CN107462145A - Digital display centimeter based on wireless telecommunications - Google Patents
Digital display centimeter based on wireless telecommunications Download PDFInfo
- Publication number
- CN107462145A CN107462145A CN201710659803.1A CN201710659803A CN107462145A CN 107462145 A CN107462145 A CN 107462145A CN 201710659803 A CN201710659803 A CN 201710659803A CN 107462145 A CN107462145 A CN 107462145A
- Authority
- CN
- China
- Prior art keywords
- watchcase
- digital display
- circuit plate
- wireless telecommunications
- display centimeter
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/001—Constructional details of gauge heads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/34—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble of the tubular type, i.e. for indicating the level in one direction only
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromechanical Clocks (AREA)
Abstract
The invention discloses a kind of digital display centimeter based on wireless telecommunications, including：Display screen, measurement bar, watchcase, shell of revolution, slide rheostat, back-moving spring, antenna, communicating circuit plate, communication chip, the first battery, two laser modules, two receiving modules, laser circuit plate, the second battery；Wherein, display screen exposes in the front side of watchcase, and measurement bar and watchcase form being slidably connected in the first direction, and slide rheostat includes rheostat main body and sliding block, sliding block can relative rheostat main body slip, sliding block be connected to measurement bar；Back-moving spring one end is connected to the watchcase other end and is connected to measurement bar；Antenna is arranged on the top of watchcase, the main accommodating chamber for being arranged on watchcase that communicating circuit plate is fixed, and antenna is electrically connected to communicating circuit plate, and communication chip is attached to communicating circuit plate.The present invention is advantageous in that：A kind of digital display centimeter with wireless communication function is provided.
Description
Technical field
The present invention relates to a kind of dial gauge, and in particular to a kind of digital display centimeter based on wireless telecommunications.
Background technology
Dial gauge is usually used in the linear measure longimetry of Geometrical Error and thin tail sheep.It is printed with the round dial of dial gauge
100 evenly divideds, i.e., each scale division value move 0.01 millimeter equivalent to gauge rod.If 1000 deciles are printed with round dial
Scale, then each scale division value is 0.001 millimeter, and this survey tool is referred to as amesdial.Change gauge head shape and be equipped with corresponding
Support, can be made into the deformation kind of dial gauge, such as thickness dial gauge, depth dial gauge and dial bore gage.Such as use lever
Lever indicator and dial test indicator are can be made into instead of rack, its indication range is smaller, but sensitivity is higher.In addition, they
Gauge head can rotate in certain angle, adapt to the measurement of different directions, compact-sized.They are applied to measure common dial gauge
The Geometrical Error of the cylindrical, aperture and groove that are difficult to measure etc..
Digital display centimeter is to use electrical principles to carry out detection so as to show reading, existing digital display hundred in a manner of digital display
Divide table to carry out reading by the way of artificial reading, be unsuitable for measuring on a large scale.
The content of the invention
A kind of digital display centimeter based on wireless telecommunications, including：Display screen, measurement bar, watchcase, shell of revolution, slide variable resistance
Device, back-moving spring, antenna, communicating circuit plate, communication chip, the first battery, two laser modules, two receiving modules, laser
Circuit board, the second battery；Wherein, display screen exposes forms slip in the first direction with watchcase in the front side of watchcase, measurement bar
Connection, shell of revolution are formed with watchcase and are rotatablely connected, and the relative rotation axis of shell of revolution and watchcase is perpendicular to first direction；In watchcase
Portion is provided with main accommodating chamber, and shell of revolution is provided with rotation accommodating chamber, and main accommodating chamber connects with rotation accommodating chamber, and slide rheostat includes becoming
Device main body and sliding block are hindered, sliding block rheostat main body can slide relatively, and rheostat main body is fixedly provided in the main accommodating chamber of watchcase
In, sliding block is connected to measurement bar；Back-moving spring one end is connected to the watchcase other end and is connected to measurement bar；Antenna is arranged on watchcase
Top, the main accommodating chamber for being arranged on watchcase that communicating circuit plate is fixed, antenna are electrically connected to communicating circuit plate, communication chip peace
Communicating circuit plate is filled to, the first battery is electrically connected to communicating circuit plate, and the first battery and communication chip are respectively positioned at communication electricity
The both sides of road plate；Shell of revolution includes rotating part and two extensions for being symmetricly set on rotating part both sides, two laser mould splits
It is not symmetrically disposed in two extensions, two receiving modules respectively symmetrically are arranged in two extensions；Laser circuit
Plate is arranged in the rotating part of shell of revolution, and two laser modules are electrically connected to laser circuit plate, and the second battery is arranged on rotation
It is electrically connected with the rotating part of shell and with laser circuit plate；Shell of revolution, which is provided with, leads to the outgoing of laser emitting caused by laser module
Hole and make laser light incident to the incident through hole of receiving module.
