Pressure-Sensing Position Indicator for Intuitive 3D Shape Sketching
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Solution Overview
Problem
Conventional systems require complex operations with multiple input devices to specify dimensions and shapes of multidimensional objects in digital data, lacking intuitive single-device solutions.
Innovation Solution
A position indicator with a core body, pressure detector, and transmitter, coupled with a processing device that generates visualization data based on pressure and positional signals, allowing intuitive shape specification using a single input device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional systems use multiple input devices to specify dimensions of multidimensional objects, then measurement precision and control accuracy are improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent combines multiple input functions (position indication, pressure detection, shape specification) into a single integrated position indicator device. The core body with pressure detector integrates the functionality of multiple separate input devices, allowing users to specify dimensions and shapes of multidimensional objects using one device rather than multiple devices, thereby reducing system complexity while maintaining measurement precision
Solution Approach 2:
The position indicator serves multiple functions: it indicates position in space, detects pressure magnitude, and enables specification of various object parameters (shape, orientation, dimensions). This multi-functional design eliminates the need for separate specialized input devices for each function, resolving the contradiction between measurement precision and device complexity
2Measurement precision
If conventional systems require simultaneous operation of multiple input devices, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent merges position indication and pressure detection into a single integrated device. Users operate one position indicator with a core body rather than coordinating multiple separate devices, dramatically improving ease of operation while the integrated sensors maintain high measurement precision for dimension specification
Solution Approach 2:
The position indicator automatically detects both position and pressure without requiring users to manually coordinate multiple devices. The device self-services by integrating multiple sensing functions, allowing users to simply manipulate one device naturally while the system automatically captures all necessary input parameters with high precision
3Ease of operation
If a single input device is used to specify object parameters, then ease of operation is improved, but measurement precision and information completeness may deteriorate
Solution Approach 1:
The patent adds pressure as a new dimensional input parameter beyond simple position. By detecting pressure magnitude applied to the core body, the system captures additional information about user intent (such as object selection, confirmation, or parameter adjustment) that position alone cannot provide, preventing information loss while maintaining intuitive single-device operation
Solution Approach 2:
The position indicator detects changes in pressure parameter magnitude to differentiate between various user actions (selecting an object, confirming a parameter, adjusting a value). This multi-level pressure detection ensures complete input information is captured despite using only one device, as the pressure parameter provides additional degrees of input freedom
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 users to dynamically and intuitively specify shapes, orientations, and dimensions of multidimensional objects with a single input device, simplifying the interaction process.
Implementation Method 1
a pressure detector which, in operation, detects a pressure applied to the tip of the core body
Implementation Method 2
a transmitter coupled to the pressure detector, wherein the transmitter, in operation, transmits one or more signals indicative of the pressure applied to the tip of the core body
Implementation Method 3
a sensor having an input surface, the sensor, in operation, detects the position indicator and outputs a signal indicative of a position on the input surface of the position indicator as sensed by the sensor
Data Source
AI summary
A system includes a position indicator and a processing device which enable a user to intuitively and dynamically specify dimensions and shapes of objects. The position indicator transmits a signal indicative of a pressure applied to a part of the position indicator. The processing device receives the signal indicative of the pressure applied to the part of the position indicator and signals indicative of respective positions of the position indicator. The processing device generates visualization data based on the signal indicative of the pressure applied to the part of the position indicator and the signals indicative of the respective positions of the position indicator. The visualization data defines an object that extends from a predetermined position in a direction that is based on the signal indicative of the pressure applied to the part of the position indicator.