CN107390384B - Focal length adjustment device - Google Patents
Focal length adjustment device Download PDFInfo
- Publication number
- CN107390384B CN107390384B CN201710702718.9A CN201710702718A CN107390384B CN 107390384 B CN107390384 B CN 107390384B CN 201710702718 A CN201710702718 A CN 201710702718A CN 107390384 B CN107390384 B CN 107390384B
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- China
- Prior art keywords
- shell
- focal length
- film
- inner via
- length adjustment
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- 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.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/085—Fluid-filled lenses, e.g. electro-wetting lenses
Abstract
The present embodiments relate to a kind of focal length adjustment devices, comprising: shell, shell include first shell and second shell；Film, thin-film package is between first shell and second shell；Ring holder is socketed in shell outer ring portion；Piston gas-liquid capsule, is equipped with first fluid；Angle demodulator is rotated, for generating pivoting angle data when rotated；Chip generates dead-center position and controls data according to pivoting angle data；Motor is connected with chip, and the dead-center position for receiving chip controls data；First stepping of Motor Control piston push rod, to be injected by the first accessibke porosity to the first external cavity by catheter by first fluid in piston gas-liquid capsule is quantitative, first fluid flows into the first internal cavity by the first inner via hole, film is set to reach zeroing deformation under the pressure of first fluid, the curvature of film reaches zeroing curvature, so that adjusting film reaches zeroing focal length.
Description
Technical field
The present invention relates to field of optical device technology more particularly to a kind of focal length adjustment devices.
Background technique
With the development of science and technology electronic equipment increases, people are increasingly longer and various in face of the time of electronic curtain
Incorrect to be accustomed to eye, increasing to the injury of eyes, people are more and more to the demand of glasses.
Since degree is different between user, see that required focal length is different when object, and the focal length of existing glasses is that fixation can not
It adjusts, so as to cause that must configure according to user's eyes degree to eyeglass lens power, just can be carried out use, and same glasses are only
It can be used for the same user.
Summary of the invention
The purpose of the present invention is in view of the drawbacks of the prior art, providing a kind of focal length adjustment device, user can be according to certainly
Body needs to realize that the dead-center position of focusing is adjusted by rotation angle demodulator, to realize that a glasses can wear for more people
It wears.
In view of this, the embodiment of the invention provides a kind of focal length adjustment devices, comprising:
Shell, the shell include first shell and second shell, have the first inner via hole in the first shell, described
There is the second inner via hole in second shell；
Film, between the first shell and second shell, the first shell and film are formed the thin-film package
First internal cavity, the second shell and film form the second internal cavity, close between first internal cavity and the second internal cavity
It closes；
Ring holder is socketed in shell outer ring portion, has annular protrusion, the first accessibke porosity in the ring support
With the second accessibke porosity, the annular protrusion supports the shell, forms first between the first shell and ring holder
External cavity；The second external cavity, first external cavity and the second external cavity are formed between the second shell and ring holder
Between it is closed；First internal cavity is connected by first inner via hole with first external cavity, second internal cavity
It is connected by second inner via hole with second external cavity；First accessibke porosity is conducted with first external cavity,
Second accessibke porosity is conducted with second external cavity；
Piston gas-liquid capsule is equipped with first fluid, and is conducted by catheter and first accessibke porosity, the work
Filling in gas-liquid capsule has piston push rod；
Angle demodulator is rotated, for generating pivoting angle data when rotated；
Chip generates dead-center position and controls data according to the pivoting angle data；
Motor is connected with the chip, for receiving the control data of the chip；
First stepping of piston push rod described in the Motor Control, so that first fluid in the piston gas-liquid capsule be determined
Amount is injected by first accessibke porosity to first external cavity by the catheter, and the first fluid passes through described
First inner via hole flows into first internal cavity, and the film is made to reach zeroing deformation, institute under the pressure of the first fluid
The curvature for stating film reaches zeroing curvature, so that adjusting the film reaches zeroing focal length；Second in second internal cavity
Fluid flows out to second external cavity under the extruding of the film from second inner via hole, then passes through outside described second
Through-hole outflow；Alternatively,
Second stepping of piston push rod described in the Motor Control, to keep first fluid in first internal cavity fixed
Amount flows out to the first external cavity by first inner via hole, then by first accessibke porosity through described in catheter suction
In piston gas-liquid capsule, the film is made to reach zeroing deformation under the pressure of the first fluid, the curvature of the film reaches
Return to zero curvature, so that adjusting the film reaches zeroing focal length；The second fluid passes through described in second accessibke porosity entrance
Second external cavity, then second internal cavity is entered by the second inner via hole.