Further, the digital display centimeter based on wireless telecommunications also includes：Two condensers；Two condensers are respectively symmetrically
Be arranged in two extensions, receiving module is arranged between condenser and laser circuit plate.
Further, the digital display centimeter based on wireless telecommunications also includes：Horizontal bubble, before horizontal bubble is arranged on watchcase
The outside of side.
Further, the digital display centimeter based on wireless telecommunications also includes：Vertical bubble, before vertical bubble is arranged on watchcase
The outside of side.
Further, the digital display centimeter based on wireless telecommunications also includes：Support component, support component include：First connects
Connect arm, bulb joint, the second linking arm, adjusting nut, support column, support base；The both ends of first linking arm are respectively connecting to
Watchcase and bulb joint, second linking arm one end are connected to bulb joint, the other end of the second linking arm be inserted into support column with
Composition be slidably connected, the second linking arm is provided with one section of external screw thread, and adjusting nut is provided with internal thread and is sleeved on the first linking arm
Provided with externally threaded one section；Support base is detachably arranged in the bottom of support column.
Further, the first linking arm is connected to the side-lower of watchcase.
Further, laser circuit plate is formed with communicating circuit plate and is electrically connected with.
Further, measurement bar bottom is provided with detector, and detector is cone.
Further, rheostat main body and back-moving spring are located at the both sides of measurement bar respectively.
Further, measurement bar top, which is provided with, resets cap.
The present invention is advantageous in that：
A kind of digital display centimeter with wireless communication function is provided.
Brief description of the drawings
Fig. 1 is a preferred embodiment front view of the digital display centimeter based on wireless telecommunications of the present invention；
Fig. 2 is the digital display centimeter side view based on wireless telecommunications shown in Fig. 1；
Fig. 3 is the part-structure schematic diagram of the inside of the watchcase of the digital display centimeter based on wireless telecommunications shown in Fig. 1；
Fig. 4 is another part structural representation of the inside of the watchcase of the digital display centimeter based on wireless telecommunications shown in Fig. 1
Figure.
Fig. 5 is the part-structure schematic diagram of the inside of the shell of revolution of the digital display centimeter based on wireless telecommunications shown in Fig. 1；
Fig. 6 is the internal structure schematic diagram of the digital display centimeter side view based on wireless telecommunications shown in Fig. 1.
Embodiment
As shown in Figures 1 to 6, the digital display centimeter 100 based on wireless telecommunications includes：Display screen 101, measurement bar 102；Its
It is characterised by：Digital display centimeter 100 based on wireless telecommunications also includes：Watchcase 103, shell of revolution 104, slide rheostat 105 are multiple
Position spring 108, antenna 109, communicating circuit plate 110, communication chip 111, the first battery 112, two laser modules 113,114,
Two receiving modules 115,116, laser circuit plate 117, the second battery 118；Wherein, display screen 101 exposes before watchcase 103
Side, measurement bar 102 and watchcase 103 form being slidably connected in the first direction, and shell of revolution 104 forms the company of rotation with watchcase 103
Connect, the relative rotation axis of shell of revolution 104 and watchcase 103 is perpendicular to first direction.
The inside of watchcase 103 is provided with main accommodating chamber 103a, and shell of revolution 104 is provided with rotation accommodating chamber 104a, main accommodating chamber 103a
Connected with rotation accommodating chamber 104a, slide rheostat 105 includes rheostat main body 106 and sliding block 107, and sliding block 107 relative can become
Resistance device main body 106 is slided, and rheostat main body 106 is fixedly provided in the main accommodating chamber 103a of watchcase 103, and sliding block 107 connects
To measurement bar 102；The one end of back-moving spring 108 is connected to the other end of watchcase 103 and is connected to measurement bar 102；Antenna 109 is arranged on table
The top of shell 103, the main accommodating chamber 103a for being arranged on watchcase 103 that communicating circuit plate 110 is fixed, antenna 109 are electrically connected to
Communicating circuit plate 110, communication chip 111 are attached to communicating circuit plate 110, and the first battery 112 is electrically connected to communicating circuit plate
110, the first battery 112 and communication chip 111 are respectively positioned at the both sides of communicating circuit plate 110.
Shell of revolution 104 includes rotating part 104b and two extension 104c for being symmetricly set on rotating part 104b both sides,
104d, two laser modules 113,114 respectively symmetrically are arranged in two extensions 104c, 104d, two receiving modules
115,116 respectively symmetrically are arranged in two extensions 104c, 104d；Laser circuit plate 117 is arranged on the rotation of shell of revolution 104
In the 104b of transfer part, two laser modules 113,114 are electrically connected to laser circuit plate 117, and the second battery 118 is arranged on shell of revolution
It is electrically connected with 104 rotating part 104b and with laser circuit plate 117；Shell of revolution 104, which is provided with, produces laser module 113,114
Laser emitting outgoing through hole and make laser light incident to the incident through hole of receiving module 115,116.
So, the movement of measurement bar 102 drives the sliding block 107 of slide rheostat 105, and slide rheostat 105 passes through electricity
Displacement measurement is realized in the change of signal, is then included on display screen 101 data and is uploaded onto the server by being wirelessly transferred.
Laser circuit plate 117 controls laser module 113,114 to launch laser, and receiving module 115,116 receives laser rays and produces telecommunications
Number.User can align two different digital display centimeters 100 so as to realize two different digital display centimeters 100 by laser
Conjunction measuring, in addition, the body of shell of revolution 104 can realize the alignment of two multi-angles of dial gauge 100 with the anglec of rotation.
Specifically, the digital display centimeter 100 based on wireless telecommunications also includes：Two condensers 119,120；Two optically focused
Being arranged in two extensions 104c, 104d respectively symmetrically of mirror 119,120, receiving module 115,116 is arranged on condenser
Between 119,120 and laser circuit plate 117.
Specifically, the digital display centimeter 100 based on wireless telecommunications also includes：Horizontal bubble 121, horizontal bubble 121 are set
Put in the outside in the front of watchcase 103.
Specifically, the digital display centimeter 100 based on wireless telecommunications also includes：Vertical bubble 122, vertical bubble 122 are set
Put in the outside in the front of watchcase 103.Bubble can help the position of user's adjustment watchcase 103 of dial gauge 100.
Specifically, the digital display centimeter 100 based on wireless telecommunications also includes：Support component 123, support component 123 are wrapped
Include：First linking arm 124, bulb joint 125, the second linking arm 126, regulation lonely 127, support column 128, support base 129；
The both ends of first linking arm 124 are respectively connecting to watchcase 103 and bulb joint 125, and the one end of the second linking arm 126 is connected to bulb
Joint 125, the other end of the second linking arm 126, which is inserted into support column 128 and formed therewith, to be slidably connected, and the second linking arm 126 is set
There is one section of external screw thread, regulation lonely 127 is provided with internal thread and is sleeved on the first linking arm 124 provided with externally threaded one section；Support
Base 129 is detachably arranged in the bottom of support column 128.For watchcase 103 can be adjusted by bulb joint 125
Put, the position of the relative support post 128 of the second linking arm 126 can both have been changed so as to realize that watchcase 103 is high by unclamping regulation lonely 127
Position adjustments on degree.
Specifically, the first linking arm 124 is connected to the side-lower of watchcase 103.Measurement bar 102 can so be got out of the way
Position.Specifically, laser circuit plate 117 is formed with communicating circuit plate 110 and is electrically connected with.
