Phototypesetting machine is a new device developed in the 1970s. It uses the electronic computer to proofread the input text symbol, edit it, and then expose it to the photosensitive material through laser scanning technology to make the scanning beam brightness high. After focusing, The extremely thin beam has a scanning resolution of 40 lines/MM, so this photo-aligning machine can better reproduce the character glyph outline and stroke. This article will introduce you to the price of a small laser photo-aligning machine.
The imagesetter can be classified according to the photosensitive wavelength of the photosensitive material coated on the imaging medium and the energy required for image formation. According to the wavelength of the light source used, it can be divided into a visible light wavelength range and an infrared wavelength range.
The production capacity of the photo-setting machine is not only in itself, but also directly related to the production capacity of its peripheral equipment such as plate feeding, discharging equipment and automatic developing equipment. Therefore, a comprehensive evaluation of the CTP system is necessary.
Phototypesetting machine, using microcomputer control technology, is more reliable and more powerful. Its structure mainly includes: main and sub-scanning parts, upper and lower parts, electrical control system, main and sub-scanning electrical synchronous control system, interface circuit, power supply circuit and so on.
A set of recursive algorithms is designed to restore the compressed Chinese character information to a glyph at high speed, and it is suitable for hardware implementation, paving the way for the design of key laser photo-sequencing controllers in the future. What's more unique is that Wang Xuan came up with a high-tech trick to control the quality of the glyphs with large or small sensitive parts with parameter information, achieving high fidelity in glyph zooming and deformation. This invention alone is 10 years earlier than the West. In September 1975, Wang Xuan simulated the first flaw of the word "human" in the computer through software. This is a major breakthrough in Chinese character information processing technology. The 38-year-old Wang Xuan, with a glimpse of mathematics and wisdom, opened the door to the computer era.
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