CN201935695U - Axicon lens reflective type laser demarcation device for three-dimensional spectroscopy by double square prisms - Google Patents
Axicon lens reflective type laser demarcation device for three-dimensional spectroscopy by double square prisms Download PDFInfo
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- CN201935695U CN201935695U CN2010206502776U CN201020650277U CN201935695U CN 201935695 U CN201935695 U CN 201935695U CN 2010206502776 U CN2010206502776 U CN 2010206502776U CN 201020650277 U CN201020650277 U CN 201020650277U CN 201935695 U CN201935695 U CN 201935695U
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- square glass
- positive square
- prism
- dimensional beam
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Abstract
The utility model relates to an axicon lens reflective type laser demarcation device for three-dimensional spectroscopy by double square prisms, which comprises a casing with a cavity, an axicon lens reflecting unit, a temperature-controlled signal light source system, a double square prism three-dimensional spectroscopy system and an external leveling adjusting system, wherein the double square prism three-dimensional spectroscopy system is arranged in the inner cavity of the casing; the axicon lens reflecting unit is arranged on an emitting light path of the double square prism three-dimensional spectroscopy system; and the temperature-controlled signal light source system is arranged in the casing. According to the reflective type laser demarcation device, an axicon lens reflection module adopts an axicon lens frame supported by a thin wall, so that the problem that a segmenting laser line of a support object is broken is effectively solved. By using a single-source high-power laser module and the double square prism three-dimensional spectroscopy system, the energy of output laser and the precision of a laser line are improved and the work precision and the work efficiency of the laser demarcation device are improved.
Description
Technical field
The utility model relates to a kind of laser level device, relate in particular to the three-dimensional beam split axicon lens of a kind of two positive square glass prisms reflective laser level.
Background technology
Usually be made up of eight laser modules at building, decoration and the widely used laser level of all kinds of project installation industries at present, its laser module is with cylindrical lens laser beam to be changed over covering of the fan to distribute, and throws to be linear laser.Is 360 ° of projecting laser lines with four laser modules in the horizontal space butt joint.In addition four mode of laser components are two groups, every group with two laser modules vertical space dock be one less than 360 ° projecting laser line.Two groups of formed lasing areas are vertical mutually, utilize laser rays to throw the function of line sign thereby reach at three dimensions.Its defective of this laser level is to be formed by several groups of Line beam laser module butt joints, as long as a certain laser module changes, will cause the sign precision of throwing line to produce error; In addition, eight to nine laser modules of every appliance requires, instrument cost is higher.
Defective in the market many laser module combined laser level has just produced a kind of axicon lens reflective laser level.Compare with the former, only use 3 laser modules, just can be implemented in the projection sign of interior 360 ° of three dimensions, reduced by 5-6 laser module.Not only reduced instrument cost significantly, and on any one dimension, formed one 360 ° lasing area, it is thrown line and is not had the error of splicing-in, thereby has improved the laser-marking precision.
Though axicon lens reflective laser level can reduce cost of products, improve the sign precision, on product is used, also have several problems to need to solve at present.The one, the support problem of conical reflector causes laser rays to be divided into discontinuous laser rays owing to adopt steel part to support easily, adopts transparent glass to support and makes laser rays produce distortion because of the supporter refraction easily.The one, printing opacity protection form problem, the conventional laser level is by the post mirror pointolite to be changed into the covering of the fan linear laser, universal joint is arranged on the body; automatically leveling in the machine; and the printing opacity form is arranged on the shell, and laser rays and form relative position change, and do not influence the throwing line mass in the space.And the awl backward-reflected laser is 360 ° of throwing lines on a disc; no matter printing opacity protection form is square, circular or trapezoidal; as long as change with awl backward-reflected laser line relative position; can influence the line of space throwing line directly spend or be out of shape; printing opacity need be protected form and tapering are fixed on a certain relative position, thereby cause the inapplicable of the interior leveling mode of traditional machine.In addition, substitute 3 laser modules, can further reduce cost with a high power laser light module, and can reduce the three-dimensional line regulating error of throwing of axicon lens reflective laser level, simplify adjustment structure, the reduction printer body is long-pending, but exists the how problem of three-dimensional beam split of single light source.
