| 发明名称 |
Credit card reader amplifier |
| 摘要 |
An amplifying device operative to sense changes in the speed of an encoded card as it is being read so as to be able to adjust the reading rate to compensateably follow said changes. The amplifying device is also able to differentially peak sense pulses read thereby disallowing noise transients.
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| 申请公布号 |
US4088879(A) |
申请公布日期 |
1978.05.09 |
| 申请号 |
US19750601667 |
申请日期 |
1975.08.04 |
| 申请人 |
BURROUGHS CORPORATION |
发明人 |
BANKA, EUGENE F.;THOMPSON, ROGER F. |
| 分类号 |
G06K7/016;G06K7/08;(IPC1-7):G06K7/08;G11B5/09;G06K7/10 |
主分类号 |
G06K7/016 |
| 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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