Extendible Support Assembly for Smart Bracelet Display
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Solution Overview
Problem
Existing smart bracelets have fixed display sizes less than 2 inches, failing to meet user demands for both miniaturization and larger screen viewing requirements.
Innovation Solution
A trigger device for a smart bracelet display device that includes a controller, an extendible support assembly, and a drive assembly, allowing the screen assembly to be selectively expanded or retracted based on the contacting state of first and second contacts, enabling normal operation of the display region.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the display device is miniaturized for portability, then the device size is reduced, but the screen viewing area becomes too small
Solution Approach 1:
The patent implements a dynamic display structure where the screen assembly can be extended or retracted relative to the housing. The support assembly allows the screen to transition between a retracted state (for compact portability) and an extended state (for larger viewing area), making the display device adaptable to different usage scenarios rather than fixed in one configuration.
Solution Approach 2:
The screen assembly is nested within the housing when retracted, with the support assembly allowing it to be stored inside the main body. This nesting arrangement enables the large screen to be compacted within the small form factor of the housing, resolving the contradiction between device size and screen area.
2Area of stationary object
If the screen assembly is extended to increase display area, then the viewing area is enlarged, but the device dimension increases
Solution Approach 1:
The display device transitions from a static to a dynamic structure, where the screen assembly can be extended along the longitudinal direction of the housing. This dynamic extension allows the device to provide a larger display area only when needed, while maintaining a compact dimension during normal portable use.
Solution Approach 2:
Instead of increasing the screen area by expanding the housing in multiple directions, the patent extends the screen along the longitudinal dimension of the housing. This one-dimensional extension approach minimizes the increase in overall device dimension while achieving the goal of enlarging the display area.
3Adaptability or versatility
If a fixed display size is used, then the device structure is simple, but it cannot satisfy both miniaturization and big screen requirements
Solution Approach 1:
The patent transforms the fixed display structure into a dynamic one with movable screen assembly supported by an extendible support mechanism. This dynamic structure enables the device to adapt between compact and expanded display modes, providing versatility in display size while managing structural complexity through a well-defined mechanical system.
Data Source
AI summary
A trigger device is provided. The trigger device includes a controller, a screen assembly, an extendible support assembly operable to support the screen assembly, and a drive assembly operable to drive the support assembly. The drive assembly is provided with a first contact, and the support assembly is provided with a second contact movable relative to the second contact. During retraction or extension of the support assembly, the first contact and the second contact move relative to each other between a contacting state and a separating state. The controller determines whether the support assembly is in the retraction state or the extension state according to the contacting state or the separating state of the first contact and the second contact, so as to control display of the screen assembly. A smart bracelet is further provided.