Preferably, the focal length adjustment device further includes battery, is that the chip, rotation angle demodulator and motor supply
Electricity.
Preferably, the quantity of first inner via hole and the second inner via hole is even number；Multiple first inner via holes
It is arranged in the first shell at equal intervals；Multiple second inner via holes are arranged at equal intervals in the second shell.
It is further preferred that center symmetric setting of multiple first inner via holes according to the first shell；Multiple institutes
The second inner via hole is stated according to the center symmetric setting of the second shell.
Preferably, first inner via hole and the second inner via hole are round or taper.
Preferably, the focal length adjustment device further includes cover board, and lid closes on the outside of the first shell, and the cover board is convex
Lens.
It is further preferred that the focal length adjustment device further includes bottom plate, lid is closed on the outside of the second shell, and with institute
Cover board is stated to be interlocked.
It is further preferred that the surface of the cover board, bottom plate or film has photosensitive material.
It is further preferred that the material of the cover board, bottom plate is glass or resin.
Preferably, the cover board, bottom plate, film and piston gas-liquid capsule are replaceable device.
A kind of focal length adjustment device provided in an embodiment of the present invention, user can pass through rotation angle tune according to their needs
It saves device and realizes that the dead-center position of focusing is adjusted, to realize that a glasses can be worn for more people.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the explosion of focal length adjustment device provided in an embodiment of the present invention；
Fig. 2 is a kind of partial cutaway schematic of focal length adjustment device provided in an embodiment of the present invention；
Fig. 3 is a kind of diagrammatic cross-section of the piston gas-liquid capsule of focal length adjustment device provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of focal length adjustment device provided in an embodiment of the present invention.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Fig. 1 is a kind of perspective view of the explosion of focal length adjustment device provided in an embodiment of the present invention, as shown in Figure 1, of the invention
The focal length adjustment device that embodiment provides includes: shell 1, film 2, ring holder 3, piston gas-liquid capsule 4, rotation angular adjustment
Device (not shown in figure 1), chip (not shown) and motor 8.
Shell 1 includes first shell 11 and second shell 12, has the first inner via hole 111 in first shell 11, for the
One fluid flows in or out；There is the second inner via hole 121, for flowing in or out for second fluid in second shell 12；Its
In, the first inner via hole 111 and the second inner via hole 121 are round or taper.
Fig. 2 be a kind of partial cutaway schematic of focal length adjustment device provided in an embodiment of the present invention, specially shell 1,
Diagrammatic cross-section after film 2 and the assembly of ring holder 3, as shown in Fig. 2, film 2 is encapsulated in first shell 11 and second
Between shell 12, first shell 11 and film 2 form the first internal cavity 112, and the first internal cavity 112 is for accommodating first fluid；
Second shell 12 and film 2 form the second internal cavity 122, and the second internal cavity 122 is for accommodating second fluid, the first internal cavity
112 and second closed between internal cavity 122.Wherein, the elastic film 2 that film 2 is round or oval.
It should be noted that the effect of first fluid is filled in the first internal cavity 112, so that shape occurs for film 2
Become, to form 2 curvature of film；So injection rate of the adjustable first fluid in the first internal cavity 112, to adjust thin
The curvature of film 2, and then achieve the purpose that focus.
The effect of second fluid is filled in the second internal cavity 122, is passively, that is to say, that as first fluid is filled
When entering the first internal cavity 112, because between the first internal cavity 112 and the second internal cavity 122 being closed, the second internal cavity
The volume of 122 second fluid changes therewith.
Optionally, first fluid can be liquid, such as water, silicone oil or transparent reflective liquid；It can certainly be gas
Body, such as air or inert gas.
Similarly, second fluid is also possible to gas, such as air or inert gas, is also possible to liquid, such as water, silicone oil
Or transparent reflective liquid.
