深入了解：传真机的原理与工作方式

传真机，这一曾在通讯技术中占有一席之地的设备，其原理和工作方式值得我们去深入探讨。

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一、传真机原理 传真机的工作原理主要基于光电转换和扫描技术。其核心部分是扫描仪和接收器。发送端通过扫描仪将原始文件（如纸质文档）上的文字和图像转换成电子信号，然后通过电话线路或网络线路传输到接收端。在接收端，接收器将接收到的电子信号再次转换成文字和图像，然后输出到纸上或电子设备上。 二、传真机工作方式 1. 发送过程：首先，将需要传真的文件放入传真机的发送盘中，通过机器的扫描仪进行扫描，然后这些扫描的图像和文字信息会被转换成电信号（通常是以模拟信号的形式）。随后，这些电信号会通过电话线路或网络线路发送到接收端。在这个过程中，可能需要经过多个交换站或服务器进行中转。 2. 接收过程：在接收端，传真机会接收到来自发送端的电信号。这些电信号被接收器接收到后，会再次被转换成图像和文字信息。然后，这些信息会被打印在热敏纸上或直接显示在电子屏幕上。如果接收端是连接在计算机上，那么这些信息也可以被保存在计算机中。 三、英文翻译 In-depth Understanding: The Principles and Working Mechanism of Fax Machines Fax machines, which once occupied a place in communication technology, deserve an in-depth exploration of their principles and working mechanism. I. Fax Machine Principles The working principle of a fax machine mainly relies on photoelectric conversion and scanning technology. Its core components are the scanner and receiver. The sender converts the text and images on the original document (such as paper documents) into electronic signals through the scanner, which are then transmitted to the receiver through telephone or network lines. At the receiving end, the receiver converts the received electronic signals back into text and images, which are then outputted onto paper or electronic devices. II. Fax Machine Working Mechanism 1. Sending Process: First, place the document to be faxed into the sending tray of the fax machine, which will be scanned by the machine's scanner. The scanned images and text information will be converted into electrical signals (usually in the form of analog signals). These electrical signals will then be sent to the receiving end through telephone or network lines. In this process, they may pass through multiple switching stations or servers for intermediary transmission. 2. Receiving Process: At the receiving end, the fax machine receives the electrical signals from the sending end. These electrical signals, after being received by the receiver, will be converted back into image and text information. Then, these information will be printed on thermal paper or directly displayed on an electronic screen. If the receiving end is connected to a computer, these information can also be saved in the computer. 总的来说，传真机是一种利用电子信号传输文字和图像信息的设备，其工作原理主要是基于光电转换和扫描技术。随着现代通讯技术的不断发展，虽然传真机的使用已经逐渐减少，但其原理和工作方式仍然是通讯技术领域的重要部分。