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Electromechanical timepieces with additional functions

A technology of electromechanical clocks and watches, applied in the field of electromechanical clocks and watches

Active Publication Date: 2015-09-09
ETA SA MFG HORLOGERE SUISSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this strategy is limited by the space available on the face of the dial and the problem of the information provided by the watch remaining readable to the user

Method used

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  • Electromechanical timepieces with additional functions
  • Electromechanical timepieces with additional functions
  • Electromechanical timepieces with additional functions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The invention stems from the general inventive idea of ​​adding an indication of a time-related quantity or information not related to time to the back of a timepiece. Accordingly, on the back side of the timepiece there is provided an indicator hand mounted on an arbor integral with one of the current time display wheels, preferably the seconds wheel. In the current time display mode, the seconds wheel or in other words the seconds hand and the additional function indicator hand thus turn at the same angle at the same time. In the additional display indicator mode, the seconds hand is no longer driven by its motor to display the current time, but instead enables the additional hands to provide indications related to additional functions. The invention thus has two main advantages: firstly, it allows the indication of quantities related to additional functions to be added to the back cover of the timepiece, which frees up space on the dial. Thus, an indication of a lar...

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PUM

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Abstract

The timepiece has hour and minute hands that display current time on a dial side of timepiece. The timepiece provides portion of information related to time and non-time related portions of information. An indicator hand (38) displays the additional information. The indicator hand is mounted on back cover side of timepiece on arbor of gear train of timepiece, so that the indicator, hour and minute hands are rotated at same time and angle. The hour hand and minute hand is driven to display the current time and to enable the indicator hand to indicate the information.

Description

technical field [0001] The invention relates to an electromechanical timepiece provided with additional functions. More specifically, the invention relates to an electromechanical wristwatch capable of providing additional indications and displaying the current time. An example of such a watch is a solar watch that includes a rechargeable battery powered by a photovoltaic cell and is capable of providing its user with an indication of the state of charge of the battery. Another example of such a watch is a compass watch which, in addition to indicating the current time, also indicates to its user the direction of magnetic north. Background technique [0002] In the field of horology, there is a strong tendency to provide watches capable of displaying an ever-increasing number of indications. Therefore, present day timepieces usually provide an indication of the date, month and current year in addition to an indication of the current time, or are provided with a chronograph...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G04C10/00G04B13/00G04B19/04G04C3/00
CPCG04B47/066G04C10/04G04B19/06G04B37/0427
Inventor E·弗勒里A·扎内塔M·比斯格
Owner ETA SA MFG HORLOGERE SUISSE