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File:Marconi capacity area transmitter 1896.png

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to the antenna, so it will store more charge, increasing the output power. It was not commercially successful; the range of the transmitter was still less than one-half mile, but it established the important principle that increasing the capacitance of the antenna increased the
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Wireless Telegraphy and Wireless Telephony: An understandable presentation of the science of wireless transmission of intelligence
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in series were called a Righi spark gap. Marconi's innovation is the addition of "capacity areas"
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Charles Grinnell Ashley, Charles Brian Hayward (1912)
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317:Marconi 1895 experimental spark radio transmitter 193:Charles Grinnell Ashley and Charles Brian Hayward 51:(676 × 581 pixels, file size: 38 KB, MIME type: 66: 135:, filed 7 December 1896, granted 13 July 1897 8: 471: 388: 313: 204: 111:Marconi capacity area transmitter 1896.png 47:Marconi_capacity_area_transmitter_1896.png 145:transmitter to give greater range. The 3 489: 481: 473: 448: 364: 348: 331: 328: 309: 302: 229: 7: 436:User created page with UploadWizard 377: 464: 322: 316: 263: 235: 115: 98: 44: 321: 307: 257: 228: 177:Retrieved February 9, 2018 from 153:, two large metal sheets to add 65: 21: 304: 133:Transmitting electrical signals 116: 41:No higher resolution available. 14: 303: 131:US patent 586193, G. Marconi, 26: 1: 281:be used for sound recordings. 31: 329:Items portrayed in this file 129:in 1895 and patented 1896 ( 123:spark gap radio transmitter 511: 227: 125:invented by radio pioneer 491:File change date and time 378: 254:) before January 1, 1929. 16: 306: 250:(or registered with the 72:This is a file from the 435: 189: 173: 166: 163: 108: 76:. Information from its 494:23:06, 9 February 2018 414:23:44, 9 February 2018 79:description page there 475:Horizontal resolution 451:Spark-gap transmitter 252:U.S. Copyright Office 456:User:Chetvorno/work6 290:in the United States 236:This work is in the 483:Vertical resolution 268:have an additional 498: 497: 439: 315: 301: 300: 297: 223: 222: 197: 196: 127:Guglielmo Marconi 94: 93: 74:Wikimedia Commons 502: 472: 426: 295: 294: 291: 285: 277:This tag should 262: 261: 260: 232: 231: 225: 219: 216: 213: 210: 205: 169: 120: 112: 106: 90: 69: 68: 62: 56: 54: 510: 509: 505: 504: 503: 501: 500: 499: 460: 447: 440: 432: 424: 380: 379: 376: 375: 374: 373: 372: 371: 370: 369: 367: 357: 356: 355: 353: 342: 341: 340: 339: 338: 336: 320: 319: 318: 296: 292: 286: 283: 282: 258: 255: 246:because it was 217: 214: 211: 208: 203: 198: 185:on Google Books 159: 110: 103: 96: 95: 84: 83: 82:is shown below. 58: 52: 50: 43: 42: 12: 11: 5: 508: 506: 496: 495: 492: 488: 487: 484: 480: 479: 476: 463: 459: 458: 453: 445: 444: 443: 438: 437: 434: 430: 427: 421: 416: 411: 407: 406: 403: 400: 397: 394: 391: 384: 383: 368: 365: 363: 362: 361: 360: 359: 358: 354: 349: 347: 346: 345: 344: 343: 337: 332: 330: 327: 326: 325: 324: 323: 312: 311: 308: 305: 299: 298: 233: 221: 220: 202: 199: 195: 194: 191: 187: 186: 175: 171: 170: 165: 161: 160: 139:Heinrich Hertz 113: 104: 102: 99: 97: 92: 91: 70: 60: 59: 40: 36: 35: 34: 29: 24: 19: 13: 10: 9: 6: 4: 3: 2: 507: 493: 490: 485: 482: 477: 474: 470: 467: 461: 457: 454: 452: 449: 441: 433: 428: 422: 420: 417: 415: 412: 409: 408: 404: 401: 398: 395: 392: 390: 389: 387: 381: 352: 335: 289: 288:Public domain 280: 276: 273: 271: 270:copyright tag 267: 256: 253: 249: 245: 244:United States 241: 240: 239:public domain 234: 226: 212:Public domain 209:Public domain 207: 206: 200: 192: 188: 184: 182: 176: 172: 162: 156: 152: 148: 144: 140: 136: 134: 128: 124: 119: 114: 107: 100: 88: 81: 80: 75: 71: 64: 63: 57: 48: 39: 33: 30: 28: 25: 23: 20: 18: 15: 468: 465: 385: 382:File history 278: 274: 265: 237: 180: 150: 132: 117: 87:You can help 77: 45: 22:File history 155:capacitance 109:Description 442:File usage 423:676 × 581 399:Dimensions 147:spark gaps 27:File usage 486:28.35 dpc 478:28.35 dpc 431:Chetvorno 396:Thumbnail 393:Date/Time 351:inception 248:published 201:Licensing 118:English: 53:image/png 462:Metadata 310:Captions 32:Metadata 425:(38 KB) 410:current 405:Comment 334:depicts 314:English 284:PD-1923 242:in the 101:Summary 49:‎ 190:Author 174:Source 158:range. 143:dipole 275:Note: 218:false 215:false 402:User 366:1912 266:must 168:1912 164:Date 17:File 279:not 151:(r) 141:'s 121:A 89:. 55:)

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File history
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Metadata
File:Marconi capacity area transmitter 1896.png
Marconi_capacity_area_transmitter_1896.png
Wikimedia Commons
description page there
You can help
spark gap radio transmitter
Guglielmo Marconi
US patent 586193, G. Marconi, Transmitting electrical signals, filed 7 December 1896, granted 13 July 1897
Heinrich Hertz
dipole
spark gaps
capacitance
Charles Grinnell Ashley, Charles Brian Hayward (1912) Wireless Telegraphy and Wireless Telephony: An understandable presentation of the science of wireless transmission of intelligence, American School of Correspondence, Chicago, IL, p. 30, fig. 14
public domain
United States
published
U.S. Copyright Office
copyright tag
Public domain
depicts
inception
23:44, 9 February 2018
Thumbnail for version as of 23:44, 9 February 2018
Chetvorno
Spark-gap transmitter
User:Chetvorno/work6

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