发明授权
- 专利标题： Scientific calculator
- 专利标题（中）： 科学计算器
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申请号： US566142申请日： 1975-04-08
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公开(公告)号： US4035627A公开(公告)日： 1977-07-12
- 发明人: Peter D. Dickinson , Thomas E. Osborne , France Rode , Allen J. Baum
- 申请人： Peter D. Dickinson , Thomas E. Osborne , France Rode , Allen J. Baum
- 申请人地址： CA Palo Alto
- 专利权人： Hewlett-Packard Company
- 当前专利权人： Hewlett-Packard Company
- 当前专利权人地址： CA Palo Alto
- 主分类号： G04F10/04
- IPC分类号： G04F10/04 ; G04G99/00 ; G06F15/02 ; G04B47/00 ; G06F15/20
摘要：
A battery powered hand-held calculator for performing arithmetic, triganometric and logarithmic functions and displaying the results thereof is provided with a clock mode which performs the function of a clock and displays real time or the function of a stopwatch and stores and displays the times at which recorded events have taken place.
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