CN111878723A - Desk lamp capable of intelligently adjusting light according to environmental light sensitivity - Google Patents
Desk lamp capable of intelligently adjusting light according to environmental light sensitivity Download PDFInfo
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- CN111878723A CN111878723A CN202010672369.2A CN202010672369A CN111878723A CN 111878723 A CN111878723 A CN 111878723A CN 202010672369 A CN202010672369 A CN 202010672369A CN 111878723 A CN111878723 A CN 111878723A
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- lamp
- desk lamp
- shell
- illumination
- intelligently adjusting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/002—Table lamps, e.g. for ambient lighting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a desk lamp capable of intelligently adjusting light according to environmental light sensing, wherein a photosensitive sensor for sensing environmental illumination and a singlechip module for controlling are arranged in a base outer shell, the photosensitive sensor is electrically connected to the singlechip module, the singlechip module is connected to a control circuit of a lamp bead, the photosensitive sensor senses the intensity of external illumination and generates a corresponding sensing signal and transmits the sensing signal to the singlechip module, and the singlechip module outputs an illumination intensity control signal to the control circuit of the lamp bead according to the sensing signal. The invention provides a desk lamp, which senses external illumination by arranging a circuit with light sensing capability and controls the self-lighting condition of the desk lamp according to the illumination condition so as to realize that the desk lamp generates proper illumination and harmonious illumination without damaging eyes, and is intelligently controlled and convenient to use.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to a desk lamp capable of intelligently adjusting light according to environmental light sensitivity.
Background
The desk lamp is widely demanded by people as a daily common small household appliance, and simultaneously along with the development of desk lamp technology, the desk lamp has evolved into a design with multiple functions and structures. The existing desk lamp needs to meet the requirement that light can irradiate to multiple directions, and simultaneously, the direct irradiation is avoided from causing discomfort to eyes by utilizing a polarized light irradiation principle. Therefore, a corresponding structure of the desk lamp needs to be designed based on the effect requirement. Meanwhile, other illumination in the environment is often provided in the use of the existing desk lamp, and a better use state is that the desk lamp can generate adaptive desk lamp illumination according to the illumination condition of the environment, so that the desk lamp is not too bright to cause dazzling and adverse eye health, and is not too dark to cause inconvenience in use. The change of the illumination of the current desk lamp is not existed in the existing desk lamp, and is in a fixed illumination state, or needs manual adjustment, and is troublesome to operate. Therefore, in the present day that the intelligent and automatic design concept is more and more accepted, it is necessary to design a desk lamp capable of intelligently adjusting light.
Disclosure of Invention
In view of the above problems. The invention aims to provide a desk lamp capable of intelligently adjusting light according to ambient light sensitivity.
The technical scheme of the invention is as follows: the desk lamp capable of intelligently adjusting light according to environmental sensitization further comprises a base assembly, the base assembly comprises a base outer shell, other functional components used for the desk lamp are arranged in the base outer shell, a vertical rod is arranged on the upper surface of the base outer shell, one end of the vertical rod is hinged to the base outer shell, the other end of the vertical rod is hinged to a transverse rod piece, a lamp head assembly is hinged to the free end of the transverse rod piece, and the lamp head assembly comprises a lamp bead used for emitting light;
the lamp is characterized in that a photosensitive sensor used for sensing the ambient illumination and a single-chip microcomputer module used for controlling are arranged in the base shell, the photosensitive sensor is electrically connected to the single-chip microcomputer module, the single-chip microcomputer module is connected to a control circuit of the lamp bead, the photosensitive sensor senses the external illumination and then generates a corresponding sensing signal, the sensing signal is transmitted to the single-chip microcomputer module, and the single-chip microcomputer module outputs an illumination intensity control signal to the control circuit of the lamp bead according to the sensing signal.
Further, the photosensitive sensor is a photosensitive tube.
Furthermore, a touch chip is adopted as the singlechip module, the photosensitive tube outputs direct current voltage with different numerical values to the touch chip according to the intensity of external illumination, and the touch chip outputs the working current of the lamp bead according to the input direct current voltage so as to realize the control of the illumination intensity of the lamp bead.