The utility model content
The laser level that exists in the prior art is three-dimensional throws the problem that the line error is big, precision is low in order to solve, the three-dimensional beam split axicon lens of a kind of two positive square glass prisms reflective laser levels that the utility model provides and utilized that the axicon lens thin-walled supports, the three-dimensional beam split of two positive square glass prism and external Anping system solve the problems of the technologies described above well.
The technical solution of the utility model is: the three-dimensional beam split axicon lens of a kind of two positive square glass prisms reflective laser level, comprise the housing that has cavity, its special character is: this level also comprises axicon lens reflector element, Temperature Control Type single light source system, the three-dimensional beam splitting system of two positive square glass prism and external Anping regulating system; The three-dimensional beam splitting system of described two positive square glass prisms is arranged at the inner chamber of housing; Described axicon lens reflector element is arranged on the emitting light path of the three-dimensional beam splitting system of two positive square glass prisms; Described Temperature Control Type single light source system is arranged at the side in the housing; Described external Anping regulating system is arranged at lower part of frame or sidepiece.
Above-mentioned axicon lens reflector element comprises the first axicon lens reflecting module, the second axicon lens reflecting module and third hand tap mirror reflection module; The described first axicon lens reflecting module, the second axicon lens reflecting module and third hand tap mirror reflection module are arranged at respectively on the three-dimensional emitting light path of the three-dimensional beam splitting system of two positive square glass prisms.
The above-mentioned first axicon lens reflecting module, the second axicon lens reflecting module and third hand tap mirror reflection module comprise axicon lens frame, protection form and adapter sleeve respectively; Described axicon lens sets up and places in the protection form, and is connected with adapter sleeve.
Above-mentioned axicon lens frame comprises axicon lens, adjustable axicon lens seat, epicone runner plate, is provided with following axicon lens plate, thin-walled support chip and the set screw of unthreaded hole; Be vertically installed with the thin-walled support chip between described epicone runner plate and the following axicon lens plate; Described axicon lens is arranged on the epicone runner plate by adjustable axicon lens seat, and regulates its position angle in the space by set screw, makes the laser rays of injecting form one 360 ° lasing area on the reflecting surface of axicon lens, has solved the support problem of axicon lens simultaneously.
Above-mentioned level also comprises Temperature Control Type single light source system, and it comprises light source body, laser module, first catoptron and second catoptron; Described laser module is arranged in the light source body; Described first catoptron is arranged on the laser module output light path; Second catoptron is arranged on the first mirror reflects light path; Second catoptron is exported second reflected light, has solved the three-dimensional branch optical issue of single light source, has improved the energy of output laser and the precision of laser rays.
Above-mentioned level also comprises the three-dimensional beam splitting system of two positive square glass prisms; The three-dimensional beam splitting system of described two positive square glass prisms comprises the first positive square glass prism and the second positive square glass prism; The described first positive square glass prism is arranged on the second catoptrical light path of described second catoptron output; The described second positive square glass prism is arranged on the transmitted light path of the described first positive square glass prism.
The above-mentioned first positive square glass prism comprises first isosceles right-angle prism and second isosceles right-angle prism of inclined-plane gummed; The described second positive square glass prism comprises the C grade waist right-angle prism and the fourth class waist right-angle prism of inclined-plane gummed.
The above-mentioned first positive square glass prism equates that with the second positive square glass prism length of side its size dimension scope is 1mm-50mm.
Above-mentioned level also comprises external Anping regulating system, and described external Anping regulating system comprises direct current generator, leveling pull bar, joint arrangement, main frame installing plate, base and Electronic bubble level detection system; Be connected by joint arrangement between described main frame installing plate and the base; Described main frame installing plate is provided with direct current generator; Described direct current generator is provided with the leveling pull bar; Described leveling pull bar is connected with base with the main frame installing plate; Described Electronic bubble level detection system is connected with Temperature Control Type single light source system, has solved laser rays and form relative position and has changed the laser rays problem on deformation that causes.
Above-mentioned first catoptron, second catoptron and first isosceles right-angle prism, second isosceles right-angle prism, C grade waist right-angle prism and fourth class waist right-angle prism all are to be made by optical glass and optical plastic.
