CN110955344A - Industrial track ball mouse - Google Patents
Industrial track ball mouse Download PDFInfo
- Publication number
- CN110955344A CN110955344A CN201911203439.3A CN201911203439A CN110955344A CN 110955344 A CN110955344 A CN 110955344A CN 201911203439 A CN201911203439 A CN 201911203439A CN 110955344 A CN110955344 A CN 110955344A
- Authority
- CN
- China
- Prior art keywords
- trackball
- ball
- track ball
- industrial
- mouse
- 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.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03549—Trackballs
Abstract
The invention discloses an industrial track ball mouse which comprises a shell, a lubricating support ball seat, a track ball, a dustproof ring and an optical sensing assembly, wherein the shell comprises a ball containing cavity, a circuit containing cavity and a light hole; the lubricating support ball seat is provided with a first round hole, the bottom end of the track ball is installed at the bottom of the ball containing cavity through the lubricating support ball seat, and the bottom end edge of the track ball downwards extends out of the first round hole of the lubricating support ball seat; the dust ring is provided with a second round hole, the top end of the track ball is arranged at the top of the ball body accommodating cavity through the dust ring, and the edge of the top end of the track ball protrudes upwards out of the second round hole of the dust ring; the optical sensing assembly is installed in the circuit accommodating cavity. This industry trackball mouse utilizes the trackball ball seat to support the trackball and rolls, adopts the position of dust ring fixed trackball, makes the trackball roll on arbitrary installation angle, provides good control performance for the trackball.
Description
Technical Field
The invention relates to the field of computer input, in particular to an industrial track ball mouse.
Background
The traditional desktop or notebook computer uses a mouse or a track ball device to control the cursor on the computer screen to shift, and the traditional industrial track ball uses a bearing or zirconia beads as a support structure of the track ball body, so that when the track ball is vertically or obliquely installed at a large angle, the control of the track ball is invalid or the effective control effect cannot be achieved.
In the prior art, the utility model with application number CN200620149726.2 discloses an optical trackball device, which includes a base, a top cover, a trackball, a light guide plate and an optical sensing element; the bearing groove of the base is provided with a plurality of balls, the optical track ball device adopts the balls to support the track ball to roll, and the optical track ball device can cause track ball control failure or fail to achieve effective control effect when the track ball is vertically or obliquely installed at a large angle.
Disclosure of Invention
The invention aims to overcome the defects and provide an industrial track ball mouse, which utilizes a track ball seat to support a track ball to roll, adopts a dustproof ring to fix the position of the track ball, enables the track ball to roll on any installation angle and provides good operation performance for the track ball.
The technical scheme is as follows:
the industrial track ball mouse comprises a shell, a lubricating support ball seat, a track ball, a dustproof ring and an optical sensing assembly, wherein the shell comprises a ball containing cavity, a circuit containing cavity and a light hole; the lubricating support ball seat is provided with a first round hole, the bottom end of the track ball is installed at the bottom of the ball containing cavity through the lubricating support ball seat, and the bottom end edge of the track ball protrudes downwards out of the first round hole of the lubricating support ball seat; the dust ring is provided with a second round hole, the top end of the track ball is installed at the top of the ball body accommodating cavity through the dust ring, and the edge of the top end of the track ball protrudes upwards out of the second round hole of the dust ring; the optical sensing assembly is arranged in the circuit accommodating cavity and provided with sensing light rays, and the sensing light rays irradiate the trackball through the light-transmitting holes.
The lubricating supporting ball seat is made of polytetrafluoroethylene materials.
The casing includes base, upper cover, the upper cover lid closes the upper end of base, the top surface of base with the bottom surface of upper cover forms spheroid holding chamber, the light trap is established on the base, install through lubricated support ball seat in the bottom of trackball on the top surface of base, the upper cover passes through the dust ring cover is established the top of trackball.
Still include the cotton ring of bubble, the cotton ring of bubble is installed the lower extreme in the dust ring outside, the inboard lower extreme extrusion straining of upper cover is in on the lateral surface of the cotton ring of bubble.
