Ruperta david invention

Roberto del Rosario: One-man band Inventor

For a very long time, the majority of the world's famous inventors were from the United States and Europe.

Most other regions of the world struggled through poverty and conflict, providing little educational or industrial background for inventors. By the middle of the 20th century, however, some inventions were being produced by other places in world, like Asia.

Filipino inventors

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Why did roberto del rosario invented karaoke

Leonardo salvador

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The Filipino inventor Roberto del Rosario is an example of a now famous Asian inventor.

Roberto del Rosario made a ton of ideas. His most renowned worldwide is the karaoke framework. The framework is a conveyable gadget that plays music without singing the words.

The music might be sung along to through the going with amplifier. Called the Sing Along System (SAS) by Rosario, the karaoke framework was quite rapidly prevalent all around the Philippines, Japan, China, and encompassing nations.

Its prevalence spread as far and wide as possible, and it turned into an incredibl