Device for displaying series of periodic events that form annual cycle and timepiece comprising such display device

A display device, periodic technology, applied to mechanical devices indicating time, visually indicating time, mechanically driven clocks, etc., can solve problems such as a large number of parts

Active Publication Date: 2020-06-30
ETA SA MFG HORLOGERE SUISSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, differentials are known to require a large number of parts and are too finely tuned

Method used

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  • Device for displaying series of periodic events that form annual cycle and timepiece comprising such display device
  • Device for displaying series of periodic events that form annual cycle and timepiece comprising such display device
  • Device for displaying series of periodic events that form annual cycle and timepiece comprising such display device

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Embodiment Construction

[0041] The present invention follows from a general inventive concept consisting in providing a device that allows to display, in an equal and continuous manner, periodic events that form annual cycles and whose duration is unequal. To this end, the invention provides a display device comprising a cam driven by date and month indicator means and which cam pre-positions the lever at the end of each month if necessary so that when a period from When a recurring event transitions to the day of the immediately following recurring event, the display widget displays the related recurring event. Thanks to these features, the invention therefore provides a means for displaying periodic events forming a yearly cycle, which is continuously repositioned according to the day of the month in which the periodic event under consideration begins. Periodic events that do not necessarily occur successively in time can thus be displayed in a regular manner, which is imperceptible to the owner of...

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Abstract

The invention relates to a device (1) for displaying series of periodic events that form an annual cycle. The display device (1) comprises a periodic events indicator member (2) and a mechanism (4) for managing a duration during which the periodic events are displayed by the periodic events indicator member (2). The management mechanism (4) includes a cam (8) for managing a duration during which the periodic events are displayed, a periodic driver (10) for driving the management cam (8) and a member (6) disposed between the management cam and the periodic events indicator member and arranged such that the member drives the periodic events indicator member (2) during a change in event. The invention particularly relates to a device for displaying the periods of the zodiac. The invention also relates to a timepiece comprising the device for displaying series of periodic events.

Description

technical field [0001] The invention relates to a device for displaying a series of periodic events forming an annual cycle. In particular, the invention relates to a device for displaying the periods of a series of zodiac signs. The invention also relates to a timepiece comprising such a display device. Background technique [0002] The annual cycle can be divided into a certain number of periods, each containing the same number of days or a different number of days. [0003] For example, the twelve-month annual cycle may be divided into twelve periods, each period corresponding to one of the signs of the zodiac. The peculiarity of these zodiac periods is that they vary in duration: more specifically, these durations range from 29 to 32 days. Furthermore, the transition from one zodiac period to the next occurs between the 20th and 23rd of the month concerned, depending on the duration of the zodiac sign in question. For example, the zodiac period corresponding to the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B19/253G04B19/24
CPCG04B19/25333G04B19/241G04B19/25353G04B19/262G04B19/2532G04B19/2536
Inventor S.巴赫曼
Owner ETA SA MFG HORLOGERE SUISSE
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