Furthermore, the lamp cap assembly comprises a support column, one end of the support column is rotatably connected to the cross rod piece, the straight line where the cross rod piece is located is taken as an x axis, the central axis of a rotating shaft rotatably connected between the support column and the cross rod piece is taken as a y axis, the intersection point of the x axis and the y axis is taken as an origin point, a z axis is led out from the origin point and is vertical to an xy plane, and the plane where the rotating direction of the support column relative to the cross rod piece is located is coplanar with an xz plane;
the lamp holder assembly comprises a lamp holder shell, an opening is formed in the lamp holder shell, a light-transmitting lamp shell cover plate is arranged on the opening, the other end of the support column is rotatably connected to the lamp holder shell, and the plane where the rotating direction of the lamp holder shell relative to the support column is located is parallel to the y axis. The lamp shell is characterized in that a lamp panel is arranged between the lamp shell cover plate and the lamp cap shell, a plurality of lamp beads are arranged on the lamp panel, and a plane where any one of the lamp beads and the adjacent lamp beads are arranged and a plane where the lamp shell cover plate is opposite to the strut in the rotating direction form an included angle of 130-140 degrees.
Furthermore, a reflector is arranged between the lamp cap shell and the lamp shell cover plate, and the reflector is arranged close to the lamp panel and is fixedly arranged on the lamp cap shell; the lamp plate becomes straight platelike, just lamp pearl sets up uniformly on the lamp plate.
Furthermore, a through hole is formed in the lamp holder shell, and the support column penetrates through the through hole to form rotatable connection.
Further, the rotation angle of the support on the lamp head shell is 220 degrees.
Furthermore, the upper end of pillar is formed with a cylindric rotation knot, correspondingly, be provided with two cylindric rotation knots side by side on the member bar, and be located rotate the both sides of knot on the pillar, three it forms rotating-structure to rotate the knot and pass through a axis of rotation.
Further, the rotation angle of the upright post relative to the cross rod piece is 320 degrees.
Has the advantages that: the desk lamp provided by the invention has the advantages that the conception is novel, the structure is ingenious, the use is convenient, the circuit with the light sensing capability is arranged to sense external illumination, meanwhile, the self illumination condition of the desk lamp is controlled according to the illumination condition, the desk lamp can generate proper illumination, harmonious illumination and no damage to eyes, and the desk lamp is intelligently controlled and convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the desk lamp in the invention.
Fig. 2 is a schematic diagram of a circuit structure for controlling the illumination of the lamp beads in the invention.
Fig. 3 is a schematic cross-sectional view of fig. 1.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
example one
Please refer to fig. 1 and 2, which provide a desk lamp capable of intelligently adjusting light according to environmental light sensing, comprising a base assembly 1, wherein the base assembly 1 comprises a base outer shell 1a, other functional components for the desk lamp are arranged in the base outer shell 1a, a vertical rod 2 is arranged on the upper surface of the base outer shell 1a, one end of the vertical rod 2 is hinged to the base outer shell 1a, the other end of the vertical rod is hinged to a cross rod 3, the free end of the cross rod 3 is hinged to a lamp holder assembly 4, and the lamp holder assembly 4 comprises a lamp bead for emitting light. Be provided with the photosensitive sensor 1b who is used for responding to the environment illuminance and the single chip module 1c who is used for control in base shell body 1a, and photosensitive sensor 1b electricity is connected to single chip module 1c, single chip module 1c inserts the control circuit 1d of lamp pearl, photosensitive sensor 1b responds to the outside irradiant strong and weak back and produces corresponding sensing signal, and transmit single chip module 1c, single chip module 1c exports the control circuit 1d of illumination intensity control signal to lamp pearl according to sensing signal. Preferably, the photosensor 1b is a photodiode. Preferably, the touch chip is used as the single chip microcomputer module 1c, the photosensitive tube outputs direct current voltage with different numerical values to the touch chip according to the intensity of external illumination, and the touch chip outputs the working current of the lamp bead according to the input direct current voltage so as to control the illumination intensity of the lamp bead.