The three-dimensional beam split axicon lens of the two positive square glass prism reflective laser level that the utility model provides by the axicon lens frame that the axicon lens reflecting module adopts thin-walled to support, efficiently solves stilt and cuts apart the problem that laser rays forms broken string; By single source high power laser module and the three-dimensional beam splitting system of two positive square glass prisms, solved the three-dimensional branch optical issue of single light source, improved the energy of output laser and the precision of laser rays; By external Anping system, solved laser rays and form relative position and changed the laser rays problem on deformation that causes, thereby improved the operating accuracy and the efficient of laser level.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a complete machine partial cutaway schematic of the present utility model;
Fig. 3 is an axicon lens reflector element structural representation of the present utility model;
Fig. 4 is an axicon lens shelf structure synoptic diagram of the present utility model;
Fig. 5 is a Temperature Control Type single light source beam splitting system structural representation of the present utility model;
Fig. 6 is the three-dimensional light-dividing principle synoptic diagram of two positive square glass prisms of the present utility model;
Fig. 7 is external of the present utility model Anping regulating system partial cutaway schematic.
Among the figure: the 1-housing; 2-axicon lens reflector element, 3-Temperature Control Type single light source beam splitting system, the three-dimensional beam splitting system of the two positive square glass prisms of 4-; 5-external Anping regulating system; the 6-first axicon lens reflecting module, the 7-second axicon lens reflecting module, 8-third hand tap mirror reflection module; 9-axicon lens frame; 10-protects form, 11-adapter sleeve, 12-axicon lens; 13-is adjustable axicon lens seat; 14-epicone runner plate, axicon lens plate under the 15-, 16-thin-walled support chip; the 17-set screw; 18-light source body, 19-laser module, this semiconductor refrigeration temperature control of 20-device; the 21-circuit board; the 22-electric battery, 23-first catoptron, 24-second catoptron; the 25-first positive square glass prism; the 26-second positive square glass prism, 27-first isosceles right-angle prism, 28-second isosceles right-angle prism; 29-C grade waist right-angle prism; 30-fourth class waist right-angle prism, 31-movement, 32-battery case; the 33-guidance panel; 34-first direct current generator, 35-second direct current generator, the 36-first leveling pull bar; the 37-second leveling pull bar; the 38-joint arrangement, 39-main frame installing plate, 40-base; 41-Electronic bubble level detection system; 43-second reflected light, 44-the 3rd reflected light, 45-the 4th reflected light; 46-the-transmitted light; 47-second transmitted light, 48-plated film light splitting surface, 49-rubber sheath.
Embodiment
Referring to Fig. 1,2, the three-dimensional beam split axicon lens of a kind of two positive square glass prisms reflective laser level that the utility model is related, its preferred embodiment is:
This laser level comprises housing 1, axicon lens reflector element 2, Temperature Control Type single light source system 3, the three-dimensional beam splitting system 4 of two positive square glass prism and the external Anping regulating system 5 that has cavity; The three-dimensional beam splitting system 4 of wherein two positive square glass prisms is arranged at the inner chamber of housing 1; Axicon lens reflector element 2 is arranged on the emitting light path of the three-dimensional beam splitting system 4 of two positive square glass prisms; Temperature Control Type single light source system 3 is arranged at the side in the housing 1; External Anping regulating system 5 is arranged at the bottom or the sidepiece of housing 1.
Referring to Fig. 3,4, axicon lens reflector element of the present utility model comprises the first axicon lens reflecting module 6, the second axicon lens reflecting module 7 and third hand tap mirror reflection module 8; The first axicon lens reflecting module 6, the second axicon lens reflecting module 7 and third hand tap mirror reflection module 8 are separately positioned on the three-dimensional emitting light path of the three-dimensional beam splitting system 4 of two positive square glass prisms.In addition, the first axicon lens reflecting module 6, the second axicon lens reflecting module 7 and third hand tap mirror reflection module 8 comprise axicon lens frame 9, protection form 10 and adapter sleeve 11 respectively; Axicon lens frame 9 is arranged in the protection form 10, and is connected with adapter sleeve 11; Protection form 10 can be made by optical plastic or optical glass, and its shape can be set to trapezoidal, also can be square, cylindrical or conical.Axicon lens frame 9 comprises axicon lens 12, adjustable axicon lens seat 13, epicone runner plate 14, is provided with following axicon lens plate 15, thin-walled support chip 16 and the set screw 17 of unthreaded hole; Wherein be vertically installed with thin-walled support chip 16 between epicone runner plate 14 and the following axicon lens plate 15; Thin-walled support chip 16 can be set to a plurality of and be uniformly distributed in epicone runner plate 14 and following axicon lens plate 15 between; Epicone runner plate 14 is provided with the mounting hole that axicon lens 12 is installed, the aperture of this mounting hole is less than the tip section diameter of axicon lens 12, regulate for convenience, axicon lens 12 can be arranged at the bottom of scalable axicon lens seat 13, and be fixed on the epicone runner plate 14 by set screw 17, can be used to regulate its position angle in the space, the laser rays that unthreaded hole is injected forms one 360 ° lasing area on the reflecting surface of axicon lens 12.
