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Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system

A laser imagesetter, multi-output technology, applied in photoelectric typesetting devices, phototypesetting devices, printing and other directions, can solve the problems of lack of mature laser channels, increased cost, difficult maintenance, etc.

Inactive Publication Date: 2007-02-28
HANGZHOU CRON MACHINERY & ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The image recorder disclosed in this patent application uses a grid-type light valve to distribute the single laser beam into multiple laser beams. The structure of the light valve is complicated, and a light valve control system needs to be added, resulting in difficult maintenance and increased costs.
[0005] At present, there is no mature method and system for realizing more laser paths in the laser imagesetter by using simple optical components

Method used

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  • Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system
  • Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system
  • Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system

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Embodiment Construction

[0033] Referring to the accompanying drawings, the present invention will be described in detail below.

[0034] The optical path of the mosaic system in the specific embodiment 1 of the present invention is shown in FIG. 1 .

[0035] The laser 1 is used as a light source to emit a laser signal, and the third mirror 2, which is at an angle of 135° to the axis of the laser tube, changes the route of the laser signal by 90°. The first half-mirror 3 is at an angle of 45° to the axis of the laser tube. After the laser signal is projected onto its mirror surface, a part is reflected to the first acousto-optic modulator 5, and the other part is projected to the first acousto-optic modulator 5 through the lens. The half-mirror 3 is parallel to the first mirror 4, and then reflected to the second acousto-optic modulator 6. At this time, the directions of the two laser signals are consistent and parallel.

[0036] The acousto-optic modulator is made of pure lead molybdate crystal. Whe...

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Abstract

A light-splicing method for implementing multi-channel output on laser typesetter to increase output speed is disclosed. A laser signal from the laser device is partially reflected to an acoustooptical modulator by a half-reflecting half-transmitting mirror. The transmitted laser signal is reflected to another acoustooptical modulator by reflector. According to control signal, the laser signal is diffracted into multiple channels of laser signal by said acoustooptical modulator. Said two laser signals are spliced by a half-reflecting half-transmitting to become the parallel channels of laser signal. Its system is also disclosed.

Description

technical field [0001] The invention relates to an electronic typesetting method and system thereof. More specifically, the present invention relates to a method and system for mosaicing multiple outputs on a laser imagesetter. Background technique [0002] Laser phototypesetting machine is a high-precision output laser imaging equipment. Laser phototypesetting machine uses helium-neon laser (or semiconductor laser) as the light source, and the graphic information and control signals control the work of the acousto-optic modulator through the interface circuit and the driving circuit signal source. , put the 4 (or 8) channels of the modulated first-order diffractive working laser light through the attenuation sheet, and focus them on the photosensitive film on the surface of the vacuum adsorption drum by the optical lens, and form 4 (or 8) channels of parallel light spots after focusing After the high-speed rotation of the optical drum and the horizontal synchronous movemen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41B19/00B41B21/08
Inventor 项建龙
Owner HANGZHOU CRON MACHINERY & ELECTRONICS CO LTD
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