| 摘要 |
The pen includes a sensor for recording the motion of the ball 3 and stores the information digitally in an electronic storage device 14 that may be removable, a socket 15 providing connection via a cable to other digital devices. The surface of the ball 3 includes spaced metal or magnetic nodes 13 that are detected by electronic or electrical motion contacts or receptors 19. The pen also includes an ink reservoir 10 with a piston 12 for feeding ink along channel 7 to the ball. |
