Search results
Results from the WOW.Com Content Network
Before the discovery of electromagnetic waves and the development of radio communication, there were many wireless telegraph systems proposed and tested. [4] In April 1872 William Henry Ward received U.S. patent 126,356 for a wireless telegraphy system where he theorized that convection currents in the atmosphere could carry signals like a telegraph wire. [5]
The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and the 1880s related to the invention of the telephone, which culminated in an 1888 decision of the U.S. Supreme Court that upheld the priority of the patents belonging to Alexander Graham Bell.
[77] [33] Tesla sued Marconi's company for patent infringement but didn't have the resources to pursue the action. In 1943 the US Supreme Court invalidated the inductive coupling claims of Marconi's patent [78] due to the prior patents of Lodge, Tesla, and Stone, but this came long after spark transmitters had become obsolete. [71] [63]
U.S. patent 390,414 - Dynamo Electric Machine - 1888 October 2 - Related to the patents of Tesla and Charles F. Peck, numbers: US381968 and US382280; Ordinary forms of continuous and alternate current systems may be adapted to Tesla's system, with slight changes to the systems; Effects their forms; Only the best and most practical solutions are ...
If you want and article specifically about the Marconi patent dispute then write one with that title. Martin Hogbin 20:19, 25 August 2008 (UTC) Tesla is claimed as the inventor of radio to varying degrees. Sorry you don't like the facts. You seem to want an article on the Marconi patent disputes .. you should write it.
According to car insurance data platform Compare.com, the extraordinary specs of the Model S contribute to its high cost of coverage — over 1,000 horsepower and sub-two-second 0-60 acceleration ...
A Marconi station built in 1902 at South Wellfleet, Cape Cod, Massachusetts (initial callsign CC, MCC 1908 to 1911, finally WCC from 1911,) transmitted its first telegraphic message via spark gap transmitter in 1903 from what is now known as the National Park Service "Marconi Area," about a mile north of the entrance to Marconi Beach. Marine ...
Tesla CEO Elon Musk sits in the courtroom during closing arguments by Tesla attorney Alex Spiro (not seen) at a securities-fraud trial at federal court in San Francisco, California, U.S., February ...