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Class 84/729 - Reed


Subclass of Class 84 - Music
Definition: Subject matter wherein the varying magnetic flux is caused
No. of patents: 8
Last issue date: 10/23/2007


NumberTitleIssue Date
7285713Stringed musical instrument equipped with sensors sensitive to vibration components and bridge with built-in sensors
An electric acoustic stringed musical instrument is a combination between an acoustic stringed musical instrument and an electric system; while a player is bowing on the strings, the strings not only laterally vibrate but also are repeatedly elongated and shrunk so ...
10/23/2007
7138577Stringed musical instrument equipped with pickup embedded in bridge and bridge used therein
An electric acoustic violin is a combination of an acoustic violin and an electric system, and the electric system includes a pickup unit for converting the vibrations of the strings to an electric signal; and a hollow space is formed in the bridge for receiving the...
11/21/2006
4545277Sound attachment for a reed instrument
A sound attachment for a reed instrument such as a harmonica. A housing is provided having an open end adapted for attachment to the instrument, covering the full width of the portion of the instrument from which sound is emitted, and a closed opposite en...
10/08/1985
4433602Keyboard musical instrument
A portable electric keyboard musical instrument is disclosed which includes a plurality of sound producing elements with each fixedly attached to the supporting structure, and a plurality of actions for selectively causing respective elements to vibrate. ...
02/28/1984
4373418Tuning fork mounting assembly in electromechanical pianos
An electromechanical piano of the type incorporating asymmetrical tuning forks. To increase vastly the dwell of the forks in the high-pitched range of the piano, a fork-mounting construction is employed wherein only a single screw is associated with each ...
02/15/1983
4314494Electric keyboard musical instrument
A portable electric keyboard musical instrument is disclosed which includes (1) a two-part folding supporting structure, (2) a plurality of vibratile reeds with each having an end fixedly attached to the supporting structure, and (3) a plurality of action...
02/09/1982
4175461Electromagnetic pickup device
An electromagnetic pickup device for use in a tone generator of an electronic piano includes a plurality of vibratory reeds and pole pieces of pickups which are so shaped that each reed and pole piece are opposed to each other in a range from the neutral ...
11/27/1979
4040321Electromagnetic pickup and method for tine-type electric piano, and piano incorporating such pickup
The present electromagnetic pickup and method, and the piano incorporating the pickup, make use of a protuberant magnetic pole piece portion which is so constructed and related that (a) the lines of magnetic force loop back therefrom, and (b) the concentr...
08/09/1977
 
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