CN207689752U - A kind of fibre optic scanner, fibre-optic scanner and optical fiber scanning equipment - Google Patents
A kind of fibre optic scanner, fibre-optic scanner and optical fiber scanning equipment Download PDFInfo
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- CN207689752U CN207689752U CN201721329790.3U CN201721329790U CN207689752U CN 207689752 U CN207689752 U CN 207689752U CN 201721329790 U CN201721329790 U CN 201721329790U CN 207689752 U CN207689752 U CN 207689752U
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Abstract
The utility model discloses a kind of fibre optic scanner, fibre-optic scanner and optical fiber scanning equipment, the fibre optic scanner includes optical fiber, piezoelectric driving device and electrooptical device, the piezoelectric driving device is connected with the optical fiber, and the electrooptical device is electrically connected with the piezoelectric driving device.Compared with fiber-optic vibration being driven with controlling piezoelectric driving device by electric signal in the prior art, the fibre optic scanner that the utility model embodiment provides can control the vibration of optical fiber according to the intensity of illumination that the external world provides, the mode that control optical fiber is scanned is increased, so that fibre optic scanner can be suitable for more application scenarios.
Description
Technical field
The utility model is related to optical fiber scanning imaging field more particularly to a kind of fibre optic scanner, fibre-optic scanner and
Optical fiber scanning equipment.
Background technology
Referring to FIG. 1, Fig. 1 is the schematic diagram of optical fiber scanning imaging in the prior art, as shown in Figure 1, by controlling optical fiber
101 are vibrated, while controlling the light that optical fiber 101 is emitted corresponding color when being vibrated to different location.Due to optical fiber 101
Vibration velocity quickly, while rapidly switching the color for the light being emitted from optical fiber 101, can form phase on the projection screen
The image answered, in this way, according to the persistence effect of human eye, user can obtain the visual experience of the image.
Currently, being vibrated to control optical fiber generally by piezoelectric driving device 102, need to pass through connecting line in this way
Piezoelectric driving device 102 is connected with corresponding driving end 103, the electric signal that end 103 exports is driven by change to drive pressure
Electric driving device is vibrated to control optical fiber according to preset scan mode, and the mode that control optical fiber is scanned is more
It is single.
Utility model content
A kind of fibre optic scanner of the utility model embodiment offer, fibre-optic scanner and optical fiber scanning equipment, to increase
The mode for having added control optical fiber to be scanned so that fibre optic scanner can be suitable for more application scenarios.
In order to realize that above-mentioned purpose of utility model, the utility model embodiment first aspect provide a kind of optical fiber scanning
Device, including optical fiber, piezoelectric driving device and electrooptical device, the piezoelectric driving device are connected with the optical fiber, the light
Power conversion device is electrically connected with the piezoelectric driving device.
Optionally, the piezoelectric driving device is specially piezoelectric ceramics.
Optionally, the electrooptical device is specially photoelectric tube or photomultiplier.
Optionally, the fibre optic scanner includes two groups of piezoelectric driving devices, wherein every group of piezoelectric driving device includes two
A piezoelectric driving device, described two piezoelectric driving devices are respectively arranged at the opposite both sides of tube body of the optical fiber；
The fibre optic scanner includes four groups of electrooptical devices, and four groups of electrooptical devices are respectively arranged at four piezoelectricity
On driving element, wherein every group of electrooptical device includes two electrooptical devices, and two opto-electronic conversions in same group
Device is opposite with the positive and negative anodes connection type of piezoelectric driving device.
The utility model embodiment second aspect provides a kind of fibre-optic scanner, including optical transmitting set and such as first party
Fibre optic scanner described in face, the optical transmitting set are set in the fibre optic scanner in the incidence end of electrooptical device.
Optionally, the fibre-optic scanner further includes optical signal modulator, and the optical signal modulator is sent out with the light
Emitter is connected.
The utility model embodiment third aspect provides a kind of optical fiber scanning equipment, including：
Fibre-optic scanner as described in second aspect；
Light source is set to the incidence end of optical fiber in the fibre-optic scanner；
Processor is connected with the light source and the fibre-optic scanner.
