Rocker Switch Display Integration for Compact Control
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Solution Overview
Problem
In cell phones and other electronic devices, the limited space for buttons and displays leads to inefficiencies in button control and increased susceptibility to accidental presses, as traditional rocker switches and soft keys consume valuable space and provide a small display area.
Innovation Solution
A compact four-way rocker switch with a display mounted on its upper surface, featuring a manipulator plate and retention clip to maintain the display position, which allows for vertical and corner actuations without accidental corner switch activation, and connects signals to an enabling device for circuit board input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a traditional rocker switch and separate display are used, then the display area is sufficient, but the space consumption is excessive and button control efficiency is reduced
Solution Approach 1:
The patent combines the display device and rocker switch into a single integrated unit, where the display is mounted on the manipulator plate of the switch. This merging eliminates the need for separate display and button areas, reducing overall space consumption while maintaining both display functionality and button control capabilities in a compact configuration
2Area of stationary object
If soft keys are used to reuse space, then space is saved, but the display area becomes smaller and accidental presses increase
Solution Approach 1:
By integrating the display directly onto the rocker switch manipulator plate, the invention creates a unified control element that eliminates the need for separate soft key areas. This integration maintains clear physical boundaries for button presses while providing adequate display space, thereby reducing accidental presses compared to traditional soft key implementations
Solution Approach 2:
The display is mounted on the upper surface of the manipulator plate, utilizing the vertical dimension rather than horizontal space. This dimensional approach allows the display and switch to occupy the same footprint area, saving space while maintaining distinct functional zones that reduce accidental presses
3Area of stationary object
If the display is mounted on the manipulator plate, then space is saved and display area is increased, but the structure becomes more complex
Solution Approach 1:
The display device is integrated with the rocker switch by mounting it on the manipulator plate, which serves as a common structural base. This merging approach consolidates two separate components into one unified structure, achieving space efficiency while the shared manipulator plate provides structural support that mitigates the increase in complexity
4Adaptability or versatility
If corner switches are enabled without proper control, then functionality is improved, but accidental corner activation occurs during vertical movement
Solution Approach 1:
The enabling device monitors the movement characteristics of the manipulator plate and provides feedback control to prevent accidental corner switch activation. By detecting the nature of the press (intended corner activation versus unintended activation during vertical movement), the system selectively enables or disables corner switch functionality, maintaining versatility while preventing errors
Data Source
AI summary
A rocker switch for a cell phone having a display mounted thereon. A five-position rocker switch, as is commonly used in cell phones, has a display device mounted directly thereon. The display indicates the function of the five switches, which may vary with time. Accordingly, different menus or levels of screens are possible. Contacts with the corner switches are disabled if movement is within 20 degrees of vertical to avoid erroneous inputs.