Telescope Display Device Maintaining Image Stability
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Solution Overview
Problem
Conventional telescope systems with laser rangefinding capabilities face issues with image size and brightness variation, as well as image position shifts, due to magnification changes, affecting the observer's vision and electronic control.
Innovation Solution
A display device is positioned between the first and second image planes of the telescope system, comprising a signal emitter, a converging lens group, and a dioptric imaging lens group, including a trapezoidal and dioptric prism, which maintains constant image size and brightness by imaging the signal onto any position within the field of view through partial reflection and refraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the electronic signal is focused onto an image plane in front of the magnification system, then the signal can be displayed, but the image size and brightness of the electronic signal vary with magnification variation
Solution Approach 1:
A field lens is introduced as an intermediary optical element between the electronic signal source and the magnification system. This field lens creates an intermediate image that serves as a stable reference plane, decoupling the electronic signal display from the magnification variations. The field lens acts as a mediator that maintains consistent imaging conditions regardless of magnification changes.
Solution Approach 2:
The patent changes the optical parameters by introducing a field lens with specific focal length and positioning it at a determined distance from the electronic signal source. This parameter adjustment creates a virtual image plane that remains stable across different magnification settings, transforming the unstable imaging condition into a stable one.
2Speed
If the magnification ratio is increased above 3 times, then the telescope provides higher magnification, but the image size of the electronic signal becomes too small or shifts position
Solution Approach 1:
The field lens serves as a mediator that creates a stable intermediate image plane, allowing high magnification to be achieved without compromising the electronic signal image quality. This intermediary element enables the system to decouple the magnification function from the electronic signal imaging, permitting higher magnification ratios while maintaining signal image stability.
3Adaptability or versatility
If a conventional optical display system is used to see both target image and electronic signal, then the basic display function is achieved, but image size, brightness and position vary with magnification
Solution Approach 1:
The field lens is positioned to receive light from the electronic signal source and create a stable intermediate image. This intermediary imaging stage allows the system to maintain stable electronic signal display parameters while preserving the ability to display both the target image and electronic signal simultaneously through the eyepiece.
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
The solution ensures that the image size and brightness of the electronic signal remain constant despite magnification variations, allowing the signal image to be positioned anywhere within the telescope field of view, enhancing vision and control.
Implementation Method 1
The optical signal emitted by the signal emitter is first transmitted through the converging lens group, then incident onto the dioptric imaging lens group, and finally imaged onto the second image plane of the telescope system after reflection of the dioptric imaging lens group
Implementation Method 2
The optical signal emitted by the signal emitter is first transmitted through the converging lens group, then incident onto the dioptric imaging lens group, and finally imaged onto the second image plane of the telescope system after reflection of the dioptric imaging lens group
Implementation Method 3
a converging lens group positioned adjacent to the signal emitter
Data Source
AI summary
A display device (4) for a telescope system is disposed between a first image plane (10) and a second image plane (20) of the telescope system. The display device includes a signal emitter (41), a converging lens group (42) positioned adjacent to the signal emitter, and a dioptric imaging lens group (43) positioned adjacent to the converging lens group. The optical signal emitted by the signal emitter is first transmitted through the converging lens group, then incident onto the dioptric imaging lens group, and finally imaged onto the second image after reflection of the dioptric imaging lens group. Therefore, both the image size and brightness of the displayed signal viewed by the observer can maintain unchanged in spite of the magnification variation of the telescope system.