Optionally, the light source includes red light-emitting unit, green luminescence unit, blue light emitting unit and Multiplexing apparatus.
Optionally, the optical fiber scanning equipment further includes optical coupling unit, and the optical coupling unit is set to the light source
Exit end and the fibre-optic scanner incidence end on.
Optionally, the optical fiber in the fibre-optic scanner is specially lens fiber, and the incidence end of the lens fiber is set
It is equipped with lens arrangement.
One or more technical solution in the utility model embodiment, at least has the following technical effect that or excellent
Point：
Compared with driving fiber-optic vibration with controlling piezoelectric driving device by electric signal in the prior art, the utility model is real
The vibration of optical fiber can be controlled according to the intensity of illumination that the external world provides by applying the fibre optic scanner of example offer, increase control optical fiber
The mode being scanned, so that fibre optic scanner can be suitable for more application scenarios.
Description of the drawings
Fig. 1 is the schematic diagram of optical fiber scanning imaging in the prior art；
Fig. 2 is the module map for the fibre optic scanner that the utility model embodiment provides；
Fig. 3 A are the cross-sectional view for the fibre optic scanner that the utility model embodiment provides；
Fig. 3 B are the Longitudinal cross section schematic for the fibre optic scanner that the utility model embodiment provides；
Fig. 4 is the module map for the fibre-optic scanner that the utility model embodiment provides；
Fig. 5 is the structural schematic diagram for the optical fiber scanning equipment that the utility model embodiment provides；
Fig. 6 is the structural schematic diagram for the light source 502 that the utility model embodiment provides；
Fig. 7 is the structural schematic diagram of lens fiber.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of fibre optic scanner of the utility model embodiment offer, fibre-optic scanner and optical fiber scanning equipment, to increase
The mode for having added control optical fiber to be scanned so that fibre optic scanner can be suitable for more application scenarios.
The utility model embodiment first aspect provides a kind of fibre optic scanner, referring to FIG. 2, Fig. 2 is the utility model
The module map for the fibre optic scanner that embodiment provides, as shown in Fig. 2, the fibre optic scanner includes optical fiber 201, piezoelectric driving device
202 and electrooptical device 203, wherein piezoelectric driving device 202 is connected with optical fiber 201, in this way, piezoelectric driving device 202 is
It can control optical fiber 201 under the action of outer making alive and vibrated；Electrooptical device 203 and 202 electricity of piezoelectric driving device
Connection, in this way, electrooptical device 203 after receiving with the illumination of some strength, can provide corresponding electric signal
To piezoelectric driving device 202, vibrated so that piezoelectric driving device 202 can control optical fiber 201.
In specific implementation process, piezoelectric driving device 202, which is specifically as follows made of the piezoelectric effect using material, to be driven
Dynamic device, such as can be piezoelectric ceramics, piezo-electric crystal or piezopolymer etc., it is not limited herein.
In specific implementation process, electrooptical device 203 is specifically as follows photoelectric tube or photomultiplier.It is general next
It says, if the intensity of illumination of the receiving of electrooptical device 203 is larger, it refers to photoelectric tube or photoelectricity times that wherein intensity of illumination is larger
Piezoelectric driving device 202 can be driven by increasing the electric signal that pipe generates under the intensity of illumination, then can use photoelectric tube or light
Electric multiplier tube, if electrooptical device 203 receive intensity of illumination it is smaller, wherein intensity of illumination it is smaller refer to photoelectric tube or
The electric signal that photomultiplier generates under the intensity of illumination can not drive piezoelectric driving device 202, then need to use at this time
The gain number magnitude of photomultiplier, photomultiplier can be determined according to actual conditions, be not limited herein.
