How Marconi Patented Early Wireless Telegraphy Signals
Guglielmo Marconi's 1897 patent for sending electrical signals through the air to enable early wireless communication.
Original patent title: “transmitting electrical signals”
Guglielmo Marconi's 1897 patent for sending electrical signals through the air to enable early wireless communication. Granted to Guglielmo Marconi in 1897 with 4 forward citations.
Key facts
Coverage
What does this patent actually cover?
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.
The gap
What does this patent 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.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
What made this novel
The innovation was the practical application of grounding the transmitter and receiver, which allowed the system to operate over much greater distances than the short-range laboratory setups used by predecessors like Hertz.
The Patent Drawing
Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Early ship-to-shore wireless telegraphy stations
Transatlantic wireless communication experiments
Why it matters
The bigger picture
This patent is a foundational document in the history of radio. It provided the legal basis for Marconi's commercial ventures, allowing him to establish the Marconi Wireless Telegraph Company and define the early era of long-distance wireless communication.
Granted
July 13, 1897
Market context
Who's building on this
Companies in this space
Modern telecommunications companies and radio infrastructure providers trace their technical lineage to these early experiments. Marconi's work laid the groundwork for the entire radio frequency spectrum industry.
Market impact
This patent effectively launched the commercial wireless industry, enabling the first reliable method for ships to communicate with land. It triggered significant investment in radio infrastructure and set the stage for the global telecommunications networks we use today.
Claim 1 — Plain English
What this patent covers
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.
The clever bit
The innovation was the practical application of grounding the transmitter and receiver, which allowed the system to operate over much greater distances than the short-range laboratory setups used by predecessors like Hertz.
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.
PatentBrief Score
Impact Score
Limited data
Citation count
14/40
Early citations
Claim breadth
0/20
Narrow claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more →
Recency
0/20
Older than 20 years
Assignee scale
0/20
Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Heuristic Value Estimate
What this patent might be worth
$4K – $13K
Midpoint $8K · expired or expiring · industry ×1.4
Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.
Concepts involved
Citations
Patent lineage
Cite this patent
(1897). How Marconi Patented Early Wireless Telegraphy Signals (U.S. Patent No. 586,193). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/586193/radio-wireless-marconi
Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.
Embed
Add this patent to your site
Drop this plain-English patent card into any blog post or article — free, no signup. It always links back to the full breakdown here.
<div data-patentlens-widget data-patent-number="US586193"></div> <script src="https://patentbrief.org/embed.js" async></script>
Stay in the loop
Get a weekly digest of new patents.
One email per week. No spam. Unsubscribe anytime.
Keep exploring
Related patents you should know
US 4683195 · 1987
How to Make Billions of Copies of a DNA Segment
This patent describes the Polymerase Chain Reaction (PCR), a method to rapidly create many copies of a specific piece of DNA or RNA, enabling its detection and analysis.
Cetus Corp
US 8697359 · 2014
How to Edit Genes in Human Cells Using an Engineered CRISPR System
This patent describes an engineered CRISPR-Cas9 system for precisely cutting DNA in eukaryotic cells to change how genes work, opening the door for gene editing in complex organisms.
Massachusetts Institute of Technology
US 7657849 · 2010
How the iPhone's Slide-to-Unlock Gesture Works
Apple's 2010 patent describes unlocking a device by dragging a specific graphical image across the touchscreen along a predefined path, a gesture that became iconic with the original iPhone.
Apple Inc
US 4733665 · 1988
How Doctors Implant a Permanent Stent Using a Balloon
This patent describes the method for placing a permanent, expandable wire mesh tube inside a blood vessel or other body tube using a balloon-tipped catheter to widen it and keep it open.
Expandable Grafts Partnership
US 4405829 · 1983
How RSA Public-Key Encryption Keeps Digital Messages Secret
This patent describes the foundational RSA algorithm, a method for securely sending messages where anyone can encrypt a message using a public key, but only the intended recipient can decrypt it using a secret private key.
Massachusetts Institute of Technology
US 4575330 · 1986
How 3D Printers Build Objects Layer by Layer from Liquid
This patent describes the foundational method for 3D printing, where a machine builds a three-dimensional object layer by layer by hardening a liquid material with light or other energy.
UVP Inc
Semantically similar
You might also find these interesting
US 879532 · 1908 · FOREST RADIO TELEPHONE CO DE
Lee De Forest's Early Radio Telegraphy System
US 1647 · 1840 · Samuel F. B. Morse
How Samuel Morse Patented the Electric Telegraph System
US 174465 · 1876
Alexander Graham Bell's Patent for the Telephone
US 613809 · 1898
Nikola Tesla's Remote Control System for Boats
More to explore
More in Telecom & Wireless
US 5347632 · 1994 · Prodigy Services Co
Prodigy's System for Interactive Online Information and Shopping
US 3906166 · 1975 · Motorola Inc
How Early Cell Phones Handled Calls Across Different Towers
US 4063220 · 1977 · Xerox Corp
How Multiple Computers Share a Network Cable Without Crashing
US 4200770 · 1980 · Leland Stanford Junior University
How to Create a Secret Code Key Without Meeting First
New to patents?
Common Questions
Frequently Asked Questions
What does How Marconi Patented Early Wireless Telegraphy Signals cover?
Guglielmo Marconi's 1897 patent for sending electrical signals through the air to enable early wireless communication.
Who owns patent US 586193?
Guglielmo Marconi owns this patent, granted in 1897.
When does this patent expire?
This patent has expired and is now in the public domain — anyone can use the invention freely.
What is patent US 586193 cited by?
This patent has been cited by 4 later patents that build on its ideas.
What problem does this patent solve?
This patent is a foundational document in the history of radio. It provided the legal basis for Marconi's commercial ventures, allowing him to establish the Marconi Wireless Telegraph Company and define the early era of long-distance wireless communication.
What does this patent NOT cover?
Does not cover modern digital signal processing or modulation techniques.
Patent monitoring