CN111433657A - Diopter adjusting device and electronic equipment - Google Patents
Diopter adjusting device and electronic equipment Download PDFInfo
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- CN111433657A CN111433657A CN201780097416.1A CN201780097416A CN111433657A CN 111433657 A CN111433657 A CN 111433657A CN 201780097416 A CN201780097416 A CN 201780097416A CN 111433657 A CN111433657 A CN 111433657A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/02—Viewfinders
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
Diopter adjustment device (1) for an electronic apparatus with a viewfinder eyepiece, comprising: the piezoelectric ceramic module (10) can deform under the state of voltage application; the lens module (20) is fixedly connected with the piezoelectric ceramic module (10) and is used for providing optical support for the diopter adjusting device; and the control module (30) is connected with the piezoelectric ceramic module (10) and used for diopter setting for a user and controlling the voltage applied to the piezoelectric ceramic module (10) according to the diopter setting of the user so as to control the deformation of the piezoelectric ceramic module (10). An electronic device (100). The diopter adjusting device (1) and the electronic equipment (100) can correct naked eyes of operators with poor eyesight.
Description
The invention relates to the technical field of display, in particular to a diopter adjusting device and electronic equipment.
Some optical instruments, such as cameras, microscopes, telescopes, head-mounted devices and the like are all provided with a view-finding eyepiece so that an operator can observe and focus conveniently, however, when the view-finding eyepiece of the device is used for observing and focusing, the observation and focusing can be influenced by the unclear sight of the operator with naked eyes due to poor eyesight, and if the operator wears glasses for observation, the distance exists between the glasses and the view-finding eyepiece, so that the focusing on the device is inaccurate, and the use of the device is further influenced.
Disclosure of Invention
The technical scheme of the invention discloses a diopter adjusting device and electronic equipment, which can correct naked eyes of operators with poor eyesight, so that the operators can observe clearly with the naked eyes.
A diopter adjusting device for an electronic apparatus having a viewfinder eyepiece, comprising: the piezoelectric ceramic module can deform under the state of voltage application; the lens module is fixedly connected with the piezoelectric ceramic module and used for providing optical support for the diopter adjusting device; and the control module is connected with the piezoelectric ceramic module and used for setting diopter for a user and controlling the voltage applied to the piezoelectric ceramic module according to the diopter setting of the user so as to control the deformation of the piezoelectric ceramic module.
An electronic device comprises a viewfinder eyepiece and a diopter adjusting device, wherein the viewfinder eyepiece is fixedly connected with a piezoelectric ceramic module of the diopter adjusting device.
The diopter adjusting device and the electronic equipment can correct naked eyes of operators with poor eyesight, so that the operators can clearly observe with the naked eyes.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a diopter adjustment device according to a first embodiment of the present invention.
Figure 2 is a schematic side view of a diopter adjustment device according to a first embodiment of the invention.
Fig. 3 is a schematic perspective view of a piezoelectric ceramic module of a diopter adjusting device according to a first embodiment of the present invention.
Fig. 4 is a schematic perspective view of a piezoelectric ceramic module of a diopter adjusting device according to a second embodiment of the present invention.
Fig. 5 is a schematic perspective view of a piezoelectric ceramic module of a diopter adjusting device according to a third embodiment of the present invention.
Fig. 6 is an exploded view of an electronic device according to a fourth embodiment of the invention.
Fig. 7 is a side view of an electronic device in a fourth embodiment of the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the technical solutions of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, fig. 1 is an exploded schematic view of a diopter adjusting device according to a first embodiment of the present invention, fig. 2 is a side view of the diopter adjusting device according to the first embodiment of the present invention, and fig. 3 is a perspective schematic view of a piezoelectric ceramic module of the diopter adjusting device according to the first embodiment of the present invention; the first embodiment of the present technical solution provides a diopter adjusting device 1, which is used for an electronic device with a viewfinder.
The diopter adjusting device 1 comprises a piezoelectric ceramic module 10, a lens module 20 and a control module 30.