In specific implementation process, in order to realize two-dimensional scan by controlling optical fiber, can only it be arranged in fibre optic scanner
The different piezoelectric driving device of two driving directions is vibrated in two different directions to control optical fiber respectively, can also
Two groups of different piezoelectric driving devices of driving direction are arranged to be vibrated in two different directions to control optical fiber respectively, two
Person is consistent to the control Principle of Process of optical fiber, and difference lies in every group in the mode that two groups of piezoelectric driving devices are arranged in fibre optic scanner
All piezoelectric driving devices coordinate jointly in piezoelectric driving device, come when realizing that two piezoelectric driving devices are arranged in fibre optic scanner
The function of single piezoelectric driving device will introduce fibre optic scanner and two groups of piezoelectric driving devices be arranged in next part
When to the control process of optical fiber, and when two piezoelectric driving devices are arranged in fibre optic scanner, similarly may be used to the control process of optical fiber
Know, details are not described herein again.
A and Fig. 3 B are please referred to Fig.3, Fig. 3 A are the cross section signal for the fibre optic scanner that the utility model embodiment provides
Figure, Fig. 3 B are the Longitudinal cross section schematic for the fibre optic scanner that the utility model embodiment provides, as shown in Figure 3A and Figure 3B, optical fiber
Scanner includes optical fiber 201 and two groups of piezoelectric driving devices, wherein every group of piezoelectric driving device includes two Piezoelectric Drivings
The number of device, four piezoelectric driving devices is respectively 20211,20212,20221 and 20222, wherein piezoelectric driving device
20211 and piezoelectric driving device 20212 be one group, piezoelectric driving device 20221 and piezoelectric driving device 20222 are one group, and
And the both sides that same group of two piezoelectric driving devices tube body for being separately positioned on optical fiber 201 is opposite, same group of two piezoelectricity
When driving element is stretched and shunk respectively, the end 2011 that can control optical fiber 201 is vibrated on corresponding direction,
End 2011 is also referred to as optical fiber cantilever, in this way, two groups of piezoelectric driving devices that fibre optic scanner includes can control light respectively
Fibre 201 vibrates in two different directions, is combined by the two different directions, can control optical fiber 201 into
Row two-dimensional scan, details are not described herein again.
Please continue to refer to Fig. 3 A and Fig. 3 B, fibre optic scanner includes four groups of electrooptical devices, four groups of electrooptical devices
It is respectively arranged on four piezoelectric driving devices, wherein every group of electrooptical device includes two electrooptical devices, same group
In two electrooptical devices and piezoelectric driving device positive and negative anodes connection type on the contrary, in this way, with piezoelectric driving device
20211 and two electrooptical devices 20311 and 20312 being arranged on be introduced, as shown in Figure 3B, photoelectricity turns
Parallel operation part 20311 and 20312 positive and negative anodes connection type when being electrically connected respectively with piezoelectric driving device 20211 are on the contrary, by having
Electrooptical device 20311 or electrooptical device 20312 are selectively irradiated, piezoelectric driving device 20211 can be controlled
It stretches or shrinks, in practical applications, specifically how to control piezoelectric driving device 20211 and stretch or shrink, it can basis
The polarization direction and electrooptical device 20311 or electrooptical device 20312 and Piezoelectric Driving of piezoelectric driving device 20211
Positive and negative anodes connection type between device 20211 determines that details are not described herein again.
In this way, the fibre optic scanner that the utility model embodiment provides can be according to electrooptical device 20311 or light
The intensity of illumination that power conversion device 20312 receives generates corresponding electric signal, to control piezoelectric driving device 20211
State is to stretch or shrink, and similarly, can control the state of remaining piezoelectric driving device, for example, control piezoelectric driving device
20211 while stretched, and is controlled another piezoelectric driving device 20212 in same group and is shunk, in this way, passing through piezoelectricity
The cooperation of driving element 20211 and piezoelectric driving device 20212, can the direction deflection as shown in Figure 3B of optical fiber 201, with this
Analogize, is cooperated by two groups of piezoelectric driving devices, optical fiber 201 can be controlled and swept according to preset scan mode
It retouches, details are not described herein again.
It can be seen that by above-mentioned part and drive optical fiber with piezoelectric driving device is controlled by electric signal in the prior art
Vibration is compared, and the fibre optic scanner that the utility model embodiment provides can control optical fiber according to the intensity of illumination that the external world provides
Vibration, the mode that is scanned of control optical fiber is increased, so that fibre optic scanner can be suitable for more applied fields
Scape.
