Title:
トラックボール
Document Type and Number:
Japanese Patent JP5744732
Kind Code:
B2
Abstract:
A pointing device such as a scrolling device or trackball, including a ball formed at least partially from an electrically conductive material, and a PCB including a capacitive proximity sensor, wherein movement data representative of ball movement is communicated by a controller to an interface such as a monitor screen, and wherein an electrical switch is actuable in response to the proximity of the sensed object to the ball, such that when a user is not in contact with or in close proximity to the ball, movement data will not be communicated by the controller to the interface.
Inventors:
Sutton, Tony
Chin, andre
Selby, Nathan
Chin, andre
Selby, Nathan
Application Number:
JP2011521641A
Publication Date:
July 08, 2015
Filing Date:
June 04, 2009
Export Citation:
Assignee:
Cursor Controls Limited
International Classes:
G06F3/0354; G06F3/033
Domestic Patent References:
| JP9114589A |
Foreign References:
| US20050228320 |
Attorney, Agent or Firm:
Yasuo Itaya