KIDS QUIZ
FAMOUS INVENTORS AND INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Roberto Del Rosario
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Shuji Nakamura
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Yoshiro Nakamatsu
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Dawon Khang
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Detailed explanation-1: -Roberto Legaspi del Rosario (June 7, 1919 – July 30, 2003) was a Filipino entrepreneur who is best known as the patentholder of the Sing Along System, a type of karaoke system he developed in 1975.
Detailed explanation-2: -Today, the word karaoke needs no translation. Its meaning in Japanese is “empty or missing orchestra.” Roberto del Rosario, a Filipino national, was granted patents in 1983 and 1986 for a device generally known as the “karaoke machine.”
Detailed explanation-3: -But it is Filipino inventor Roberto del Rosario who holds the machine’s patent. He developed the Karaoke Sing-Along System in 1975. Since then, singing has become a central part of pop culture in the Philippines.
Detailed explanation-4: -Roberto del Rosario He developed an advanced sing-along-system known as OMB (one-man-band) which was the combination of a music player, voice taping mechanism, tuner and mixer. This sing-along-system (SAS) allowed his students to sing with the recorded music using a microphone and an amplified speaker.