Based on same inventive concept, the utility model embodiment second aspect also provides a kind of fibre-optic scanner, please join
Fig. 4 is examined, Fig. 4 is the module map for the fibre-optic scanner that the utility model embodiment provides, as shown in figure 4, the optical fiber scanning fills
Any fibre optic scanner 40 including optical transmitting set 401 and first aspect offer is set, wherein optical transmitting set 401 is set to optical fiber
In the incidence end of the electrooptical device of scanner, in this way, the intensity by controlling the light that optical transmitting set 401 is emitted, it can
The optical fiber enough controlled in fibre optic scanner is vibrated.
Wherein, preferably, the quantity of optical transmitting set 401 can be with the quantity of the electrooptical device in fibre optic scanner 40
It is identical, in this way, each optical transmitting set corresponds to an electrooptical device, so as to by controlling each optical transmitting set outgoing
The intensity of light exports to the electric signal size of piezoelectric driving device to control corresponding electrooptical device, then controls light
The vibration of optical fiber in fine scanner, details are not described herein again.
It of courses, it, can be in optical transmitting set in order to avoid electrooptical device is influenced by the optical transmitting set of non-corresponding
Or masking structure is set so that electrooptical device can only receive corresponding optical transmitting set outgoing on electrooptical device
Light, details are not described herein again.In practical applications, masking structure can be made of anti-dazzling screen etc., be not limited herein.
In specific implementation process, optical transmitting set 401 is specifically as follows light emitting diode, laser emitter etc., herein
It is not limited.
In specific implementation process, with continued reference to FIG. 4, as shown in figure 4, the optical fiber that the utility model embodiment provides is swept
Imaging apparatus further includes optical signal modulator 402, which is connected with optical transmitting set, in this way, passing through optical signal tune
Device 402 processed can control optical transmitting set and send out the light beam with modulated signal so that the photoelectric converter being irradiated to by the light beam
Part can generate the electric signal with modulated signal, so that piezoelectric driving device drives optical fiber under the action of the electric signal
Cantilever is vibrated, and scans corresponding track, details are not described herein again.
Based on same inventive concept, the utility model embodiment third aspect also provides a kind of optical fiber scanning equipment, please join
Fig. 5 is examined, Fig. 5 is the structural schematic diagram for the optical fiber scanning equipment that the utility model embodiment provides, as shown in figure 5, the optical fiber is swept
It includes fibre-optic scanner 501, light source 502 and the processor 503 that second aspect provides to retouch equipment, and wherein light source 502 is set to
The incidence end of optical fiber in fibre-optic scanner 502, processor 503 are connected with fibre-optic scanner 501 and light source 502, in this way,
Processor 503 can send signal by the optical signal modulator into fibre-optic scanner 501, to control optical fiber scanning dress
The optical fiber set in 501 is scanned according to preset scan mode, and simultaneous processor 503 can be emitted by controlling light source 502
The light of corresponding color is set to due to light source 502 in the incidence end of fibre-optic scanner 501, the light that light source 502 is emitted
It can enter in the optical fiber of fibre-optic scanner 501 simultaneously, arrow direction is the exit direction of light in Fig. 5, in this way, being swept in optical fiber
When the fiber-optic vibration of imaging apparatus 501 to first position, at the same from the light of fiber exit be first position corresponding color light,
At fiber-optic vibration to the second position, at the same from the light of fiber exit be second position corresponding color light, and so on,
After the scanning that optical fiber scanning equipment completes piece image, according to the persistence effect of human eye, user can obtain pair figure
The visual experience of picture.
It of courses, in practical applications, projection objective can also be set the exit end of optical fiber in optical fiber scanning equipment, with
To being amplified processing by the light of fiber exit, so that the light of optical fiber scanning equipment outgoing can form larger ruler
Very little picture, details are not described herein again.
