Electronic Pen Side Attachment for Interchangeable Switch Functions
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Solution Overview
Problem
Existing electronic pens with side switches are cumbersome to attach and detach, and users may prefer different types of side switch operation parts depending on their usage needs, with some preferring a less prominent design.
Innovation Solution
An electronic pen design featuring a cylindrical housing with a side opening that accommodates interchangeable side attachment members, including a cap member, side switch, and touch sensor, which can be easily attached and detached by inserting and pressing the member into the side opening, using a pressing mechanism for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the side switch is secured with screws to the main body, then the attachment is secure and reliable, but it takes time and effort to attach and detach the side switch
Solution Approach 1:
The side switch operation part is separated from the main body and can be independently attached and detached. The engagement part with protrusion and recess structure divides the attachment interface into complementary segments that connect precisely, enabling both secure attachment and quick detachment without screws
Solution Approach 2:
The engagement part has specific local features (protrusion and recess) that create a localized secure connection point. This localized engagement structure provides reliable attachment at the critical connection point while allowing the rest of the side switch to be easily removed
2Ease of operation
If the side switch protrudes conspicuously from the main body, then it is easily operable and visible, but it may not suit all users who prefer a less prominent design
Solution Approach 1:
The side switch operation part transitions from a fixed, permanent attachment to a dynamic, removable component. Users can adjust the prominence of the side switch by attaching it when operability is needed and removing it when a sleeker profile is preferred, making the design adaptable to different user needs and situations
Solution Approach 2:
The side switch operation part serves multiple functions: it provides easy operability when attached, maintains a sleek design when removed, and can be reattached when needed. This removable design makes the electronic pen adaptable to different user preferences and usage scenarios
3Device complexity
If a fixed side switch design is used, then the structure is simple, but it cannot accommodate different types of side switch operation parts for different input modes
Solution Approach 1:
The engagement part with its protrusion and recess structure serves as a universal interface that can accommodate different types of side switch operation parts. Whether for airbrush functions, text input, or other modes, the same engagement structure accepts various side switch configurations, providing versatility without requiring multiple different attachment mechanisms
Solution Approach 2:
The side switch operation part is segmented as a separate, interchangeable component rather than being integrated into the main body. This segmentation allows different types of side switches to be created and attached as needed, with each type optimized for specific input modes while sharing the same attachment interface
Data Source
AI summary
Provided is an electronic pen including a housing that is cylindrical and configured to incorporate an electronic pen function part that includes a circuit board. The housing has a side opening formed on a side surface of the housing. The side opening is configured to accommodate a side switch. The electronic pens also includes a side attachment member configured to be attached to the side opening of the housing. A first axial end of the side attachment member includes an engagement part that engages with the housing, and a second axial end of the side attachment member includes a pressed part. The housing incorporates a pressing mechanism part that presses the pressed part of the side attachment member attached to the side opening, toward the first axial end of the side attachment member.