Smart Card Release Mechanism for Handheld Devices
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional smart cards in handheld communication devices are difficult to remove due to limited space, often requiring force that can damage the card or the device, especially in miniature size formats.
Innovation Solution
A release mechanism featuring a slidingly coupled release arm that interacts with the smart card receiver, allowing for easy insertion and removal of the smart card by sliding between seated and unseated positions, utilizing polyoxymethylene for quiet and low-friction operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a smart card is retained securely in a handheld communication device with limited space, then the device maintains compact dimensions and card stability, but the card becomes difficult to remove and may require excessive force that can cause damage
Solution Approach 1:
The patent implements a dynamic retention system where the smart card can exist in two states: a first position where the card is retained securely by engagement between the card and receiver, and a second position where the card is released for removal. This dynamic switching between retention and release states resolves the contradiction by providing both secure retention during use and easy removal when needed, without requiring excessive force in either state
2Ease of operation
If downward pressure is applied to remove a smart card in limited space, then the card can be extracted, but the card or device may be damaged
Solution Approach 1:
The release mechanism provides a controlled dynamic path for card removal through the transition from first position to second position. This controlled movement eliminates the need for uncontrolled downward pressure that could cause damage, while still enabling easy card extraction through the defined release motion
Solution Approach 2:
The patent introduces a release mechanism as an intermediary component between the user and the smart card. This intermediary provides a controlled interface for card removal, replacing direct force application on the card with a mediated release process that protects both the card and device from damage while enabling easy extraction
Data Source
AI summary
A smart card receiving assembly for a handheld communication device includes a housing, a release arm, and a smart card receiver. The housing forms an access compartment for receiving a battery and a smart card. The release arm is slidingly coupled to the housing and includes an extension extending downward. The smart card receiver is adapted to receive a smart card and includes a channel adapted to receive the extension. The smart card receiver can be made of metal to provide rigidity to the handheld communication device. When the release arm is moved from a first position to a second position, the extension can force the smart card from a seated position to an unseated position with the smart card sliding at least partially out of the smart card receiver and into the access compartment.