发明名称 |
Device for determining time differences |
摘要 |
The device consists of a double movable scale, moving with respect to time zones and making it possible to determine the local time at a specific place as a function of the known local time at another place and having regard to the seasonal variations due to the use of summer time. The device is of small size and can be mounted on keyrings. <IMAGE>
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申请公布号 |
FR2606914(A1) |
申请公布日期 |
1988.05.20 |
申请号 |
FR19860015971 |
申请日期 |
1986.11.13 |
申请人 |
BENARROUCH JACQUES;CAPY GILBERT |
发明人 |
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分类号 |
G09B29/14;(IPC1-7):G09B29/14;G04B19/22 |
主分类号 |
G09B29/14 |
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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