CN103187479A - Method and device for sensing real end edge of hard plate with soft superfluous edge - Google Patents
Method and device for sensing real end edge of hard plate with soft superfluous edge Download PDFInfo
- Publication number
- CN103187479A CN103187479A CN2012100288448A CN201210028844A CN103187479A CN 103187479 A CN103187479 A CN 103187479A CN 2012100288448 A CN2012100288448 A CN 2012100288448A CN 201210028844 A CN201210028844 A CN 201210028844A CN 103187479 A CN103187479 A CN 103187479A
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- limit
- hard plate
- sensing
- soft superfluous
- knife
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000006073 displacement reaction Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 17
- 239000011122 softwood Substances 0.000 claims description 21
- 239000007943 implant Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008447 perception Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910021652 non-ferrous alloy Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention provides a method for sensing a real end edge of a hard plate with a soft superfluous edge, which comprises the steps of driving a cutter to displace an arc path, implanting the cutter into a soft superfluous edge at the periphery of the hard plate in the displacement process of the arc path, and continuously abutting against a real end edge of the hard plate to stop so as to sense a real position of the real end edge. The invention also provides a sensing device for implementing the method, which comprises a driver for driving the cutter to move and a sensing element arranged in the sensing device, wherein the stop position of the cutter is read by the sensing element so as to judge the real position of the real end edge.
Description
Technical field
The present invention relates to the technical field of a kind of hard plate of sensing, particularly relevant for a kind of detection technology with the hard plate on soft superfluous limit, especially use method and the device thereof on the true end limit of the automatic sensing hard of cut-off knife plate.
Background technology
The present invention relates to have the hard plate on soft superfluous limit, refer to by around a plurality of true ends limit around the plate that forms, and this plate is peripheral coats or be compounded to form softwood, this softwood is to extend to that this true end limit is peripheral to form soft superfluous limit.Described hard refer to that this plate is obviously harder compared to the hardness on this softwood or soft superfluous limit, but the hardness of non-this plate of finger is as rigid body.
Above-mentioned hard plate with soft superfluous limit; present stage technology be found in solar panel in the encapsulation procedure; its Double End is distinguished compound one deck ethylene-vinyl acetate copolymer (Ethylene Vinyl Acetate to I haven't seen you for ages; EVA) as the softwood of protecting usefulness, and the softwood backboard (Back Sheet) of one deck protection usefulness.At compound tense, for guaranteeing that above-mentioned softwood can fit in the Double End of whole solar panel fully respectively, the general fitting area that all can make this softwood exceeds the face territory on the both-end surface of this solar panel, cause at least one true end limit of this solar panel to be wrapped by and form soft superfluous limit, this at least one end limit refers to or the periphery on a plurality of ends limit all around that this soft superfluous limit can distribute and be formed at this solar panel.
Above-mentioned solar panel carries out smoothly for making the processing operation in encapsulation procedure, solar panel can be put usually on a conveying equipment (or claiming conveyer belt), so that this solar panel of carrying enters each station, processing district.And know, utilize conveying equipment carrying solar panel to enter each station, processing district before, the purpose of the automation encapsulation procedure of solar panel could be realized in the prior reference position of this solar panel of precognition.
Yet, because the above-mentioned solar panel (or claiming the hard plate) that has been compounded with softwood, its true end periphery, limit is coated by soft superfluous limit, this soft superfluous limit matter is soft, easily deflection and size differ, in the present stage technology, sensing elements such as the common OPTICAL SENSORS of using at conveying equipment or sensitive switch, certainly will be difficult to directly penetrate or the way of contact, go sensing by the actual position on the true end limit that soft superfluous limit coated, cause the solar panel that is compounded with softwood can't be on conveying equipment by its reference position of perception automatically, cause the automation packaging operation of solar panel to be had obstacles and be difficult to walk.
Summary of the invention
Purpose of the present invention is intended to solve the solar panel with soft superfluous limit, is difficult to the problem of automatic its reference position of perception on conveying equipment, and then provides a kind of hard plate with soft superfluous limit truly to hold the method for sensing on limit.Whether the method is not that solar panel is limited because of this hard plate, such as the true end limit of this hard plate has been coated by softwood and has been formed with the object on soft superfluous limit, all can use method of the present invention, automatically the actual position on the true end limit of this hard plate of perception, and then obtain the reference position of this hard plate.
The technical scheme of the invention process said method, comprise: drive a cut-off knife displacement one arc path, make this cut-off knife in this arc path displacement process, implant a soft superfluous limit of a hard plate periphery, one true end limit of continuous and this hard plate of conflicting and stopping, with sensing should true end limit an actual position.
