US752534A - Method of transmitting intelligence through the natural mediums - Google Patents

Method of transmitting intelligence through the natural mediums Download PDF

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US752534A
US752534A US752534DA US752534A US 752534 A US752534 A US 752534A US 752534D A US752534D A US 752534DA US 752534 A US752534 A US 752534A
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earth
media
impressing
transmitting
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

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  • My invention relates to the art of transmitting intelligence, including the transmission of speech, through the natural media, and dcpends on my discovery of the practicability of impressing thereon high-potential currents of electricity, to thereby diminish its resistance to lower potential signaling-currents.
  • this object in view it comprises a new and improved method for terragraphic and terraphonic transmission, having as its essential feature the reduction of the resistance of the earth or other natural media between the transmitting and receiving station by electrical means, and preferably by impressing on the media at the transmitting-station currents of high potential.
  • These high-potential currents may be conveniently produced by a magneto-generator of peculiar construction, for which I have filed application for Letters Pat-- ent, Serial No.96,589, now Patent No. 733,948. dated July 21,1903; but I do not limit myself to thesenieans, as any source of intermittent or periodically varying high-potential currents may be used.
  • Figure 1 illustrates my method as applied to telephonic ,transmission through the earth.
  • Fig. 2 illustrates my method as applied to telegraphic transmission through the earth.
  • 32 is a local circuit containing a key 1 and a battery 2 in Fig. 2 and a telephone-transmitter 23 in Fig. 1.
  • 18 18 and 24 24 are metal plates sunk in the earth.
  • 521 is a magneto such as described in the above-setforth applications or any other source of high-potential, alternating, or inter-.
  • 23 is a telephone-transmitter which includes the batteries and accessory apparatus and which can be connected to plates by switch 20.
  • Fig. 1 is a telephone-receiver connected to the plates 24 24, as shown in Fig. 1.
  • the plates 24 24 should be so placed that one is slightly in advance of the other in order to obtain the best results.
  • the plates 18 are first connected by switch 20 to the source of high potential 21 for several minutes and then they are connected to the key or transmitter circuit. The signal then sent by the key or transmitter is received in the relay 12 or the telephone-receiver 25.
  • I claim 1 The method of transmitting intelligence through the natural media, which consists in first impressing on the media currents of high potential, and then impressing on the media currents modified in accordance with the sig-' nal to be transmitted.
  • the method of transmitting intelligence through the natural media which consists in first impressing on the media currents of high potential, then impressing on the media currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a distant station.
  • the method of transmitting intelligence through the natural media which consists in first impressing on the media at two points currents of high potential, then impressing on the media at said two points currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a' distant station in a suitable receiver-connected to the media at two points.
  • Themethod of transmitting intelligence through the earth which consists in first impressing on the earth currents of hlgh potential, then impressing on the earth currents modified in accordance with the signal to be transmitted, and receiving the modified currents at a distant station.
  • the method of transmitting intelligence through the earth which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth at said two points currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a distant station.
  • the method of transmitting intelligence through the earth which consists in first impressing on the earth currents of high potential, then impressing on the earth currents modified in accordance with the signal to be transmitted, and receiving said modified currents in a suitable receiver connected to the earth at two points at the distant station.
  • the method of transmitting intelligence through the earth which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth at said two points currents modified, in accordance with the signal to be transmitted, and receiving said modified currents in a suitable receiver connected to the earth at two points at the distant station.
  • the method of. transmitting speech through the natural media which consists in first impressing on the media currents of high sound-waves.
  • the method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential,-then impressing on the earth currents modified by and in accordance with sound-waves, and translating said modified currents into sound-waves at a distant station.
  • the method of transmitting speech through the natural media which consists in first impressing on the media currents of high potential, then impressing on the media currents modified by. and in accordance with sound-waves, and receiving said modified currents in a telephone-receiver.
  • the method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth currents modified by and in accordance withsound-waves, and receiving said modified rents in a telephone-receiver.
  • the method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential, and then impressing on the earthat said two points currents modified byand in accordance with sound-waves.
  • the method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth at said two points currents modified by and in accordance with sound-waves, and receiving said modified currents in a telephone-receiver at the distant station.
  • the method of transmitting speech through the natural media which consists in first polarizing the media, and then impressing telephonic currents on said polarized media.
  • the method of transmitting speech through the natural media which consists in first polarizing the media, and then impressing-on the polarized mediacurrents modified by and in accordance with sound-waves.
  • the method of transmitting speech through the natural media which consists in first polarizing the media, then impressing on the polarized media, currents modified by and in accordance with sound-waves, and receiving said modified currents in a telephone-receiver at the distant station.
  • the method of transmitting. speech through the earth which consists in first polarizing the earth between the transmitting and receiving station, and then impressing telephonic currents on said polarized earth.
