSr19, each of-which'has' connected thprcto the swltches 20, which before the telephone to by i-ts conductor-wires 26. When using phone-transmitter is placed in connection with phone can he used and has been used every day for three weeks without again necessitatingthe employment .ofthe magneto-gem erator and inducer. It is also possible, and

I have the apparatus in operative condition,

for the tclephonertrainsmitter and telegraphtransmitter to be connected directly at the same end of the line, at which time the key may l e closed-as when receiving a message.

In igs. 4t, 5, and 6 I have illustrated in detail and on an enlarged scale mymagnetogenerator, which I claim makes my system of telephony and telegraphy possible and which I have found can also e employed with any of the various systems of wireless telegraphy now in use, in which case the spark-coil and its circuitare dispensed with.

lBy experimenting I find that in telegraphi g it was possible to get results with a Hertz scillator, the primary circuit of which had a rapidly-operatingmake and break; but muchbetter and comparatively entirely satisfactory results were attained by employing my special form of magneto. I also found that with the wires thirty feet in the air and the other terminal in the ground at'bot-h stations-I obtained results far superior to those obtained with the spark-coils now used and, furthermore, that all'the batteries were dispensed with. This particular subject-matter has been canceled frorri this specification and is the subject-mattier of two applications, Serial'Nos. 113,888 and 113,889, filed July 1, 1902. l The magneto-generator is constructed as fol lows: Upon the base 29 is mounted the two similar supporting-plates 30, which are provided with the inner concavcd or curved walls 31. Supported by theseplates, between the ends thereof, are the two circular disks 32, provided with the alined bearings 33 and the vertotheshaft.

tical arnis 34. Mounted revolubly in the bearings of the disks is the shaft '35, carrying the oppositclyarranged arms 36, around which are wound the coils 36', which are connected Carried by the arms outside of the "coils are the two long outwardly-curved plates 37, which are adapted to revolve with the shaft 35, the inner walls of the supporting-plates through "the medium of the shaft .38 carrying the large gear 39, which meshes with the smaller gear 40 of the shaft 35. To

revolve the shaft 38, any motive power may be employed, but more especially a hi'gh-speed ends contacted upon the outer faces of the supporting-plates are the two pairs of horseshoe-magnets 41 which are held in the proper place by means of the tie-rod d2. Secured upon the base is a rigid spring-oontzu-t plate 4.3, to which isconncctcd a contluc'tor-wire l3, passing through the base and being connected to the bindiiig-poststa, havingthcflatcontaetplate 45 on the upper face of thcbasel This contact-plate hasits free end 43" in contact continuously with the inner end of the shaft Mounted upon the base is also the plate 46, to which pivotally connected the vertical switch =17, which is adapted to engage the outer face of one of the permanent magnets.

post 52 and the vertical post or standard 53.

A flat spring 5* is adjustably held by the post 53 and is adapted to beattractcd by the armature as it revolves to short-circuit the armature and to break the circuit after the armature has reached its highest. point of potential. In the operation of this machine ithas hem found that as each one of the plates 37 passes below the spring-plate until its central point is reached the spring-plate is not ali'ected, yrt just a short distance beyond that point or when the curved plate is leaving the support,- ing-plate the free end of the spring-plate is caused to dip and contact tlic surface of the |V curved plate, thus short-cir ultmg the armm ture and causing a current 0 be transmitted to the earth plates when he short circuit breaks twice every full revolution.

In the operation of a' telegraph system my generator is constantly revolved. The faster it revolves the higher the potential; and consequently the greater current for transmission of. signals. By pressing upon the key in the transmitter and operating it in the same way as in the wire telegraphs dots and dashes are readily transmitted and can 'be detected either in a microphone or a sounder very accurately and as speedily as with the present forms of tolegraph. In my experiments I have telegraphed and received intelligent messages from distances from sixty-feet to ten miles, this being done at my home and before different parties. I would also say that I have used the receiver upon a small boat in a stream, the plates belng suspended in the water at approximately the distance apart as on land, and until the position of the plates were changed signals were received either by a sounder or microphone. This system may be also appliedto railwaycars, where'the ground connections -may be made ,upon opposite rails by making a connection with the axlesand wheels and by a small wheel carried upon the endof .a long pole, which may run upon oneof the two tracks or a third to one side, but must be extended beyond the rear of the car, where the relative IIO positions may bekept. I In thissysteinI could I that the resistance thereof is reduced to'allow the transmission of low-tension currents therethrough, this beingthe broad principle of my invention. Y i v What I claim asnew, and desire to secure? by Letters Patent, is I 1. In a system'for the transniissionof intel iigence through the natural media, means for impressing on the media currents of high po tential, in combination with-means for impressing on the media currents modified in accordance with the signal to be transmitted.

