Single Haptic Display Vibration Encoding for Multiple Data Types
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Solution Overview
Problem
Existing haptic displays require users to hold devices or have multiple displays affixed to their skin, limiting their use in noisy environments and requiring multiple devices for conveying multiple types of information.
Innovation Solution
A method and system for controlling a haptic display that uses a single haptic device to convey multiple types of information by associating different data types with distinct vibration features, such as tempo, count, frequency composition, and intensity of vibration pulses, allowing concurrent information delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple haptic displays are used to convey multiple types of information, then information delivery capability is improved, but device complexity and user burden increase
Solution Approach 1:
The patent applies multi-functionality by enabling a single haptic display to convey multiple types of information simultaneously through distinct vibration features. Each data type (e.g., heart rate, blood pressure, oxygen saturation) is mapped to a different vibration feature such as tempo, intensity, frequency composition, or pulse count, allowing one device to perform the function of multiple separate haptic displays.
Solution Approach 2:
The patent utilizes parameter changes by varying different vibration parameters (tempo, intensity, frequency composition, pulse count) to encode different data types. By changing these vibration features dynamically, the system can represent multiple pieces of information through a single haptic actuator without requiring multiple physical devices.
2Loss of information
If multiple haptic displays are positioned at various specific locations on a user, then information delivery capability is improved, but ease of operation deteriorates
Solution Approach 1:
The patent enables a single haptic display to serve multiple information delivery functions simultaneously by encoding different data types in different vibration features, eliminating the need for users to wear or hold multiple devices at various body locations.
Solution Approach 2:
The patent merges multiple information delivery functions into a single haptic display device. By combining multiple data types into one unified vibration pattern with distinct features, the system consolidates what would otherwise require multiple separate devices into one convenient unit.
3Loss of information
If visual or audible displays are used in noisy environments, then information delivery capability deteriorates, but alternative communication methods are needed
Solution Approach 1:
The patent replaces acoustic (audible) and optical (visual) information delivery systems with a mechanical vibration-based haptic system. This substitution allows information to be conveyed through touch rather than sound or light, making communication effective in noisy environments where visual or audible displays would fail.
Solution Approach 2:
The patent uses haptic vibration as an intermediary medium to transfer information from electronic devices to users in environments where traditional visual or audible displays are ineffective. The mechanical vibration serves as a reliable intermediary that bypasses the harmful effect of noise pollution.
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 effective communication of multiple data types through a single haptic device, reducing noise pollution and enhancing user recognition of information changes without requiring multiple displays.
Implementation Method 1
a vibration pattern comprising a plurality of vibration pulses representing the first and second vibration features within a common time interval is produced on the haptic display
Data Source
AI summary
Methods and systems for controlling a haptic display are provided. Data associated with first and second data types is obtained, the data defining values for the first and second data types. The first and second data types are associated to first and second vibration features of the haptic display, respectively, the second vibration feature different from the first vibration feature. A vibration pattern comprising a plurality of vibration pulses representing the first and second vibration features within a common time interval is produced on the haptic display, wherein the first vibration feature is expressed based on the values of the data for the first data type and the second vibration feature is expressed based on the values of the data for the second data type.