基本信息:
- 专利标题： IMPROVED CHARGE/DISCHARGE CONTROL CIRCUIT FOR AUDIO DEVICE
- 专利标题（中）：一种用于音频设备改进的充/放电控制
- 申请号：EP06774029 申请日：2006-06-27
- 公开(公告)号：EP1899974A4 公开(公告)日：2009-05-13
- 发明人： MCHUGH COLIN B , JOSEFSSON OLAFUR MAR
- 申请人： ANALOG DEVICES INC
- 专利权人： ANALOG DEVICES INC
- 当前专利权人： ANALOG DEVICES INC
- 优先权： US69510105 2005-06-29
- 主分类号： H03M1/08
- IPC分类号： H03M1/08
摘要：
A charge/discharge control circuit (10) for controlling current through an input/output audio device includes a first voltage reference (47); a second voltage reference(16) and a waveform generation circuit(52) responsive to the first and second voltage references for generating a multi-stage waveform profile which is approximately an inaudible waveform for suppressing audible artifacts in the input/output device.
IPC结构图谱:
| H | 电学 |
| --H03 | 基本电子电路 |
| ----H03M | 一般编码、译码或代码转换 |
| ------H03M1/00 | 模/数转换；数/模转换 |
| --------H03M1/06 | .连续地补偿或防止物理参量的有害影响 |
| ----------H03M1/08 | ..噪声的有害影响 |