2. In asystem for the transmission of intelligence through the natural media, means for impressing on the media, intermittent currentsj of high potential, in combination with means for impressing ontlie media currents modified in accordance with the'signal to lie-transmitted. 1

3'; In a system for the transmission of intelligence. through the natural media, means for impressing on the media alternating currents of high potential in combination-with ,means for impressing on the media currents'modified in accordance with the signal to be transmitted.

' 4. In a system for the transmission ofspeech through the natural media, means for impress-- ing on the media currents of high potential, in combination with means for impressing on said media currents modified by and in accordance with sound-waves. v

5. In a system for the transmission of speech through the natural: media, means for impressing on the mediaintermittent currents of high potential, in combinationwith means for im pressing on said media currents modified by and in accordance with sound-waves. 6. In a system for the transmission of speech through the natural media, means for impressing on the media alternating currents ofhigh potential, in'combination with means for 1mpressing on said media currents modified by and in accordance with sound-waves. v 7 In a system for the transmission of intelligence through the natural media, means ior impressing on the media currents of high potential,in combination with means for impressing on the media currents modified in accordance with the signal to be transmitted, an means for translating said modified currents into audible or visual signalsf I 8. In a system for the transmission or intelligence through the natural media, means tor impressing on the media, intermittent currents of high potential, in 00 bination with means for impressing on the media currents modified in accordance with the signal to be transmitted, and means for translating said I impressing on plates in said media,

'tial, and means for impressing on modified currents into audible. i61 Visual sig- 9, In a systemfor the transniissioii'of intell e: thro h heinata al m t i tmgi i f impressing on the niediaalternating currents of high potential, in combination with means an. impressingjonthe'media CliilQIitSlliOClillQd in accordance w th the signal to be transmit.- ted ,.and-meanstor translating said modified currents into audible or visual signals.

j 1 0. In-asystem forthe transmission of Bspeech through the natural media, means for impressing on the media currents of high potential, in combination with means for impressing on sa d media currents modified by.

and in accordance with sound '\'v'aves, and

.means for translating .saidmodified currents into speech,-

11. In asystem; for the transmissionot' speech through the natural media, means for impressing on the media intermittent currents rents into speech.

'- of high potential,-,in combination. with means -.for impressing on said'med'ia currents modirfied by and inaccordance with SOIIIIdfVfiVQS, sand-means for translatingsaid modified cur- 12. In a system for-the transmission of'- speech through the natural media, means for impressing on the media alternating currents of highpotential, in combination with means I for impressing onsaid media currents niodified by and in accordance with sound-waves, and means for translating-said modified currents into speech.

13. Ina system for the transmission of intel;

ligence, through thenatural media, means for impressing on the media, currents ofthigh poten'tial, in combination ,with means for impressing on the media currents modified in ac ,cordance with the signal to be transmitted,-

and means for receiving the same. 14. In asystem for the transmission of intelligence through the natural media, means for the media, currents of high potential, in combination with'meansfor impressing on the media currents modified in-acthe signal to be transmitted,

and a telephone: receiver for receiving said modified currents, v

15. In a system for the transmission of speech through the natural media, means for impressing on the media currents of high potential, in combinationwith means for impressing on said media currents modified by cordance with and in accordance with sound-waves, and a telephone-receiver f r translating said modified currents into speech. I t v 16. In a system for the transmission of intelligence through the natural media, two metal means for impressing on currents of high potensaid plates currents modified in accordance-with the sig-, nal to be transmitted.

said plates electrical 17. In a system for the tra smissioi hf i ntelplates in said media, means for impressing on said plates intermittent currents of high potential, and means. for impressing on said plates currents modified in accordance with the signal to be transmitted. 4 18. A In asystem for the transmission of intelligence through the natural media, two metal plates in said media, means for impressing on said plates alternating currents of high potential, and means for impressing on said plates currents modified in accordance with the signal to be transmitted.