The shell further comprises a bottom cover, the bottom cover covers the bottom surface of the base, and the bottom surface of the base and the top surface of the bottom cover form the circuit accommodating cavity.
The optical sensing assembly comprises a circuit board and a lens, the lens is installed at the top end of the circuit containing cavity and corresponds to the light-transmitting hole, the circuit board is installed at the bottom end of the circuit containing cavity, and sensing light emitted by the circuit board penetrates through the lens and irradiates the trackball through the light-transmitting hole.
The circuit board comprises a light source generating part and a signal receiving part, sensing light emitted by the light source generating part irradiates the track ball, and the sensing light reflected by the track ball is transmitted to the signal receiving part.
The circuit board further comprises a first output port and a second output port, an output through hole is formed in the lower end of the side face of the shell and communicated with the circuit accommodating cavity, and the first output port and the second output port are correspondingly installed on the circuit board through the output through hole and electrically connected with the circuit board.
The track ball is made of stainless steel materials.
The dust ring is made of polyformaldehyde materials.
It should be noted that:
the foregoing references to "first and second …" do not denote any particular quantity or order, but rather are used to distinguish one name from another.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The following illustrates the advantages or principles of the invention:
1. the invention provides an industrial track ball mouse which comprises a shell, a lubricating support ball seat, a track ball, a dustproof ring and an optical sensing assembly, wherein the shell comprises a ball containing cavity, a circuit containing cavity and a light transmission hole, the bottom end of the track ball is installed at the bottom of the ball containing cavity through the lubricating support ball seat, when the industrial track ball mouse is installed, the bottom end edge of the track ball downwards extends below a first circular hole of the lubricating support ball seat, the track ball is supported to roll through the first circular hole of the lubricating support ball seat, the top end of the track ball is installed at the top of the ball containing cavity through the dustproof ring, and the position of the track ball is fixed through the dustproof ring, so that the track ball can roll at any installation angle, and good operation and control performance is provided for the track ball.
2. The lubricating supporting ball seat is made of polytetrafluoroethylene materials, and the polytetrafluoroethylene materials have the characteristics of acid resistance, alkali resistance and various organic solvents resistance and are almost insoluble in all solvents; meanwhile, the polytetrafluoroethylene has the characteristic of high temperature resistance, has extremely low friction coefficient and can be used for lubrication, so that the lubricating support ball seat made of the polytetrafluoroethylene material can enable the trackball to roll on the lubricating support ball seat in a lubricating way, and in addition, the friction coefficient is extremely low, so that the surface abrasion of the trackball is reduced and eliminated, and the service life of the trackball mouse is prolonged.
3. The shell comprises a base and an upper cover, wherein a ball body accommodating cavity is formed by the top surface of the base and the bottom surface of the upper cover, when the track ball is installed, the lubricating and supporting ball seat at the bottom end of the track ball is installed on the top surface of the base, then the dust ring is sleeved at the top end of the track ball, the upper cover is sleeved on the outer side of the dust ring, and the periphery of the upper cover is connected with the base, so that the track ball is convenient to install.
4. The invention also comprises a foam ring which is formed by punching foam cotton through a cutting die, when in installation, after the dust ring is sleeved at the top end of the track ball, the foam ring is firstly pasted at the lower end of the outer side of the dust ring, then the upper cover is covered and installed, and the foam ring is adopted to extrude the moving space of the track ball body, thereby achieving the effect of fixing the track ball body.
5. The shell also comprises a bottom cover, and the bottom surface of the base and the top surface of the bottom cover form a circuit accommodating cavity, so that the optical sensing assembly is convenient to mount.
6. The optical sensing component comprises a circuit board and a lens, wherein sensing light emitted by the circuit board penetrates through the lens to irradiate the trackball through the light hole and is reflected back to the circuit board by the trackball, an optical sensing element captures or senses an imaging stripe signal of reflected light generated by rolling of the trackball in unit time, and a signal analysis circuit accurately calculates the moving direction and distance of the trackball, can synchronously control the cursor position on a computer screen, and can accurately control the cursor position on the screen.