Referring to Fig. 5, the utility model also comprises Temperature Control Type single light source system, and it comprises light source body 18, laser module 19, semiconductor refrigeration temperature control device 20, circuit board 21, electric battery 22, first catoptron 23, second catoptron 24; Wherein laser module 19 and semiconductor refrigeration temperature control device 20 are arranged in the light source body 18, semiconductor refrigeration temperature control device 20 is arranged at the rear end of laser module 19, laser module 19, semiconductor refrigeration temperature control device 20 electrically connect with circuit board 21 respectively, circuit board 21 electrically connects with electric battery 22, and electric battery 22 realizes powering to complete machine by circuit board 21; Used battery is a high-energy alkaline cell, also can be rechargeable battery or lithium batteries such as nickel chromium triangle.First catoptron 23 is arranged on the output light path of laser module 19; Second catoptron 24 is arranged on the reflected light path of first catoptron 23, second catoptron, 24 outputs, second reflected light 43.The laser of laser module output of the present utility model, its wavelength is preferably 400nm-670nm.
Referring to Fig. 6, the utility model also comprises the three-dimensional beam splitting system of two positive square glass prisms; Comprising the first positive square glass prism 25 and the second positive square glass prism 26; The first positive square glass prism 25 is arranged on the light path of second reflected light 43 of described second catoptron 24 output; The first positive square glass prism 25 is made up of the inclined-plane gummed of first isosceles right-angle prism 27 and second isosceles right-angle prism 28, its cemented surface is a plated film light splitting surface 48, the light of outgoing is divided into multi beam reflected light and transmitted light, i.e. first reflected light 42, second reflected light 43, the 3rd reflected light 44 and the 4th reflected light 45 and first transmitted light 46 and second transmitted light 47; It is about 1/3 that the 3rd reflected light 44 that is wherein divided accounts for the luminous energy of second reflected light 43, and along Y direction output, as the input laser of third hand tap mirror reflection module 8, overlap with the axicon lens input light path of third hand tap mirror reflection module 8; It is about 2/3 that first transmitted light 46 that is divided accounts for the luminous energy of second reflected light 43, along Z-direction output, as the input light of the second positive square glass prism 26.The second positive square glass prism 26 is arranged on the transmitted light path of the first positive square glass prism 25 promptly, and the second positive square glass prism 26 is arranged on the light path of first transmitted light 46, the second positive square glass prism 26 is made up of the inclined-plane gummed of C grade waist right-angle prism 29 and fourth class waist right-angle prism 30, its cemented surface is the plated film light splitting surface, the 4th reflected light 45 that is divided accounts for the luminous energy about 1/2 of first transmitted light 46, export along X-direction, input laser as the second axicon lens reflecting module 7, overlap with the axicon lens input light path of the second axicon lens reflecting module 7, the 4th reflected light 45 is vertical mutually in the space with the 3rd reflected light 44; It is about 1/2 that second transmitted light 47 that is divided accounts for the luminous energy of first transmitted light 46, along Z-direction output, as the input laser of the first axicon lens reflecting module 6, overlaps with the axicon lens input light path of the first axicon lens reflecting module 6.The first positive square glass prism 25 equates that with second positive square glass prism 26 length of sides its size dimension scope is 1mm-50mm.
