75686439
Apr 19, 1999
sports racquets, namely, tennis, squash, racquetball and badminton racquets and electroactive materials as used therein, consisting of actuators and sensors for detecting and applying forces and strains, and electronic components as used therein, namely, circuitry for analyzing signals and providing connection to the electroactive materials, and electronic components relating thereto, namely, electrical power supplies, electronic controllers, and energy harvesting devices, for use in modifying the racquet, namely, the passive or in-play characteristics, the weight or stiffness, the power or control, or providing information to the player
Electrical and Scientific Apparatus