Multi-function Control Knob for Vehicle Multimedia Systems

Solution Overview

Problem

The complexity and increasing cost of manufacturing audio faceplates in vehicles due to the addition of multiple functions necessitate a user-friendly and cost-effective design for multimedia system controls.

Innovation Solution

A multi-function control knob that operates in multiple modes, switching between them via double actuation or continuous press, sending distinct control signals for various multimedia operations, thereby simplifying the audio faceplate design and reducing manufacturing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple buttons, knobs, and switches are added to the audio faceplate to provide more functions, then the functionality and versatility of the multimedia system is improved, but the device complexity and manufacturing cost increase

Engineering Contradiction:

ImprovefunctionalityVSAvoiddesign complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The control knob is designed to perform multiple functions including volume control, track selection, mode switching, and other multimedia operations. By making the knob universal and multi-functional, the patent reduces the number of separate controls needed on the audio faceplate, thereby simplifying the overall design while maintaining or enhancing functionality

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple control functions into a single control knob. Instead of having separate buttons and knobs for different operations, the invention merges these functions into one integrated control mechanism that can be actuated in different ways (rotated, pressed, held) to achieve various control objectives

Inventive Principle:

Principle #5Merging (Combining)

2Adaptability or versatility

If multiple buttons, knobs, and switches are added to the audio faceplate to provide more functions, then the functionality and versatility of the multimedia system is improved, but the manufacturing cost increases

Engineering Contradiction:

ImprovefunctionalityVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The control knob is designed to perform multiple functions including volume control, track selection, mode switching, and other multimedia operations. By making the knob universal and multi-functional, the patent reduces the number of separate controls needed on the audio faceplate, thereby simplifying the overall design while maintaining or enhancing functionality

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple control functions into a single control knob. Instead of having separate buttons and knobs for different operations, the invention merges these functions into one integrated control mechanism that can be actuated in different ways (rotated, pressed, held) to achieve various control objectives

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If more controls are added to the audio faceplate, then more functions are available, but driver distraction and operational complexity increase

Engineering Contradiction:

Improvenumber of functionsVSAvoiduser operation friendliness

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent combines multiple control functions into a single control knob. Instead of having separate buttons and knobs for different operations, the invention merges these functions into one integrated control mechanism that can be actuated in different ways (rotated, pressed, held) to achieve various control objectives

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The control knob is designed to perform multiple functions including volume control, track selection, mode switching, and other multimedia operations. By making the knob universal and multi-functional, the patent reduces the number of separate controls needed on the audio faceplate, thereby simplifying the overall design while maintaining or enhancing functionality

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS10289217B2Multi-function control knobs for multimedia systems of vehicles

Publication Date: 2019.05.14 TOYOTA MOTOR ENG & MFG NORTH AMERICA INC

AI summary

A multimedia system for a vehicle is provided. The multimedia system includes a processor and a multi-function control knob communicatively coupled to the processor. The multi-function control knob is configured to provide control signals to the processor such that the multi-function control knob operates in a first mode or a second mode and switch between the first mode and the second mode in response to a double actuation of the multi-function control knob. The multi-function control knob sends a first control signal to the processor in response to a single actuation of the multi-function control knob while operating in the first mode, sends a second control signal to the processor in response to a single actuation of the multi-function control knob while operating in the second mode, sends a third control signal to the processor in response to a rotation of the multi-function control knob while operating in the first mode, and sends a fourth control signal to the processor in response to a rotation of the multi-function control knob while operating in the second mode.