7. The circuit board comprises a light source generating part and a signal receiving part, wherein light generated by the light source generating part irradiates the bottom surface of the track ball through the lens, the light reflected by the track ball is transmitted to the signal receiving part through the light hole, and then the moving direction and the distance of the track ball are analyzed and calculated through signals, so that the cursor position on the computer screen can be synchronously controlled.
8. The circuit board is provided with the first output port and the second output port, so that the output connection of the product is facilitated.
9. The dust ring is made of polyformaldehyde, polyformaldehyde is engineering plastic with excellent comprehensive performance, high mechanical properties such as strength, modulus, wear resistance, toughness, fatigue resistance and creep resistance, excellent electrical insulation, solvent resistance and processability, and is one of five common engineering plastics; polyoxymethylene is a tough, elastic material that has good creep resistance, geometric stability and impact resistance even at low temperatures.
Drawings
Fig. 1 is a schematic perspective view of an industrial trackball mouse according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of an industrial trackball mouse in accordance with an embodiment of the present invention.
FIG. 3 is a top view of an industrial trackball mouse lubrication support ball seat in accordance with an embodiment of the present invention.
FIG. 4 is a side view of an industrial trackball mouse lubrication support ball seat according to an embodiment of the invention
FIG. 5 is a cross-sectional view of an industrial trackball mouse lubrication support ball seat in accordance with an embodiment of the present invention.
FIG. 6 is a top view of an industrial trackball mouse dust ring in accordance with an embodiment of the present invention.
FIG. 7 is a cross-sectional view of an industrial trackball mouse dust ring in accordance with an embodiment of the present invention.
FIG. 8 is a top view of an industrial trackball mouse base according to an embodiment of the present invention.
FIG. 9 is a top view of an industrial trackball mouse upper cover in accordance with an embodiment of the present invention.
FIG. 10 is a top view of a bottom cover of an industrial trackball mouse in accordance with an embodiment of the present invention.
Description of reference numerals:
10. the device comprises a shell, 11, a ball containing cavity, 12, a circuit containing cavity, 13, a light hole, 14, a base, 15, an upper cover, 16, a bottom cover, 17, an output through hole, 20, a lubricating supporting ball seat, 21, a first round hole, 22, an annular base, 23, a lubricating supporting boss, 231, a horn-shaped supporting inclined plane, 30, a track ball, 40, a dust ring, 41, a second round hole, 50, an optical sensing component, 51, a circuit board, 511, a first output port, 512, a second output port, 52, a lens, 60 and a foam ring.
Detailed Description
The following provides a detailed description of embodiments of the invention.
As shown in fig. 1 to 10, the present invention provides an industrial trackball mouse, which includes a housing 10, a lubrication supporting ball seat 20, a trackball 30, a dust ring 40, and an optical sensing assembly 50, wherein the housing 10 includes a sphere accommodating cavity 11, a circuit accommodating cavity 12, and a light hole 13, and the middle of the bottom of the sphere accommodating cavity 11 is communicated with the circuit accommodating cavity 12 through the light hole 13; the lubrication support ball seat 20 has a first circular hole 21, the bottom end of the trackball 30 is mounted at the bottom of the ball receiving chamber 11 through the lubrication support ball seat 20, and the bottom end edge of the trackball 30 protrudes downward from the first circular hole 21 of the lubrication support ball seat 20; the dust ring 40 is provided with a second round hole 41, the top end of the track ball 30 is arranged at the top of the ball containing cavity 11 through the dust ring 40, and the top end edge of the track ball 30 protrudes upwards out of the second round hole 41 of the dust ring 40; the optical sensing element 50 is installed in the circuit accommodating chamber 12, and the optical sensing element 50 has sensing light rays, which are irradiated on the trackball 30 through the light-transmitting hole 13.
During the installation, the bottom edge of trackball 30 stretches out the below in the first round hole 21 of lubricated support ball seat 20 downwards, utilizes the first round hole 21 of lubricated support ball seat 20 to support trackball 30 and rolls, and the top of trackball 30 is installed at spheroid holding chamber 11 top through dust ring 40, adopts the position of dust ring 40 fixed trackball 30, makes trackball 30 roll on arbitrary installation angle, provides good control performance for trackball 30.
