Technical Stage Positioning via Optical Correlation Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing technical stage devices face inaccuracies in positioning functional elements like cameras or spotlights due to the empirical determination of motor control to actual positioning correlations, which varies with device setup, requiring labor-intensive fine adjustments.
Innovation Solution
A position determination arrangement using signal transmitting, reflecting, and receiving elements to determine the relative movement between fastening, bearing, and functional elements, allowing for precise calibration of pan and tilt axes, enabling reliable correlation between motor control and actual positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If empirical determination of correlation function is used, then device complexity is reduced, but positioning precision deteriorates
Solution Approach 1:
The patent replaces empirical mechanical adjustment methods with an optical measurement system. Signal transmitting elements (e.g., LEDs), reflecting elements (e.g., mirrors), and receiving elements (e.g., photodetectors) form an optical correlation determination system that automatically measures the relationship between motor control signals and actual functional element positioning, eliminating the need for manual empirical calibration while achieving high precision.
Solution Approach 2:
The system performs self-calibration by automatically determining the correlation function between motor control and actual positioning through optical signal measurement. The technical stage device itself generates and detects the calibration signals, eliminating the need for external calibration equipment or manual adjustment, thereby maintaining simplicity while improving precision.
2Productivity
If empirical determination method is used, then adjustment time is reduced initially, but labor intensity increases due to repeated fine adjustments
Solution Approach 1:
The patent implements a feedback mechanism where the receiving elements detect optical signals reflected from the functional element at different positions. This feedback information is used to automatically determine the correlation function, allowing the system to self-correct and eliminate the need for repeated manual fine adjustments, thereby improving both calibration efficiency and operational ease.
3Adaptability or versatility
If correlation function varies with device setup, then adaptability to different configurations is improved, but positioning reliability deteriorates
Solution Approach 1:
The patent makes the correlation function dynamic rather than static. Instead of using a fixed empirical correlation that must be manually adjusted for each configuration, the system dynamically determines the correlation function through optical measurement each time the device is set up or configured differently. This ensures both adaptability to various configurations and reliable positioning accuracy in each configuration.
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
This solution allows for precise and reliable determination of the correlation between motor control and actual positioning, reducing inaccuracies and labor required for adjustments, enabling precise directional control of functional elements.
Implementation Method 1
the signal transmitting elements are designed to transmit electromagnetic radiation, in particular infrared radiation, visible light radiation or UV radiation
Implementation Method 2
a signal transmitted by a signal transmitting element is reflected by a signal reflecting element
Data Source
AI summary
The invention relates to a technical stage device (1), comprising a fastening element (2), a bearing element (3) and a functional element (4), in particular a camera or a spotlight, wherein the functional element (4) is arranged on the bearing element (3) so as to be pivotable about a tilt axis (14) and wherein the bearing element (3) is arranged on the fastening element (2) so as to be rotatable about a pan axis (13), wherein a position determination arrangement is provided, which is designed in such a way that a relative movement between the bearing element (3) and the fastening element (2) as well as between the bearing element (3) and the functional element (4) can be determined. Further, the invention relates to a method for determining the correlation function of predetermined tilt and pan values of a functional value (4), in particular a camera or a spotlight, to absolute motion values of the functional element (4).