WO2019190020A1 - 레이저 표시장치 - Google Patents
레이저 표시장치 Download PDFInfo
- Publication number
- WO2019190020A1 WO2019190020A1 PCT/KR2018/014773 KR2018014773W WO2019190020A1 WO 2019190020 A1 WO2019190020 A1 WO 2019190020A1 KR 2018014773 W KR2018014773 W KR 2018014773W WO 2019190020 A1 WO2019190020 A1 WO 2019190020A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- housing
- light source
- laser light
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0905—Dividing and/or superposing multiple light beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
- G02B27/20—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective for imaging minute objects, e.g. light-pointer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
Definitions
- the present invention relates to a laser display device, and more particularly, to a laser display device that enables a user to selectively display points or lines using a laser at a desired point.
- a laser display device is used to indicate a spaced position using a laser or to measure a level.
- a laser pointer which is one of the laser display devices, includes a lens configured in front of the laser diode and a switch that supplies and cuts off a battery, which is a power source, and a battery in the rear.
- the laser pointer is operated in such a manner that when the user operates a switch to supply the battery power to the laser diode, the laser diode is turned on and the laser is irradiated in front of the laser pointer.
- Such a laser pointer serves as an indicator rod for indicating a chart or a presentation screen at a meeting, a construction site, and a briefing session.
- the present invention is to solve the problems of the prior art as described above, it is an object of the present invention to provide a laser display device that the user can selectively display points or lines.
- the present invention provides a housing that forms an interior space therein, a laser light source unit installed in the housing to irradiate laser light, an operation unit installed to be movable along an operation groove formed in the housing, and within the interior space of the housing.
- a first lens and a second lens disposed on an optical path through which the laser light moves, and including at least one of the first lens and the second lens moving in association with the operation unit; When the relative distance between the lens and the second lens is adjusted, the laser light is converted into a point light source and a line light source according to the relative distance between the first lens and the second lens yarn.
- the first lens is fixed by a lens fixing unit adjacent to the laser light source unit, and the second lens is mounted on the lens control unit 300 interlocked with the operation unit to adjust the distance from the first lens.
- the lens control unit 300 has a protrusion formed so that the operation unit is interlocked to turn on / off the laser light source unit, a lens seating unit on which the second lens is seated;
- a guide rail is further formed in the inner space of the housing so that the body of the lens control unit 300 can move in accordance with the movement of the manipulation unit.
- the first lens is formed of a convex lens
- the second lens is a convex or concave lens
- the laser light is converted into a line light source as the second lens is far from the first lens, and is converted into a point light source as the distance between the second lens and the first lens is closer.
- the convex lens of the first lens is a plano-convex lens.
- the second lens is a plano-convex lens, and a plano-concave lens.
- the inner space is formed inside, the first housing and the second housing is divided into the front, the rear and the laser light source unit is installed in the first housing to irradiate the laser light And an operation unit installed to be movable along an operation groove formed in the first housing, and disposed on an optical path through which the laser light moves in an inner space of the first housing and the second housing, respectively.
- a first lens and a second lens wherein at least one of the first lens and the second lens is moved relative to the movement of the first housing or the second housing, and is relative to the first lens and the second lens.
- the first housing and the second housing are adjusted relative distance in a telescopic manner.
- the first housing and the second housing have threads formed on the outer circumferential surface or the inner circumferential surface thereof, respectively, so that the relative distance is adjusted by rotating the first housing or the second housing.
- the laser display device according to the present invention as described above has the following effects.
- the laser display device according to the present invention can be irradiated by the user can freely select the laser light in the form of dots or lines by operating the operation unit to improve the ease of use of the laser display device, the scope of use of the laser display device is widened It works.
- the laser display device of the present invention can be used in more various ways, and the user can intuitively use it easily. There is also an effect.
- the relative distance between the two lenses is controlled to emit in the form of dots or lines, the number of parts is not greatly increased and the internal structure is very simple compared to the conventional laser display devices, and thus the manufacturing is easy.