Wherein, the lubrication supporting ball seat 20 is made of polytetrafluoroethylene material. The polytetrafluoroethylene material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents; meanwhile, the polytetrafluoroethylene has the characteristic of high temperature resistance, has extremely low friction coefficient and can be used for lubrication, so that the lubricating support ball seat 20 made of the polytetrafluoroethylene material can enable the track ball 30 to roll on the lubricating support ball seat in a lubricating way, and in addition, the friction coefficient is extremely low, so that the surface abrasion of the track ball 30 is reduced and eliminated, and the service life of the track ball 30 mouse is prolonged.
As shown in fig. 3 to 5, the lubricating support ball seat 20 includes an annular base 22 and a lubricating support boss 23, the lubricating support boss 23 is disposed on the top surface of the annular base 22, the annular base 22 and the lubricating support boss 23 are annular, the first circular hole 21 is disposed on the lubricating support boss 23, and the lubricating support boss 23 is provided with a trumpet-shaped support inclined surface 231 along the first circular hole 21. When the mouse is installed and used, the bottom end edge of the track ball 30 protrudes downwards to the lower side of the first round hole 21, and the horn-shaped supporting inclined plane 231 of the lubricating supporting boss 23 is used for supporting the track ball 30 to roll, so that the problem of high noise of the track ball 30 is reduced and eliminated, the surface abrasion of the track ball 30 is also reduced and eliminated, and the service life of the mouse of the track ball 30 is prolonged.
The upper end opening of the trumpet-shaped supporting inclined plane 231 is larger than the lower end opening of the trumpet-shaped supporting inclined plane 231, and the lower end opening of the trumpet-shaped supporting inclined plane 231 is communicated with the inner side face of the first circular through hole. The upper end opening of the trumpet-shaped support inclined plane 231 is larger than the lower end opening of the trumpet-shaped support inclined plane 231, so that the trumpet-shaped support inclined plane is matched with the spherical track ball 30 for supporting, and the track ball 30 rolls more smoothly.
The cross-section of the annular base 22 is square. Facilitating the installation of the lubrication support ball seat 20.
The annular base 22 is integrally formed with the lubrication support boss 23. The manufacturing is convenient, and the cost is saved.
The flare angle of the flare supporting inclined surface 231 is 45 to 55 degrees. The operation of the trackball 30 is made smoother.
The casing 10 comprises a base 14 and an upper cover 15, wherein the upper cover 15 covers the upper end of the base 14, the top surface of the base 14 and the bottom surface of the upper cover 15 form a sphere containing cavity 11, a light transmission hole 13 is formed in the base 14, the bottom end of a track ball 30 is installed on the top surface of the base 14 through a lubricating support ball seat 20, and the upper cover 15 is sleeved on the top end of the track ball 30 through a dust ring 40. During installation, the bottom lubricating and supporting ball seat 20 of the track ball 30 is installed on the top surface of the base 14, then the dust ring 40 is sleeved on the top end of the track ball 30, the upper cover 15 is sleeved on the outer side of the dust ring 40, and the periphery of the upper cover 15 is connected with the base 14, so that the installation is convenient.
The housing 10 further includes a bottom cover 16, the bottom cover 16 covers the bottom surface of the base 14, and the bottom surface of the base 14 and the top surface of the bottom cover 16 form a circuit accommodating cavity 12. Installation of the optical sensing assembly 50 is facilitated.
The industrial track ball mouse also comprises a foam ring 60, wherein the foam ring 60 is arranged at the lower end of the outer side of the dust ring 40, and the lower end of the inner side of the upper cover 15 is extruded and fastened on the outer side surface of the foam ring 60. The foam ring 60 is formed by punching foam with a cutting die, during installation, after the dust ring 40 is sleeved on the top end of the track ball 30, the foam ring 60 is firstly adhered to the lower end of the outer side of the dust ring 40, then the upper cover 15 is covered and installed, and the foam ring 60 is adopted to extrude the ball moving space of the track ball 30, so that the effect of fixing the ball of the track ball 30 is achieved.
The optical sensing assembly 50 includes a circuit board 51 and a lens 52, the lens 52 is mounted at the top end of the circuit accommodating chamber 12 and corresponds to the light hole 13, the circuit board 51 is mounted at the bottom end of the circuit accommodating chamber 12, and the sensing light emitted from the circuit board 51 passes through the lens 52 and irradiates the trackball 30 through the light hole 13. The sensing light emitted from the circuit board 51 passes through the lens 52 and irradiates the trackball 30 through the light hole 13, and is reflected back to the circuit board 51 by the trackball 30, the optical sensing device captures or senses the image stripe signal of the reflected light generated by the rolling of the trackball 30 in unit time, and the signal analysis circuit accurately calculates the moving direction and distance of the trackball 30, synchronously controls the cursor position on the computer screen, and can accurately control the cursor position on the screen.
The circuit board 51 includes a light source generating portion, a signal receiving portion, a first output port 511, and a second output port 512, wherein the sensing light emitted from the light source generating portion is irradiated on the trackball 30, and the sensing light reflected from the trackball 30 is transmitted to the signal receiving portion. The light generated by the light source generator is irradiated on the bottom surface of the track ball 30 through the lens 52, the light reflected by the track ball 30 is transmitted to the signal receiver through the light hole 13, and the moving direction and distance of the track ball 30 are further analyzed and calculated through the signal, so that the cursor position on the computer screen can be synchronously controlled.
The lower end of the side surface of the housing 10 is provided with an output through hole 17, the output through hole 17 is communicated with the circuit accommodating cavity 12, and the first output port 511 and the second output port 512 are installed on the circuit board 51 by corresponding to the output through hole 17 and are electrically connected with the circuit board 51. The circuit board 51 is provided with a first output port 511 and a second output port 512, which is convenient for output connection of the product of the present invention.
The trackball 30 is made of stainless steel material. The dust ring 40 is made of polyformaldehyde material. Polyformaldehyde is engineering plastic with excellent comprehensive performance, has high mechanical properties such as strength, modulus, wear resistance, toughness, fatigue resistance and creep resistance, also has excellent electrical insulation, solvent resistance and processability, and is one of five general engineering plastics; polyoxymethylene is a tough, elastic material that has good creep resistance, geometric stability and impact resistance even at low temperatures.
The above are merely specific embodiments of the present invention, and the scope of the present invention is not limited thereby; any alterations and modifications without departing from the spirit of the invention are within the scope of the invention.
Claims (10)
1. The industrial track ball mouse is characterized by comprising a shell, a lubricating support ball seat, a track ball, a dustproof ring and an optical sensing assembly, wherein the shell comprises a ball containing cavity, a circuit containing cavity and a light hole; the lubricating support ball seat is provided with a first round hole, the bottom end of the track ball is installed at the bottom of the ball containing cavity through the lubricating support ball seat, and the bottom end edge of the track ball protrudes downwards out of the first round hole of the lubricating support ball seat; the dust ring is provided with a second round hole, the top end of the track ball is installed at the top of the ball body accommodating cavity through the dust ring, and the edge of the top end of the track ball protrudes upwards out of the second round hole of the dust ring; the optical sensing assembly is arranged in the circuit accommodating cavity and provided with sensing light rays, and the sensing light rays irradiate the trackball through the light-transmitting holes.
2. The industrial trackball mouse as claimed in claim 1 wherein the lubricating support ball seat is made of a teflon material.
3. The industrial trackball mouse as claimed in claim 1, wherein the housing comprises a base and an upper cover, the upper cover covers the upper end of the base, the top surface of the base and the bottom surface of the upper cover form the sphere-containing cavity, the light-transmitting hole is formed in the base, the bottom end of the trackball is mounted on the top surface of the base through a lubricating support ball seat, and the upper cover is sleeved on the top end of the trackball through the dust-proof ring.
4. The industrial trackball mouse as claimed in claim 3 further comprising a foam ring installed at a lower end of an outer side of the dust ring, and a lower end of an inner side of the upper cover is press-fastened to an outer side surface of the foam ring.
