发明名称 |
Electronic calculator with time display function |
摘要 |
An electronic calculator with a time display function which is operable in either a calculator mode, a clock mode or a world clock mode is disclosed. The calculator includes a calculator section for performing basic arithmetic calculations. An input unit is provided for supplying input data and country codes to the calculator section and a time unit signal generator is provided for supplying a time unit signal to the calculator section. The calculator section includes an arithmetic part for carrying out at least the four basic arithmetic calculations; a memory part for storing the output of the arithmetic part, a control part for controlling the arithmetic part and the memory part, and a common display for displaying the contents of the memory. The memory part further includes a time information register means used for storing a reference time of a predetermined standard country and an arithmetic register means used for carrying out the aforementioned basic arithmetic calculations when the calculator is operating in the calculator mode.
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申请公布号 |
US4245323(A) |
申请公布日期 |
1981.01.13 |
申请号 |
US19790007016 |
申请日期 |
1979.01.26 |
申请人 |
COPAL CO., LTD. |
发明人 |
YAMAZAKI, MASARU;FUJIMOTO, KUNIMITSU |
分类号 |
G04B19/22;G04B47/00;G04G9/00;(IPC1-7):G04B19/22 |
主分类号 |
G04B19/22 |
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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