The piezoelectric ceramic module 10 comprises at least one piezoelectric ceramic piece 11 and a containing piece 12, wherein the at least one piezoelectric ceramic piece 11 is contained and fixed in the containing piece 12; the lens module 20 includes a lens group 21 and a housing 22, and the lens group 21 is accommodated in the housing 22; the accommodating part 12 is arranged on the shell 22; the control module 30 comprises a circuit board 31, a processing chip 32 and an adjusting piece 33 which are electrically connected with each other, and the control module 30 is connected with the piezoelectric ceramic module 10. When the diopter adjusting device 1 is used for the electronic equipment with the viewfinder eyepiece, the accommodating part 12 can be fixedly connected with the viewfinder eyepiece.
In this embodiment, the circuit board 31 and the processing chip 32 of the control module 30 are accommodated in the housing 22, and the adjusting member 33 is exposed on the housing 22.
Preferably, the receiving member 12 is fixed on the housing 22 by glue or glue, and is hermetically connected to the housing 22, so as to have better dust-proof capability.
The piezoelectric ceramic piece 11 has an electrostrictive property, and the piezoelectric ceramic piece 11 can deform under the condition of applying voltage; the accommodating part 12 can respond to the deformation of the piezoelectric ceramic piece 11 to deform, and the deformation of the accommodating part 12 can cause the distance between the viewfinder eyepiece and the lens module 20 to change, wherein the distance between the viewfinder eyepiece and the lens module 20 changes, namely, the change of the corresponding diopter degree.
In this embodiment, in a voltage applying state, the piezoelectric ceramic plate 11 can deform along the optical axis direction of the lens group 21 of the lens module 20; the holding piece 12 can respond to the deformation of piezoceramics piece 11 is following take place to warp in the optical axis direction of lens module 20, the deflection of holding piece 12 equals the eyepiece of finding a view with the distance variation between the lens module 20.
In other embodiments, if the lens in the lens module 20 is intended to move in a direction other than the optical axis direction, the piezoelectric ceramic piece 11 may be set in a pressurized state, and the piezoelectric ceramic piece 11 may deform in the direction other than the optical axis direction of the lens module 20, for example, the deformation direction of the piezoelectric ceramic piece 11 is set to be an inclined angle with the optical axis direction.
In this embodiment, the piezoelectric ceramic module 10 includes two substantially parallel piezoelectric ceramic pieces 11; each piezoelectric ceramic piece 11 comprises an arc-shaped part 111 and extension parts 112 connected to two ends of the arc-shaped part 111; the arc portion 111 is curved along the optical axis of the lens group 21.
Under the state of applying voltage, the curvature of the arc-shaped portion 111 of the two piezoelectric ceramic plates 11 can change, and the curvature of the arc-shaped portion 111 can change linearly with the voltage. The parameters of the two piezoelectric ceramic plates 11 are consistent, that is, the deformation direction and the deformation amount are consistent under the condition of applying the same voltage.
In this embodiment, in a state where a voltage is applied, the curvature of each of the arc-shaped portions 111 is set to be larger, the curvature of each of the arc-shaped portions 111 linearly increases with an increase in the voltage, the curvature of each of the arc-shaped portions 111 linearly decreases with a decrease in the voltage, and the arc-shaped portions 111 are set to return to their original shapes when the voltage is removed; in another embodiment, the curvature of the arc-shaped portion 111 may be set to decrease with the voltage applied, the curvature of the arc-shaped portion 111 may decrease linearly with the voltage applied, the curvature of the arc-shaped portion 111 may increase linearly with the voltage applied, and the voltage may be removed to restore the arc-shaped portion 111.
In this embodiment, the extension portions 112 of the two piezoelectric ceramic plates 11 are separated; in other embodiments, the two extending portions 112 of the piezoceramic wafer 11 may also be connected, and are not limited to the embodiment.
