CN1301857C - Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system - Google Patents
Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system Download PDFInfo
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- CN1301857C CN1301857C CNB031296203A CN03129620A CN1301857C CN 1301857 C CN1301857 C CN 1301857C CN B031296203 A CNB031296203 A CN B031296203A CN 03129620 A CN03129620 A CN 03129620A CN 1301857 C CN1301857 C CN 1301857C
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Abstract
The present invention discloses an electronic composition method and system, and aims to provide a light splicing method and system for realizing multi-path output on a laser typesetter. The method comprises: laser signals are emitted by a laser, a semi-transmission and semi-reflection mirror reflects a part of laser signals to an acoustic-optical modulator, and simultaneously, the penetrated laser signals are reflected to another acoustic-optic modulator by a reflective mirror. According to control signals, the acoustic-optical modulator diffracts the brought laser signals into multi-path laser signals, and finally, a semi-transmission and semi-reflection mirror splices two parts of laser signals into horizontal and parallel multi-path laser signals. The present invention also provides a light splicing system for realizing multi-path output on a laser typesetter; the light splicing system comprises a laser, the reflective mirror, the acoustic-optic modulator and the semi-transmission and semi-reflection mirror. The mutual influence among the frequency bandwidths of signal sources and the frequencies of signal sources is reduced; the light intensity is stable, and the output quality is good. Since the multi-path output is used, the output speed of figure and character information is increased.
Description
Technical field
The present invention relates to a kind of method and system thereof of electronic composition.More particularly, the present invention relates to a kind of light splitting method and system thereof that on laser photocomposing machine, realizes multichannel output.
Background technology
Laser photocomposing machine is a kind of laser imaging apparatus of high accuracy output, laser photocomposing machine adopts He-Ne laser (or semiconductor laser) as light source, graph text information and control signal are through the work of interface circuit and drive circuit signal source guide sound optical modulator, modulated 1 order diffraction work laser, 4 tunnel (or 8 tunnel), behind attenuator, focus on by optical lens on the photographic film on vacuum suction light drum surface, focus on the back and form 4 (or 8) road hot spot arranged side by side, through the high speed rotation of light drum and laterally being synchronized with the movement of scanning platform, on film, form graph text information again.
Work laser way is an important parameter of drum type laser photocomposing machine output speed, and way is many more, and output speed is fast more.Present of home make film setter 4 road light are comparatively ripe, still are subjected to interactional restriction between acousto-optic modulator and signal source frequency bandwidth, the frequency.
U.S. Patent application US2002/0054392A1 discloses a kind of scanner-recorder, this logger is at the laser that is produced by large-scale semiconductor laser, utilize a reflection and absorb controlled device, realize selectively the part laser beam being reflected and being used for recording picture information.Its lasing light emitter is a rod-shaped laser source (large-scale semiconductor laser) with a lot of transmitters, and the high-power laser beam that comes from transmitter allows to overlap in a rectangular zone.Come the laser beam of self-excitation light source to pass through the light valve that optical lens is loaded into the diagrid formula.Laser beam is divided into many little laser beams, by an inner full-reflection prism reflection, in the there light path turnover has taken place after the light valve modulation of diagrid formula, focuses on the medium that are installed in the drum surface by varifocal mirror then.When not having voltage to be applied to active belt on the light valve of diagrid formula, base band and all active belts that all are fixing can flow to together.When voltage was applied to active belt, they can move down the distance of 1/4 laser beam wavelength, to serve as a reflection and unreflecting diagrid.Disclosed image recorder has used the light valve of diagrid formula that single channel laser is assigned as multi-path laser in this patent application, and this light valve structure complexity also needs to increase the light valve control system and causes difficult in maintenance, cost increase.
Still there is not a kind of method and system that utilizes simple optical element to realize more laser way maturations at laser photocomposing machine at present in the prior art.
Summary of the invention
Primary and foremost purpose of the present invention is to overcome deficiency of the prior art, and a kind of light splitting method of realizing multichannel output on laser photocomposing machine is provided.
The present invention also aims to provide a kind of light splitting method system that on laser photocomposing machine, realizes multichannel output.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The invention provides a kind of laser signal multichannel output intent that is applied to laser photocomposing machine, comprise the steps:
(1) launches one road laser signal by a laser instrument 1;
(2) first semi-transparent semi-reflecting lens 3 reflex to first sound-optic modulator 5 with a laser signal part, and the laser signal with permeation parts reflexes to second sound-optic modulator 6 by first reflective mirror 4 simultaneously;
(3) first sound-optic modulator 5 reflexes to second semi-transparent semi-reflecting lens, 8 front surfaces by second reflective mirror 7 after according to control signal the laser signal that transmits being diffracted to the multi-path laser signal, is projected to second semi-transparent semi-reflecting lens, 8 rear surfaces after second sound-optic modulator 6 is diffracted to the multi-path laser signal according to control signal with the laser signal that transmits simultaneously;
(4) second semi-transparent semi-reflecting lens 8 are spliced into multi-path laser signal arranged side by side with two parts laser signal.