Referring to figs. 1 and 2, ring holder 3 is socketed in 1 outer ring portion of shell, specifically, tool in ring holder 3
There is annular protrusion 30, annular protrusion 30 supports shell 1, and annular protrusion 30 forms two grooves in the inside of ring holder 3,
The outer of two grooves is socketed in the outer of first shell 11 and second shell 12, the outer of shell 1 and ring holder 3 respectively
Between have certain interval, to make to form the first external cavity 33 between first shell 11 and ring holder 3；Second shell 12
The second external cavity 34 is formed between ring holder 3, closed between the first external cavity 33 and the second external cavity 34, mutual not phase
It is logical；First internal cavity 112 is connected by the first inner via hole 111 and the first external cavity 33, and the second internal cavity 122, which passes through in second, to be led to
Hole 121 and the second external cavity 34 are connected.
Further, the outer ring portion of ring holder 3 has the first accessibke porosity 31 and the second accessibke porosity 32, the first accessibke porosity
31 are conducted with the first external cavity 33, and the second accessibke porosity 32 is conducted with the second external cavity 34, and such first fluid passes through first
Accessibke porosity 31 is flowed in or out to the first external cavity 33, then flows in or out the first internal cavity 112 by the first inner via hole 111,
To make the film 2 being clipped between the first internal cavity 112 and the second internal cavity 122 generate quantitative shape under the pressure of first fluid
Become, change the curvature of film 2, to realize the adjusting to device focal length；While deformation occurs for film 2, the second internal cavity
Second fluid in 122 flows out to the second external cavity 34 from the second inner via hole 121 according to the deformation of film 2, then passes through outside second
The outflow of through-hole 32 or second fluid are by the second accessibke porosity 32 the second external cavity 34 of inflow, then are flowed by the second inner via hole 121
Second internal cavity 122.
Deformation in order to guarantee film 2 is uniform, in a preferred embodiment, the first inner via hole 111 and the second inner via hole 121
Quantity it is identical, be even number, and center symmetric setting of multiple first inner via holes 111 according to first shell 11, Duo Ge
Two inner via holes 121 are according to the center symmetric setting of second shell 12, more preferably, multiple first inner via holes 111 and multiple
Two inner via holes, 121 spaced set, such first fluid can be by multiple symmetrically arranged first inner via holes 111 from first outside
Cavity 33 uniformly flows in or out the first internal cavity 112, to guarantee that first fluid is equal from all directions of the first internal cavity 112
It is even symmetrically to flow in or out；Corresponding, the second fluid in the second internal cavity 122 can pass through multiple symmetrically arranged
The second fluid that two inner via holes 121 uniformly flow out in the second external cavity 34 or the second external cavity 34 is symmetrical arranged by multiple
The second inner via hole 121 uniformly flow into the second internal cavity 122, to guarantee second fluid from each of the second internal cavity 122
The outflow or inflow of direction symmetrically, and then guarantee that the deformation of film 2 is uniformly, to realize the accurate adjusting of focal length.
Fig. 3 is a kind of diagrammatic cross-section of the piston gas-liquid capsule of focal length adjustment device provided in an embodiment of the present invention, such as Fig. 3
It is shown, piston gas-liquid capsule 4, including liquid storage chamber 41 and piston push rod 42.In conjunction with shown in Fig. 1 to Fig. 3, is equipped in liquid storage chamber 41
One fluid has connector on the side wall of liquid storage chamber 41, for connecting one end of catheter 5, the other end of catheter 5 and first
First accessibke porosity 31 of external cavity 33 connects；Piston push rod 42 has pushing part 421, and pushing part 421 is plugged in liquid storage chamber 41,
Motor 8 is connect with piston push rod 42, and controls piston push rod 42, makes pushing part 421 along the direction for being parallel to liquid storage chamber 41
Horizontal movement, thus change the liquid pressure in liquid storage chamber 41, so that the first fluid in liquid storage chamber 41 is pressed into catheter 5,
Hence into the first external cavity 33, or flow out the first fluid of the first internal cavity 112 through the first external cavity 33, catheter 5
To liquid storage chamber 41.For the importing or export for realizing first fluid accurate quantification, liquid storage chamber 41 is preferably helical form or elongate, spiral shell
The cross-sectional area for revolving the liquid storage chamber 41 of shape or elongate is smaller, thus the importing of first fluid accurate quantification may be implemented or lead
Out.