In this embodiment, the receiving member 12 includes a first surface 121, a second surface 122, and a connecting surface 123 connected between the first surface 121 and the second surface 122; a light-passing hole 124 is formed on the receptacle 12, and the light-passing hole 124 passes through the first surface 121 and the second surface 122, so that the receptacle 12 is annular as a whole; the extending direction of the first surface 121 and the second surface 122 is substantially perpendicular to the optical axis direction of the lens module 20; the top ends of the arc-shaped parts 111 of the two piezoelectric ceramic plates 11 are fixed on the first surface 121 side, and the extension parts 112 of the two piezoelectric ceramic plates 11 are fixed on the second surface 122 side; the two piezoelectric ceramic plates 11 are respectively arranged on two sides of the accommodating part 12; the receiving member 12 can generate thickness variation along the optical axis direction of the lens module 20 in response to the change of the radian of the piezoelectric ceramic plate 11, and the deformation of the receiving member 12 along the optical axis direction of the lens module 20 is the thickness variation in response to the deformation of the piezoelectric ceramic plate 11. In this embodiment, the thickness of the receptacle 12 is the distance between the first surface 121 and the second surface 122.
The receptacle 12 is preferably shaped to substantially match the viewfinder eyepiece and lens module 20 for facilitating attachment between the viewfinder eyepiece and lens module 20. preferably, as shown in fig. 1-3, the receptacle 12 is generally oblong in shape for better mechanical performance.
The housing 12 may be a casing, and the casing corresponding to the connecting surface 123 may be made of a soft insulating material so as to be easily deformed in the thickness direction of the housing 12, for example, made of a soft insulating material such as silica gel, rubber, and resin, or the casing corresponding to the connecting surface may be formed by connecting a plurality of folding surfaces, the folding surfaces may be made of a hard or soft material, the folding surfaces are connected by a soft material, and the folding surfaces can be folded or unfolded in the optical axis direction of the lens module 20 and can also be easily deformed in the thickness direction of the housing 12; the accommodating part 12 can also be an elastic entity which is integrally made of elastic materials and can also be easily deformed, and the at least one piezoelectric ceramic piece 11 is tightly wrapped in the elastic entity; the elastic material may be silicone, rubber, elastic resin, or the like.
The lens module 20 is used for providing optical support for the diopter adjusting device 1, for example, providing optical support required for correcting near-sightedness or far-sightedness; the lens group 21 may include one or more optical lenses.
The control module 30 is configured to provide diopter setting for a user, and is configured to control a voltage applied to the at least one piezoceramic sheet 11 according to the diopter setting of the user so as to control deformation of the at least one piezoceramic sheet 11; the processing chip 32 is mounted on the circuit board 31; the control module 30 stores the corresponding relationship among the voltage value applied to the at least one piezoceramic wafer 11, the deformation of the accommodating element 12 and the diopter (or change value), and the processing chip 32 can perform conversion calculation among the voltage value applied to the at least one piezoceramic wafer 11, the deformation of the accommodating element 12 and the diopter (or change value); the adjusting member 33 is used for the user to perform diopter adjustment setting.
The adjusting member 33 may be a virtual adjusting interface, a key pad or a knob.
In this embodiment, the adjusting member 33 is provided with two plus-minus adjusting positions 331, the two plus-minus adjusting positions 331 correspond to diopter plus and diopter minus, for example, the adjusting position is added every time of operation, the diopter plus 50, and the adjusting position is subtracted every time of operation, the diopter minus 50, so that the user can select different adjusting positions 331 to perform diopter plus-minus adjustment.
In other embodiments, a plurality of adjustment positions 331 may be further disposed on the adjustment member 33, the plurality of adjustment positions 331 may correspond to different diopter powers, for example, 50, 100, 150, 200, 250, 300, 350, etc., and a user may select different adjustment positions 331 according to a desired diopter power.
When the adjuster 33 is a virtual interface, two virtual plus-minus adjustment positions or a plurality of virtual diopter power adjustment positions may be provided to perform diopter setting similar to the above.
