External Loop Stylus Retention for Computing Devices
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Solution Overview
Problem
Conventional methods for securing peripheral devices like styluses on computing devices, such as internal slots or lanyards, often increase device complexity, size, and interfere with user interaction, particularly in mobile configurations.
Innovation Solution
A peripheral retention device that secures to the computing device's housing using a flexible loop, allowing the device to lay flat while preventing the stylus from being lost, and can be attached to various locations including a kickstand, providing a strong yet non-intrusive retention mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an internal slot is used to store and retain the stylus through friction or push-push mechanism, then the stylus can be retained securely, but extra space and parts are required inside the device, increasing device complexity and overall size
Solution Approach 1:
The patent removes the internal slot mechanism from the device housing and replaces it with an external loop structure. The loop is attached to the outer surface of the housing, allowing the stylus to be retained externally without requiring internal space or complex internal mechanisms. This extraction of the retention function from the internal structure resolves the contradiction by maintaining stylus security while reducing device complexity and size.
Solution Approach 2:
The invention transitions from a two-dimensional internal slot (requiring depth and internal space) to a one-dimensional external loop (attached to the surface). By moving the retention mechanism to the external surface of the housing, the patent eliminates the need for internal volume while maintaining retention functionality, thus resolving the contradiction between secure retention and device compactness.
2Reliability
If a lanyard is used to retain the stylus, then the stylus can be retained, but the lanyard operates as an uncontrolled appendage that may get caught on other objects
Solution Approach 1:
The patent creates a simplified version of the lanyard concept by using a rigid or semi-rigid loop structure instead of a flexible cord. This loop copies the retention function of a lanyard but eliminates the problematic flexibility that causes entanglement. The loop maintains its shape and does not drape or get caught on objects, while still providing secure stylus retention through its structural form.
3Reliability
If a pen cap mechanism is used to retain the stylus, then the stylus can be retained, but the retention force is limited causing the pen to fall out
Solution Approach 1:
The patent combines the retention function with the housing structure itself rather than using a separate cap mechanism. The loop is integrated into or attached on the housing, distributing the retention force across the entire loop structure and the housing attachment points. This merging eliminates the limited force constraint of a small cap mechanism by utilizing the structural strength of the housing and the distributed geometry of the loop.
Data Source
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AI summary
Peripheral retention device techniques are described. In one or more implementations, a peripheral retention device includes a computing device securing portion and a peripheral securing portion. The computing device securing portion is configured to removably engage a computing device such that the computing device securing portion is securable to and removable from a first side of a housing the computing device using one or more hands of a user. The peripheral securing portion is connected to the computing device securing portion and configured to removably engage a peripheral device via a second side of the housing that opposes the first side of the housing such that the peripheral device is securable to and removable from the peripheral securing portion using one or more hands of a user.