Angle demodulator is rotated, for generating pivoting angle data when rotated.Specifically, user when in use can be with
According to the case where itself eye by rotation angles degree adjuster adjust the first internal cavity 112 in first fluid inflow or
Discharge, so that adjusting film 2 reaches zeroing focal length, as the state of human eye the most comfortable, locking rotate angle demodulator at this time,
The state of film 2 is original state at this time.
Chip calculates 8 stepping-in amount of motor according to pivoting angle data, to generate dead-center position control data.
Motor 8, is connected with chip, and the dead-center position for receiving chip controls data, and motor 8 controls piston and pushes away
The stepping of bar 42, so that changing the amount of the first fluid of the first internal cavity 112 makes device so that the curvature of film 2 changes
Focus adjustment to be most suitable for human eye position.
In a preferred embodiment, be realization device focal length accurate adjusting, it is necessary to control first fluid liquid inlet volume or
Liquid outlet quantity it is accurate, therefore the device motor 8 preferably use pressure motor 8, chip by calculate motor 8 rotation circle
Several and piston push rod 42 generates the relationship between pressure, to realize the liquid inlet volume or liquid outlet quantity of first fluid in liquid storage chamber 41
It is accurate to adjust, and then realize the accurate adjusting of the device focal length.Certainly, those skilled in the art can according to need to motor
8 type is selected, such as stepping motor, linear motor, electric rotating motivation or electromagnetic motor, realizes liquid storage chamber 41
The adjustment of middle first fluid liquid inlet volume or liquid outlet quantity.
Again as shown in Figure 1, focal length adjustment device further includes cover board 6 and bottom plate 7, the lid of cover board 6 is closed in first shell 11
Outside, the lid of bottom plate 7 closes in the outside of second shell 12, and cover board 6 and bottom plate 7 are interlocked, and forms sealing area, can be by shell
1, film 2, ring holder 3, piston gas-liquid capsule, motor 8 and chip are accommodated in the sealing area.
Wherein, the material of cover board 6 and bottom plate 7 can be glass or resin, and cover board 6 is convex lens in this example, and bottom plate 7 is
Flat mirror, it should be noted that convex lens and flat mirror are not restricted to the lens type of cover board 6 and bottom plate 7, those skilled in the art
It can according to need and the lens type of cover board 6 and bottom plate 7 is selected.
Further, cover board 6 can be convex lens or concavees lens with degree, and the device is made to be used as presbyopic glasses
Or near-sighted glasses.
In order to make device also have the function of shading, photosensitive material is added in cover board 6, bottom plate 7, film 2 or first fluid
Material, the color of photosensitive material can be a variety of；A variety of photosensitive materials can also be mixed into, it is a certain photosensitive under different luminous intensities
Material accounts for leading role, to realize discoloration, reaches shaded effect.Cover board 6 and bottom plate 7 be it is replaceable, user can be according to need
Replace cover board 6, the bottom plate 7 of different colours, or the cover board 6 of different degrees；Piston gas-liquid capsule 4 is also replaceable, Yong Huke
With replacement as needed equipped with the piston gas-liquid capsule 4 with different colours photosensitive material first fluid.
Focal length adjustment device provided by the invention can individually wear use, for it is easy to use can be by two focus adjustments
Device, which is placed in spectacle frame 9, to carry out using specific as shown in figure 4, spectacle frame 9 includes left support 91, right support 92 and connecting rod
93, for connecting two focal length adjustment devices, motor 8 and chip in two focal length adjustment devices can be placed in connecting rod 93
It in connecting rod 93, can also be respectively placed in left support 91 and right support 92, the rotation angular adjustment of two focal length adjustment devices
Device 10 can be separately positioned on left support 91 and right support 92, be electrically connected with chip.
The power supply of the focal length adjustment device can be to be realized by battery 94, and battery 94 can be two, is respectively set
In the inside of left support 91 and right support 92, two batteries 94 are parallel connection, while being rotation angle demodulator 10, chip and electronic
Machine 8 is powered.For the ease of using for a long time, extend stand-by time, there are many charging modes for this system design.Stop at night
When breath, can be used wireless seat fill or USB charging；When working before computer, USB charging can be used；Outdoors or there is the ground of light
When side's activity, solar recharging can be used.