The usefulness of said method of the present invention is:
1. utilize this cut-off knife can scratch this soft superfluous limit but the characteristic on the true end limit of this hard plate of unlikely damage, the contact element of using as sensing of the present invention.
2. utilize this cut-off knife displacement arc path, and make this soft superfluous limit of scratching that the blade of this cut-off knife is more prone to, and then implant in this soft superfluous limit.
3. utilize this arc path, can be stopped and the sensing range that stops as this cut-off knife, relying provides the equipment one sensing nargin of this method of execution.
On the implementation, above-mentioned arc path is the path of alignment amount always, and this straight line vector is perpendicular to this true end limit.Perhaps, this arc path is the path of alignment amount always, and this straight line vector be mutually an oblique angle with should truly holding between limit.
In addition, said method of the present invention comprises more and uses a sensing element, reads the stop position of this cut-off knife in this arc path displacement process, and is judged to be the described actual position on this true end limit by this stop position.
The present invention also provides a kind of sensing apparatus, said method of the present invention can specifically be implemented, and above-mentioned usefulness can be by specific implementation.The technical scheme of this sensing apparatus comprises:
This hard plate is that the peripheral compound softwood of this hard plate, this softwood extend to this periphery, true end limit and form soft superfluous limit by a plurality of true ends limit is around forming all around; This cut-off knife is to be located on the arm spare, and the described soft superfluous limit of contiguous this hard plate; One driver links this arm spare and drives this cut-off knife displacement one arc path, and this cut-off knife can be implanted in the adjoining soft superfluous limit in this arc path displacement process, and in this soft superfluous limit of conflicting should true end limit and stop; And a sensing element, be located in the described sensing apparatus, read the stop position of this cut-off knife in this arc path displacement process, to judge an actual position on this true end limit.
On the implementation, the arm spare in the said apparatus can be a swing arm or a multi-connecting-rod mechanism.This multi-connecting-rod mechanism comprises many swing arms that are articulated between a positioning end and the platform, and this cut-off knife is to be positioned on this platform, and this driver is to be located at this positioning end, and links this swing arm.
Above-mentioned driver can be a pneumatic cylinder.When driver was pneumatic cylinder, this sensing element was to be located on this pneumatic cylinder, and a cylinder bar position in this pneumatic cylinder of sensing is to read this stop position.
Said apparatus of the present invention, have simple in structure, be easy to control and the advantage of durable use.
Yet, for can be clearly and fully disclose the present invention, and give the legend of enumerating preferable enforcement, to describe its execution mode in detail as described later:
Description of drawings
Fig. 1 be the inventive method the use object overlook key diagram;
Fig. 2 be object shown in Figure 1 another execution mode overlook key diagram;
Fig. 3 a to Fig. 3 c is respectively the action key diagram of object shown in Figure 1;
Fig. 4 is the step calcspar of the inventive method;
Fig. 5 is the schematic perspective view of apparatus of the present invention;
Fig. 6 is the forward sight configuration schematic diagram of Fig. 5;
Fig. 7 is the use view of Fig. 6.
Description of reference numerals: cut-off knife 1; Blade 10; Tool rest 11; Arm spare 12; Swing arm 12a, 12b, 12c, 12d; Hard plate 2; True end limit 20; Softwood 21a, 21b; Soft superfluous limit 21; Arc path L; Straight line vector E; Oblique angle θ; Sensing nargin R; Actual position P; Specific function power F; Stop position P1; Actual position P; Driver 3; Sensing element 4; Conveying equipment 5; Positioning end 6; Floating platform 7.
Embodiment
Truly hold the method for sensing on limit in view of implementing a kind of hard plate with soft superfluous limit of the present invention, please merge and consult Fig. 1 to Fig. 4; Wherein, Fig. 1 discloses the key diagram of overlooking of object that the inventive method is used, Fig. 2 disclose object shown in Figure 1 another execution mode overlook key diagram, Fig. 3 a to Fig. 3 c illustrates the action key diagram of object shown in Figure 1 respectively, Fig. 4 is the step calcspar of the inventive method.
Shown in Fig. 1 and Fig. 3 a, for implementing the present invention, must possess a cut-off knife 1 and a hard plate 2.This cut-off knife 1 is the contact element of using as sensing, and the one end has a blade 10; This hard plate 2 is around the horizontal plate that forms by a plurality of true ends limit around it 20, and the both-end surface of hard plate is coated with a softwood 21a, 21b respectively, and the periphery that this softwood 21a, 21b extend at least one true end limit 20 forms a soft superfluous limit 21, this true end limit 20 is wrapped by is placed in this soft superfluous limit 21.
This cut-off knife 1 can adopt metal alloy, nonferrous alloy or nonmetal making.This hard plate 2 can be solar panel, and described solar panel is general most to be to adopt glass to make, and does not use except glass to make this hard plate 2 but also do not get rid of.
When this hard plate 2 is solar panel; its both-end surface is to I haven't seen you for ages the compound one deck ethylene-vinyl acetate copolymer that shields (Ethylene Vinyl Acetate respectively; EVA) as the softwood 21a that protects usefulness, and one deck is as the protection softwood 21b of backboard (Back Sheet) usefulness.At compound tense, for guaranteeing that above-mentioned softwood 21a, 21b can fit in the both-end surface of whole hard plate 2 fully respectively, the general fitting area that all can make described softwood 21a, 21b exceeds the face territory on the both-end surface of this hard plate 2, cause at least one true end limit 20 of this hard plate 2 can be wrapped by and form peripheral soft superfluous limit 21, this at least one true limit 20 of holding refers to one or the periphery on a plurality of true end limit 20 around it that this soft superfluous limit 21 can distribute and be formed at hard plate 2.
Based on above-mentioned, method for sensing of the present invention comprises the following steps that S1 is to step S3 (as shown in Figure 4):
Step S1: drive this cut-off knife 1 displacement one arc path L (shown in collocation Fig. 3 a).This arc path L is that the local path by at least one circular motion is constituted, and in the enforcement, this cut-off knife 1 can be accepted the driving of a driver (being detailed later) and this arc path of displacement L.This cut-off knife 1 is when displacement, and its blade 10 can keep straight line this arc path of form displacement L that stands upright, perhaps make blade 10 with the swing form at arc path L top offset.In addition, further implementing, this arc path L can be the path of alignment amount E always, and this straight line vector E is perpendicular to this true end limit 20 (it is shown in Figure 1 to arrange in pairs or groups), perhaps make this straight line vector E and should be mutually an oblique angle θ (it is shown in Figure 2 to arrange in pairs or groups) between the true end limit 20, facilitate the use this blade 10 and scratch this soft superfluous limit 21.The above-mentioned purpose of utilizing cut-off knife 1 displacement arc path L is to make this soft superfluous limit 20 of scratching that the blade 10 of this cut-off knife 1 is more prone to.
Step S2: make the blade 10 of this cut-off knife 1 in the displacement process of this arc path L, implant the soft superfluous limit 21 interior (shown in collocation Fig. 3 b) of 20 peripheries, true end limit of these hard plate 2 one sides.In particular, the distance between this cut-off knife 1 and this true end limit 20 must be seated within the displacement range of this arc path L; This can or artificial be passed to the position of contiguous cut-off knife 1 with hard plate 2 and obtain control via a conveying equipment; And, utilize this arc path L can be stopped as this cut-off knife 1 and the sensing range that stops, in order to the equipment one sensing nargin R of this method of execution is provided.Moreover this blade 10 must be to scratch this soft superfluous limit 21 earlier in the displacement process of this arc path L, should truly hold in the limit 20 so that implant; Above-mentioned straight line vector E with should true end limit 20 between mutual vertical or be mutually the relation of oblique angle θ, to help this blade 10 in displacement arc path L process, this soft superfluous limit 21 is scratched in namely giving in contact 21 moments of soft superfluous limit of being more prone to, so implant should true end limit 20 in.
Step S3: continuous order implants that cut-off knife blades 10 in this true end limit 20 conflict should true end limit 20 and stop (shown in collocation Fig. 3 c), with sensing should true end limit 20 an actual position P.In particular, can utilize driver to bestow this cut-off knife 1 one specific function power F (collocation Figure 1 and Figure 2) and execution arc path L displacement; This specific function power F can attachedly give this blade 10 and scratch and implant in this soft superfluous limit 21, but can be subjected to truly holding supporting of limit 20 to stop, make blade 10 1 contact should true end limit 20 moments namely stop displacement.Further, the present invention can use sensing element (being detailed later) to stop displacement moment on blade 10 contact true end limits 20, namely give and read the stop position P1 (as Fig. 3 c shown in) of this cut-off knife 1 in this arc path displacement process, record this stop position P1 via programmable controller (PLC) or computer control units such as (PC), and be judged to be the actual position P on this true end limit 20 with this stop position P1.
Above-mentioned implementation step can be embodied on the conveying equipment of putting or transmit described hard plate 2, particularly puts on the shelf at described conveying equipment and organizes a kind of sensing apparatus, implements above-mentioned steps according to this.
