Haptic Output Device for Modular Computing Systems
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Solution Overview
Problem
Modular computing devices often lack haptic feedback capabilities, limiting user interaction and customization options.
Innovation Solution
A system that includes a modular computing device with a haptic output device capable of mechanically and electrically coupling with external modules, receiving haptic signals from a processor, and outputting haptic effects by tightening or loosening the coupling between the outer housing and external modules, using compliant materials like shape memory alloys or smart gels to modify the haptic experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If modular computing devices use interchangeable modules for customization, then adaptability is improved, but haptic feedback capability is lost
Solution Approach 1:
The mechanical coupling system is designed to perform multiple functions: it provides structural connection between modules and simultaneously transmits haptic feedback signals. The coupling mechanism between outer housing and modules serves both mechanical attachment and haptic signal transmission purposes, eliminating the need for separate haptic components in each module.
Solution Approach 2:
The mechanical coupling acts as an intermediary that transfers haptic feedback from the outer housing to the interchangeable modules. When the processor generates haptic feedback, it is transmitted through the mechanical coupling to the module, allowing haptic capability to be shared across all modules without embedding haptic actuators in each one.
2Reliability
If the system tightens or loosens mechanical coupling to output haptic effects, then haptic feedback is enabled, but device complexity increases
Solution Approach 1:
The mechanical coupling between the outer housing and modules is designed to be dynamically adjustable rather than fixed. The coupling strength can be varied by the processor to modulate haptic feedback intensity, allowing the same mechanical structure to serve both structural and haptic functions through dynamic control of coupling characteristics.
Solution Approach 2:
The system controls haptic feedback by changing parameters of the mechanical coupling, such as stiffness or damping characteristics. By adjusting these parameters, the processor can generate different haptic effects without adding complex mechanical components, using software-controlled modulation of existing mechanical properties.
3Measurement precision
If compliant materials like shape memory alloys are used to modify haptic effects, then haptic precision is improved, but manufacturing complexity increases
Solution Approach 1:
Compliant materials such as shape memory alloys are used to create mechanical couplings whose properties can be dynamically changed. These materials allow precise control of haptic feedback characteristics through parameter changes in the material itself, enabling fine-tuned haptic effects while maintaining a relatively simple overall structure that can be manufactured using conventional techniques.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables customizable and precise haptic feedback for modular devices, enhancing user interaction and device functionality by providing tactile sensations and resistance, improving the overall user experience.
Implementation Method 1
The outer housing includes a compliant material comprising a shape memory alloy, a smart gel, an electro-rheological fluid, or a magneto-rheological fluid, and wherein the processor is further configured to modulate a characteristic of the compliant material to modify an amplitude of the haptic effect
Implementation Method 2
The outer housing includes a compliant material comprising a shape memory alloy, a smart gel, an electro-rheological fluid, or a magneto-rheological fluid
Implementation Method 3
The outer housing includes a compliant material comprising a shape memory alloy, a smart gel, an electro-rheological fluid, or a magneto-rheological fluid
Implementation Method 4
The haptic output device is configured to generate the haptic effect, in part, by moving an external electronic module
Data Source
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AI summary
One illustrative haptic output device (118, 140, 802) disclosed herein includes a connector (804) configured to couple the haptic output device to a modular computing device (101). The modular computing device includes an outer housing (120) configured to mechanically and electrically couple with one or more external electronic modules (134, 136). The haptic output device also includes a receiver (806) configured to receive a haptic signal from a processor. The processor is configured to receive a signal; determine a haptic effect based in part on the signal; generate the haptic signal based on the haptic effect; and transmit the haptic signal. The haptic output device is configured to output the haptic effect responsive to receiving the haptic signal.