Method and apparatus for sensing key movement in a musical keyboard
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 7, 2002
Grant Date -
N/A
app pub date -
May 19, 1999
filing date -
May 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for measuring and recording keyboard motion in which an array of magnets and sensors capture key movement with high accuracy. This method uses a non-contact sensing and assembly technique that requires no mechanical or electrical connections with the entire keyboard assembly, thus making installation and servicing easier, as there are no cables or other devices required to connect or remove from the keyboard. This method also uses a mathematical algorithm to adjust for sensor distance variation (from the sensor to the key), allowing for high accuracy over the entire keyboard. Finally, this method allows for sideways keyboard movement (soft pedal in grand and some vertical pianos), without affecting the sensor readings.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully