CN111692486A - Monitoring device for preventing high altitude object throwing - Google Patents
Monitoring device for preventing high altitude object throwing Download PDFInfo
- Publication number
- CN111692486A CN111692486A CN202010482058.XA CN202010482058A CN111692486A CN 111692486 A CN111692486 A CN 111692486A CN 202010482058 A CN202010482058 A CN 202010482058A CN 111692486 A CN111692486 A CN 111692486A
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- block
- worm wheel
- camera
- hinged
- worm
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 claims abstract 2
- 238000000429 assembly Methods 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/024—Locking means for rotational movement by positive interaction, e.g. male-female connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses a monitoring device for preventing high-altitude parabolic movement, which comprises a support, wherein a stabilizing block is arranged in the support, a regulating mechanism is arranged in the support and the stabilizing block, a transverse block is arranged at the upper end of the support, three camera shooting assemblies are transversely and equidistantly arranged on the transverse block, each camera shooting assembly comprises a hinged column arranged on the front side of the upper end of the transverse block, a camera is hinged on the hinged column, a lifting column is hinged at the rear end of the camera, an arc-shaped hole which is used for accommodating the lifting column to move and takes the hinged column as the center is arranged at the rear end of the transverse block, a rotating shaft positioned between the hinged column and the lifting column is rotatably arranged on the transverse block, a U-shaped part which is used for accommodating the lifting column to pass through and is used for driving the lifting column is arranged at the upper end of the rotating shaft, and three long. The invention has the advantages that: the left and right angles of one camera can be adjusted as required by operating the knob only by standing below, the up and down angles of the cameras can be adjusted, the operation is simple and convenient, and danger is avoided.
Description
Technical Field
The invention relates to the field of monitoring, in particular to a monitoring device for preventing high-altitude parabolic motion.
Background
Aiming at the problem of high-altitude object throwing, the important faces of the building are comprehensively monitored in real time by means of an upward camera, so that the evidence can be accurately obtained. The visual angle of camera is within certain limit, and present camera of looking up fixes on the support more, can only shoot an angle, but in the collision process of blowing in the wind and rain, other objects, can make the camera skew the shooting angle of keeping away from, also can carry out angle modulation to the camera as required sometimes moreover, this just needs the staff to climb up the support and carry out the eminence operation, and the operation is complicated and dangerous.
Disclosure of Invention
The invention mainly aims to provide a monitoring device for preventing high-altitude parabolic movement, which is simple and reliable in structure, can adjust the left and right angles of one camera as required by only standing below and operating a knob, does not need high-altitude operation, and is simple and convenient to operate.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a monitoring device for preventing high altitude parabolic, includes the support, be equipped with the firm piece in the support, be equipped with the transfer mechanism in the firm piece, the upper end of support is equipped with the horizontal piece, be provided with three subassembly of making a video recording on the horizontal piece equidistance ground, the subassembly of making a video recording includes setting up the hinge post of the front side of horizontal piece upper end, it has the camera to articulate on the hinge post, the rear end of camera articulates there is the lift post, the rear end of horizontal piece is equipped with and holds the activity of lift post and with the arc hole of hinge post as the center, be provided with on the horizontal piece with rotating ground and be located the hinge post, pivot between the lift post, the upper end of pivot is equipped with and holds the lift post passes and be used for driving the U type portion of lift post, be provided with along vertical direction equidistance ground in the support with the three major axis that the transfer mechanism is connected, the middle rotating shaft is in key joint with the long shaft positioned at the rear side, and the rotating shafts at the left side and the right side are respectively connected with the other two long shafts through transmission components.
Furthermore, the transmission assembly comprises a first worm wheel which is connected to the long shaft in a key mode, a worm is meshed at the front end of the first worm wheel, a second worm wheel which is meshed with the worm is connected to the rotating shaft in a key mode, and a fixing block which is used for containing the worm to rotate is arranged in the transverse block.
The above-mentioned setting can be through the first worm wheel rotation of major axis area, and first worm wheel area worm rotates, and the worm takes the second worm wheel to rotate, and the second worm wheel area pivot is rotated, and the pivot area U type portion rotates, and U type portion drive lift post removes along the arc hole to angle about adjusting the camera.
Further, the transfer mechanism includes the knob, the front end of knob is equipped with the rotation axis, the lower extreme of rotation axis is equipped with the key piece, the lower extreme of major axis has spur gear, second conical gear from last to having keyed joint in proper order down, the rear end meshing of second conical gear has first conical gear, the center of first conical gear is equipped with the appearance the centre bore that the rotation axis passed, the lower extreme of centre bore be equipped with key piece matched with keyway, be equipped with the appearance in the firm piece the rotation axis the rotatory groove of key piece activity, the inner wall of support is provided with the locking piece that is used for withstanding the spur gear telescopically.
The arrangement can selectively adjust the left and right angles of one camera, the knob is pulled outwards and drives the rotating shaft to move outwards, the key block on the rotating shaft can rotate in the rotating groove, when the key block reaches the front of the first conical gear corresponding to the appointed camera, the key block rotates while being slightly pulled backwards, so that the key block enters the key groove of the first conical gear, then the knob is rotated, the rotating shaft drives the first bevel gear to rotate through the key block, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the long shaft to rotate, the long shaft can directly drive the middle rotating shaft to rotate, in addition, the two long shafts can drive the first worm wheel to rotate, the first worm wheel drives the second worm wheel to rotate through the worm, the second worm wheel drives the rotating shaft to rotate, the rotating shaft drives the U-shaped part to rotate, the U-shaped part drives the lifting column to move along the arc-shaped hole, and therefore the left angle and the right angle of the camera corresponding to the conical gear are adjusted.
Furthermore, nuts are screwed at the upper end and the lower end of the lifting column, and the two nuts are respectively contacted with the upper end face and the lower end face of the transverse block.
The up-down angle of the camera can be adjusted by lifting the nut.
Further, when the first worm wheel drives the second worm wheel to rotate through the worm, the rotating speeds of the first worm wheel and the second worm wheel are the same.
The speed of adjusting the left and right angles of each camera through the knob is the same.
Furthermore, the rotating shaft is provided with indication scales. The positions of the key blocks of the rotating shaft relative to the three key grooves are seen according to the indication scales, so that the operation is convenient.
The invention has the advantages that: the left and right angles of one camera can be adjusted as required by operating the knob only by standing below, the up and down angles of the cameras can be adjusted, the operation is simple and convenient, and danger is avoided.
Drawings
FIG. 1 is a perspective view according to the present invention;
FIG. 2 is a front view in accordance with the present invention;
FIG. 3 is a bottom view in accordance with the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a cross-sectional view B-B of FIG. 2;
FIG. 6 is an enlarged view of section C of FIG. 1;
FIG. 7 is an enlarged view of section D of FIG. 3;
FIG. 8 is an enlarged view of section E of FIG. 4;
FIG. 9 is an enlarged view of section F of FIG. 4;
fig. 10 is an enlarged view of a portion G of fig. 5.
Reference numerals: 1. support, 2, horizontal piece, 21, arc hole, 3, hinge post, 4, steady piece, 41, swivelling chute, 5, transfer mechanism, 51, knob, 52, rotation axis, 53, first conical gear, 54, second conical gear, 55, spur gear, 56, locking piece, 6, major axis, 7, first worm wheel, 8, worm, 9, second worm wheel, 10, pivot, 11, U type portion, 12 lift post.
Detailed Description
As shown in fig. 1 to 10, a monitoring device for preventing high altitude parabolic comprises a support 1, a stabilizing block 4 is arranged in the support 1, a moving mechanism 5 is arranged in the support 1 and the stabilizing block 4, a transverse block 2 is arranged at the upper end of the support 1, three camera modules are arranged on the transverse block 2 at equal intervals in the transverse direction, each camera module comprises a hinged column 3 arranged at the front side of the upper end of the transverse block 2, a camera is hinged on the hinged column 3, a lifting column 12 is hinged at the rear end of the camera, an arc-shaped hole 21 which is used for accommodating the lifting column 12 and is movable and takes the hinged column 3 as the center is arranged at the rear end of the transverse block 2, a rotating shaft 10 which is arranged between the hinged column 3 and the lifting column 12 is rotatably arranged on the transverse block 2, a U-shaped part 11 which is used for allowing the lifting column 12 to pass through and is used for driving the lifting column 12 is arranged at the upper end of the rotating shaft 10, three long shafts 6 which are connected with the moving mechanism 5 are arranged in the support, the rotating shafts 10 on the left side and the right side are respectively connected with the other two long shafts 6 through transmission components.
The transmission assembly comprises a first worm wheel 7 which is connected with the long shaft 6 in a key mode, the front end of the first worm wheel 7 is meshed with a worm 8, a second worm wheel 9 which is meshed with the worm 8 is connected with the rotating shaft 10 in a key mode, and a fixing block which is used for containing the worm 8 to rotate is arranged in the transverse block 2. The above-mentioned setting can be through the first worm wheel rotation of major axis area, and first worm wheel area worm rotates, and the worm takes the second worm wheel to rotate, and the second worm wheel area pivot is rotated, and the pivot area U type portion rotates, and U type portion drive lift post removes along the arc hole to angle about adjusting the camera.
