Wearable Camera Wireless Link Management via Image Detection

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Solution Overview

Problem

Wearable cameras face challenges in maintaining hands-free operability and energy efficiency when establishing and maintaining wireless communication with external devices, particularly due to limited battery capacity and size constraints, which are exacerbated when not in use.

Innovation Solution

A communication device with an image capturing unit, detection unit, and wireless communication unit that continuously detects external devices and controls wireless communication based on their presence, disconnecting when not needed to conserve energy while maintaining connection during use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wireless communication is continuously maintained to ensure hands-free operability, then ease of operation is improved, but energy consumption increases

Engineering Contradiction:
Improvehands-free operabilityVSAvoidbattery consumption
Core Design Contradiction:
Ease of operationVSUse of energy by moving object

Solution Approach 1:

The wireless communication unit dynamically adjusts its operation state between connected and disconnected based on detection results from the detection unit. When an external device is detected, the system transitions to a connected state for seamless communication. When no external device is detected for a predetermined period, the system transitions to a disconnected state to conserve energy, thus adapting the communication state to actual usage conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The detection unit continuously or periodically detects presence of external devices, and the control unit periodically reassesses whether to maintain or disconnect wireless communication based on detection results over predetermined time periods. This periodic detection and assessment mechanism ensures the system maintains communication only when necessary, balancing ease of operation with energy conservation.

Inventive Principle:
Principle #19Periodic action

2Weight of moving object

If the wearable camera is made smaller and lighter to meet wearable requirements, then weight and volume are improved, but battery capacity deteriorates

Engineering Contradiction:
Improvecamera weightVSAvoidbattery capacity
Core Design Contradiction:
Weight of moving objectVSUse of energy by moving object

Solution Approach 1:

The system dynamically controls wireless communication operation to match actual usage scenarios. By transitioning between connected and disconnected states based on external device detection, the system optimizes energy consumption without requiring additional battery capacity, thus maintaining the lightweight wearable design while ensuring sufficient power supply during active use.

Inventive Principle:
Principle #15Dynamics

3Use of energy by moving object

If wireless communication is disconnected to save energy when not in use, then energy efficiency is improved, but ease of operation deteriorates

Engineering Contradiction:
Improveenergy efficiencyVSAvoidconnection establishment
Core Design Contradiction:
Use of energy by moving objectVSEase of operation

Solution Approach 1:

The detection unit continuously monitors for external devices in advance, and when an external device is detected, the system proactively transitions to a connected state before communication is actually needed. This preliminary detection and preparation ensures that when the user intends to communicate, the connection is already established, maintaining ease of operation while allowing disconnection during extended idle periods for energy efficiency.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS9930193B2Communication device wirelessly communicating with external device, control method for communication device, and storage medium
Publication Date: 2018.03.27 CANON KK
  • US9930193B2 patent drawing
  • US9930193B2 patent drawing
  • US9930193B2 patent drawing

AI summary

A communication device includes an image capturing unit, a detection unit that continuously determines presence of an external device based on a image acquired by the image capturing unit, a first wireless communication unit that performs wireless communication, and a control unit that performs control so that processing for establishing wireless communication with the external device is started if the external device is detected by the detection unit, where the wireless communication with the external device is disconnected if the external device is not detected the wireless communication with the external device remains connected if the external device is detected again.