Touch Input Device With Mechanical Operating Unit For Vehicle Blind Control
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Solution Overview
Problem
Capacitive touchpads used in vehicles lack mechanical partitioning of touch areas, leading to erroneous operations, poor physical operability, and reduced user convenience due to the absence of blind control and intuitive manipulation.
Innovation Solution
A touch input device is designed with a detachable mechanical operating unit that includes movable touch buttons and a support body, providing physical operability and guiding mechanisms to restrict unintended forces, mounted on a touch sensing element with force sensors for accurate input detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a capacitive touchpad is used without mechanical partitioning, then the device structure remains simple, but operational accuracy deteriorates due to erroneous operations
Solution Approach 1:
The touch input device is divided into two functional modules: a capacitive touchpad for basic touch operations and a separate mechanical operating unit with physical buttons for precise input. This segmentation allows each component to specialize in its strength - the touchpad maintains simplicity while the mechanical unit provides operational accuracy through tactile feedback and physical partitioning of touch areas.
Solution Approach 2:
The patent combines the capacitive touchpad and mechanical operating unit into a single integrated device. The mechanical operating unit is positioned adjacent to the touchpad, creating a unified input interface that leverages both technologies. This merging allows the system to achieve high operational accuracy through the mechanical buttons while maintaining the overall simplicity of the touchpad interface.
2Ease of operation
If a capacitive touchpad is used without mechanical elements, then the device structure remains simple, but ease of operation deteriorates due to lack of blind control and physical operability
Solution Approach 1:
The input device is segmented into a capacitive touchpad area and a mechanical operating unit with physical buttons. This segmentation allows users to perform blind control operations using the mechanical buttons, which provide tactile feedback and physical operability, while the touchpad handles visual interaction tasks.
Solution Approach 2:
The mechanical operating unit acts as an intermediary between the user and the system, providing physical buttons that can be operated without visual assistance. These mechanical elements serve as a mediator that translates user intent into precise digital inputs, enhancing ease of operation for blind control scenarios.
3Reliability
If a capacitive touchpad is used without mechanical partitioning, then the device structure remains simple, but reliability deteriorates due to erroneous operations
Solution Approach 1:
The device is segmented into distinct functional zones: the capacitive touchpad for general touch operations and the mechanical operating unit with physically separated buttons for precise input. This spatial segmentation prevents erroneous operations by providing clear tactile boundaries between different input areas, thereby improving input accuracy and reliability.
Solution Approach 2:
The patent partially replaces the capacitive touch interface with a mechanical button interface for critical input operations. By substituting the purely capacitive system with mechanical elements that provide physical feedback and tactile distinction, the system achieves higher reliability for operations requiring precise input recognition.
Data Source
AI summary
A touch input device includes a touch sensing element having at least two input parts partitioned by at least one partition line, a plurality of force sensors mounted on a bottom surface of the touch sensing element, and at least one support member mounted on the bottom surface of the touch sensing element to provide reaction force to an elastic sensing element in a vertical direction and serving as the partition line. In at least one of the two input parts, a moment based on a shearing force may be canceled by the support member.