The adjusting mechanism 5 comprises a knob 51, a rotating shaft 52 is arranged at the front end of the knob 51, a key block is arranged at the lower end of the rotating shaft 52, a straight gear 55 and a second bevel gear 54 are sequentially keyed at the lower end of the long shaft 6 from top to bottom, a first bevel gear 53 is meshed at the rear end of the second bevel gear 54, a central hole for allowing the rotating shaft 52 to penetrate through is arranged at the center of the first bevel gear 53, a key groove matched with the key block is arranged at the lower end of the central hole, a rotating groove 41 for allowing the rotating shaft 52 and the key block to move is arranged in the stabilizing block 4, and a locking block 56 for propping against the straight gear 55 is arranged on the inner wall. The locking piece locks the camera to prevent deviation under the condition that the key piece is separated from the key slot. The arrangement can selectively adjust the left and right angles of one camera, the knob is pulled outwards and drives the rotating shaft to move outwards, the key block on the rotating shaft can rotate in the rotating groove, when the key block reaches the front of the first conical gear corresponding to the appointed camera, the key block rotates while being slightly pulled backwards, so that the key block enters the key groove of the first conical gear, then the knob is rotated, the rotating shaft drives the first bevel gear to rotate through the key block, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the long shaft to rotate, the long shaft can directly drive the middle rotating shaft to rotate, in addition, the two long shafts can drive the first worm wheel to rotate, the first worm wheel drives the second worm wheel to rotate through the worm, the second worm wheel drives the rotating shaft to rotate, the rotating shaft drives the U-shaped part to rotate, the U-shaped part drives the lifting column to move along the arc-shaped hole, and therefore the left angle and the right angle of the camera corresponding to the conical gear are adjusted.
The upper end and the lower end of the lifting column 12 are both screwed with nuts, and the two nuts are respectively contacted with the upper end surface and the lower end surface of the transverse block 2. The up-down angle of the camera can be adjusted by lifting the nut.
When the first worm wheel 7 rotates with the second worm wheel 9 through the worm 8, the first worm wheel 7 and the second worm wheel 9 rotate at the same speed. The speed of adjusting the left and right angles of each camera through the knob is the same.
The rotary shaft 52 is provided with an indication scale. The positions of the key blocks of the rotating shaft relative to the three key grooves are seen according to the indication scales, so that the operation is convenient.
The working principle is as follows: when the left and right angles of one camera need to be adjusted, the knob is pulled outwards to drive the rotary shaft to move outwards, the key block on the rotary shaft can rotate in the rotary groove, when the key block reaches the front of a first conical gear corresponding to a specified camera, the key block is slightly pulled backwards and rotated to enable the key block to enter a key groove of the first conical gear, then the knob is rotated, the rotary shaft drives the first conical gear to rotate through the key block, the first conical gear drives the second conical gear to rotate, the second conical gear drives the long shaft to rotate, the long shaft can directly drive the middle rotary shaft to rotate, the other two long shafts can drive the first worm gear to rotate, the first worm gear drives the second worm gear to rotate through the worm, the second worm gear drives the rotary shaft to rotate, the rotary shaft drives the U-shaped part to rotate, the U-shaped part drives the lifting column to move along the arc-shaped hole, so that the left and right angles of one camera can, the up-down angle of the camera can be adjusted by lifting the nut.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A monitoring device for preventing high altitude is parabolic, its characterized in that: comprises a bracket (1), a stabilizing block (4) is arranged in the bracket (1), a transferring mechanism (5) is arranged in the bracket (1) and the stabilizing block (4), a transverse block (2) is arranged at the upper end of the bracket (1), three camera shooting assemblies are arranged on the transverse block (2) at equal intervals, each camera shooting assembly comprises a hinged column (3) arranged at the front side of the upper end of the transverse block (2), a camera is hinged on the hinged column (3), a lifting column (12) is hinged at the rear end of the camera, an arc-shaped hole (21) which is used for accommodating the lifting column (12) to move and takes the hinged column (3) as the center is arranged at the rear end of the transverse block (2), a rotating shaft (10) which is arranged between the hinged column (3) and the lifting column (12) is arranged on the transverse block (2) in a rotating manner, the upper end of the rotating shaft (10) is provided with an accommodating U-shaped part (11) which is used for driving the lifting column (12) to pass through, be provided with along vertical direction equidistance in support (1) with three major axis (6) that transfer mechanism (5) are connected, middle pivot (10) with be located the rear side major axis (6) key joint, the left and right sides pivot (10) pass through transmission assembly respectively with two in addition major axis (6) are connected.