  • the method of transmitting speech through the earth which consists in first polarizing the earth between the transmitting and receiving station, then impressing telephonic currents on said polarized earth, and receiving said currents in a telephone-receiver at the distant station.
  • the method of transmitting intelligence through the earth which consists in first polarizing the earth between the transmitting and receiving stations, then impressing on said polarized earth currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a distant station;
  • the method of transmittingintelligence through the natural media which consists in first polarizingthe media by currents of high potential, and then impressing thereon currents modified in accordance with the signal to be transmitted.
  • the method of transmittingintelligence through the natural media which consists in first im'pressing on the media currents of high potential, and then passing through said media currents modified in accordance with the signal to be transmitted.
  • the method of transmitting intelligence through the natural media which consists in first impressing on the media currents of high potential, and then transmittin a signal therethrough by electrical means.
  • the method of transmitting intelligence through the earth which consists in first polarizing the earth, and then transmitting a signal therethrough-by electrical means.
  • An'improvement in the method of transmitting intelligence through the earth, whlch consists in reducing the resistance of the earth between the transmitting and receiving station to the passage of low-tension currents.
  • An improvement in the method of the transmission of speech through the natural media which consists in reducing the resist ance of said media to low-tension currents.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

PATENTED FEB. 16, 1904.
D. DRAWBAUGH. METHOD OF TRANSMITTING INTELLIGENCE THROUGH THE NATURAL MEDIUMS.
APPLIOATIOK FILED 1mm 28, 1902. RENEWED JULY 15. 1903.
H0 MODEL.
Maw.
UNITED STATES PATENT @rrrcn.
DANIEL DRAVVBAUGH, OF EBERLYS MILLS, PENNSYLVANIA.
METHOD OF TRANSMITTING INTELLIGENCE THROUGH THE NATURAL MEDIUMS.
SPECIFICATION forming part of Letters Patent No. 752,534, dated February 16, 1904.
Original application filed March 1, 1902- Renewed July 15, 1903,
Renewed July 15,
To all whom it may concern:
Be it known that I, DANIEL DRAWBAUGH, a citizen of the United States, residing at Eberlys Mills, in the county of Cumberland-and State of Pennsylvania, have invented certain new and useful Improvements in Methods of Transmitting Intelligence Through the Natural Media, of which the following is a specification.
My invention relates to the art of transmitting intelligence, including the transmission of speech, through the natural media, and dcpends on my discovery of the practicability of impressing thereon high-potential currents of electricity, to thereby diminish its resistance to lower potential signaling-currents.
W'ith this object in view it comprises a new and improved method for terragraphic and terraphonic transmission, having as its essential feature the reduction of the resistance of the earth or other natural media between the transmitting and receiving station by electrical means, and preferably by impressing on the media at the transmitting-station currents of high potential. These high-potential currents may be conveniently produced by a magneto-generator of peculiar construction, for which I have filed application for Letters Pat-- ent, Serial No.96,589, now Patent No. 733,948. dated July 21,1903; but I do not limit myself to thesenieans, as any source of intermittent or periodically varying high-potential currents may be used. These high-potential currents l have discovered greatly reduce the resistance of the media, so that the lower tension telephonic or telegraphic currents can be used to transmit the message. I This phenomenon I believe to be due to a species of earth polarization somewhat similar to the electrolytic polarization; but I do not attempt to say that my hypothesis is correct, and by diminishing the resistancei do not mean to imply the nature or" this resistance, whether ohmic or otherwise. In any event I have found that the transmission of speech is greatly improved by first impressing on the earth theschighpotentialcurrents and that with a given battery-power of the transmitter speech becomes perfectly clear and audible after impressing Serial No. 165,660. Divided and this application filed June 28, 1902. 1903. Serial No. 165,663. (No specimens.)
on the earth these high-potential current-s for two or three minutes over so great a distance as to render transmission impossible before said polarization means were used.
I have illustrated in the annexed drawings, forming a part of this specification, two forms whereby my method may be practiced. but I do not limit myself to such means; but have defined my invention in the appended claims.
Figure 1 illustrates my method as applied to telephonic ,transmission through the earth. and Fig. 2 illustrates my method as applied to telegraphic transmission through the earth.
In the drawings, 32 is a local circuit containing a key 1 and a battery 2 in Fig. 2 and a telephone-transmitter 23 in Fig. 1.
18 18 and 24 24 are metal plates sunk in the earth.
521 is a magneto such as described in the above-setforth applications or any other source of high-potential, alternating, or inter-.
mit-tent current.
20 is a double-pole switch for alternately connecting theinagneto and key-circuit to the plates 18 18. I
23 is a telephone-transmitter which includes the batteries and accessory apparatus and which can be connected to plates by switch 20.