On the basis of the structure to focal length adjustment device of the invention is fully understood, in conjunction with shown in Fig. 1 to Fig. 4, to this
The use of focal length adjustment device is introduced.
Focal length adjustment device when in use, since the required focal length of each user is different, for the feelings of each user
Condition needs to set different original states, the i.e. adjusting of dead-center position.
User rotates in the forward direction rotation angle demodulator 10, makes to rotate the generation pivoting angle data of angle demodulator 10, concurrently
Chip is given, 8 stepping-in amount of motor is calculated according to pivoting angle data, to generate dead-center position control data, and is sent to
Motor 8.
Motor 8 controls the first stepping of piston push rod 42, to pass through first fluid is quantitative in piston gas-liquid capsule 4
Catheter 5 is injected by the first accessibke porosity 31 to the first external cavity 33, and first fluid is flowed into first by the first inner via hole 111
Cavity 112 makes film 2 reach zeroing deformation under the pressure of first fluid, and the curvature of film 2 reaches zeroing curvature, to adjust
Section film 2 reaches zeroing focal length；Second fluid in second internal cavity 122 is under the extruding of film 2 from the second inner via hole 121
The second external cavity 34 is flowed out to, then is flowed out by the second accessibke porosity 32.
Alternatively, customer reverse rotation angles degree adjuster 10, makes to rotate the generation pivoting angle data of angle demodulator 10,
And it is sent to chip, 8 stepping-in amount of motor is calculated according to pivoting angle data, to generate dead-center position control data, concurrently
Give motor 8.
Motor 8 controls the second stepping of piston push rod 42, so that first fluid in the first internal cavity 112 be made quantitatively to pass through
First inner via hole 111 flows out to the first external cavity 33, then is pumped into piston gas-liquid capsule 4 by the first accessibke porosity 31 through catheter 5,
Film 2 is set to reach zeroing deformation under the pressure of first fluid, the curvature of film 2 reaches zeroing curvature, reaches to adjust film 2
To zeroing focal length；Second fluid enters the second external cavity 34 by the second accessibke porosity 32, then enters second by the second inner via hole 121
Internal cavity 122.
A kind of focal length adjustment device provided in an embodiment of the present invention, user can pass through rotation angle tune according to their needs
It saves device and realizes that the dead-center position of focusing is adjusted, to realize that a glasses can be worn for more people.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of focal length adjustment device, including shell, film, ring holder and piston gas-liquid capsule, which is characterized in that
The shell includes first shell and second shell, has the first inner via hole, the second shell in the first shell
It is upper that there is the second inner via hole；
For the thin-film package between the first shell and second shell, the first shell and film form sky in first
Chamber, the second shell and film form the second internal cavity, closed between first internal cavity and the second internal cavity；
The ring holder is socketed in shell outer ring portion, has annular protrusion, the first accessibke porosity in the ring support
With the second accessibke porosity, the annular protrusion supports the shell, forms first between the first shell and ring holder
External cavity；The second external cavity, first external cavity and the second external cavity are formed between the second shell and ring holder
Between it is closed；First internal cavity is connected by first inner via hole with first external cavity, second internal cavity
It is connected by second inner via hole with second external cavity；First accessibke porosity is conducted with first external cavity,
Second accessibke porosity is conducted with second external cavity；Wherein, the quantity of first inner via hole and the second inner via hole is equal
For even number；Multiple first inner via holes are arranged at equal intervals in the first shell；Between multiple described second inner via holes etc.
Every setting in the second shell；
The piston gas-liquid capsule is equipped with first fluid, and is conducted by catheter and first accessibke porosity, the work
Filling in gas-liquid capsule has piston push rod；
The focal length adjustment device further includes rotation angle demodulator, for generating pivoting angle data when rotated；
The focal length adjustment device further includes chip, according to the pivoting angle data, generates dead-center position and controls data；
The focal length adjustment device further includes motor, is connected with the chip, for receiving the dead-center position of the chip
Control data；
First stepping of piston push rod described in the Motor Control, so that first fluid in the piston gas-liquid capsule is quantitative
It is injected by first accessibke porosity to first external cavity by the catheter, the first fluid passes through described first
Inner via hole flows into first internal cavity, and the film is made to reach zeroing deformation under the pressure of the first fluid, described thin
The curvature of film reaches zeroing curvature, so that adjusting the film reaches zeroing focal length；Second fluid in second internal cavity
Second external cavity is flowed out to from second inner via hole under the extruding of the film, then passes through second accessibke porosity
Outflow；Alternatively,
Second stepping of piston push rod described in the Motor Control, so that first fluid in first internal cavity be made quantitatively to lead to
It crosses first inner via hole and flows out to the first external cavity, then the piston is pumped into through the catheter by first accessibke porosity
In gas-liquid capsule, the film is made to reach zeroing deformation under the pressure of the first fluid, the curvature of the film reaches zeroing
Curvature, so that adjusting the film reaches zeroing focal length；The second fluid enters described second by second accessibke porosity
External cavity, then second internal cavity is entered by the second inner via hole.
