Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
OBJECTIVE CONCEPTS LIMITED
| OBJECTIVE CONCEPTS LIMITED Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110002478 | HEADSET - A headset includes an ear-cup having speaker means operable to output sound in first and second modes, the speaker means being appropriate for use as headphones in the first mode and for use as a loudspeaker in the second mode, a volume in the second mode being generally greater than that of the first mode when in use, and at least one vent for selectively allowing air to pass from inside the ear-cup to outside the ear-cup, in use. | 01-06-2011 |