- FIG. 1 is an external perspective view of a housing constituting a laser display device according to the present invention.
- FIG. 2 is an exploded perspective view of a laser display device according to the present invention.
- FIG 3 is a cross-sectional view of the internal structure of the housing when the laser display according to the present invention emits a point light source.
- Fig. 4 is a cross-sectional view of the internal structure of the housing when the laser display device according to the present invention emits a linear light source.
- Fig. 5 is an exploded perspective view of the internal structure of the housing when the laser display according to the present invention emits a point light source.
- Fig. 6 is an exploded perspective view of the internal structure of the housing when the laser display device according to the present invention emits a linear light source.
- FIG. 7 shows the light path when the laser light passes through the first lens and the second lens, which is the convex lens, of the laser display device according to the present invention.
- Fig. 8 shows the optical path when the laser light passes through the first lens and the second lens, which is the concave lens, of the laser display device according to the present invention.
- the present invention is not necessarily limited to these embodiments, although all of the components constituting the embodiments according to the present invention are described as being combined or operating in combination. In other words, within the scope of the present invention, all of the components may be selectively operated in combination with one or more.
- the terms “comprise”, “comprise” or “having” described above mean that the corresponding component may be inherent unless specifically stated otherwise, and thus excludes other components. It should be construed that it may further include other components instead. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Terms used generally, such as terms defined in a dictionary, should be interpreted to coincide with the contextual meaning of the related art, and shall not be interpreted in an ideal or excessively formal sense unless explicitly defined in the present invention.
- FIG. 1 is an external perspective view of a laser display device.
- the housing 100 constituting the laser display device is divided into a first housing 101 and a second housing 102.
- An operation groove 105 is formed in the first housing 101 so that the operation unit 104 capable of turning on / off the power of the laser display device moves along a predetermined path.
- the manipulation unit 104 protrudes out of the first housing 101, and when the manipulation unit 104 is pressed, the lens control unit 300 to be described later moves in association with the manipulation unit 104.
- the lens control unit 300 interlocks to turn on / off the power of the laser display device.
- the operation unit 104 is pressed once, the laser display device is turned on.
- the lens control unit 300 moves in conjunction with the point light source. Sunlight source is selectively emitted.
- An exit unit 103 is installed at the ends of the first housing 101 and the second housing 102.
- the output unit 103 is fixedly coupled to be wrapped in the first housing 101 and the second housing 102.
- the battery 400 is disposed on the opposite side of the exit unit 103.
- the battery 400 is electrically connected to the laser light source unit 200 for emitting a laser, and the laser light source unit 200 and the battery 400 are disposed at intervals, and the intervals of the lens control unit 300 will be described later. The configurations are placed.
- the laser light source unit 200 When the laser light source unit 200 emits the laser, the laser light source unit 200 passes through the first lens L1 and the second lens L2 positioned on the path of the laser, and the laser is emitted through the emission unit 103.
- the first lens L1 is placed directly in front of the laser light source unit 200 and fixed by the lens fixing unit 304 to focus the laser emitted from the laser light source unit 200.
- the laser passing through the first lens L1 passes through the second lens L2 and is then emitted through the emission unit 103.
- the second lens L2 is seated on the lens seat 303 of the lens controller 300.
- the lens controller 300 includes a body 301 for moving the lens controller 300 in cooperation with the manipulation unit 104, and a lens seat 303 in which the second lens L2 is seated.
- the body part 301 is disposed between the battery 400 and the laser light source part 200 to electrically connect each other.
- the manipulation part 104 is pressed, the body part 301 is pressed together with the laser.
- the power of the laser display device may be switched from OFF to ON by electrically connecting the light source unit 200 and the battery 400.
- a protrusion 301 ′ protrudes from the upper portion of the body portion 301, and the protrusion 301 ′ is mechanically connected to the operation unit 104.
- the protrusion 301 ′ is preferably formed integrally with the body portion 301 such that the lens control unit 300 moves according to the movement of the manipulation unit 104.