As a kind of improvement of the present invention, described step also comprises uses the 3rd reflective mirror 2 that laser signal is adjusted to described first semi-transparent semi-reflecting lens 3.
As a kind of improvement of the present invention, two parts laser signal is the order splicing when being spliced into multi-path laser signal arranged side by side.
As a kind of improvement of the present invention, two parts laser signal is to intersect to splice when being spliced into multi-path laser signal arranged side by side.
As a kind of improvement of the present invention, the laser signal of described first sound-optic modulator 5 and second sound-optic modulator 6 diffraction is four the tunnel.
The present invention also provides a kind of laser signal multi-output system that is applied to laser photocomposing machine, comprises laser instrument 1 and the lens 10 that are used for laser signal is reduced to image as light source, and this system also comprises:
First semi-transparent semi-reflecting lens 3 is positioned on the laser instrument emitted laser signal light path, is used as the laser signal separated into two parts, and wherein a part is reflected away, and another part is then by first semi-transparent semi-reflecting lens 3;
First sound-optic modulator 5 is positioned on first semi-transparent semi-reflecting lens, the 3 laser light reflected light paths, is used for this laser signal diffraction;
First reflective mirror 4 is positioned at through on the laser optical path of first semi-transparent semi-reflecting lens 3, is used for this laser signal is reflexed to a second sound-optic modulator 6;
Second reflective mirror 7 is positioned on the light path of first sound-optic modulator 5 diffraction laser signals, is used for this diffraction laser is reflexed to second semi-transparent semi-reflecting lens 8;
Second sound-optic modulator 6 is positioned on first reflective mirror, the 4 laser light reflected light paths, is used for this laser signal diffraction;
Second semi-transparent semi-reflecting lens 8 is as two parts diffraction laser signal is spliced into multi-path laser signal arranged side by side;
The described lens 10 that are used for laser signal is reduced to image are positioned at second semi-transparent semi-reflecting lens, 8 spliced laser signal light paths.
As a kind of improvement of the present invention, described second semi-transparent semi-reflecting lens 8 is installed on the light path micromatic setting 9, can finely tune piecing together light effect.
As a kind of improvement of the present invention, described light path micromatic setting 9 is made up of a fixed block 25 and a movable block 24, on the screw between fixed block 25 and the movable block 24, spring is installed, can realizes adjusting by adjusting to three screw depth to second semi-transparent semi-reflecting lens, 8 angles.
Description of drawings
Fig. 1 is the assembly photosystem index path of the specific embodiment of the invention 1.
Fig. 2 is the front view of light path micromatic setting in the specific embodiment of the invention 1.
Fig. 3 is the left view of light path micromatic setting in the specific embodiment of the invention 1.
Fig. 4 is the block diagram that the assembly photosystem of the specific embodiment of the invention 1 uses in laser photocomposing machine.
Fig. 5 is the assembly photosystem index path of the specific embodiment of the invention 2.
The specific embodiment
With reference to the accompanying drawings, will describe the present invention below.
Piece together the photosystem light path as shown in Figure 1 in the specific embodiments of the invention 1.
Acousto-optic modulator is made by the pure crystal of lead molybdate, when loading the signal of one group of certain power, different frequency, can go out equal number work laser by diffraction, selects the product of Shanghai silicate research institute in the present embodiment for use.
In the specific embodiment of the invention 1, first sound-optic modulator 5 and second sound-optic modulator 6 are when receiving the signal that derives from signal source, with project on it laser signal respectively diffraction go out 4 tunnel work laser, wherein the work laser that goes out of first sound-optic modulator 5 diffraction projects the front surface of second semi-transparent semi-reflecting lens 8 after by 7 reflections of second reflective mirror; The work laser that second sound-optic modulator 6 diffraction go out then directly projects the rear surface of second semi-transparent semi-reflecting lens 8, through arranged side by side with preceding part work laser behind the eyeglass, becomes 8 tunnel work laser.
