evacuated display tube

简明释义

真空显示管

英英释义

例句

1.When the evacuated display tube is damaged, it can lead to image distortion on the screen.

当真空显示管损坏时，会导致屏幕上的图像失真。

2.The technician replaced the broken evacuated display tube in the old television set.

技术员更换了旧电视机中损坏的真空显示管。

3.In a science experiment, we observed the behavior of gases inside an evacuated display tube.

在一次科学实验中，我们观察了气体在真空显示管内的行为。

4.Modern displays have largely replaced the traditional evacuated display tube technology.

现代显示器在很大程度上取代了传统的真空显示管技术。

5.The evacuated display tube is essential for creating a vacuum needed for electron beams.

真空显示管对于产生电子束所需的真空是必不可少的。

作文

The evolution of technology has brought about numerous innovations that have changed the way we perceive and interact with the world around us. One such innovation is the evacuated display tube, a crucial component in the development of television and computer monitors. The evacuated display tube is essentially a vacuum-sealed glass tube that contains an electron gun and a phosphorescent screen. This technology was widely used before the advent of flat-panel displays, and understanding its function helps us appreciate the advancements in visual technology.In a typical evacuated display tube, electrons are emitted from the electron gun located at one end of the tube. These electrons travel through the vacuum inside the tube and strike the phosphorescent screen on the opposite end. When the electrons hit the screen, they excite the phosphor coating, causing it to emit light. This process creates the images we see on our screens. The ability to control the direction and intensity of the electron beam allows for the generation of detailed and colorful images, which was revolutionary at the time.The design of the evacuated display tube has its roots in early scientific experiments in the late 19th century. Pioneers like Karl Ferdinand Braun and Philo Farnsworth contributed to its development, making it possible to transmit and display moving images. The evacuated display tube became the standard for televisions and computer monitors for many decades, providing viewers with a reliable and engaging way to consume media.However, as technology progressed, the limitations of the evacuated display tube became apparent. These tubes were bulky, heavy, and consumed a significant amount of power compared to modern alternatives. Additionally, they were prone to issues like screen burn-in and limited viewing angles. As a result, manufacturers began to explore other display technologies, leading to the rise of liquid crystal displays (LCDs) and light-emitting diodes (LEDs).Despite its decline in popularity, the evacuated display tube played a vital role in shaping the landscape of visual technology. It laid the groundwork for the high-definition screens we enjoy today, and its principles are still relevant in various applications. For instance, cathode ray tubes (CRTs), a type of evacuated display tube, are still used in some specialized equipment, such as oscilloscopes and certain types of radar systems.In conclusion, the evacuated display tube is more than just a relic of the past; it is a symbol of technological progress and innovation. Understanding its function and significance can deepen our appreciation for modern display technologies. As we continue to advance in the field of electronics, it is essential to remember the foundational technologies that paved the way for the devices we rely on today. The legacy of the evacuated display tube serves as a reminder of how far we have come and inspires future generations to innovate further in the realm of visual technology.

科技的进化带来了无数创新，改变了我们感知和与周围世界互动的方式。其中一项创新是真空显示管，它在电视和计算机显示器的发展中起着至关重要的作用。真空显示管本质上是一个密封的玻璃管，内部有电子枪和荧光屏。这项技术在平板显示器出现之前被广泛使用，理解其功能有助于我们欣赏视觉技术的进步。在典型的真空显示管中，电子从位于管一端的电子枪发射。电子通过管内的真空，撞击位于另一端的荧光屏。当电子击中屏幕时，会激发磷光涂层，使其发出光。这一过程产生了我们在屏幕上看到的图像。控制电子束的方向和强度的能力使得生成细致而多彩的图像成为可能，这在当时是革命性的。真空显示管的设计源于19世纪末早期科学实验。卡尔·费迪南德·布劳恩和菲洛·法恩斯沃斯等先驱为其发展做出了贡献，使得传输和显示动态图像成为可能。真空显示管成为电视和计算机显示器的标准，为观众提供了一种可靠且引人入胜的媒体消费方式。然而，随着技术的进步，真空显示管的局限性逐渐显现。这些管子笨重、沉重，并且与现代替代品相比消耗大量电力。此外，它们还容易出现屏幕烧录和视角有限等问题。因此，制造商开始探索其他显示技术，导致液晶显示器（LCD）和发光二极管（LED）的崛起。尽管其受欢迎程度下降，但真空显示管在塑造视觉技术的格局中发挥了重要作用。它为我们今天享受的高清屏幕奠定了基础，其原理在各种应用中仍然具有相关性。例如，阴极射线管（CRT）作为一种真空显示管，仍在某些专业设备中使用，如示波器和某些类型的雷达系统。总之，真空显示管不仅仅是过去的遗物；它是技术进步和创新的象征。理解其功能和重要性可以加深我们对现代显示技术的欣赏。随着我们在电子领域的不断进步，记住那些为我们今天依赖的设备铺平道路的基础技术至关重要。真空显示管的遗产提醒我们，我们走过了多远，并激励未来几代人在视觉技术领域进一步创新。