19.' In asystem for the transmission of intelligence through the natural media, two metal plates in said media, means for impressing on said plates electricai currents'of high potential, means for impressing on said plates currents modified in accordance with the signal to be transmitted, and two metal plates in the media at the receiving-station and a receiver connected therewith.

20. In a system for the transmission of intelligence through the natural media, two metal plates in said media, means for impressing on said plates intermittent currents of high potential, means for impressing on said plates currents modified in accordance with the, signal to be transmitted, two metal plates in the media at the receiving-station, and a receiver connected to the two metal plates.

21. In a system for the transmission of intelligence through the natural media, two metal plates in said media, means for impressing on said plates currents of high potential, a source of current and means for modifying said latter current by and in accordance with the signal to be transmitted and for impressing said modified currents on said plates.

22. In asystem for the transmission of intelligence through the natural media, two metal plates in said media, means for impressing on said plates alternating currents of high potential, means for impressing on said plates .currents modified in accordance with the signa to be transmitted, two metal plates in the, media at the receiving-station, and areceiver connected thereto.

23. In a system tor the transmission of speech through the natural media, two metal plates in said media, means for impressing on said plates currents of high potential, a source of current and means for modifying said latter current by and in accordance with soundwaves and for impressing said modified currents on said plates.

24. In 7 a system speech through the '0. plates in said med .ieans for impressing on said plates intermittent currents of high potential, a source of current and means for modifying said latter current by and in accordance with soundovares, and for impressing said modified currents on said plates.

25. In a system for the transmission of for the transmission of I zrai media, two metal the media at the receiving-station and a receiver connected thereto.

27. In 'a system for the transmission of speech through thenatural media, two metal plates in said media, means for impressing on said'plates intermittentcurrents of high potential, a source of current and means for modifying said latter current by and in accordance with sound-waves and for i npres'si g said modified currents on said'iplates, andtwof metal plates in the media at the receiving-station .and a receiver connected thereto. p

28. .In a system for the transmission of speech through the natural media, two metal said metal plates alternating currents ofhigh potential, 2. source of current and meansior modifying said latter current by and in accordance with sound-waves, and 't'orimiwress- .ing said modified currents on said-plates, and two metal plates in the media atthe receiving-station and a receiver connected thereto.

29. In a system for the transmission of intelligence through the natural media, two metal plates in said receirer, means-for impressing on said plates electric currents of high currents modified in accordance with'the signal to be transmitted, and two metal plates at the 1 receiving station and a receiver connected thereto, the line joining said plates forming an anglewith' the 'line joining said first-m entioncd plates.

30. In a system'i'or the transmission of intelligence through the natural media, two metal plates in'saiu media, means liorinipressing on said plates intermittent currents ofhigh potential, means for impressing on said plates currents modified in accordance with ,the sig nal to be transmitted, and two mctal'plates at the receiving-station and a receivcnconnected thereto, the line joining sald platcs 'forming tinned plates. I

l 31. In ,asystem tor the trans 'ms' j;

l telligence through the natural. inc 1a,

metal plal'esin sam media, means for impress ing on said plates alternating currents of high potential, means forimpressmg on said plates currents modified ,in accordance with the sun rents on said plates, and two metal plates inplates in said media, means for impressing on potential, means for impressing on said platesan angle with the line joining i'itllflllISlwIflEll" .QIS

. nal to be transmitted, and'two marinas; at the IESOlVlflg-StflltlOHfilfld-fl IGQQlYQI' connected speechthrough the natural medjia,'two metal plates 1n-sa1d media, means for impressingod thereto, the line, joining said. -,plates ffirming an angle with the-lin j ini g Sa d first-mew, -tioned plates. 4 I

32. In a system for-lithetransmission [of said plates currentsof high potential, :1 source I rent on said lplates andtwo inet'al plates at the receiving station and a receiver connected thereto, the line oiningsaid plates forming;

of current and means for modifying said latv ter current, by and in accordance with soundwaves, and for nnpressing saidmodifiedcuran angle with the line joining said 'firstmen plates in said media, means for-impressing any r tioned plates.