- FIG 3 and 4 illustrate a shape in which the second lens L2 is seated on the lens seat 303.
- the lens seating portion 303 has a groove formed in accordance with the shape of the lens so that the second lens (L2) is seated.
- the lens seating portion 303 is formed by extending the connecting portion 302, the connecting portion 302 is connected to the body portion 301.
- the lens seating portion 303, the connection portion 302, the body portion 301 is preferably formed integrally.
- the connecting portion 302 is seated in the second housing 102, the second housing 102 is formed with a guide rail 106 to allow the body portion 301 to slide.
- the body part 301 of the lens control part 300 connected to the operation part 104 moves along the guide rail 106.
- the distance between the first lens L1 and the second lens L2 is adjusted.
- the body part 301, the connection part 302, and the lens seating part 303 of the lens control part 300 are all formed integrally, when the operation part 104 is moved, the entire configuration of the lens control part 300 is moved.
- the body portion 301 is a sliding movement between the guide rail 106.
- the laser emitted from the laser light source unit is emitted as a point light source, and passes through the output unit 103 through the first lens L1 and the second lens L2.
- the first lens L1 is fixed so as not to move by the lens fixing part 304 to serve as a condenser lens and to further densify the laser emitted from the laser light source unit.
- the first lens L1 increases the density of the laser so that even further objects can be accurately pointed by the laser.
- the first lens L1 collects light
- the first lens L1 is formed as a convex lens.
- the first lens L1 may be a plano-convex lens having one flat surface.
- the first lens L1 may be disposed such that a flat surface is provided on an opposite side of the laser light source unit.
- the second lens L2 is seated on the lens seat 303 and moves, and emits a dense laser beam passing through the first lens L1 as a point light source or a line light source. This depends on whether the second lens L2 is within or outside the focal length f of the first lens L1, and FIG. 7 shows that the second lens L2 is the focal point of the first lens L1. (f) shows a moving shape disposed outside the distance, and FIG. 8 illustrates a moving shape in which the second lens L2 is disposed within the focal length f of the first lens L1.
- the focal length f of the first lens L1 depends on the shape of the first lens L1, the focal length f may be adjusted by processing differently as necessary.
- the first lens L1 and the second lens as shown in FIGS. 7A and 7B are illustrated.
- the distance between L2 is close, the light is emitted to the point light source, and as the distance between the first lens L1 and the second lens L2 increases, the laser is gradually converted from the point light source to the line light source and emitted.
- the first lens L1 and the first lens L1 may be formed.
- the distance between the two lenses L2 is far, the light is emitted to the point light source, and as the distance between the first lens L1 and the second lens L2 is closer, the laser is gradually converted from the point light source to the line light source.
- the convex lens of the second lens L2 is a plano-convex lens having one flat surface as shown in FIGS. 7 and 8, and the concave lens has one flat surface as the concave lens. It may be a plano-concave lens consisting of.
- the body unit 301 connected to the operation unit 104 is pressed together, and the laser light source unit 200 and the battery 400 are electrically connected to each other. Turn on the power of the laser display.
- the laser emitted from the laser light source unit is emitted as a point light source. Since the distance between the first lens L1 and the second lens L2 is short in the state where the operation unit 104 is not moved, the laser in the point light source state is emitted through the output unit 103 as it is.
- the body part 301 of the lens control part 300 moves together in the same direction as the operation part 104.
- the connection part 302 and the lens seating part 303 also move in the same direction as the operation part 104 in association with the movement of the body part 301, and at this time, the second lens seated on the lens seating part 303. (L2) moves together. Since the first lens L1 is fixed in front of the laser light source unit 200, the distance between the first lens L1 and the second lens L2 becomes greater as the operation unit 104 moves.
- the laser is gradually converted from a point light source to a linear light source, and the operation unit 104 is disposed at the end of the operation groove 105.
- the longest line light source is emitted through the exit unit 103.
