Diver Wristcomputer Acoustic Resonator Integration

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Solution Overview

Problem

Existing wrist computers for divers face challenges in testing the electronic components, including the acoustic resonator, after sealing, due to preconceived ideas about its positioning, leading to increased thickness, cost, and limited usability as a sports watch.

Innovation Solution

The acoustic resonator is housed directly in the electronic module, allowing for pre-sealing testing and powered by connectors within the module, enabling efficient operation even with flexible elements and high voltages, and positioned in contact with the backlight element for enhanced sound intensity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the acoustic resonator is positioned in a dedicated seat inside the lower case or cover housing the battery, then the resonator can be kept at a distance from the backlight element, but the wrist computer thickness increases and testing can only be performed after sealing

Engineering Contradiction:

Improvetesting capabilityVSAvoidwrist computer thickness

Core Design Contradiction:

ReliabilityVSLength of stationary object

Solution Approach 1:

The acoustic resonator is integrated directly into the electronic board assembly rather than being housed in a separate dedicated seat in the lower case or battery cover. This merging of components allows the resonator to be positioned in contact with the electronic board, enabling pre-sealing testing while avoiding the thickness increase associated with separate housing solutions.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The electronic board is segmented to include both the electronic circuitry and the acoustic resonator as integrated components. This segmentation allows the resonator to be positioned directly on the electronic board within the available space, eliminating the need for separate housing and enabling testing before final assembly and sealing.

Inventive Principle:

Principle #1Segmentation

2Reliability

If the acoustic resonator is positioned in contact with a rigid surface in the case or cover, then the resonator can perform its functions satisfactorily, but the device complexity increases due to dedicated housing

Engineering Contradiction:

Improveresonator functionVSAvoidhousing structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The acoustic resonator is merged with the electronic board assembly, using the electronic board itself as the mounting surface. This eliminates the need for separate dedicated housing structures in the lower case or battery cover, reducing device complexity while maintaining the resonator's functional requirements through direct contact with the rigid electronic board surface.

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If the acoustic resonator is positioned in a dedicated seat, then the resonator can be separated from the backlight element, but the overall size and thickness of the wrist computer increases

Engineering Contradiction:

Improveelectronic component testingVSAvoidwrist computer size

Core Design Contradiction:

ReliabilityVSVolume of moving object

Solution Approach 1:

The acoustic resonator is combined with the electronic board and display assembly, utilizing the existing structural components rather than requiring separate dedicated seating. This integration allows the resonator to be positioned within the existing footprint of the wrist computer, avoiding volume increase while enabling complete electronic component testing before sealing.

Inventive Principle:

Principle #5Merging (Combining)

4Object-generated harmful factors

If a larger acoustic resonator is provided, then the sound intensity increases, but the wrist computer thickness increases

Engineering Contradiction:

Improvesound intensityVSAvoidwrist computer thickness

Core Design Contradiction:

Object-generated harmful factorsVSLength of stationary object

Solution Approach 1:

The acoustic resonator is integrated directly onto the electronic board within the existing wrist computer footprint, rather than requiring increased thickness through separate housing. This allows a larger resonator surface area for improved sound intensity while maintaining the compact form factor suitable for both diving and sports watch applications.

Inventive Principle:

Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This design allows for efficient testing and reduced thickness, enabling the wrist computer to be both functional for diving and wearable as a sports watch, with improved sound emission intensity and reduced costs associated with testing failures.

Implementation Method 1

The function of the acoustic resonator is to emit acoustic signals with a certain intensity when submerged

Methodology Applied

Scientific EffectAcoustic resonance: Resonance

Data Source

PatentEP2853960B1Wristcomputer for divers

Publication Date: 2020.06.17 CRESSI SUB

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AI summary

A wrist computer for divers, comprising a lower case (1), a power-supply battery (12) and an electronic module (13) equipped with at least one electronic board (15) for data processing, a display (3) for displaying data and a backlight element (18) associated with said display (3), said electronic module (13) being houseable in said case (1) in a sealed manner, and said electronic board (15) and said backlight element (18) being powered by said battery (12), characterized in that it comprises an acoustic resonator (19) positioned inside said electronic module (13) and in contact with said backlight element (18), said resonator (19) being electrically powered through said electronic board (15).