Tennis racket

Abstract

A tennis racket includes a head including a frame surrounding a netting of string, a holding handle ( 2 ), a vibration sensor ( 14.1 ), a triaxial linear acceleration sensor ( 14.2 ), and a triaxial angular speed sensor ( 14.3 ).

1 - 16 . (canceled) 
     
     
         17 . A tennis racket, including:
 a head including a frame surrounding strings,   a gripping handle,   a vibration sensor,   a triaxial linear acceleration sensor, and   a triaxial angular speed sensor.   
     
     
         18 . The tennis racket according to  claim 17 , further including means for storing data recorded by the sensors, and means for transmitting data recorded by the sensors. 
     
     
         19 . The tennis racket according to  claim 17 , wherein the vibration sensor is fastened to the head of the racket. 
     
     
         20 . The tennis racket according to  claim 17 , wherein the head includes connecting branches that connect the strings to the handle, and the vibration sensor is fastened on a connecting zone of the connecting branches. 
     
     
         21 . The tennis racket according to  claim 17 , wherein the triaxial linear acceleration sensor and the triaxial angular speed sensor are secured to the handle. 
     
     
         22 . The tennis racket according to  claim 17 , wherein at least one electrical circuit associated with the sensors is fastened to a removable housing that is removably fastened to the frame of the racket. 
     
     
         23 . The tennis racket according to  claim 22 , wherein at least one of the sensors is also fastened to the removable housing. 
     
     
         24 . The tennis racket according to  claim 22 , wherein the handle is hollow and contains the removable housing. 
     
     
         25 . The tennis racket according to  claim 22 , wherein the electronic circuit is equipped with the triaxial linear acceleration sensor and the triaxial angular speed sensor and fastened to the removable housing. 
     
     
         26 . The tennis racket according to  claim 22 , wherein the removable housing is fastened to the frame of the racket using fastening elements. 
     
     
         27 . The tennis racket according to  claim 22 , wherein the fastening elements are oriented perpendicular to the handle. 
     
     
         28 . The tennis racket according to  claim 22 , wherein the hollow body of the handle comprises two inner rails parallel to the handle and wherein the removable housing comprises two longitudinal slots. 
     
     
         29 . The tennis racket according to  claim 22 , further including a butt cap fastened to the housing, at the free end of the handle, using removable fastening means oriented parallel to the handle. 
     
     
         30 . The tennis racket according to  claim 22 , further including a rechargeable battery that powers the electronic circuit. 
     
     
         31 . The tennis racket according to  claim 22 , further including a butt cap fastened to the housing, at the free end of the handle, and which tightly closes the handle while allowing manipulation of the control buttons of the electronic circuit. 
     
     
         32 . The tennis racket according to  claim 22 , wherein the vibration sensor is glued on the frame of the racket and is connected, using electrical wires, to an electronic circuit fastened to the removable housing. 
     
     
         33 . The tennis racket according to  claim 18 , wherein the means for transmitting data include wired connecting means. 
     
     
         34 . The tennis racket according to  claim 33 , wherein the wired connecting means include an electrical connector of the USB type. 
     
     
         35 . The tennis racket according to  claim 18 , wherein the means for transmitting data include wireless transmission means. 
     
     
         36 . The tennis racket according to  claim 35 , wherein the wireless transmission means include an antenna of the Bluetooth type. 
     
     
         37 . The tennis racket according to  claim 19 , wherein the vibration sensor is fastened to the head of the racket by adhesion. 
     
     
         38 . The tennis racket according to  claim 26 , wherein the fastening elements include screws.