In specific implementation process, light source 502 can specifically include red light-emitting unit 5021, green luminescence unit
5022, blue light emitting unit 5023 and Multiplexing apparatus 5024, Multiplexing apparatus 5024 are used to send out red light-emitting unit 5021, green light
Together with the light combinations that light unit 5022 and blue light emitting unit 5023 are respectively emitted.With continued reference to FIG. 6, Fig. 6 is this reality
With new embodiment provide light source 502 structural schematic diagram, as shown in fig. 6, red light-emitting unit 5021 can be specifically red
Color laser light source or red LED light source, green luminescence unit 5022 can be specifically green laser light source or green LED light source,
Blue light emitting unit 5023 can be specifically blue laser light source or blue led light source, not be limited herein；In the present embodiment
In, Multiplexing apparatus 5024 include be set to red light-emitting unit 5021 exit end feux rouges closing light unit 50241, be set to it is green
The indigo plant of the green light closing light unit 50242 of the exit end of light luminescence unit 5022 and the exit end for being set to blue light emitting unit 5023
Photosynthetic light unit 50243；As shown in fig. 6, in the present embodiment, feux rouges closing light unit 50241 is specially to be set to red light-emitting
The anti-feux rouges colour filter of the exit end of unit 5021, green light closing light unit 50242 are specially to be set to green luminescence unit 5022
Exit end the anti-green light colour filter of saturating feux rouges, blue light closing light unit 50243 be specially be set to blue light emitting unit 5023
The saturating blue light colour filter of anti-red-green glow of exit end, in this way, passing through anti-feux rouges colour filter, the anti-green light colour filter of saturating feux rouges and anti-red green
The saturating blue light colour filter of light, can be each by red light-emitting unit 5021, green luminescence unit 5022 or blue light emitting unit 5023
Together from the light combinations of outgoing, in other embodiments, according to red light-emitting unit 5021,5022 and of green luminescence unit
The difference of light path design between blue light emitting unit 5023, the reflected light of each closing light unit or transmission in Multiplexing apparatus 5024
The characteristic of light also can be corresponding different, are not limited herein.
In specific implementation process, with continued reference to FIG. 5, as shown in figure 5, the optical fiber that the utility model embodiment provides is swept
It further includes optical coupling unit 504 to retouch equipment, which is set to the exit end and optical fiber scanning dress of light source 502
It sets in 501 incidence end, in this way, the light being emitted from light source 502 can be coupled under the action of optical coupling unit 504
Into the optical fiber in fibre-optic scanner 501, details are not described herein again.
In practical applications, optical coupling unit 502 can be specifically coupled lens etc., not be limited herein.
In another embodiment, the incidence end for scanning optical fiber is provided with lens arrangement namely the scanning optical fiber is specially saturating
Mirror optical fiber (lensed fiber), scanning optical fiber can form spherical, wedge by the modes such as being sintered or grinding in optical fiber one end
The lens such as shape or taper improve the numerical aperture of scanning optical fiber, to improve the receipts light rate of scanning optical fiber, no longer need to set in this way
The optical coupling unit 504 in Fig. 5 is set, referring to FIG. 7, Fig. 7 is the structural schematic diagram of lens fiber, as shown in fig. 7, lens fiber
It is 71, the incidence end of lens fiber is provided with spherical lens arrangement 701.
The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model,
And those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In right
In it is required that, any reference mark between bracket should not be configured to limitations on claims.Word "comprising" or " packet
Include " do not exclude the presence of element or step not listed in the claims.Word "a" or "an" before element is not arranged
Except there are multiple such elements.The utility model can be by means of including the hardware of several different elements and by means of suitable
It is realized when the computer of programming.In the unit claims listing several devices, several in these devices can be with
It is to be embodied by the same hardware branch.The use of word first, second, and third does not indicate that any sequence, can
These words are construed to title.
One or more technical solution in the utility model embodiment, at least has the following technical effect that or excellent
Point：
Compared with driving fiber-optic vibration with controlling piezoelectric driving device by electric signal in the prior art, the utility model is real
The vibration of optical fiber can be controlled according to the intensity of illumination that the external world provides by applying the fibre optic scanner of example offer, increase control optical fiber
The mode being scanned, so that fibre optic scanner can be suitable for more application scenarios.
