{
  "patent_number": "US 586193",
  "country": "US",
  "title": "How Marconi Patented Early Wireless Telegraphy Signals",
  "original_title": "transmitting electrical signals",
  "summary": "Guglielmo Marconi's 1897 patent for sending electrical signals through the air to enable early wireless communication.",
  "what_it_does": "This patent describes a system for transmitting and receiving electrical signals using a transmitter and a receiver connected to elevated conductors or antennas. It relies on the use of a spark-gap transmitter to generate electromagnetic waves and a coherer, a primitive detector, to pick up those signals at a distance. By grounding one side of the transmitter and receiver, the system significantly increased the range and reliability of wireless telegraphy compared to previous laboratory experiments.",
  "what_it_does_not_cover": [
    "Does not cover modern digital signal processing or modulation techniques.",
    "Does not cover voice transmission, as this technology was limited to telegraphic pulses.",
    "Does not cover vacuum tube or transistor-based amplification systems."
  ],
  "filed": null,
  "granted": "1897-07-13",
  "expires": null,
  "status": "active",
  "holder": "Guglielmo Marconi",
  "holder_url": "https://patentbrief.org/company/guglielmo-marconi",
  "inventors": [],
  "times_cited": 4,
  "tags": [
    "telecommunications",
    "mechanical"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/586193/radio-wireless-marconi",
  "markdown_url": "https://patentbrief.org/patent/us/586193/radio-wireless-marconi/md",
  "google_patents_url": "https://patents.google.com/patent/US586193",
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    {
      "patentNumber": "879532",
      "countryCode": "US",
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}