- the operation unit 104 moves to the first position of the operation groove 105 again, the second lens L2 moves in association with each other, and the distance between the first lens L1 and the second lens L2 is moved. Gets closer.
- the laser emitted as the line light source returns to the point light source.
- the operation unit 104 When the laser output from the laser light source unit 200 presses the operation unit 104 once more in the state of returning to the point light source, the power of the laser display device that is ON is switched to OFF.
- the first housing 101 and the second housing 102 constituting the housing 100 are not divided into upper and lower parts as shown in FIG. 2.
- the first lens L1 is fixed to the inside of the first housing 101
- the second lens L2 is fixed to the inside of the second housing 102 so that the first housing 101 is fixed.
- the distance between the first lens L1 and the second lens L2 may be adjusted by adjusting the relative distance of the second housing 102.
- the first housing 101 and the second housing 102 may slide in a telescopic manner with different diameters, and the outer surface of the first housing 101 and the second housing 102 may slide. Threads may be formed on inner surfaces of the housing 102 to adjust the distance by rotating the first housing 101 or the second housing 102.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (11)
- 내부에 내부공간을 형성하는 하우징과,상기 하우징에 설치되어 레이저빛을 조사하는 레이저광원부와,상기 하우징에 형성된 조작홈을 따라서 이동가능하도록 설치되는 조작부와,상기 하우징의 내부공간 내에서 상기 레이저빛이 이동하는 광경로 상에 배치되되 서로 상대이동 가능한 제1렌즈와 제2렌즈를 포함하고,상기 제1렌즈 또는 제2렌즈 중 적어도 어느 하나가 상기 조작부에 연동되어 이동하면서 상기 제1렌즈 및 제2렌즈 사이의 상대거리가 조절되면, 상기 제1렌즈와 제2렌즈 사이의 상대거리에 따라서 레이저빛이 점광원과 선광원으로 변환되는 것을 특징으로 하는 레이저 표시장치.
- 제 1 항에 있어서,상기 제1렌즈는 상기 레이저광원부와 인접하여 렌즈고정부에 의해 고정되고,상기 제2렌즈는 상기 조작부와 연동되는 렌즈제어부에 안착되어 상기 제1렌즈와의 거리가 조절되는 것을 특징으로 하는 레이저 표시장치.
- 제 2 항에 있어서, 상기 렌즈제어부는상기 조작부가 연동되도록 돌기가 형성되어 상기 레이저광원부를 ON/OFF 시키는 몸체부와,상기 제2렌즈가 안착되는 렌즈안착부와,상기 렌즈안착부와 상기 몸체부를 연결하는 연결부;로 구성되는 것을 특징으로 하는 레이저 표시장치.
- 제 1 항에 있어서, 상기 하우징의 내부공간에는상기 렌즈제어부의 몸체부가 상기 조작부의 움직임에 따라 이동할 수 있도록 안내레일이 더 형성되는 것을 특징으로 하는 레이저 표시장치.
- 제 1 항에 있어서,상기 제1렌즈는 볼록렌즈로 형성되고,상기 제2렌즈는 볼록 또는 오목렌즈인 것을 특징으로 하는 레이저 표시장치.
- 제 5 항에 있어서, 상기 레이저빛은상기 제2렌즈가 상기 제1렌즈와의 거리가 멀어질수록 선광원으로 변환하고, 상기 제2렌즈와 상기 제1렌즈와의 거리가 가까워질수록 점광원으로 변환되는 것을 특징으로 하는 레이저 표시장치.
- 제 5 항에 있어서,상기 제1렌즈의 볼록렌즈는 평-볼록 렌즈(plano-convex lens)인 것을 특징으로 하는 레이저 표시장치.
- 제 5 항에 있어서,상기 제2렌즈가 볼록렌즈면 평-볼록 렌즈(plano-convex lens)이고, 오목렌즈면 평-오목 렌즈(plano-concave lens)인 것을 특징으로 하는 레이저 표시장치.
