United States Patent
US Patent 7488254: Controller and expansion unit for controller
US 7488254 · granted 2009-02-10
| Patent Number | 7488254 |
|---|---|
| Title | Controller and expansion unit for controller |
| Filed | 2005-06-14 |
| Granted | 2009-02-10 |
| Inventor(s) | Atsunori Himoto, Kenji Tosaki, Toshinori Date |
| Assignee | Sega Enterprises Ltd |
| CPC Classification | A63F13/22, A63F13/20, A63F13/00 |
| Number of Claims | 6 |
Claims Summary
1. A controller connectable to an electronic device wherein the controller transmits instruction signals to the electronic device in response to a user’s operation, said controller comprising:
an upper face;