{"id":3369,"date":"2025-10-06T16:11:06","date_gmt":"2025-10-06T14:11:06","guid":{"rendered":"https:\/\/tecnologia.euroinnova.com\/quien-fue-la-inventora-del-wi-fi-hedy-lamarr-la-mente-brillante-detras-del-wi-fi\/"},"modified":"2025-10-07T14:50:20","modified_gmt":"2025-10-07T12:50:20","slug":"inventor-of-wifi","status":"publish","type":"post","link":"https:\/\/tecnologia.euroinnova.com\/en\/inventora-del-wifi","title":{"rendered":"Who was the inventor of Wi-Fi? Hedy Lamarr: the brilliant mind behind Wi-Fi"},"content":{"rendered":"

When we talk about who invented wifi, few people know the history of wifi. inventor of wifi<\/strong>. Beyond being a well-known Hollywood actress, Hedy Lamarr<\/strong> was a brilliant inventor who, together with composer George Antheil, developed a revolutionary technology that would become the basis for modern wireless communications. Her invention, based on the use of frequency hopping spread spectrum, has greatly influenced the development of wireless networks such as Wi-Fi, Bluetooth and other data transmission systems.<\/p>\n

\"Hedy<\/p>\n

What did Hedy Lamarr invent?<\/h2>\n

During World War II, Lamarr and Antheil patented a system to control torpedoes wirelessly and securely, preventing them from being intercepted or jammed by the enemy. This system used a technique called frequency hopping spread spectrum<\/strong>, which allows a radio signal to switch rapidly between different frequencies within the frequency spectrum.<\/p>\n

\"Spread<\/p>\n

This invention was a crucial precursor to today's wireless technologies. Although the invention was not used by the military at the time, in later decades, the development of wifi technology was based on principles very similar to those devised by Lamarr. As a result, today is acknowledged as the true inventor of wifi<\/strong>, The modern standard was developed many years later by other technical teams.<\/p>\n

How does frequency hopping spread spectrum work?<\/h2>\n

Spread spectrum operation is based on the transmission of signals over multiple frequencies, rather than using a single fixed frequency. Specifically, the frequency hopping<\/strong> allow a signal to \u00abhop\u00bb quickly between different channels within the frequency spectrum, avoiding interference and making communications more secure.<\/p>\n

This not only improves the signal's resistance against external noise or interference, but also makes it more difficult for third parties to intercept or block the communication, as they would need to know the exact sequence of frequencies used to hop. This technique, developed by the inventor of wifi, is essential in modern wireless technologies<\/strong> like wifi, Ethernet<\/a> wireless and Bluetooth, as well as military and commercial applications.<\/p>\n

Current applications in which his invention is being used<\/h2>\n

The legacy of Hedy Lamarr, inventor of wifi, is reflected in many of the technologies we use every day. Thanks to his invention, we can enjoy secure and efficient wireless connections that are the basis of most connected devices today. Some applications include:<\/p>\n