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World clock

A world clock and time zone technology, applied in the clock field, can solve impractical problems

Pending Publication Date: 2018-03-20
上海新天始化工包装科研所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem that the present invention solves is that the existing clocks are all 12-hour clocks, and all displayed are local time, which is not practical in airports, railway stations and other places

Method used

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0025] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

[0026] In the present i...

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PUM

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Abstract

The technical scheme of the invention discloses a world clock. Glass, a dial and a side case are successively arranged in a side case. Scales are evenly arranged on the circumferential position of thedial. A watch core is provided with a mandrel. The mandrel is sleeved by a turntable shaft. The turntable shaft runs through the dial. One end, which runs through the dial, of the turntable shaft issleeved by a turntable. The turntable is provided with a pointer which points to the scale of the dial. According to the invention, the existing 12-hour clock with the scales is converted to a 24-hourclock, and the turntable is added; the turntable is equally divided into 24 time zones; the pointer outside the turntable points to the scale of the dial, so that each country corresponding to each time zone observes the time corresponding to the country; a transition gear is added between a driving wheel and a driven wheel, and the radius of a transition main wheel is double the radius of the driving wheel; the radius of a transition secondary wheel is equal to the radius of the driven wheel; when the driving wheel rotates two rounds, the transition gear rotates one round, and the driven wheel rotates one round; and the turntable rotates one round.

Description

technical field [0001] The invention relates to the technical field of clocks, in particular to a world clock. Background technique [0002] Existing clocks are almost all in a 12-hour system, and two turns make 24 hours a day. Simultaneously, almost all the clocks in the whole world adopt the 12-hour clock, and the clocks all only display the local time. When it is necessary to judge the time of different countries at the same time, especially in various airports, railway stations and other places, passengers are not When timing needs to observe the time of the two places, the 12-hour clock cannot meet the demand. Contents of the invention [0003] The technical problem solved by the invention is that the existing clocks are all 12-hour clocks, and all displayed are local time, which is not practical in airports, railway stations and other places. [0004] In order to solve the above technical problems, the technical solution of the present invention provides a world cl...

Claims

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Application Information

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IPC IPC(8): G04B19/22G04B19/23G04B19/08G04B19/04
CPCG04B19/04G04B19/08G04B19/223G04B19/23
Inventor 徐磊张明德
Owner 上海新天始化工包装科研所
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