| 发明名称 |
SIGNAL TRANSFER DEVICE HAVING A TRANSFER CHARACTERISTIC WHICH IS ADJUSTABLE IN STEPS |
| 摘要 |
<p>12 A step-controlled attenuator circuit which, in order to avoid audible switching clicks in audio equipment, employs current-controlled switches, a switch to be switched on being turned on by means of a gradually increasing control current and the switch to be switched off being turned off by means of a gradually decreasing control current.</p> |
| 申请公布号 |
CA1184262(A) |
申请公布日期 |
1985.03.19 |
| 申请号 |
CA19820393712 |
申请日期 |
1982.01.07 |
| 申请人 |
N.V. PHILIPS'GLOEILAMPENFABRIEKEN |
发明人 |
VAN KESSEL, THEODORUS J.;DIJKMANS, EISE C.;VAN UDEN, ALBERTUS J.P.M. |
| 分类号 |
H03G3/02;G11B20/04;H03G3/00;H03G3/10;H03K17/62;(IPC1-7):H03H11/24;H03H7/24 |
主分类号 |
H03G3/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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