The first axicon lens reflecting module 6 of the present utility model, the second axicon lens reflecting module 7, third hand tap mirror reflection module 8, Temperature Control Type single light source system 3, the three-dimensional beam splitting system 4 of two positive square glass prism are arranged at housing 1 inside, form movement 31 of the present utility model, described housing also is provided with battery case 32 and circuit board 21 in 1 rear portion.Be provided with electric battery 22 in the battery case 32, electrically connect with circuit board 21.The guidance panel 33 that top, housing 1 rear portion also is provided with.The battery case of being set up on described movement 31, housing 1 and the housing 1 32, circuit board 21, guidance panel 33 are formed main frame of the present utility model.
Referring to Fig. 7, level of the present utility model also comprises external Anping regulating system 5, and the bottom that external Anping regulating system 5 is arranged at main frame is housing 1 bottom, can adjust the horizontality of main frame automatically.External Anping regulating system 5 comprises direct current generator, leveling pull bar, joint arrangement 38, main frame installing plate 39, base 40 and Electronic bubble level detection system 41; Wherein be connected by joint arrangement 38 between main frame installing plate 39 and the base 40, be provided with rubber sheath 49 between main frame installing plate 39 and the base 40; Main frame installing plate 39 is provided with direct current generator, i.e. first direct current generator 34 and second direct current generator 35; First direct current generator 34 is provided with the first leveling pull bar, 36, the first leveling pull bars 36 and is connected with base 40 with the main frame installing plate; Second direct current generator 35 is provided with the second leveling pull bar, 37, the second leveling pull bars 37 and is connected with base 40 with main frame installing plate 39.Movement 31 is arranged on the main frame installing plate 39, and Electronic bubble level detection system 41 is arranged at a side of light source body 18.Electronic bubble level detection system 41 electrically connects with circuit board 21, and first direct current generator 34, second direct current generator 35 electrically connect with circuit board 21 respectively.The information of the horizontality of the movement 31 that Electronic bubble level detection system 41 will detect in real time, after circuit board 21 is handled, drive first direct current generator 34,35 runnings of second direct current generator, drive the first leveling pull bar 36 and the second leveling pull bar 37 respectively, with joint arrangement 38 is fulcrum, adjust the horizontality of main frame installing plate 39, drive the main frame that is arranged on the main frame installing plate 39 and adjust accordingly, with the level that reaches the home position of laser rays in three dimensions or vertical.Described external Anping regulating system 5 is arranged at the bottom of the bottom shell 1 of main frame, also can be arranged at the side of housing 1.First catoptron 23 of the present utility model, second catoptron 24 and first isosceles right-angle prism 27, second isosceles right-angle prism 28, C grade waist right-angle prism 29 and fourth class waist right-angle prism 30 all can adopt optical glass and optical plastic to make.
Claims (10)
1. the three-dimensional beam split axicon lens of two positive square glass prisms reflective laser level, comprise the housing that has cavity, it is characterized in that: also comprise axicon lens reflector element, Temperature Control Type single light source system, the three-dimensional beam splitting system of two positive square glass prism and external Anping regulating system; The three-dimensional beam splitting system of described two positive square glass prisms is arranged at the inner chamber of housing; Described axicon lens reflector element is arranged on the emitting light path of the three-dimensional beam splitting system of two positive square glass prisms; Described Temperature Control Type single light source system is arranged at the side in the housing; Described external Anping regulating system is arranged at the lower end or the sidepiece of housing.
2. the three-dimensional beam split axicon lens of two positive square glass prisms according to claim 1 reflective laser level, it is characterized in that: described axicon lens reflector element comprises the first axicon lens reflecting module, the second axicon lens reflecting module and third hand tap mirror reflection module; The described first axicon lens reflecting module, the second axicon lens reflecting module and third hand tap mirror reflection module are arranged at respectively on the three-dimensional emitting light path of the three-dimensional beam splitting system of two positive square glass prisms.
3. the three-dimensional beam split axicon lens of two positive square glass prisms according to claim 2 reflective laser level, it is characterized in that: the described first axicon lens reflecting module, the second axicon lens reflecting module and third hand tap mirror reflection module comprise axicon lens frame, protection form and adapter sleeve respectively; Described axicon lens sets up and places in the protection form, and is connected with adapter sleeve.
