发明名称 |
SCAN-CONTROLLED KEYBOARD |
摘要 |
<p>A keyboard having a matrix arrangement of analog keyswitches arranged along column conductors leading from a driver chip and row conductors leading to a detector chip. The driver chip has a strobe line and multiple address lines adapted to connect to a controller. The column conductors are sequentially pulsed by the driver chip. The detector chip has a strobe line common to that of the driver chip and a multiple line data bus for directing keyboard signals simultaneously from the several row columns.</p> |
申请公布号 |
CA1155963(A) |
申请公布日期 |
1983.10.25 |
申请号 |
CA19810369101 |
申请日期 |
1981.01.22 |
申请人 |
KEY TRONIC CORPORATION |
发明人 |
SONDERMAN, EDWARD L.;DAVIS, WALTER Z. |
分类号 |
G06F3/02;G06F3/033;G06F3/044;H03K17/98;H03M11/20;(IPC1-7):G06F3/02 |
主分类号 |
G06F3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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