Referring to fig. 4, fig. 4 is a schematic perspective view of a piezoelectric ceramic module of a diopter adjusting device according to a second embodiment of the present invention, and a second embodiment of the present invention provides a diopter adjusting device, which is substantially the same as the diopter adjusting device 1 of the first embodiment, except that: in this embodiment, the piezoelectric ceramic module 10 includes four piezoelectric ceramic pieces 11, each two of the four piezoelectric ceramic pieces 11 form a group, two groups of the piezoelectric ceramic pieces 11 are respectively disposed on two sides of the receiving member 12, each piezoelectric ceramic piece 11 includes an inclined portion 113 and extension portions 112 respectively connected to two ends of the inclined portion 113, the extension portions 112 at two ends of the inclined portion 113 of each piezoelectric ceramic piece 11 are respectively fixed on the first surface 121 side and the second surface 122 side, so that each piezoelectric ceramic piece 11 is located between the first surface 121 and the second surface 122; the inclined parts 113 in the two piezoelectric ceramic pieces 11 in each group are preferably opposite in inclination direction; the inclined portion 113 is inclined toward the optical axis direction of the lens module 20.
Under the condition of applying voltage, the inclination and length of the inclined part 113 can be changed, and the inclination and/or length of the inclined part 113 can be changed linearly according to the magnitude of the voltage, wherein the thickness of the receptacle 12 can be changed along the optical axis of the lens module 20 in response to the change of the inclination and/or length of the piezoceramic sheet 11. The parameters of the four piezoelectric ceramic sheets 11 are consistent, that is, the direction and amount of deformation are consistent under the condition of applying the same voltage.
Similar to the first embodiment, in this embodiment, in the voltage applying state, the inclination and/or length of each of the inclined portions 113 becomes larger, and the inclination and/or length of the inclined portion 113 linearly increases with the increase of the voltage, and the inclination and/or length of the inclined portion 113 linearly decreases with the decrease of the voltage, and the voltage is removed, so that the inclined portion 113 is restored; or, in a state of applying a voltage, the inclination and/or length of the inclined portion becomes smaller, and the inclination and/or length of the inclined portion linearly decreases as the voltage increases, and the inclination and/or length of the inclined portion 113 linearly increases as the voltage decreases, and the voltage is removed, so that the inclined portion 113 is restored to its original state.
Referring to fig. 5, fig. 5 is a schematic perspective view of a piezoelectric ceramic module of a diopter adjusting device according to a third embodiment of the present invention, in a third embodiment of the present invention, a diopter adjusting device is provided, which is substantially the same as the diopter adjusting device 1 of the first embodiment, except that: in this embodiment, the piezoelectric ceramic module 10 includes a plurality of piezoelectric ceramic pieces 11 stacked layer by layer and fixedly connected layer by layer, and two piezoelectric ceramic pieces 11 at two outermost sides are respectively fixed on the first surface 121 side and the second surface 122 side; under the state of applying voltage, the thickness of each piezoelectric ceramic piece 11 can change, and the thickness of each piezoelectric ceramic piece 11 can be changed linearly with the voltage, wherein, in response to the thickness change of the piezoelectric ceramic pieces 11, the accommodating piece 12 can also generate the thickness change along the optical axis direction of the lens module 20. The parameters of the four piezoelectric ceramic plates 11 are consistent, that is, the deformation direction and deformation amount are consistent under the condition of applying the same voltage.
Similar to the first embodiment, in a voltage-applied state, the thickness of each piezoelectric ceramic piece 11 becomes larger, and as the voltage increases, the thickness of each piezoelectric ceramic piece 11 also linearly increases, and as the voltage decreases, the thickness of each piezoelectric ceramic piece 11 also linearly decreases, and when the voltage is removed, the thickness of each piezoelectric ceramic piece 11 returns to its original shape; or, under the state of adding voltage, every piezoceramics piece 11's thickness diminishes, and along with the increase of voltage, every piezoceramics piece 11's thickness reduces linearly, along with the reduction of voltage, every piezoceramics piece 11's thickness increases linearly, removes voltage, every piezoceramics piece 11's thickness reconversion.
Preferably, a plurality of the piezoceramic wafers 11 are laminated in the accommodating part 12 in a continuous or discontinuous ring shape and surround the light through hole 124. In this embodiment, a plurality of the piezoelectric ceramic sheets 11 are continuously and annularly stacked in the accommodating member 12 and surround the light passing hole 124.
Referring to fig. 1 to 7, a fourth embodiment of the present disclosure provides an electronic apparatus 100, where the electronic apparatus 100 includes a viewfinder eyepiece 101 and any diopter adjusting device described in the first to third embodiments; the piezoelectric ceramic module 10 in the diopter adjusting device is fixedly connected to the viewfinder eyepiece 101.