33.111 a'system for the transmission of;

speech through thenaturalmedia, two metal." plates in said media, means for impressing on said plates'mtermittent currents of high potential, a source :QfrlClll'IIlij; and rfncans for modifying 'saidlatter. current by and in ac cordance'withsound-waves, and for impress} in'g said modified-current on said plates, and two'metal platesatthe receiving station and a receiver connectedtheretoathe' line joining said plates forming. an angle'with the. line joining said first-mentioned plates;

'34. In a system for'the transmission of speech through the natural media, two metal said plates alternating currents offhigh tential, a source of current and means modifying said latter current by and in ac-. 'cordance with sound-waves, andl for impress ing said modified current ,on said plates, and

. ne'cting therefrom the other current-impresstwo metal plates at. the receiving 'statipn and 1 a receiver connected thereto, the line oin ngsaid plates formingan angle with the line joining said first-mentioned plates,

3-5. In asystem for the said plates nect ing to the plates pressing, means and 'at the same-timedrscona in'g means.

36. In a system for the transmission of in telligence through the natural media, the combination of two metal plates in said media, means for impressing modified in accordance with the signal tobe sent, and a switch 'for connectingjto' the plates one of the current-impressing means and at the same time disconnecting therefrom the other current-impressing means. I

37. In a system. for the transmission-of speech through the natural media, the comb nationof; two metal'pla'tesin saidmeuia, means transmission of'in telligjence through the natural media, thecombination of two-metalplates in said media, 7 means for impressing on said D atQscur'rents of highpotential, means for impressing onl currents nodified' in accordance with the signal to be sent, and means'foracom" vone of the current-inn v on said. plates current-s,

renton said media. n 7

forthe transmission of inmod fying said current hyjf'and in accordance wlthlsound -waves and ier, impressing, said modifiedcurrents onsaidjplates', and means a for connect ng to the plates oneof 'thefcufl {rent impressing means and 1 simultaneously disconnecting therefrom the other currenti'mpressing means. A

38.111, a system for the transmission of 39; In a syste m fol-the animation of intelhgence through thenatural media, the com-.

bination of a magnetogcner'atorfor impressing on said media currents of highpotential, a source ofcurrent, and means for modifying said current in accordance with thesi-gnal to besent' and for impressing saidmodificd cur- 40. Inca system telligcnce through the natural medimthe coin- 'bination; of a magneto-generator for ilu pressing-on sa'id media currents of'high potential. asource' of current,"1 neans for modifying said for said of 65 hl'gh-potentlal, a source of current,';meaus for current in accordance with the signal to he sent and for impressing said. modified Clllltllt on'sa1d-mcd1a, and means, vfQl-flalternate1y com necting said generator-and said last-mentioned means .tosaid media, v I

41. 11: a system forthe'transmission of intelligence through the-naturalmedia, the combination of a magneto-generator .for impressing on 'saidfmedia currentslof high potential,

,a source oftcurrent, :a telephonc-transmitter tor modifyingsaid current inzaccoudanccwith modified "currents on saidme'dia, and .means 42. In a system forzthe- ,transmissionof-im' telligencethrough thenat'ural media, the 'combination of means vfor polarizing the median andmeans for impressing on themediacur rents. modified in accordance ,witlrthe signal .to'besent,

43'. In ysteinfor the transmissionpf intelligencethroughthe natural media.

modified in accordance with 4 the si gnaPm he sent, and a receiver at a.r.lis'tantstation For receiving the same. it. In a system speech throughthenatural media, thcjcombifor the transmission of thesignalito be sent'and for impressing said' jfor alternatelyi connecting,. said generator and 'fsaidtrans'mitter to said media the com bination of means for polarizing the media. *mea'ns forimpressing on the mcdn't currents nation of means for polarizing the media, ahd

bination of a magneto-generator, means for connecting said generator to the media, and means for short-=circ'uiting'said generator at the point of maximum potential of thecurhigh potential may be impressed on the media.

rent generated thereby, so that'currents of In a system for the transmission of intelhgence through the natural media, the'eombination of a magneto-generator, means for connectmg said generator to the media, and a spring-plate of magnetic material for short-- circuiting said generator at the point of maximum potential of the current generated thereby, so that currents of high potential may be impressed on the media.