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The utility model is not limited to specific implementation mode above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (9)
1. a kind of fibre optic scanner, which is characterized in that including optical fiber, piezoelectric driving device and electrooptical device, the piezoelectricity
Driving element is connected with the optical fiber, and the electrooptical device is electrically connected with the piezoelectric driving device；
The fibre optic scanner includes two groups of piezoelectric driving devices, wherein every group of piezoelectric driving device includes two Piezoelectric Drivings
Device, described two piezoelectric driving devices are respectively arranged at the opposite both sides of tube body of the optical fiber；
The fibre optic scanner includes four groups of electrooptical devices, and four groups of electrooptical devices are respectively arranged at four Piezoelectric Drivings
On device, wherein every group of electrooptical device includes two electrooptical devices, and two electrooptical devices in same group
It is opposite with the positive and negative anodes connection type of piezoelectric driving device.
2. fibre optic scanner as described in claim 1, which is characterized in that the piezoelectric driving device is specially piezoelectric ceramics.
3. fibre optic scanner as described in claim 1, which is characterized in that the electrooptical device is specially photoelectric tube or light
Electric multiplier tube.
4. a kind of fibre-optic scanner, which is characterized in that including optical transmitting set and light as claimed in any one of claims 1-3
Fine scanner, the optical transmitting set are set in the fibre optic scanner in the incidence end of electrooptical device.
5. fibre-optic scanner as claimed in claim 4, which is characterized in that the fibre-optic scanner further includes optical signal tune
Device processed, the optical signal modulator are connected with the optical transmitting set.
6. a kind of optical fiber scanning equipment, which is characterized in that including：
Fibre-optic scanner as described in claim 4 or 5；
Light source is set to the incidence end of optical fiber in the fibre-optic scanner；
Processor is connected with the light source and the fibre-optic scanner.
7. optical fiber scanning equipment as claimed in claim 6, which is characterized in that the light source includes red light-emitting unit, green light
Luminescence unit, blue light emitting unit and Multiplexing apparatus.
8. optical fiber scanning equipment as claimed in claim 6, which is characterized in that the optical fiber scanning equipment further includes optical coupling list
Member, the optical coupling unit are set in the exit end of the light source and the incidence end of the fibre-optic scanner.
9. optical fiber scanning equipment as claimed in claim 6, which is characterized in that the optical fiber in the fibre-optic scanner is specially
The incidence end of lens fiber, the lens fiber is provided with lens arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721329790.3U CN207689752U (en) | 2017-10-16 | 2017-10-16 | A kind of fibre optic scanner, fibre-optic scanner and optical fiber scanning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721329790.3U CN207689752U (en) | 2017-10-16 | 2017-10-16 | A kind of fibre optic scanner, fibre-optic scanner and optical fiber scanning equipment |
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| CN207689752U true CN207689752U (en) | 2018-08-03 |
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| CN201721329790.3U Active CN207689752U (en) | 2017-10-16 | 2017-10-16 | A kind of fibre optic scanner, fibre-optic scanner and optical fiber scanning equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407308A (en) * | 2018-12-11 | 2019-03-01 | 成都理想境界科技有限公司 | A kind of scan actuator and fibre optic scanner |
| CN111381363A (en) * | 2018-12-29 | 2020-07-07 | 成都理想境界科技有限公司 | Scanning driver and optical fiber scanner |
-
2017
- 2017-10-16 CN CN201721329790.3U patent/CN207689752U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407308A (en) * | 2018-12-11 | 2019-03-01 | 成都理想境界科技有限公司 | A kind of scan actuator and fibre optic scanner |
| CN109407308B (en) * | 2018-12-11 | 2021-01-05 | 成都理想境界科技有限公司 | Scanning actuator and optical fiber scanner |
| CN111381363A (en) * | 2018-12-29 | 2020-07-07 | 成都理想境界科技有限公司 | Scanning driver and optical fiber scanner |
| CN111381363B (en) * | 2018-12-29 | 2022-11-08 | 成都理想境界科技有限公司 | Scanning driver and optical fiber scanner |
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