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Photonics Gives New Life to Old Tune

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Jennifer L. Morey

BUENA PARK, Calif. -- The player pianos that were so popular in the early part of this century are making a comeback -- this time with a high-tech twist. Although computerized player pianos that store live performances and play them back note for note have been around for several years, a new piano from Yamaha Corp. of America goes one step further by integrating stringless optical sensor technology. Optical hammer-speed (top) and key-position (bottom) sensors work together in the Yamaha GranTouch piano to convert keystrokes into digital data. The Disklavier GranTouch Digital Grand...Read full article

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    Published: November 1997
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