| Title: | Sound volume control circuit, semiconductor integrated circuit, and sound source device | ||
| Application Number: | 200580010734 | Application Date: | 2005.04.04 |
| Publication Number: | 1939089 | Publication Date: | 2007.03.28 |
| Approval Pub. Date: | Granted Pub. Date: | ||
| International Classifi-cation: | H04R3/00;H03G3/00;H03G3/02 | ||
| Applicant(s) Name: | Rohm Co., Ltd. | Address: | |
| Inventor(s) Name: | |||
| Attorney & Agent: | shaoya li lixiao shu | ||
|
|
|
||
Abstract: |
|||
| In a sound volume circuit (100), an attenuation coefficient setting register (28) holds an attenuation coefficient | |||
|
|
|||
| Time: | 15 | ||
<- Previous Patent:Automatic current reduction biasi...
| Next Patent:Multi-level auto-gain control int... ->
|
|||