In this scheme, overall structure is last, adopts base subassembly 1, pole setting 2, horizontal pole piece 3 and lamp holder subassembly 4 to form the desk lamp wholly. Meanwhile, a circuit system used for controlling the illumination of the lamp beads is arranged in the base outer shell 1a and comprises a photosensitive sensor 1b, a single chip microcomputer module 1c and a power supply control circuit 1d of the lamp beads. In particular implementation, the photosensitive tube is preferably used as a photosensitive sensor, and the touch chip plays a role of the singlechip module 1 c. When the adjustment work is carried out according to the ambient illumination, the corresponding work distance and steps are as follows:
s100, generating illumination with the illumination intensity of E1 in the environment;
s200, the photosensitive sensor senses the illuminance E1 in the previous step and generates corresponding direct current as a sensing signal S1, and the sensing signal S1 is transmitted to the singlechip module;
s300, the single chip microcomputer module receives the induction signal S1, performs internal operation, and outputs a control signal S2 to a power supply control circuit of the lamp bead;
s400, after the power supply control circuit of the lamp bead receives the control signal S2, the power supply current of the lamp bead is controlled to be I, and the illumination intensity generated by the lamp bead is E2.
In the above steps, when implemented as hardware, the photosensitive sensor may be a photosensitive tube, and the single chip module is a touch chip. One illuminance E1 is sensed, calculated and controlled to correspondingly generate one illuminance E2, and the specific corresponding relation is realized in the singlechip microcomputer module through programming.
It should be noted that there are some basic technologies in the present solution, for example, the sensor setting requires selection and access of the exposure and control circuit 1d, which are well known to those skilled in the art, and are not described herein.
Example two
Referring to fig. 1, 3 and 4, on the basis of the first embodiment, a structure of a desk lamp is specifically provided, which includes a base assembly 1, where the base assembly 1 includes a base outer casing, and other functional components for the desk lamp are disposed in the base outer casing. The upper surface of base shell body is provided with pole setting 2, just the one end of pole setting 2 articulates to the base shell body, and the other end articulates there is horizontal member 3, just the free end of horizontal member 3 articulates there is lamp holder subassembly 4.
As shown in fig. 4, the lamp head assembly 4 includes a support column 4a, one end of the support column 4a is rotatably connected to the crossbar member 3, a straight line where the crossbar member 3 is located is used as an x-axis, a central axis of a rotating shaft rotatably connected between the support column 4a and the crossbar member 3 is used as a y-axis, an intersection point of the x-axis and the y-axis is used as an origin, a z-axis perpendicular to an xy-plane is drawn from the origin, and a plane where the rotation direction of the support column 4a relative to the crossbar member 3 is located is coplanar with the xz-plane. The lamp cap assembly 4 includes a lamp cap housing 4b, an opening is formed on the lamp cap housing 4b, and a translucent lamp housing cover plate 4c is disposed on the opening. The other end of the support post 4a is rotatably connected to the lamp head housing 4b, and a plane of the lamp head housing 4b relative to the rotation direction of the support post 4a is parallel to the y-axis. A lamp panel 4d is arranged between the lamp housing cover plate 4c and the lamp cap housing 4b, a plurality of lamp beads are arranged on the lamp panel 4d, and a plane where any one of the lamp beads and the adjacent lamp beads are arranged forms an included angle of 130-140 degrees with a plane where the lamp housing cover plate 4c is located relative to the rotation direction of the support 4 a.
In the above basic solution, the cross bar 3 provides a supporting function and the lamp head assembly 4 is rotatably adjusted by the support 4a, specifically, as mentioned above, the support 4a and the cross bar 3 rotate on the xz plane, and the plane where the support 4a and the lamp head housing 4b rotate is parallel to the y axis. In practical implementation, the support 4a can be rotated to different angles relative to the crossbar member 3, and the rotation generated after the support 4a is rotated to any position is practically parallel to the y-axis due to the arrangement of the lamp head housing 4b, and is not limited to the structural shape of the support 4 a. Because the design of the invention aims to generate the polarized light source by arranging the lamp panel 4d, and the light source mainly emits light through the lamp beads on the lamp panel, the condition can be met as long as the direction of the combined light emission irradiation formed by the lamp beads and the lamp beads is polarized light. Therefore above-mentioned arbitrary lamp pearl and near lamp pearl form arrange the plane at place should be understood several lamp pearls under luminous shining, form the plane that the geometry was arranged the place, be not limited to the concrete structural style of lamp plate body, simultaneously, because in the reality, the plate body structure of lamp plate is various, for the convenience of expression and description, above-mentioned expression has described a basic, the form under the idealization geometry scene, other for example lamp plate body exist local not smooth, local echelonment structure etc. all in the required within range of this scheme.