Specifically, the bottom of measurement bar 102 is provided with detector 130, and detector 130 is cone.The He of rheostat main body 106
Back-moving spring 108 is located at the both sides of measurement bar 102 respectively.The top of measurement bar 102, which is provided with, resets cap 131.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all fall within protection scope of the present invention.
Claims (10)
1. a kind of digital display centimeter based on wireless telecommunications, including：Display screen, measurement bar；It is characterized in that：It is described to be based on wirelessly
The digital display centimeter of communication also includes：Watchcase, shell of revolution, slide rheostat, back-moving spring, antenna, communicating circuit plate, communicate core
Piece, the first battery, two laser modules, two receiving modules, laser circuit plate, the second battery；Wherein, the display screen exposes
In the front side of the watchcase, the measurement bar and the watchcase form being slidably connected in the first direction, the shell of revolution and institute
State watchcase composition to be rotatablely connected, the relative rotation axis of the shell of revolution and the watchcase is perpendicular to the first direction；It is described
Main accommodating chamber is provided with inside watchcase, the shell of revolution is provided with rotation accommodating chamber, and the main accommodating chamber connects with the rotation accommodating chamber
Logical, the slide rheostat includes rheostat main body and sliding block, the sliding block can relatively described rheostat main body slip, the change
Resistance device main body is fixedly provided in the main accommodating chamber of the watchcase, and the sliding block is connected to the measurement bar；The reset bullet
Spring one end is connected to the watchcase other end and is connected to the measurement bar；The antenna is arranged on the top of the watchcase, described
The main accommodating chamber for being arranged on the watchcase that communicating circuit plate is fixed, the antenna are electrically connected to the communicating circuit plate, institute
To state communication chip and be attached to the communicating circuit plate, first battery is electrically connected to the communicating circuit plate, and described first
Battery and the communication chip are located at the both sides of the communicating circuit plate respectively；The shell of revolution includes rotating part and two symmetrical
The extension of the rotating part both sides is arranged on, two laser modules are symmetrically disposed in two extensions respectively
In, two receiving modules respectively symmetrically are arranged in two extensions；The laser circuit plate is arranged on described
In the rotating part of shell of revolution, two laser modules are electrically connected to the laser circuit plate, and second battery is arranged on
It is electrically connected with the rotating part of the shell of revolution and with the laser circuit plate；The shell of revolution, which is provided with, produces the laser module
The outgoing through hole of raw laser emitting and make laser light incident to the incident through hole of the receiving module.
2. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：It is described to be based on wireless telecommunications
Digital display centimeter also include：Two condensers；Two condensers being arranged in two extensions respectively symmetrically,
The receiving module is arranged between the condenser and the laser circuit plate.
3. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：It is described to be based on wireless telecommunications
Digital display centimeter also include：Horizontal bubble, the horizontal bubble are arranged on the outside in front of the watchcase.
4. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：It is described to be based on wireless telecommunications
Digital display centimeter also include：Vertical bubble, the vertical bubble are arranged on the outside in front of the watchcase.
5. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：It is described to be based on wireless telecommunications
Digital display centimeter also include：Support component, the support component include：First linking arm, bulb joint, the second linking arm,
Adjusting nut, support column, support base；The both ends of first linking arm are respectively connecting to the watchcase and the bulb closes
Section, described second linking arm one end are connected to the bulb joint, and the other end of second linking arm is inserted into the support
Post forms be slidably connected therewith, and second linking arm is provided with one section of external screw thread, and the adjusting nut is provided with internal thread and is set with
Externally threaded one section is provided with first linking arm；The support base is detachably arranged in the bottom of the support column.
6. the digital display centimeter according to claim 5 based on wireless telecommunications, it is characterised in that：First linking arm connects
It is connected on the side-lower of the watchcase.
7. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：The laser circuit plate with
The communicating circuit plate, which is formed, to be electrically connected with.
8. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：The measurement bar bottom is set
There is detector, the detector is cone.
9. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：The rheostat main body and
The back-moving spring is located at the both sides of the measurement bar respectively.
