The article to which the design is applied is a microphone which transmits audio signals to an external receiver via infrared communication.
The article to which the design is applied is a microphone which transmits audio signals to an external receiver via infrared communication.
| Number | Date | Country | Kind |
|---|---|---|---|
| 2007-026593 | Sep 2007 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 2508918 | Hines, Jr. | May 1950 | A |
| 2521423 | Stuck | Sep 1950 | A |
| 3851123 | Lipinski et al. | Nov 1974 | A |
| D241854 | Noyes | Oct 1976 | S |
| D260882 | McCain | Sep 1981 | S |
| D276158 | Lee et al. | Oct 1984 | S |
| 4972508 | King | Nov 1990 | A |
| D412705 | Laiacona et al. | Aug 1999 | S |
| D418510 | Zeitman | Jan 2000 | S |
| D516546 | Sobol | Mar 2006 | S |
| D529902 | Tan et al. | Oct 2006 | S |
| D539272 | Kaner et al. | Mar 2007 | S |
| D570821 | Probst et al. | Jun 2008 | S |