10 is a polarized relay connected to plates 24: by conductors 26 and controlling a local circuit containing abattery 11 and polarized sounder 12, as shown in Fig. 2. I
is a telephone-receiver connected to the plates 24 24, as shown in Fig. 1.
It is to be observed that the plates 24 24 should be so placed that one is slightly in advance of the other in order to obtain the best results. The plates 18 are first connected by switch 20 to the source of high potential 21 for several minutes and then they are connected to the key or transmitter circuit. The signal then sent by the key or transmitter is received in the relay 12 or the telephone-receiver 25.
I do nothcrein claim the meansior practicing this method. having claimed such in my main application, filed March 1, 1902, renewed July 15. 1903, Serial -No. 165.660, and have divided the subject-matter covered by this application therefrom on the requirement of the Patent Oflice.
I claim 1. The method of transmitting intelligence through the natural media, which consists in first impressing on the media currents of high potential, and then impressing on the media currents modified in accordance with the sig-' nal to be transmitted. v
2. The method of transmitting intelligence through the natural media, which consists in first impressing on the media currents of high potential, then impressing on the media currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a distant station.
3: The method of transmitting intelligence through the natural media, which consists in first impressing on the media at two points currents of high potential, and then impress ing on the media at said two points currents modified in accordance with the signal to be =transmitted. I
4:. The method of transmitting intelligence through the natural media, which consists in first impressing on the media at two points currents of high potential, then impressing on the media at said two points currents modi fied in accordance-with the signal to be transmitted, and receiving said modified currents at a distant station.
5. The method of. transmitting intell gence I through the natural media, which consists in first impressing on the media currents of h gh potential and then impressing on the media currents modified in accordance'with the signal to be transmitted, and receiving said modified currents at a distant station in a suitable receiver connected to the media at two points.
6.- The method of transmitting intelligence through the natural media, which consists in first impressing on the media at two points currents of high potential, then impressing on the media at said two points currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a' distant station in a suitable receiver-connected to the media at two points.
7. 'The method of transmitting intelligence through the earth, which consists in firstimpressing on the earth currents of high potential, and then impressing on the earthcurrents modified in accordance'with the signal to be transmitted. v
8. Themethod of transmitting intelligence through the earth, which consists in first impressing on the earth currents of hlgh potential, then impressing on the earth currents modified in accordance with the signal to be transmitted, and receiving the modified currents at a distant station.
9. 'The method of transmitting intelligence .through the earth, whichconsists in firstimpressing on the earth at two points currents of high potential, and then impressing on the earth at said two points currents modified in accordance with the signal to be transmitted.
10. The method of transmitting intelligence through the earth, which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth at said two points currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a distant station.
11. The method of transmitting intelligence through the earth,---which consists in first impressing on the earth currents of high potential, then impressing on the earth currents modified in accordance with the signal to be transmitted, and receiving said modified currents in a suitable receiver connected to the earth at two points at the distant station.
12. The method of transmitting intelligence through the earth, which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth at said two points currents modified, in accordance with the signal to be transmitted, and receiving said modified currents in a suitable receiver connected to the earth at two points at the distant station.
13. The method of. transmitting speech through the natural media, which consists in first impressing on the media currents of high sound-waves.
1 1. The method of transmitting speech through the natural media, which consists in first impressing on the media currents of high potential, then impressing on the media currents modified by and in accordance with sound-waves, and translating said modified currents into sound-waves at a distant station. 15. The method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential, and then impressing on the earth currentsmodified by and in accordance with sound-waves. a
16. The method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential,-then impressing on the earth currents modified by and in accordance with sound-waves, and translating said modified currents into sound-waves at a distant station. 17. The method of transmitting speech through the natural media which consists in first impressing on the media currents of high potential, then impressing on the media currents modified by. and in accordance with sound-waves, and receiving said modified currents in a telephone-receiver.
' 18. The method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth currents modified by and in accordance withsound-waves, and receiving said modified rents in a telephone-receiver.
19. The method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential, and then impressing on the earthat said two points currents modified byand in accordance with sound-waves.
20. The method of transmitting speech through the earth which consists in first impressing on the earth at two points currents of high potential, then impressing on the earth at said two points currents modified by and in accordance with sound-waves, and receiving said modified currents in a telephone-receiver at the distant station.
21. The method of transmitting speech through the natural media, which consists in first polarizing the media, and then impressing telephonic currents on said polarized media.
22. The method of transmitting speech through the natural media, which consists in first polarizing the media, and then impressing-on the polarized mediacurrents modified by and in accordance with sound-waves.
23. The method of transmitting speech through the natural media, whichconsists in first polarizing the media, then impressing telephonic currents on said polarized media, and receiving said currents in a telephone-receiver at the distant station. Y
24. The method of transmitting speech through the natural media, which consists in first polarizing the media, then impressing on the polarized media, currents modified by and in accordance with sound-waves, and receiving said modified currents in a telephone-receiver at the distant station.