10. the digital display centimeter according to claim 1 based on wireless telecommunications, it is characterised in that：The measurement bar top
Provided with reset cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659803.1A CN107462145A (en) | 2017-07-31 | 2017-07-31 | Digital display centimeter based on wireless telecommunications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659803.1A CN107462145A (en) | 2017-07-31 | 2017-07-31 | Digital display centimeter based on wireless telecommunications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107462145A true CN107462145A (en) | 2017-12-12 |
Family
ID=60547185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710659803.1A Pending CN107462145A (en) | 2017-07-31 | 2017-07-31 | Digital display centimeter based on wireless telecommunications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107462145A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211152A (en) * | 2018-08-02 | 2019-01-15 | 杭州电子科技大学 | The method for detecting accurate spherical hinge bulb eccentricity and club spatial attitude simultaneously |
| CN112066949A (en) * | 2020-09-17 | 2020-12-11 | 金华一纵一横工业设计有限公司 | Slope monitoring and early warning system for industrial Internet of things construction |
| CN113458489A (en) * | 2021-07-09 | 2021-10-01 | 浙江工贸职业技术学院 | Automatic correction device and method for spline broach and circular hole broach |
-
2017
- 2017-07-31 CN CN201710659803.1A patent/CN107462145A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211152A (en) * | 2018-08-02 | 2019-01-15 | 杭州电子科技大学 | The method for detecting accurate spherical hinge bulb eccentricity and club spatial attitude simultaneously |
| CN109211152B (en) * | 2018-08-02 | 2020-04-28 | 杭州电子科技大学 | Method for simultaneously detecting precision ball hinge ball head eccentricity and ball rod space attitude |
| CN112066949A (en) * | 2020-09-17 | 2020-12-11 | 金华一纵一横工业设计有限公司 | Slope monitoring and early warning system for industrial Internet of things construction |
| CN112066949B (en) * | 2020-09-17 | 2021-05-07 | 金华一纵一横工业设计有限公司 | Slope monitoring and early warning system for industrial Internet of things construction |
| CN113458489A (en) * | 2021-07-09 | 2021-10-01 | 浙江工贸职业技术学院 | Automatic correction device and method for spline broach and circular hole broach |
| CN113458489B (en) * | 2021-07-09 | 2022-05-27 | 浙江工贸职业技术学院 | Automatic correction device and method for spline broach and circular hole broach |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107462145A (en) | Digital display centimeter based on wireless telecommunications | |
| CN201434643Y (en) | Window size checking tool of universal joint retaining rack | |
| CN110763110B (en) | Three-jaw internal diameter ruler automatic calibration device | |
| CN109520432B (en) | Laser displacement sensor with adjustable measuring range | |
| CN207180587U (en) | Digital display centimeter based on wireless telecommunications | |
| CN103900446A (en) | Adjustable inclined hole depth detecting device | |
| CN111551268A (en) | A kind of thermometer | |
| CN107202557B (en) | To the system and method marked measuring device, calibrate camera lens and graph card relative position | |
| US5768798A (en) | Displacement detecting apparatus | |
| CN201191183Y (en) | Optical height measuring equipment | |
| US6049989A (en) | Three-dimensional homologous surveying method and the related instrument | |
| CN209745203U (en) | Screw groove depth detection device convenient to deposit | |
| CN209978796U (en) | Taper hole measuring tool | |
| CN103900512B (en) | Micrometric displacement marking apparatus and using method thereof | |
| CN207991423U (en) | A kind of novel inner diameter measuring device | |
| CN102506661A (en) | Diameter measuring mechanism for inner-bore slot | |
| CN210268529U (en) | Adjustable optical calibration device suitable for radio frequency simulation | |
| CN207548335U (en) | A kind of lathe optical positioning calibrator | |
| CN208887894U (en) | A kind of rapid measurement device for spheric glass concave surface rise | |
| CN112985197B (en) | Multi-target parameter testing device and method for multi-microlens convergent secondary imaging detection | |
| CN2938023Y (en) | Instrument for measuring inner thread pitch of petroleum pipe | |
| CN107314726B (en) | Gear M value measuring device | |
| CN209895619U (en) | Intelligent Young modulus experimental instrument based on capacitive grating sensor | |
| CN201066272Y (en) | A digital display shift comparing instrument | |
| CN110487177B (en) | Adjustable optical calibration device suitable for radio frequency simulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171212 |