Which large automotive and musical corporation has a logo comprising three crossed tuning forks?
Yamaha Corporation Yamaha Corporation Nippon Gakki Co. Ltd. (currently Yamaha Corporation) was established in 1887 as a piano and reed organ manufacturer by Torakusu Yamaha in Hamamatsu, Shizuoka prefecture and was incorporated on October 12, 1897. The company's origins as a musical instrument manufacturer are still reflected today in the group's logo—a trio of interlocking tuning forks. After World War II, company president Genichi Kawakami repurposed the remains of the company's war-time production machinery and the company's expertise in metallurgical technologies to the manufacture of motorcycles. The YA-1 (AKA Akatombo, the "Red Dragonfly"), of which 125 were built in the first year
Tuning fork depends on its dimensions and what it's made from: where: The ratio in the equation above can be rewritten as if the prongs are cylindrical with radius , and if the prongs have rectangular cross-section of width along the direction of motion. Tuning forks have traditionally been used to tune musical instruments, though electronic tuners have largely replaced them. Forks can be driven electrically by placing electronic oscillator-driven electromagnets close to the prongs. A number of keyboard musical instruments use principles similar to tuning forks. The most popular of these is the Rhodes piano, in which hammers hit metal tines