Card Reader Bezel Width Direction Cover Parts Size Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional card readers have a restricted width dimension due to their design, which limits the size reduction of the front end portion where the bezel is disposed, making it difficult to accommodate cards efficiently.
Innovation Solution
The card reader design incorporates a bezel with width direction cover parts that cover both sides of the main body frame's front end portion, allowing both ends to be opened, and thickness direction cover parts that contact both ends of the frame front end parts, eliminating the need for fixing structures and simplifying the design while reducing the overall size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the conventional card reader design with closed frame front end parts is used, then the structural integrity is maintained, but the size of the front end portion cannot be reduced in the width direction
Solution Approach 1:
The bezel is segmented into multiple functional parts: width direction cover parts that cover the opened ends of the frame front end part, thickness direction cover parts that contact the frame front end parts, and a front face part. This segmentation allows the frame front end parts to be opened for size reduction while the cover parts maintain structural integrity.
Solution Approach 2:
The width direction cover parts and thickness direction cover parts are nested within the overall bezel structure, with the cover parts forming an integrated assembly that incorporates the opened frame front end parts. This nested arrangement maintains structural coherence while enabling size reduction.
2Ease of operation
If the frame front end parts are opened to reduce size, then the card insertion and extraction is facilitated, but additional fixing mechanisms are required to maintain stability
Solution Approach 1:
The width direction cover parts and thickness direction cover parts are merged into a single integrated bezel structure that simultaneously provides both size reduction and structural support functions. This merging eliminates the need for separate fixing mechanisms between the frame front end parts.
Solution Approach 2:
The cover parts of the bezel serve multiple functions: they structurally support the opened frame front end parts, guide card insertion and extraction, and maintain the overall integrity of the card reader. This multi-functionality eliminates the need for dedicated fixing mechanisms.
Data Source
AI summary
A card reader may include a main body frame having a card passage, and a bezel which having a card insertion port and attached to a front end side portion of the main body frame. In a case that a width direction of the card is referred to as a first direction and a portion of the main body frame which is covered by the bezel is referred to as a frame front end part, the bezel includes width direction cover parts respectively covering both sides in the first direction of the frame front end part, both ends in the first direction of the frame front end part are opened, and the frame front end part is structured so that side faces in the first direction of the card passage are structured by the width direction cover parts of the bezel which serve as guide faces for a card.