Roberto del Rosario

Roberto del Rosario
Nationality Filipino
Organization Trebel Music Corporation
Known for Patentholder for the karaoke machine
Notable work Sing Along System (SAS)
Spouse(s) Eloisa Beltran

Roberto L. del Rosario is a Filipino entrepreneur who served as the president of the Trebel Music Corporation. He is also the patent holder of the Sing Along System, a karaoke system he developed in 1975.

Patent rights to Karaoke

Del Rosario holds a patent to the Sing Along System, a karaoke machine which he developed in 1975.[1] He filed a patent infringement case against a Chinese company before the Supreme Court. The court ruled that the company violated his patent rights over his karaoke machine in 1996. He is recognized as the sole holder of a patent for a karaoke system in the world. However most scholars credits Daisuke Inoue, a Japanese, as the inventor of the karaoke. Inoue invented the karaoke in 1971.[2]

Other works

  • Piano Tuner's Guide
  • Piano Keyboard Stressing Device
  • Copper Wire String Winding Machine
  • One-Man Band (OMB)
  • Voice Color Tapes
  • Sing-Along System (SAS)
  • Method of Determining a Singer's Voice Range

See also

References

  1. ↑ Sood, Suemedha (12 August 2011). "Karaoke in the Philippines". BBC Travel. Retrieved 19 February 2018.
  2. ↑ Brown, Kevin (12 September 2015). Karaoke Idols: Popular Music and the Performance of Identity (illustrated ed.). Intellect Books. p. 69. ISBN 9781783204441. Retrieved 19 February 2018.
  • Pascua Quing Ramos Reyes Roque Rosales. ".: PINOY IMBENTOR :". pinoyimbentor.atspace.com. Retrieved 2014-05-31.
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