25. The method of transmitting. speech through the earth, which consists in first polarizing the earth between the transmitting and receiving station, and then impressing telephonic currents on said polarized earth.
26. The method of transmitting speech through the earth, which consists in first polarizing the earth between the transmitting and receiving station, then impressing telephonic currents on said polarized earth, and receiving said currents in a telephone-receiver at the distant station.
27. The method of transmitting intelligence receiving stations, and then impressing on said polarized earth currents modified in accordance with the signal to be transmitted.
30'. The method of transmitting intelligence through the earth, which consists in first polarizing the earth between the transmitting and receiving stations, then impressing on said polarized earth currents modified in accordance with the signal to be transmitted, and receiving said modified currents at a distant station;
31. The method of transmittingintelligence through the natural media, which consists in first polarizingthe media by currents of high potential, and then impressing thereon currents modified in accordance with the signal to be transmitted.
32. The method of transmittingintelligence through the natural media, which consists in first im'pressing on the media currents of high potential, and then passing through said media currents modified in accordance with the signal to be transmitted.
. 33. The method of transmitting speech through the natural media, which consists in firstimpressing on the mediacurrents of high potential, and then passing through said media currents modified by,and in accordance with sound-waves.
34. The method of transmitting intel ligence through the natural media, which consists in first impressing on the media currents of high potential, then passing through said media currents modified in accordance with the signal to be transmitted, and translating said modified currents into audible or visual signals at a distant receiving-station.
35. The method of transmitting speech through the natural media, which consists iri first impressing on the media currents of high potential, then passing through said media currents modified by and in accordance with sound-waves, and converting saidmodified currents into sound-waves at a-distant station:
36. The method of transmitting intelligence through the natural media, which consists in first impressing on the media currents of high potential, and then transmittin a signal therethrough by electrical means.
37 The method of transmitting intelligence through the natural media, which consists in first polarizing the media and then transmitting a signaltherethrough by electrical means.
38. The method of transmitting intelligence through the earth, which consists in first polarizing the earth, and then transmitting a signal therethrough-by electrical means.
39. The method of transmitting speech through the natural media by electrical means, which consists in first impressing on said media currents of high potential, and then impressing thereon currents modified by and in accordance with sound-waves.-
40. The method of transmitting speech through the natural media, which consists in first polarizing said media, and then impressing thereon currents modified by and in accordance with sound-waves.
41. The method of transmitting speech through the earth, which consists in first p0- larizing a portion of the earth, and then passing therethrough currents modified by and in accordance with sound-waves,
42. The method of transmitting speech step of polarizing the earth to decrease its re-- sistance to the passage of low-tension currents therethrough.
46. In the art of transmission of intelligence, the step-of impressing on the earth currents of high potential to polarize the earth and thereby reduce its resistance to the passage of low-tension currents therethrough.
47. In the art of transmission of speech,-the step of impressing on the earth currents of high potential to polarize the earth and there by reduce its resistance to the passage of lowtension currents therethrough.-
48. An improvement'in the method of the transmission of intelligence through the natural media, which consists in reducing, the resistance of said media to low-tension currents.
49. An'improvement in the method of transmitting intelligence through the earth, whlch consists in reducing the resistance of the earth between the transmitting and receiving station to the passage of low-tension currents.
50. An improvement in the method of the transmission of speech through the natural media, which consists in reducing the resist ance of said media to low-tension currents.
. 51. An lmprovement in the method of transmitting speech through the earth, which c'on-' sists in reducing the resistance of the earth between the transmitting and receiving station to the passage of low-tension current s.
52. The step in the art of' transmitting i11 telligencethrough the natural media, which consists in reducing the resistance of the me- .dia.
53. The step in the art of transmitting speech through the natural media, which consists in reducing the resistance of the media.
54.. The step in the art of transmitting speech through the earth which consists in reducing the resistance of the earth.
55. The step in the art of transmitting intelligence through the earth which consists in reducing the resistance of the earth.
56. The step in the art of transmitting intelligence through the natural media which consists in polarizing the natural media.
57 The step in the art of transmitting intelligence through the earth which consists in polarizing the earth.
58. The step in the art of transmitting speech through the earth which consists in polarizing the earth.
59. The step in the art of transmitting speech through the natural media which consists in polarizing the natural media.
4 60. An improvement in the art' of transmitting intelligence through the natural media, which consists 'n polarizing said media impressing thereo currents of high potential.
61. An improvementin the art of transmitting intelligence through the natural media which consists in polarizing said media by electrical means;
In testimony whereof I affix my signature in presence of two witnesses- DANIEL DRAWBAUGH.
. Witnesses:
EMoRY H. Beam, DAVID P. Moons.
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