Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928176 | Switching circuit built in IC for earphone and loudspeaker of portable information device | Wei-Cheng Lin | 2005-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928176 | Switching circuit built in IC for earphone and loudspeaker of portable information device | Wei-Cheng Lin | 2005-08-09 |