Waterproof Camera System Buoyancy Design for Dual-Mode Imaging

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Solution Overview

Problem

Conventional waterproof camera systems require time to switch between underwater and overwater image pickup modes, as they need to exchange float members to adjust the camera's position on the water surface.

Innovation Solution

A waterproof camera system design that includes a dual-housing structure for the image pickup apparatus, with a waterproof casing that provides buoyancy to allow the system to float on the water surface in both underwater and overwater modes without the need for float member exchange.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a conventional waterproof camera system uses a float member to enable overwater image pickup, then the camera can float on the water surface, but time is needed to exchange the float member when switching between underwater and overwater image pickup modes

Engineering Contradiction:
Improveimage pickup mode versatilityVSAvoidfloat member exchange time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent combines the float member functionality directly into the waterproof casing structure. The waterproof casing itself serves as the floating device, eliminating the need for separate float members. This merging of functions allows the camera to maintain floating capability in both underwater and overwater modes without requiring component exchange.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The waterproof casing is designed to perform multiple functions: it provides waterproof protection for the camera and simultaneously serves as the buoyant floating device. This multi-functional design enables the system to operate in both underwater and overwater environments without requiring different specialized components, thereby eliminating exchange time while maintaining versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If a waterproof camera system is designed for underwater image pickup with a float member, then underwater supervision is enabled, but the system cannot easily perform overwater image pickup without exchanging components

Engineering Contradiction:
Improveenvironmental adaptabilityVSAvoidsystem configuration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the float member functionality into the waterproof casing structure. The waterproof casing itself serves as the floating device, eliminating the need for separate float members. This merging of functions allows the camera to maintain floating capability in both underwater and overwater modes without requiring component exchange.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The waterproof casing is designed to perform multiple functions: it provides waterproof protection for the camera and simultaneously serves as the buoyant floating device. This multi-functional design enables the system to operate in both underwater and overwater environments without requiring different specialized components, thereby eliminating exchange time while maintaining versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Enables seamless transitions between underwater and overwater image pickup, reducing setup time and allowing stable image capture in both environments without the need for float member exchange.

Implementation Method 1

the waterproof camera system has buoyancy that floats the waterproof camera system on a water surface in both a first posture in which the first section of the waterproof casing is in an underwater side and a second posture in which the first section is in an overwater side

Methodology Applied
Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Data Source

PatentUS12265314B2Waterproof camera system and waterproof casing
Publication Date: 2025.04.01 CANON KK
  • US12265314B2 patent drawing
  • US12265314B2 patent drawing
  • US12265314B2 patent drawing

AI summary

A waterproof camera system that can easily perform underwater image pickup and overwater image pickup. The waterproof camera system includes an image pickup apparatus, a waterproof casing that hermetically stores the image pickup apparatus. The image pickup apparatus includes a first housing that includes a lens unit and a second housing that holds the first housing. The waterproof casing includes a first section that surrounds a circumference of the first housing and a second section that surrounds a circumference of the second housing. The waterproof camera system has buoyancy that floats the waterproof camera system on a water surface in both a first posture in which the first section of the waterproof casing is in an underwater side and a second posture in which the first section is in an overwater side in a state where the image pickup apparatus is stored.