CGM Body Attachment Power Switching Without Physical Buttons
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Solution Overview
Problem
Conventional continuous glucose monitoring devices require physical manipulation buttons for power initiation, leading to size constraints, potential malfunctions, and unstable power supply when attached to the body.
Innovation Solution
A body attachable apparatus for continuous glucose monitoring that initiates operation through light or touch inputs, eliminating the need for physical buttons and ensuring stable power supply by controlling the electrical connection between the battery and PCB using a connection control unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a physical operation button is formed at the body attachable apparatus for power initiation, then the apparatus can be controlled to operate, but the device size increases and malfunction risk increases when attached to the body
Solution Approach 1:
The patent replaces the mechanical physical button with an optical sensing system consisting of a light emitter and light receiver. The light emitter emits light that reflects off the user's finger to activate the power function, eliminating the need for mechanical protrusions that would increase device size and complicate the structure when attached to the body.
Solution Approach 2:
The patent introduces light as an intermediary medium between the user's finger and the power initiation function. Instead of direct mechanical contact through a button, the user's finger reflects light onto the light receiver, serving as an intermediary to transmit the activation signal without requiring physical button structure.
2Ease of operation
If a physical operation button is formed at the body attachable apparatus, then power can be initiated, but malfunctions may occur due to mishandling when attached to the body
Solution Approach 1:
The patent replaces the mechanical button system with an optical sensing system that detects light reflection from the user's finger. This eliminates the risk of accidental activation through mechanical contact while maintaining intentional operation, as the optical sensor requires precise light reflection conditions to activate power initiation.
Solution Approach 2:
The patent implements an optical feedback mechanism where the light receiver detects the reflection pattern from the user's finger. The system uses this feedback to confirm intentional activation, preventing malfunctions by ensuring that only deliberate finger-based light reflection triggers power initiation, rather than random mechanical contact.
3Ease of operation
If a physical operation button is used for power initiation, then the apparatus can be controlled, but stable power supply cannot be ensured when attached to the body
Solution Approach 1:
The patent replaces the mechanical button with an optical switching mechanism that provides more reliable and stable power supply control. The optical sensor system ensures consistent power initiation through controlled light detection, eliminating the variability and instability associated with mechanical button contact when the device is attached to the body.
Data Source
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AI summary
The present disclosure relates to a body attachment device for continuous glucose monitoring and, more particularly, to a body attachment device for continuous glucose monitoring characterized in that as a user command for applying operating power of the body attachment device is inputted by an optical method or a touch method, operation of the body attachment device can be controlled by easily initiating application of battery power not only before the body attachment device is attached to the body but also after the body attachment device has been attached to the body. In addition, as the operation of the body attachment device is controlled by light or touch, it is possible to prevent erroneous operation of the body attachment device that occurs when a user touches, by mistake, a physical operation button formed in the body attachment device while using the body attachment device. Furthermore, the operating power can be stably provided.