Adaptive Timing Signal Control for Stereoscopic Displays
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Solution Overview
Problem
Existing three-dimensional stereoscopic video display systems face issues with fixed timing signal output direction and level, leading to inefficient use of resources and potential interference from other devices, as they do not adapt to the position and number of viewers.
Innovation Solution
A system that includes a display device with an image pickup element to determine viewer position and number, and light output sections that adjust signal strength and direction based on this information to optimize timing signal transmission for shutter eyeglasses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the output direction of timing signal is fixed at one direction or fixed so as to spread at a wide angle, then the viewing range is ensured, but the signal may be received by other electronic devices causing erroneous operations
Solution Approach 1:
The patent applies dynamics by making the timing signal output direction variable rather than fixed. The direction of timing signal output is dynamically changed according to the detected position of the viewer, allowing the system to adapt to different viewing scenarios while preventing unnecessary signal transmission to other devices
Solution Approach 2:
The patent applies local quality by directing the timing signal specifically toward the detected viewer position rather than broadcasting in all directions. This localized approach ensures that only the intended receiver (shutter eyeglasses worn by the viewer at the detected position) receives the signal, while other devices in different locations are not affected
2Area of stationary object
If the output level of timing signal is fixed at a high level, then the viewing range is ensured, but power consumption increases unnecessarily
Solution Approach 1:
The patent applies dynamics by making the output level of timing signal variable rather than fixed. The output level is dynamically adjusted based on the detected position and characteristics of the viewer, allowing the system to use higher power only when necessary to extend viewing range while reducing power consumption when the viewer is positioned optimally
Solution Approach 2:
The patent applies parameter changes by varying the output level parameter of the timing signal based on detected viewer information. The system changes the signal strength parameter dynamically to match the actual viewing conditions, avoiding unnecessary high power consumption while ensuring adequate viewing range when needed
3Use of energy by moving object
If the output direction of timing signal is fixed at one direction, then power consumption is reduced, but the viewing range is limited
Solution Approach 1:
The patent applies dynamics by transitioning from a fixed output direction to a variable output direction that adapts to the viewer's position. This allows the system to maintain low power consumption by transmitting signals only when and where needed, while expanding the viewing range by adjusting the direction based on real-time position detection
4Use of energy by moving object
If the output level of timing signal is fixed at a low level, then power consumption is reduced, but liquid crystal shutters cease to operate outside the viewing range
Solution Approach 1:
The patent applies dynamics by making the output level variable rather than fixed at a low level. The system dynamically adjusts the output level based on the detected position of the viewer, ensuring that sufficient signal strength is transmitted to maintain reliable shutter operation within the optimal viewing range while avoiding excessive power consumption when the viewer is positioned favorably
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 adaptive control of timing signal output, improving viewing range while reducing power consumption and preventing erroneous device operations, by dynamically adjusting signal direction and strength according to viewer position and number.
Implementation Method 1
Radio communication by infrared radiation, radio waves and the like is generally employed to transmit and receive the timing signal
Implementation Method 2
an image pickup element for generating image data
Data Source
AI summary
A stereoscopic video display system includes a display device for displaying stereoscopic video, an image pickup element for generating image data, a position determiner for processing the image data received by the image pickup element to determine position information of at least one object identified in the image data, and a plurality of light output sections each having one or more light transmitters. Each light transmitter is configured to output timing signals having a signal strength based on the determined position information. The stereoscopic video display system also includes at least one set of shutter eyeglasses including a light receiving section for receiving timing signals output from at least one of the light transmitters of the light output sections.