Sensing apparatus of the present invention for the benefit of is described, please merges and consult Fig. 5 to Fig. 7; Wherein, Fig. 5 is the schematic perspective view of apparatus of the present invention, and Fig. 6 is the forward sight configuration schematic diagram of Fig. 5, and Fig. 7 is the use view of Fig. 6.
As Fig. 5 and shown in Figure 6, this sensing apparatus comprises above-mentioned hard plate 2, cut-off knife 1, driver 3 and sensing element 4.Wherein:
This hard plate 2 is to put on a conveying equipment 5, a side of hard plate 2 is truly held possess described sensing nargin R (shown in collocation Fig. 3 a to Fig. 3 c) between limit 20 and this cut-off knife 1.This cut-off knife 1 can be that lock is organized on a tool rest 11, and is fixedly arranged on an arm spare 12 1 ends by this tool rest 11, makes the soft superfluous limit 21 of these cut-off knife 1 contiguous hard plate 2 one sides.This driver 3 is to link this arm spare 12 and drive the described arc path L of this cut-off knife 1 displacement, so that cut-off knife 1 can implant in the adjoining soft superfluous limit 21 in this arc path L displacement process, and should truly hold limit 20 and stop in this soft superfluous limit 21 of conflicting.This sensing element 4 can be to be located in the described sensing apparatus, reads the stop position P1 of this cut-off knife 1 in this arc path L displacement process, to judge the actual position P on this true end limit 20.
Further implementing, this arm spare 12 can be a swing arm or a multi-connecting-rod mechanism, so that this driver 3 drives this swing arm or multi-connecting-rod mechanism, and then drive this cut-off knife 1 and produce circular motion, and by the local path of this circular motion, constitute the displacement action of this arc path L, and this arc path L can form the path (collocation Fig. 1 and shown in Figure 6) of described straight line vector E.
On concrete enforcement, when this arm spare 12 is a multi-connecting-rod mechanism (extremely shown in Figure 7 as Fig. 5), this multi-connecting-rod mechanism comprises many swing arm 12a, 12b, 12c, 12d, and the both-end of described swing arm is articulated in respectively between a positioning end 6 and the floating platform 7 and constitutes an interlock body; This positioning end 6 can be base station end face or other fixed mesa that conveying equipment 5 one sides extend to form; This cut-off knife 1 is to be positioned on this floating platform 7 by tool rest 11; This driver 3 can be a pneumatic cylinder, and is linked between this positioning end 6 and swing arm 12a, the 12b.So configuration is ordered about this driver 3 and can be driven described swing arm 12a, 12b, 12c, 12d and swing synchronously, follows the swing of described swing arm and operates and the displacement of generation arc path L so that drive this floating platform 7.
When above-mentioned driver 3 was a pneumatic cylinder, the present invention can be used as described sensing element 4 at the sensor (belonging to known member) of pneumatic cylinder installing one cylinder bar or piston, so that sensing this pneumatic cylinder inner casing bar or position of piston.Thus, when the described swing arm of driver 3 drivings produces arc path L displacement, this sensing element 4 just can read cylinder bar or the position of piston of this pneumatic cylinder driver, and then read the stop position P1 of this cut-off knife 1 in this arc path L displacement process, judge the actual position P on this true end limit 20 according to this.
By the full and accurate explanation of above-mentioned sensing apparatus, will be realized that the above-mentioned method for sensing of the present invention can be by specific implementation, and the above-mentioned sensing apparatus of the present invention have simple in structure, be easy to control and the advantage of durable use.
Generally speaking, at the hard plate 2 with soft superfluous limit 20, the present invention utilizes above-mentioned sensing apparatus and carries out described method for sensing, really provide the effective technology scheme on the true end limit 20 that a cover can this hard plate 2 of automation sensing, and whether be not that solar panel is limited because of this hard plate 2.Therefore, such as the true end limit 20 of this hard plate 2 has had the object on soft superfluous limit 21, all can use the present invention and the automatic actual position P on the true end limit 20 of this hard plate 2 of perception, and then obtain 2 reference positions on conveying equipment of this hard plate.
Above embodiment has been only for having expressed several execution mode of the present invention, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the persond having ordinary knowledge in the technical field of the present invention without departing from the inventive concept of the premise, can also make complex deformation and improvement, these all belong to protection scope of the present invention.Therefore, the present invention should be as the criterion with the request item content that limits in the claim.