48. In a system for the transmission of intelligence through the natural media, means for polarizing the media between the transmitting and receiving station, said means comprising a magneto-generator having means'for short-circuiting' the current generated thereby at the point of maximum potential of said' with the ground.

current.

49. In a system for the transmission of intelligence through the natural media, means for polarizing the media between the trans-- mitting and receiving station, said 'means comprising a magneto-generator having a spring-.

plate of magnetic material for short-circuiting the current generated thereby at the point of'maximum potential of said current.

50. In a system for the transmission of speech through the earth, the combination of two metal plates in the. earth a magneto-generator for impressing on said plates currents of high potential, means for short-circuiting said generator at thepoint of maximum potential, a transmitter for impressing on the plates currents modified by and in accordance with sound-waves, a switch for alternately connecting said generator and said transmitter to the plates, and I v station so positioned in the earth that the line joining them forms joining the two first-mentioned plates, and a telephone-receiver connected to saidplates.

51. In a system, for '-speech throughthe natural media, the combination of means for polarizinggthe media be tween the transmitting andreceiving stations and means for impressing thereon current two plates at the distant a small angle with the line the transmission of modified by and in accordance with soundwaves. v

52: In a system forthe transmission of speech through the earth, the combination of means for polarizing the earth between the transmitting and receiving stations, and means for impressing thereon currents modified by and in'accordance with sound-waves.

53. In an apparatus Iof the characterdescribed, the combination of means for preparing the earth so-that undulatory waves'can be generating said undulatory waves. a v

54:. In an' apparatus of the character described, the combination of means for preparing the natural media, ,i so that undulatory waves can be transmitted through the natural tory waves. a

55. In a system of telephony, the combinationof two ground connections and atransmitting instrument connected therewith, a receiver having two ground connections, and means toimpress on the ground at the transmitter currents of, high potential, and means for impressing on said plateslcurrents. modified by and in accordance with sound-waves.

56. In a system of wireless telephony, a transmitter 'and a receiver, each having two ground connections, a' magneto-generator connected to the transmitters ground connections connections, andmeans'to cut the magnetogenerator irom connection wlth the ground .connections when the transmitter 1s connected '57. In a system of wireless telephony having two ground connections at the transmitting and receiving stations,a magneto-generator connected to the ground connections of the transmitting-station to impress ahighrpotential current uponflsaid connections, a transmitter, and means-to disconnect the generator from the ground connections when the transmitter is connected to the ground connections.

58. In a transmitter, the combinationof two ground connections, means to make a' signal and means to establish an electrical circuit, said means comprising apair of supportingplates, a field-magnet surrounding the same, a revolving armature mounted between the said supportingplates, a spring-plate suspended above the supporting-plates and armature, and electrical connections between the armature and one connection of the transmitter and'between the spring-plate, magnet and the other connection of the transmitter,

'59; In a signaling system, the combination of a transmitter whiQllpgmprises two connections with the natur l media, means to produce a signal, and. means to impress a tial currentv upon means. comprisinga magneto-machine, whose l armature is adaptedtobe revolved, and means media and means for generating said undula- I to impress a high-potential current on said high-potenthe natural media, 321d:

transmitted through the earth'and means for E mri' eireuit the armature for automatically "hm king the circuit when the current-is at its nmximum.

60. In transmitter apparatus for transmitting intelligence through natural medium or media, means foi' impressing high-potential :t -i impulses thereupon, and means for quitting an undulatory variation in correspomieuee with speech, fer-substantially the purposes set forth. v

In testunony whereoflafix my slgnature 1n presence of two -w1tnesses.-

DANIEL DRAWBAUGH.

Witnesses:

SAMUEL DrHom z, FRANKLIN S; HERTZLER.

Images