4. the three-dimensional beam split axicon lens of two positive square glass prisms according to claim 3 reflective laser level, it is characterized in that: described axicon lens frame comprises axicon lens, adjustable axicon lens seat, epicone runner plate, is provided with following axicon lens plate, thin-walled support chip and the set screw of unthreaded hole; Be vertically installed with the thin-walled support chip between described epicone runner plate and the following axicon lens plate; Described axicon lens is arranged on the epicone runner plate by adjustable axicon lens seat, and regulates its position angle in the space by set screw.
5. according to claim 1 or the three-dimensional beam split axicon lens of 2 or 3 or 4 described two positive square glass prisms reflective laser level, it is characterized in that: described level also comprises Temperature Control Type single light source system; Described Temperature Control Type single light source system comprises light source body, laser module, first catoptron and second catoptron; Described laser module is arranged in the light source body; Described first catoptron is arranged on the laser module output light path; Second catoptron is arranged on the first mirror reflects light path; Second catoptron is exported second reflected light.
6. according to the three-dimensional beam split axicon lens of the described two positive square glass prisms of claim 5 reflective laser level, it is characterized in that: described level also comprises the three-dimensional beam splitting system of two positive square glass prisms; The three-dimensional beam splitting system of described two positive square glass prisms comprises the first positive square glass prism and the second positive square glass prism; The described first positive square glass prism is arranged on the second catoptrical light path of described second catoptron output; The described second positive square glass prism is arranged on the transmitted light path of the described first positive square glass prism.
7. according to the three-dimensional beam split axicon lens of the described two positive square glass prisms of claim 6 reflective laser level, it is characterized in that: the described first positive square glass prism comprises first isosceles right-angle prism and second isosceles right-angle prism of inclined-plane gummed; The described second positive square glass prism comprises the C grade waist right-angle prism and the fourth class waist right-angle prism of inclined-plane gummed.
8. according to the three-dimensional beam split axicon lens of the described two positive square glass prisms of claim 7 reflective laser level, it is characterized in that: the described first positive square glass prism equates that with the second positive square glass prism length of side its size dimension scope is 1mm-50mm.
9. the three-dimensional beam split axicon lens of described according to Claim 8 two positive square glass prisms reflective laser level, it is characterized in that: described level also comprises external Anping regulating system, and described external Anping regulating system comprises direct current generator, leveling pull bar, joint arrangement, main frame installing plate, base and Electronic bubble level detection system; Be connected by joint arrangement between described main frame installing plate and the base; Described main frame installing plate is provided with direct current generator; Described direct current generator is provided with the leveling pull bar; Described leveling pull bar is connected with base with the main frame installing plate; Described Electronic bubble level detection system is connected with Temperature Control Type single light source system.
10. according to the three-dimensional beam split axicon lens of the described two positive square glass prisms of claim 9 reflective laser level, it is characterized in that: described first catoptron, second catoptron and first isosceles right-angle prism, second isosceles right-angle prism, C grade waist right-angle prism and fourth class waist right-angle prism all are to be made by optical glass and optical plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206502776U CN201935695U (en) | 2010-12-09 | 2010-12-09 | Axicon lens reflective type laser demarcation device for three-dimensional spectroscopy by double square prisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206502776U CN201935695U (en) | 2010-12-09 | 2010-12-09 | Axicon lens reflective type laser demarcation device for three-dimensional spectroscopy by double square prisms |
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| Publication Number | Publication Date |
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| CN201935695U true CN201935695U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206502776U Expired - Lifetime CN201935695U (en) | 2010-12-09 | 2010-12-09 | Axicon lens reflective type laser demarcation device for three-dimensional spectroscopy by double square prisms |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110050172A (en) * | 2016-12-16 | 2019-07-23 | 罗伯特·博世有限公司 | For manufacturing the method and laser leveling device of the laser module of laser leveling device |
| CN114894169A (en) * | 2022-07-11 | 2022-08-12 | 南通迪欧安普光电科技有限公司 | Laser demarcation device with light path correcting function |
-
2010
- 2010-12-09 CN CN2010206502776U patent/CN201935695U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110050172A (en) * | 2016-12-16 | 2019-07-23 | 罗伯特·博世有限公司 | For manufacturing the method and laser leveling device of the laser module of laser leveling device |
| CN114894169A (en) * | 2022-07-11 | 2022-08-12 | 南通迪欧安普光电科技有限公司 | Laser demarcation device with light path correcting function |
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Granted publication date: 20110817 |