As shown in Figures 2 and 3, the eyeglass of second semi-transparent semi-reflecting lens 8 is installed on the light path micromatic setting 9, and this device is made up of a fixed block 25 and a movable block 24.Connection between two parts is realized by three screws 21,22 and 23, on the screw between movable block 24 and the fixed block 25 spring is installed, and can realize the adjusting to second semi-transparent semi-reflecting lens, 8 angles by the adjusting to three screw depth.By changing the angle of eyeglass, can finely tune two parts laser signal light path splicing effect.
The realization of splicing is spliced or intersected to two parts laser signal light path in proper order is to be decided by the installation site of first semi-transparent semi-reflecting lens 3, first reflective mirror 4, first sound-optic modulator 5, second sound-optic modulator 6, second reflective mirror 7 and second semi-transparent semi-reflecting lens 8, i.e. the difference of the distance between two parts work laser can cause final piece together the only order splicing or the splicing that intersects.
After two parts work laser is spliced, laser signal is reduced to image and is incident upon on the light drum 40 by lens 10.
The assembly photosystem of the specific embodiment of the invention 1 uses as shown in Figure 4 in laser photocomposing machine.
After computer interface 43 receives the graph text information that comes from the host computer transmission, this information is sent to microprocessor 42 to be handled, send first sound-optic modulator 5 and second sound-optic modulator 6 to the form of signal for information about by signal source 41 generals then, acousto-optic modulator changes the luminous intensity of diffraction according to the variation of signal.
Assembly photosystem light path in the specific embodiments of the invention 2 as shown in Figure 5.Compare with specific embodiment 1, reduced by a reflective mirror in this specific embodiment, can change the direction of final light path, to be applicable to the needs of different laser photocomposing machines, be that the laser signal that laser tube 51 is launched directly is projected to semi-transparent semi-reflecting lens 53, laser signal carried out light-splitting processing by it.
At last, it is also to be noted that what more than enumerate only is specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged, such as changing etc. to the optical path direction change or to the laser way of acousto-optic modulator diffraction.All distortion that all genus those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (8)
1, a kind of laser signal multichannel output intent that is applied to laser photocomposing machine is characterized in that comprising the steps:
(1) launches one road laser signal by a laser instrument (1);
(2) first semi-transparent semi-reflecting lens (3) reflex to first sound-optic modulator (5) with a laser signal part, and the laser signal with permeation parts reflexes to second sound-optic modulator (6) by first reflective mirror (4) simultaneously;
(3) first sound-optic modulator (5) reflexes to second semi-transparent semi-reflecting lens (8) front surface by second reflective mirror (7) after according to control signal the laser signal that transmits being diffracted to the multi-path laser signal, is projected to second semi-transparent semi-reflecting lens (8) rear surface after second sound-optic modulator (6) is diffracted to the multi-path laser signal according to control signal with the laser signal that transmits simultaneously;
(4) second semi-transparent semi-reflecting lens (8) are spliced into multi-path laser signal arranged side by side with two parts laser signal.
2, laser signal multichannel output intent as claimed in claim 1 is characterized in that described step comprises that also use the 3rd reflective mirror (2) is adjusted to described first semi-transparent semi-reflecting lens (3) with laser signal.
3, laser signal multichannel output intent as claimed in claim 1 is characterized in that two parts laser signal is the order splicing when being spliced into multi-path laser signal arranged side by side.
4, laser signal multichannel output intent as claimed in claim 1 is characterized in that two parts laser signal is to intersect to splice when being spliced into multi-path laser signal arranged side by side.
5, laser signal multichannel output intent as claimed in claim 1 is characterized in that the laser signal of described first sound-optic modulator (5) and second sound-optic modulator (6) diffraction is four the tunnel.
6, a kind of laser signal multi-output system that is applied to laser photocomposing machine comprises laser instrument (1) that is used as light source and the lens (10) that are used for laser signal is reduced to image, it is characterized in that this system also comprises:
First semi-transparent semi-reflecting lens (3) is positioned on the laser instrument emitted laser signal light path, is used as the laser signal separated into two parts, and wherein a part is reflected away, and another part is then by first semi-transparent semi-reflecting lens (3);
First sound-optic modulator (5) is positioned on first semi-transparent semi-reflecting lens (3) the laser light reflected light path, is used for this laser signal diffraction;
First reflective mirror (4) is positioned at through on the laser optical path of first semi-transparent semi-reflecting lens (3), is used for this laser signal is reflexed to second sound-optic modulator (6);
Second reflective mirror (7) is positioned on the light path of first sound-optic modulator (5) diffraction laser signal, is used for this diffraction laser is reflexed to second semi-transparent semi-reflecting lens (8);
Second sound-optic modulator (6) is positioned on first reflective mirror (4) the laser light reflected light path, is used for this laser signal diffraction;
Second semi-transparent semi-reflecting lens (8) is as two parts diffraction laser signal is spliced into multi-path laser signal arranged side by side;
The described lens (10) that are used for laser signal is reduced to image are positioned at the spliced laser signal light path of second semi-transparent semi-reflecting lens (8).