- 내부에 내부공간을 형성하되, 전, 후방으로 나뉘어 거리가 조절되는 제1하우징 및 제2하우징과,상기 제1하우징에 설치되어 레이저빛을 조사하는 레이저광원부와,상기 제1하우징에 형성된 조작홈을 따라 이동가능하도록 설치되는 조작부와, 상기 제1하우징 및 제2하우징의 내부공간 내에서 상기 레이저빛이 이동하는 광경로 상에 각각 배치되되 서로 상대이동 가능한 제1렌즈와 제2렌즈를 포함하고,상기 제1렌즈 또는 제2렌즈 중 적어도 어느 하나가 상기 제1하우징 또는 제2하우징의 움직임에 연동되어 이동하면서 상기 제1렌즈 및 제2렌즈 사이의 상대거리가 조절되면, 상기 제1렌즈와 제2렌즈 사이의 상대거리에 따라서 레이저빛이 점광원과 선광원으로 변환되는 것을 특징으로 하는 레이저 표시장치.
- 제 9 항에 있어서,상기 제1하우징 및 제2하우징은 텔레스코픽 방식으로 상대거리가 조절되는 것을 특징으로 하는 레이저 표시장치.
- 제 9 항에 있어서,상기 제1하우징 및 제2하우징에는 각각 외주면 또는 내주면에 나사산이 형성되어 상기 제1하우징 또는 제2하우징을 회전시켜 상대거리가 조절되는 것을 특징으로 하는 레이저 표시장치.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2018-0035210 | 2018-03-27 | ||
| KR1020180035210A KR102040846B1 (ko) | 2018-03-27 | 2018-03-27 | 레이저 표시장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019190020A1 true WO2019190020A1 (ko) | 2019-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2018/014773 Ceased WO2019190020A1 (ko) | 2018-03-27 | 2018-11-28 | 레이저 표시장치 |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102040846B1 (ko) |
| WO (1) | WO2019190020A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5450148A (en) * | 1994-04-18 | 1995-09-12 | Yu S. Lin | Laser pointer with selectable pointer patterns |
| KR960027831U (ko) * | 1995-01-23 | 1996-08-17 | 선형 레이저 지시봉 | |
| KR20050092674A (ko) * | 2004-06-02 | 2005-09-22 | 이보형 | 탈부착식 레이저포인터를 구비한 휴대폰 단말기장치 |
| KR20060077630A (ko) * | 2004-12-30 | 2006-07-05 | 주식회사 멤스웨어 | 레이저포인터 |
| JP2011197340A (ja) * | 2010-03-19 | 2011-10-06 | Kopeck Japan:Kk | レーザーポインタ |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200373909Y1 (ko) * | 2004-10-25 | 2005-01-26 | 손진호 | 빔 길이 조정형 레이저 프로젝터 |
| KR101509719B1 (ko) | 2013-07-29 | 2015-04-07 | (주)초이스테크놀로지 | 전원공급장치 및 레이저 포인터 |
-
2018
- 2018-03-27 KR KR1020180035210A patent/KR102040846B1/ko not_active Expired - Fee Related
- 2018-11-28 WO PCT/KR2018/014773 patent/WO2019190020A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5450148A (en) * | 1994-04-18 | 1995-09-12 | Yu S. Lin | Laser pointer with selectable pointer patterns |
| KR960027831U (ko) * | 1995-01-23 | 1996-08-17 | 선형 레이저 지시봉 | |
| KR20050092674A (ko) * | 2004-06-02 | 2005-09-22 | 이보형 | 탈부착식 레이저포인터를 구비한 휴대폰 단말기장치 |
| KR20060077630A (ko) * | 2004-12-30 | 2006-07-05 | 주식회사 멤스웨어 | 레이저포인터 |
| JP2011197340A (ja) * | 2010-03-19 | 2011-10-06 | Kopeck Japan:Kk | レーザーポインタ |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102040846B1 (ko) | 2019-11-27 |
| KR20190113057A (ko) | 2019-10-08 |
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