5. The industrial trackball mouse as claimed in claim 3 wherein the housing further comprises a bottom cover covering the bottom surface of the base, the bottom surface of the base and the top surface of the bottom cover forming the circuit receiving chamber.
6. The industrial trackball mouse as claimed in any one of claims 1 to 5 wherein the optical sensing assembly comprises a circuit board and a lens, the lens is mounted on the top end of the circuit accommodating chamber and corresponds to the light hole, the circuit board is mounted on the bottom end of the circuit accommodating chamber, and the sensing light emitted from the circuit board passes through the lens and irradiates the trackball via the light hole.
7. The industrial trackball mouse as claimed in claim 6, wherein the circuit board comprises a light source generating part and a signal receiving part, the light beam emitted from the light source generating part is irradiated on the trackball, and the light beam reflected from the trackball is transmitted to the signal receiving part.
8. The industrial trackball mouse as claimed in claim 6, wherein the circuit board further comprises a first output port and a second output port, the lower end of the side surface of the housing is provided with an output through hole, the output through hole is communicated with the circuit accommodating cavity, and the first output port and the second output port are mounted on the circuit board by corresponding to the output through hole and are electrically connected with the circuit board.
9. The industrial trackball mouse as claimed in any of claims 1 to 5 wherein the trackball is made of stainless steel material.
10. The industrial trackball mouse as claimed in any one of claims 1 to 5 wherein the dust ring is made of polyoxymethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203439.3A CN110955344A (en) | 2019-11-29 | 2019-11-29 | Industrial track ball mouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203439.3A CN110955344A (en) | 2019-11-29 | 2019-11-29 | Industrial track ball mouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110955344A true CN110955344A (en) | 2020-04-03 |
Family
ID=69979023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911203439.3A Withdrawn CN110955344A (en) | 2019-11-29 | 2019-11-29 | Industrial track ball mouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110955344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766962A (en) * | 2020-06-23 | 2020-10-13 | 徐州天彩电子科技有限公司 | High-sensitivity industrial display control terminal optical track ball and control system thereof |
-
2019
- 2019-11-29 CN CN201911203439.3A patent/CN110955344A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766962A (en) * | 2020-06-23 | 2020-10-13 | 徐州天彩电子科技有限公司 | High-sensitivity industrial display control terminal optical track ball and control system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110955344A (en) | Industrial track ball mouse | |
| CN210721398U (en) | Industrial track ball mouse | |
| JPH0916325A (en) | Input device and input processing method for computer or the like | |
| US10768042B2 (en) | Weigh module with load-transmitting arrangement | |
| US10203407B2 (en) | Illumination device and detection method thereof | |
| EP3411677A1 (en) | Weigh module | |
| CN111766962A (en) | High-sensitivity industrial display control terminal optical track ball and control system thereof | |
| CN110955343A (en) | Track ball seat and track ball installation bearing structure | |
| CN115421132B (en) | 3D scanning radar with installation angle error is from correcting function | |
| US11774424B2 (en) | Integrated sensor | |
| CN212721643U (en) | Radar antenna and radar level gauge | |
| CN217588033U (en) | Waterproof track ball optical mouse | |
| CN111448444B (en) | Environment composite sensor device | |
| CN212134948U (en) | Laser radar and cleaning robot | |
| US20190041256A1 (en) | Weigh module with guiding arrangement | |
| CN113494961B (en) | Color difference detector for LED lamp of server | |
| CN113446370B (en) | Self-lubricating ball screw | |
| CN219474739U (en) | Liquid level detector with refraction structure | |
| CN219201919U (en) | 3D scanning radar with installation angle error self-correcting function | |
| CN220553187U (en) | Smoke sensing detector | |
| CN219122611U (en) | Magnetic induction knob with key function and electric appliance | |
| CN220571016U (en) | Lifting detection mechanism and robot mowing | |
| CN219869529U (en) | Displacement detection device and electronic equipment | |
| CN218955703U (en) | Graphite piston inspection device | |
| CN214965581U (en) | High-precision height measuring device |
Legal Events
| 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: 20200403 |