2. focal length adjustment device according to claim 1, which is characterized in that the focal length adjustment device further includes battery,
For the chip, rotation angle demodulator and motor.
3. focal length adjustment device according to claim 1, which is characterized in that multiple first inner via holes are according to described
The center symmetric setting of one shell；Multiple second inner via holes are according to the center symmetric setting of the second shell.
4. focal length adjustment device according to claim 1, which is characterized in that first inner via hole and the second inner via hole are
Round or taper.
5. focal length adjustment device according to claim 1, which is characterized in that the focal length adjustment device further includes cover board,
Lid closes on the outside of the first shell, and the cover board is convex lens.
6. focal length adjustment device according to claim 5, which is characterized in that the focal length adjustment device further includes bottom plate,
Lid is closed and is interlocked on the outside of the second shell, and with the cover board.
7. focal length adjustment device according to claim 6, which is characterized in that the surface of the cover board, bottom plate or film has
There is photosensitive material.
8. focal length adjustment device according to claim 6, which is characterized in that the cover board, bottom plate material be glass or
Resin.
9. focal length adjustment device according to claim 6, which is characterized in that the cover board, bottom plate, film and piston gas-liquid
Capsule is replaceable device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702718.9A CN107390384B (en) | 2017-08-16 | 2017-08-16 | Focal length adjustment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702718.9A CN107390384B (en) | 2017-08-16 | 2017-08-16 | Focal length adjustment device |
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| CN107390384A CN107390384A (en) | 2017-11-24 |
| CN107390384B true CN107390384B (en) | 2019-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710702718.9A Active CN107390384B (en) | 2017-08-16 | 2017-08-16 | Focal length adjustment device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041431U (en) * | 1988-11-24 | 1989-07-19 | 武际可 | Elastic hydraulic varifocal lens |
| US5229885A (en) * | 1991-09-03 | 1993-07-20 | Quaglia Lawrence D | Infinitely variable focal power lens units precisely matched to varying distances by radar and electronics |
| CN101583887A (en) * | 2006-10-23 | 2009-11-18 | 乔斯华·戴维·西尔弗 | Variable focus lens and spectacles |
| CN102317816A (en) * | 2009-02-13 | 2012-01-11 | 阿德伦丝必康公司 | Variable focus liquid filled lens mechanism |
| CN105143926A (en) * | 2013-01-31 | 2015-12-09 | Adlens有限公司 | Actuation of fluid-filled lenses |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207114880U (en) * | 2017-08-16 | 2018-03-16 | 邵洁茹 | Focal length adjustment device |
-
2017
- 2017-08-16 CN CN201710702718.9A patent/CN107390384B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041431U (en) * | 1988-11-24 | 1989-07-19 | 武际可 | Elastic hydraulic varifocal lens |
| US5229885A (en) * | 1991-09-03 | 1993-07-20 | Quaglia Lawrence D | Infinitely variable focal power lens units precisely matched to varying distances by radar and electronics |
| CN101583887A (en) * | 2006-10-23 | 2009-11-18 | 乔斯华·戴维·西尔弗 | Variable focus lens and spectacles |
| CN102317816A (en) * | 2009-02-13 | 2012-01-11 | 阿德伦丝必康公司 | Variable focus liquid filled lens mechanism |
| CN105143926A (en) * | 2013-01-31 | 2015-12-09 | Adlens有限公司 | Actuation of fluid-filled lenses |
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| Publication number | Publication date |
|---|---|
| CN107390384A (en) | 2017-11-24 |
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