Electronic Pen Side Switch Assembly With PCB Protection
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Solution Overview
Problem
Existing electronic pens with side switches face issues of cumbersome attachment and detachment, exposure of circuit boards leading to potential damage from dirt and static electricity, and limited usability due to protrusion of the side switch unit.
Innovation Solution
An electronic pen design featuring a cylindrical housing with a side opening for push switches, a board protection member covering the circuit board, and a side attachment member with movable parts to push the switches, ensuring reliable operation and protection of the circuit board even when the side switch is detached.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the side switch operation part is detachably attached to the main body using tensioning screws, then the side switch unit can be firmly attached, but the attachment and detachment process becomes time-consuming and troublesome
Solution Approach 1:
The side switch operation part is divided into separate functional components that can be independently attached and detached. The tensioning screws are positioned to allow quick engagement and disengagement, segmenting the attachment process into simple steps that reduce time while maintaining firm connection during use.
Solution Approach 2:
The attachment mechanism transitions from a static, permanent fixation to a dynamic, reversible connection. The tensioning screws enable the side switch unit to be easily attached and detached according to usage needs, providing flexibility while ensuring firm attachment when engaged.
2Ease of operation
If the side switch operation part significantly protrudes from the main body, then some users prefer the enhanced operability, but other users want a compact design without excessive protrusion
Solution Approach 1:
The side switch operation part's protrusion is made dynamic and adjustable. Users can attach the side switch unit when enhanced operability is needed and detach it when a compact design is preferred. The tensioning screws enable quick transitions between these states, accommodating different user preferences and usage scenarios.
Solution Approach 2:
The detachable side switch operation part serves multiple functions: it provides enhanced operability when attached and maintains compactness when detached. The same attachment mechanism accommodates both design preferences, making the pen adaptable to different user needs without compromising either operability or compactness.
3Adaptability or versatility
If the side switch operation part is detached from the main body, then the side switch functions are no longer needed, but the exposed electrodes and circuit board become vulnerable to dirt and static electricity
Solution Approach 1:
The circuit board is pre-protected with protective measures before the side switch operation part is detached. This ensures that even when detached, the circuit board remains shielded from dirt and static electricity, maintaining reliability while preserving the flexibility to attach and detach the side switch unit as needed.
Data Source
AI summary
Provided is an electronic pen that includes a circuit board including one or more push switches, a housing having a cylindrical body in which an electronic pen circuit including the circuit board is mounted, the housing including a side opening at a position corresponding to a range in which the one or more push switches are provided on the circuit board mounted at a predetermined position, a board protection member including a main body part and one or more depression parts, and a side attachment member including a plate part and one or more push parts. When one of the one or more push parts of the side attachment member is pushed down, a corresponding one of the one or more push switches on the circuit board is pushed down via a corresponding one of the one or more depression parts of the board protection member.