Electronic timepiece comprising Dewar device

An electronic watch and Dewar technology, applied in the field of electronic watches, can solve problems such as not being able to withstand extreme temperatures, and achieve the effect of rationalization of cost and reasonable complexity

Pending Publication Date: 2022-08-02
OMEGA SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is known in the art that some of these elements cannot withstand extreme temperatures and stop functioning properly at these temperatures

Method used

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  • Electronic timepiece comprising Dewar device
  • Electronic timepiece comprising Dewar device
  • Electronic timepiece comprising Dewar device

Examples

Experimental program
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Embodiment Construction

[0020] Figures 1 to 3 An electronic timepiece 2 according to the present invention is shown. The electronic watch 2 includes a bracelet 4 and a watch case 6 . Without limitation within the scope of the present invention, the electronic watch 2 is, for example, a quartz watch.

[0021] The watch case 6 typically includes at least one electrical or electronic element 8a-8g. exist Figures 1 to 3 In the particular alternative embodiment of the watch shown, the watch case 6 comprises seven electrical or electronic elements 8a-8g which form the sensitive parts of the watch 2 . Obviously, the watch case 6 may comprise more electrical or electronic elements than those shown in these figures, or may comprise only a subset of the elements 8a-8g. In these alternative embodiments, the watch case 6 thus comprises, for example, a display device 8a, a processor 8b, a memory 8c, an electrical storage element 8d, a motor 8e, an integrated circuit 8f and an electronic oscillator 8g.

[0...

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PUM

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Abstract

The invention relates to an electronic timepiece (2) comprising a bracelet (4) and a case (6) comprising at least one electrical or electronic component (8a-8 g), said timepiece comprising at least one Dewar device (10) configured to accommodate at least one of said electrical or electronic components (8a-8 g), said at least one Dewar device (10) comprising an inner wall and an outer wall (12a, 12b), and an inner wall (12a, 12b) defined between the walls (12a, 12b) and a vacuum or quasi-vacuum space (16) defined between the walls (12a, 12b), the inner wall (12a) delimiting a space (14) in which the at least one electrical or electronic component (8a-8g) can be arranged.

Description

technical field [0001] The present invention relates to an electronic watch including a Dewar device, which is particularly suitable for operation at extreme temperatures. Such an electronic watch is, for example, a quartz watch. Background technique [0002] An electronic watch typically includes a bracelet and a case that includes a number of electrical or electronic components. It is known in the art that some of these components cannot withstand extreme temperatures and cease to function properly at these temperatures. Typically, LCD (Liquid Crystal Display) screens use light emitting diodes or quartz and can withstand temperatures not exceeding about 80°C (degrees Celsius) and not lower than 0°C. However, in certain environments such as space or lunar missions, temperatures often reach values ​​around -150°C to +125°C. [0003] Therefore, there is a need for an electronic timepiece that is equipped with a watch case that includes one or more electronic components and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B37/02
CPCG04B37/02G04B43/005G04G17/08G04G17/04
Inventor E·弗兰西
Owner OMEGA SA
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