7, laser signal multi-output system as claimed in claim 6 is characterized in that described second semi-transparent semi-reflecting lens (8) is installed on the light path micromatic setting (9), can finely tune piecing together light effect.
8, laser signal multi-output system as claimed in claim 7, it is characterized in that described light path micromatic setting (9) is made up of a fixed block (25) and a movable block (24), on the screw between fixed block (25) and the movable block (24), spring is installed, can realizes adjusting by adjusting to three screw depth to second semi-transparent semi-reflecting lens (8) angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031296203A CN1301857C (en) | 2003-06-28 | 2003-06-28 | Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031296203A CN1301857C (en) | 2003-06-28 | 2003-06-28 | Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1513668A CN1513668A (en) | 2004-07-21 |
| CN1301857C true CN1301857C (en) | 2007-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031296203A Expired - Fee Related CN1301857C (en) | 2003-06-28 | 2003-06-28 | Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100537233C (en) * | 2007-01-19 | 2009-09-09 | 深圳市大族激光科技股份有限公司 | Adjusting method of close-packed optical fiber array imaging and laser imaging device thereof |
| CN102928398A (en) * | 2012-11-27 | 2013-02-13 | 上海神开石油化工装备股份有限公司 | Device for detecting hydrocarbon content of drilling fluid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044363A (en) * | 1974-12-23 | 1977-08-23 | Dymo Industries, Inc. | Laser photocomposition system and method |
| CN2098056U (en) * | 1991-07-05 | 1992-03-04 | 中国科学院长春光学精密机械研究所 | Multi-light beam laser tilting mirror type optical scanning system |
| CN2347289Y (en) * | 1998-11-11 | 1999-11-03 | 中国科学院长春光学精密机械研究所 | System to stablize and modulate laser by means of one modulator |
| US6229650B1 (en) * | 1999-10-18 | 2001-05-08 | Agfa Corporation | Optical imaging head having a multiple writing bean source |
| US20020054392A1 (en) * | 2000-08-28 | 2002-05-09 | Dainippon Screen Mfg. Co., Ltd. | Image recorder |
-
2003
- 2003-06-28 CN CNB031296203A patent/CN1301857C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044363A (en) * | 1974-12-23 | 1977-08-23 | Dymo Industries, Inc. | Laser photocomposition system and method |
| CN2098056U (en) * | 1991-07-05 | 1992-03-04 | 中国科学院长春光学精密机械研究所 | Multi-light beam laser tilting mirror type optical scanning system |
| CN2347289Y (en) * | 1998-11-11 | 1999-11-03 | 中国科学院长春光学精密机械研究所 | System to stablize and modulate laser by means of one modulator |
| US6229650B1 (en) * | 1999-10-18 | 2001-05-08 | Agfa Corporation | Optical imaging head having a multiple writing bean source |
| US20020054392A1 (en) * | 2000-08-28 | 2002-05-09 | Dainippon Screen Mfg. Co., Ltd. | Image recorder |
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| CN1513668A (en) | 2004-07-21 |
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Assignee: Hangzhou CRON Machinery & Electronics Company Ltd. Assignor: Xiang Jianlong Contract record no.: 2010330001311 Denomination of invention: Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system Granted publication date: 20070228 License type: Exclusive License Open date: 20040721 Record date: 20100712 |
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Owner name: HANGZHOU CRON MACHINERY + ELECTRONICS CO., LTD. Free format text: FORMER OWNER: XIANG JIANLONG Effective date: 20111229 |
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Free format text: CORRECT: ADDRESS; FROM: 310000 HANGZHOU, ZHEJIANG PROVINCE TO: 311215 HANGZHOU, ZHEJIANG PROVINCE |
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Effective date of registration: 20111229 Address after: Hangzhou City, Zhejiang province 311215, Xiaoshan economic and Technological Development Zone, Road No. 99 Patentee after: Hangzhou CRON Machinery & Electronics Company Ltd. Address before: 310000 room 9, building 4-702, Hedong, Xihu District, Hangzhou, Zhejiang, Xixi Patentee before: Xiang Jianlong |
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