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Electronic diver's watch with a redundant analog display of the instantaneous depth

An electronic watch and watch technology, applied in the field of electronic watches, can solve problems such as endangering the health of divers and exceeding physiological limits.

Active Publication Date: 2007-01-31
ETA SA MFG HORLOGERE SUISSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Said out-of-synchronization may therefore endanger the diver's health, since the diver will dive based on erroneous data, which will lead to exceeding his physiological limits

Method used

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  • Electronic diver's watch with a redundant analog display of the instantaneous depth
  • Electronic diver's watch with a redundant analog display of the instantaneous depth
  • Electronic diver's watch with a redundant analog display of the instantaneous depth

Examples

Experimental program
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Embodiment Construction

[0018] Figure 1 shows an electronic diver's watch 10 according to the teachings of the present invention. The watch 10 comprises a water-resistant case 12, which may be of the type, for example, with a molded plastic back-middle part, comprising horns 14 for attaching a watch strap (not shown), and housing, inter alia, Watch movement 15 (in image 3 shown in ), a dial 16, a first hand 18 called the hour hand, and a second hand 20 called the minute hand.

[0019] The pointers 18, 20 are coaxial and driven to rotate about a central axis A1.

[0020] Case 12 is closed on its top face by a crystal 22 carrying a bezel 24 secured to its periphery. The bezel 24 is marked with a minute scale 26 extending from a first five-minute scale to a last sixty-minute scale with five minutes between two consecutive scales.

[0021] The watch 10 includes a control member 28, such as a stem-crown, which can be used as a push button in addition to its conventional turning purpose.

[0022] Such ...

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Abstract

The present invention proposes an electronic dive watch including a water resistant case containing a watch movement on which there is mounted a dial provided with at least one first and one second coaxial hand, each hand being driven independently by an associated motor, of the type wherein the watch movement includes an electronic circuit that controls the first and second hands in accordance with a first operating mode in which each hand indicates a distinct item of data and in accordance with a second operating mode, called the dive mode, in which at least the first hand indicates an instantaneous depth value (Pi), characterized in that, in the dive mode, the first and second hands are controlled such that they simultaneously indicate the same instantaneous depth value.

Description

technical field [0001] The present invention relates to an electronic watch including diving-specific functions. [0002] More specifically, the electronic diving watch according to the present invention is a watch of the type comprising a waterproof case containing a watch movement on which is mounted a dial provided with coaxial at least a first and a second pointer, each independently driven by an associated motor, wherein the watch movement includes an electronic circuit which controls the first and second pointers, in a first mode of operation each pointer indicates a different data item, in a second mode of operation called diving mode at least the first pointer indicates an instantaneous depth value. Background technique [0003] A watch of this type is disclosed, for example, in EP Patent No. 1396766A, which document is hereby incorporated by reference. In watches of this type in which a hand is used to display instantaneous depth, a stepper motor of the timepiece ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04B47/06G04C3/00G04G1/04G04G21/02
CPCG04G21/02G04C3/146
Inventor B·吉罗曼
Owner ETA SA MFG HORLOGERE SUISSE