2. A monitoring device for preventing high altitude parabolic movement as claimed in claim 1, wherein: the transmission assembly comprises a first worm wheel (7) which is in keyed joint with the long shaft (6), a worm (8) is meshed at the front end of the first worm wheel (7), a second worm wheel (9) which is meshed with the worm (8) is in keyed joint with the rotating shaft (10), and a fixing block which is used for accommodating the worm (8) to rotate is arranged in the transverse block (2).
3. A monitoring device for preventing high altitude parabolic movement as claimed in claim 1, wherein: transfer mechanism (5) including knob (51), the front end of knob (51) is equipped with rotation axis (52), the lower extreme of rotation axis (52) is equipped with the key block, the lower extreme of major axis (6) has from last to having keyed joint spur gear (55), second conical gear (54) down in proper order, the rear end meshing of second conical gear (54) has first conical gear (53), the center of first conical gear (53) is equipped with the appearance the centre bore that rotation axis (52) passed, the lower extreme of centre bore be equipped with key block matched with keyway, be equipped with the appearance in firm piece (4) rotation axis (52), the swivelling chute (41) of key block activity, the inner wall of support (1) is provided with telescopically and is used for withstanding lock piece (56) of spur gear (55).
4. A monitoring device for preventing high altitude parabolic movement as claimed in claim 1, wherein: the upper end and the lower end of the lifting column (12) are respectively screwed with nuts, and the two nuts are respectively contacted with the upper end surface and the lower end surface of the transverse block (2).
5. A monitoring device for preventing high altitude parabolic movement according to claim 2, wherein: when the first worm wheel (7) drives the second worm wheel (9) to rotate through the worm (8), the rotating speeds of the first worm wheel (7) and the second worm wheel (9) are the same.
6. A monitoring device for preventing high altitude parabolic movement according to claim 3, wherein: the rotating shaft (52) is provided with indication scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482058.XA CN111692486A (en) | 2020-05-29 | 2020-05-29 | Monitoring device for preventing high altitude object throwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482058.XA CN111692486A (en) | 2020-05-29 | 2020-05-29 | Monitoring device for preventing high altitude object throwing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692486A true CN111692486A (en) | 2020-09-22 |
Family
ID=72478666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010482058.XA Withdrawn CN111692486A (en) | 2020-05-29 | 2020-05-29 | Monitoring device for preventing high altitude object throwing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235538A (en) * | 2020-09-30 | 2021-01-15 | 合肥市嘉辉电子科技有限公司 | Special camera for preventing high-altitude object throwing monitoring |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2260108A (en) * | 1991-10-03 | 1993-04-07 | Vinten Group Plc | Motor-driven steerable wheel units eg. for T.V. camera pedestals |
| CN206669266U (en) * | 2017-04-15 | 2017-11-24 | 江苏安永智能科技有限公司 | A kind of adjustable monitoring system for residential block |
| CN207540549U (en) * | 2017-12-11 | 2018-06-26 | 江苏大洲工程项目管理有限公司 | Total powerstation connection structure |
| CN208253126U (en) * | 2018-04-17 | 2018-12-18 | 天津合和视安科技有限公司 | A kind of monitor camera mounting rack facilitating arrangement |
| CN209115948U (en) * | 2018-10-11 | 2019-07-16 | 河南孚点电子科技有限公司 | A kind of adjustable camera mounting device |
| CN110513585A (en) * | 2019-08-19 | 2019-11-29 | 唐山师范学院 | A kind of high stable type computer display lifting device |
-
2020
- 2020-05-29 CN CN202010482058.XA patent/CN111692486A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2260108A (en) * | 1991-10-03 | 1993-04-07 | Vinten Group Plc | Motor-driven steerable wheel units eg. for T.V. camera pedestals |
| CN206669266U (en) * | 2017-04-15 | 2017-11-24 | 江苏安永智能科技有限公司 | A kind of adjustable monitoring system for residential block |
| CN207540549U (en) * | 2017-12-11 | 2018-06-26 | 江苏大洲工程项目管理有限公司 | Total powerstation connection structure |
| CN208253126U (en) * | 2018-04-17 | 2018-12-18 | 天津合和视安科技有限公司 | A kind of monitor camera mounting rack facilitating arrangement |
| CN209115948U (en) * | 2018-10-11 | 2019-07-16 | 河南孚点电子科技有限公司 | A kind of adjustable camera mounting device |
| CN110513585A (en) * | 2019-08-19 | 2019-11-29 | 唐山师范学院 | A kind of high stable type computer display lifting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112235538A (en) * | 2020-09-30 | 2021-01-15 | 合肥市嘉辉电子科技有限公司 | Special camera for preventing high-altitude object throwing monitoring |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200922 |