When the lamp holder is implemented specifically, a reflector 5 is arranged between the lamp holder shell 4b and the lamp housing cover plate 4c, and the reflector 5 is close to the lamp panel 4d and is fixedly arranged on the lamp holder shell 4 b. By arranging the reflector 5, light can be reflected to more directions conveniently.
Further, lamp plate 4d becomes straight platelike, just lamp pearl sets up uniformly on lamp plate 4 d. Through setting lamp plate 4d to straight platelike, make its result of use better.
Further, a through hole is formed in the lamp head housing 4b, and the support post 4a is rotatably connected through the through hole. In this preferred embodiment, a specific rotational arrangement of the support 4a to the lamp base housing 4b is provided. Meanwhile, as shown in fig. 4, the rotation angle of the stay 4a on the base housing 4b is 220 °.
Further, a cylindrical rotating knot is formed at the upper end of the pillar 4a, correspondingly, two parallel cylindrical rotating knots are arranged on the cross rod member 3 and located on two sides of the rotating knot on the pillar 4a, and the three rotating knots penetrate through a rotating shaft to form a rotating structure. The improvement gives in particular a particular rotational arrangement of the strut 4a on the crossbar member 3. Meanwhile, as shown in fig. 4, the rotation angle of the upright 4a with respect to the crossbar member 3 is 320 °.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The desk lamp capable of intelligently adjusting light according to environmental sensitization is characterized by further comprising a base assembly (1), wherein the base assembly (1) comprises a base outer shell (1 a), other functional components used for the desk lamp are arranged in the base outer shell (1 a), a vertical rod (2) is arranged on the upper surface of the base outer shell (1 a), one end of the vertical rod (2) is hinged to the base outer shell (1 a), the other end of the vertical rod is hinged to a transverse rod piece (3), a lamp head assembly (4) is hinged to the free end of the transverse rod piece (3), and the lamp head assembly (4) comprises a lamp bead used for emitting light;
be provided with in base shell body (1 a) photosensitive sensor (1 b) that is used for responding to the environment illuminance and single chip module (1 c) that is used for control, just photosensitive sensor (1 b) electricity is connected to single chip module (1 c), single chip module (1 c) inserts the control circuit of lamp pearl, photosensitive sensor (1 b) responds to the ambient light strong and weak back and produces corresponding sensing signal, and transmits to single chip module (1 c), single chip module (1 c) basis sensing signal comes output illumination intensity control signal to the control circuit of lamp pearl.
2. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity of claim 1, wherein: the photosensitive sensor (1 b) is a photosensitive tube.
3. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity of claim 2, wherein: a touch chip is adopted as the single chip microcomputer module (1 c), the photosensitive tube outputs direct current voltage with different numerical values to the touch chip according to the intensity of external illumination, and the touch chip outputs the working current of the lamp bead according to the input direct current voltage so as to control the illumination intensity of the lamp bead.
4. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity of claim 3, wherein: the lamp holder assembly (4) comprises a support post (4 a), one end of the support post (4 a) is rotatably connected to the cross rod piece (3), a straight line where the cross rod piece (3) is located is used as an x-axis, a central axis of a rotating shaft rotationally connected between the support post (4 a) and the cross rod piece (3) is used as a y-axis, an intersection point of the x-axis and the y-axis is used as an origin point, a z-axis is led out from the origin point to be perpendicular to an xy plane, and a plane where the support post (4 a) is located relative to the rotating direction of the cross rod piece (3) is coplanar with the xz plane;
the lamp holder assembly (4) comprises a lamp holder shell (4 b), an opening is formed in the lamp holder shell (4 b), a light-transmitting lamp housing cover plate (4 c) is arranged on the opening, the other end of the support column (4 a) is rotatably connected to the lamp holder shell (4 b), and a plane where the rotating direction of the lamp holder shell (4 b) relative to the support column (4 a) is located is parallel to the y axis; a lamp panel (4 d) is arranged between the lamp housing cover plate (4 c) and the lamp cap housing (4 b), a plurality of lamp beads are arranged on the lamp panel (4 d), and a plane where any one lamp bead and the lamp beads nearby form an arrangement position and a plane where the lamp housing cover plate (4 c) is opposite to the rotation direction of the support column (4 a) are at an included angle of 130-140 degrees.
5. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity, as claimed in claim 4, wherein: a reflector (5) is arranged between the lamp cap shell (4 b) and the lamp shell cover plate (4 c), and the reflector (5) is arranged close to the lamp panel (4 d) and is fixedly arranged on the lamp cap shell (4 b); the lamp plate (4 d) becomes straight plate-shaped, and the lamp beads are uniformly arranged on the lamp plate (4 d).
6. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity of claim 5, wherein: the lamp holder shell (4 b) is provided with a through hole, and the support post (4 a) penetrates through the through hole to form a rotatable connection.
7. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity of claim 6, wherein: the angle of rotation of the support (4 a) on the base housing (4 b) is 220 °.
8. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity of claim 7, wherein: the upper end of pillar (4 a) is formed with a cylindric rotation knot, correspondingly, be provided with two cylindric rotation knots side by side on horizontal pole piece (3), and be located the both sides of rotating the knot on pillar (4 a), three it forms rotating-structure to rotate the knot through a axis of rotation.
9. The desk lamp capable of intelligently adjusting light according to ambient light sensitivity of claim 8, wherein: the rotation angle of the upright post (4 a) relative to the cross rod piece (3) is 320 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010672369.2A CN111878723A (en) | 2020-07-14 | 2020-07-14 | Desk lamp capable of intelligently adjusting light according to environmental light sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010672369.2A CN111878723A (en) | 2020-07-14 | 2020-07-14 | Desk lamp capable of intelligently adjusting light according to environmental light sensitivity |
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| Publication Number | Publication Date |
|---|---|
| CN111878723A true CN111878723A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010672369.2A Pending CN111878723A (en) | 2020-07-14 | 2020-07-14 | Desk lamp capable of intelligently adjusting light according to environmental light sensitivity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508710A (en) * | 2020-11-16 | 2022-05-17 | 深圳慧安康科技有限公司 | Multifunctional desk lamp |
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| CN203823553U (en) * | 2014-03-31 | 2014-09-10 | 苏州腾沃电子有限公司 | Intelligent photosensitivetable lamp |
| CN203880612U (en) * | 2014-06-04 | 2014-10-15 | 闵长伟 | Novel LED table lamp holder |
| CN204494190U (en) * | 2015-04-09 | 2015-07-22 | 上海学习之光电子科技有限公司 | LED reads and writes visual task desk lamp |
| CN106523973A (en) * | 2016-12-08 | 2017-03-22 | 宁波飞拓电器有限公司 | Table lamp capable of refracting light rays through multiple slopes |
| CN207455269U (en) * | 2017-11-10 | 2018-06-05 | 管劲松 | It is a kind of to entangle appearance eye-protecting desk lamp with long-distance monitorng device |
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2020
- 2020-07-14 CN CN202010672369.2A patent/CN111878723A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203823553U (en) * | 2014-03-31 | 2014-09-10 | 苏州腾沃电子有限公司 | Intelligent photosensitivetable lamp |
| CN203880612U (en) * | 2014-06-04 | 2014-10-15 | 闵长伟 | Novel LED table lamp holder |
| CN204494190U (en) * | 2015-04-09 | 2015-07-22 | 上海学习之光电子科技有限公司 | LED reads and writes visual task desk lamp |
| CN106523973A (en) * | 2016-12-08 | 2017-03-22 | 宁波飞拓电器有限公司 | Table lamp capable of refracting light rays through multiple slopes |
| CN207455269U (en) * | 2017-11-10 | 2018-06-05 | 管劲松 | It is a kind of to entangle appearance eye-protecting desk lamp with long-distance monitorng device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114508710A (en) * | 2020-11-16 | 2022-05-17 | 深圳慧安康科技有限公司 | Multifunctional desk lamp |
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Application publication date: 20201103 |