发明名称 |
Two speed shift register for electronic calculator or microprocessor system |
摘要 |
An electronic calculator or microprocessor system of the type preferably having keyboard input and a visual display is provided with a semiconductor chip having an arithmetic unit, a memory register and a dual speed shift register, the dual speed shift register being responsive to control signals generated on the chip for controlling the memory register to selectively read out a first or second number of digits of data stored therein to an input of the arithmetic unit.
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申请公布号 |
US4079459(A) |
申请公布日期 |
1978.03.14 |
申请号 |
US19760736003 |
申请日期 |
1976.10.27 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
GRANT, JR., DECEASED, CHARLES P. |
分类号 |
G06F9/315;G06F15/02;(IPC1-7):G06F15/00 |
主分类号 |
G06F9/315 |
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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