Claims (10)
1. the hard plate with soft superfluous limit is truly held the method for sensing on limit, it is characterized in that, comprising:
Drive a cut-off knife displacement one arc path, make this cut-off knife in this arc path displacement process, implant a soft superfluous limit of a hard plate periphery, a true end limit of continuous and this hard plate of conflicting and stopping, with sensing should true end limit an actual position.
2. the hard plate that has soft superfluous limit is according to claim 1 truly held the method for sensing on limit, it is characterized in that, this arc path is the path of alignment amount always, and this straight line vector is perpendicular to this true end limit.
3. the hard plate that has soft superfluous limit is according to claim 1 truly held the method for sensing on limit, it is characterized in that, this arc path is the path of alignment amount always, and this straight line vector be mutually an oblique angle with should truly holding between limit.
4. truly hold the method for sensing on limit as the hard plate that has soft superfluous limit as described in the claim 1,2 or 3, it is characterized in that, comprise more and use a sensing element, read the stop position of this cut-off knife in this arc path displacement process, and be judged to be the described actual position on this true end limit by this stop position.
5. the hard plate with soft superfluous limit is truly held the sensing apparatus on limit, it is characterized in that, this hard plate is that the peripheral compound softwood of this hard plate, this softwood extend to this periphery, true end limit and form soft superfluous limit by a plurality of true ends limit is around forming all around; Wherein, this sensing apparatus comprises:
One cut-off knife is located on the arm spare and the described soft superfluous limit of contiguous this hard plate;
One driver links this arm spare and drives this cut-off knife displacement one arc path, and this cut-off knife can be implanted in the adjoining soft superfluous limit in this arc path displacement process, and in this soft superfluous limit of conflicting should true end limit and stop; And
One sensing element is located in the described sensing apparatus, reads the stop position of this cut-off knife in this arc path displacement process, to judge an actual position on this true end limit.
6. truly hold the sensing apparatus on limit as the hard plate that has soft superfluous limit as described in the claim 5, it is characterized in that this arm spare is a swing arm.
7. truly hold the sensing apparatus on limit as the hard plate that has soft superfluous limit as described in the claim 6, it is characterized in that this arm spare is a multi-connecting-rod mechanism.
8. truly hold the sensing apparatus on limit as the hard plate that has soft superfluous limit as described in the claim 7, it is characterized in that, this multi-connecting-rod mechanism comprises many swing arms that are articulated between a positioning end and the platform, this cut-off knife is to be positioned on this platform, this driver is to be located at this positioning end, and links this swing arm.
9. truly hold the sensing apparatus on limit as the hard plate that has soft superfluous limit as described in claim 5 or 8, it is characterized in that this driver is a pneumatic cylinder.
10. truly hold the sensing apparatus on limit as the hard plate that has soft superfluous limit as described in the claim 9, it is characterized in that this sensing element is to be located on this pneumatic cylinder, a cylinder bar position in this pneumatic cylinder of sensing is to read this stop position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100149210A TW201325852A (en) | 2011-12-28 | 2011-12-28 | Method for detecting true edge of rigid board having additional flexible rim and device thereof |
| TW100149210 | 2011-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103187479A true CN103187479A (en) | 2013-07-03 |
| CN103187479B CN103187479B (en) | 2015-12-09 |
Family
ID=48678562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210028844.8A Expired - Fee Related CN103187479B (en) | 2011-12-28 | 2012-02-09 | Method and device for sensing real end edge of hard plate with soft superfluous edge |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103187479B (en) |
| TW (1) | TW201325852A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561058A (en) * | 1980-01-31 | 1985-12-24 | Mcmurtry David R | Method of and apparatus for measuring distance in numerically controlled machine tools |
| JPS6299058A (en) * | 1985-10-25 | 1987-05-08 | Dainichi Kiko Kk | Position detection for work |
| CN202443997U (en) * | 2011-12-28 | 2012-09-19 | 威光自动化科技股份有限公司 | Sensing device for real end edge of hard plate with soft superfluous edge |
-
2011
- 2011-12-28 TW TW100149210A patent/TW201325852A/en unknown
-
2012
- 2012-02-09 CN CN201210028844.8A patent/CN103187479B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561058A (en) * | 1980-01-31 | 1985-12-24 | Mcmurtry David R | Method of and apparatus for measuring distance in numerically controlled machine tools |
| JPS6299058A (en) * | 1985-10-25 | 1987-05-08 | Dainichi Kiko Kk | Position detection for work |
| CN202443997U (en) * | 2011-12-28 | 2012-09-19 | 威光自动化科技股份有限公司 | Sensing device for real end edge of hard plate with soft superfluous edge |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201325852A (en) | 2013-07-01 |
| CN103187479B (en) | 2015-12-09 |
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