In this embodiment, the first surface 121 or the second surface 122 of the accommodating member 12 in the diopter adjusting device is fixedly disposed on the viewfinder eyepiece 101 through a back adhesive or a glue, and is hermetically connected to the viewfinder eyepiece 101, so as to have a better dust-proof capability.
The electronic device 100 may be a camera, a microscope, a telescope, a head-mounted device, or the like. It is understood that the electronic device 100 may include other components, which are not shown in the present embodiment.
When the adjusting member 33 includes two plus-minus adjusting positions 331, when the diopter adjusting device 1 of the electronic device 100 is used, diopter power plus-minus values can be set through the adjusting member 33, after receiving a diopter setting instruction, the processing chip 32 calculates a corresponding voltage value according to a correspondence relationship among a voltage value applied to the at least one piezoelectric ceramic piece 11, deformation of the accommodating member 12, and a diopter power change value, and outputs the voltage value to the at least one piezoelectric ceramic piece 11, the at least one piezoelectric ceramic piece 11 deforms under the action of voltage, so as to drive the accommodating member 12 to deform to change the thickness, and the accommodating member 12 pulls the eyepiece and the lens module 20 to change the distance therebetween, thereby obtaining the preset diopter power plus-minus value.
When the adjusting member 33 includes a plurality of diopter adjusting positions 331, when the diopter adjusting device 1 of the electronic device 100 is used, diopter degrees can be set through the adjusting member 33, after receiving a diopter setting instruction, the processing chip 32 calculates a corresponding voltage value according to a corresponding relationship among a voltage value applied to the at least one piezoelectric ceramic piece 11, a deformation of the accommodating member 12, and diopter degrees, and outputs the voltage value to the at least one piezoelectric ceramic piece 11, the at least one piezoelectric ceramic piece 11 deforms under the action of voltage, so as to drive the accommodating member 12 to deform and thereby change the thickness, and the accommodating member 12 pulls the eyepiece and the lens module 20 to change the distance therebetween, thereby obtaining the preset diopter power.
It is understood that, in other embodiments, when the electronic device 100 is a device having a screen, such as a head-mounted device, the thickness variation caused by the deformation of the receptacle 12 may also cause the distance between the screen and the lens module 20 to vary, which may actually enable a user to observe more clearly.
The diopter adjusting device and the electronic equipment in the technical scheme of the invention have the following advantages:
1. diopter power or diopter plus-minus value can be set, so that the naked eye correction can be performed on an operator with poor eyesight, and the operator can perform clear observation by using the naked eye.
2. Because the thickness change of the accommodating part is in a linear relation with the input voltage, after diopter power or diopter addition and subtraction value is set, the corresponding very accurate input voltage can be calculated, so that the error between the actual output value of diopter and the set diopter power or diopter addition and subtraction value is very small, and the accuracy of the output value is very high.
3. The thickness deflection that can be directly by the piezoceramics module controls the change of looking for an eye lens and lens module, need not set for other regulation structures such as gear to make diopter adjusting device and electronic equipment's structure very simple, and set for diopter number of degrees or diopter add and subtract the value and can realize automatically regulated, it is very convenient.
4. The piezoceramics piece is located respectively the both sides of holding the piece, or be annular layer or even segmentation stack and set up in holding the piece, thereby can make the at least both sides of holding the piece take place to warp simultaneously, and then make the thickness at each position of holding the piece is the same basically, and then can make the eyepiece of finding a view with atress between the lens module is even, and is difficult for the slope, and then can avoid because of the eyepiece of finding a view with shape interface or distortion that produce the slope and arouse between the lens module, also promptly, the design of the piezoceramics module of this embodiment can make electronic equipment have better observation effect.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (20)
- A diopter adjusting device for an electronic apparatus having a viewfinder eyepiece, comprising:the piezoelectric ceramic module can deform under the state of voltage application;the lens module is fixedly connected with the piezoelectric ceramic module and used for providing optical support for the diopter adjusting device; andand the control module is connected with the piezoelectric ceramic module and used for setting diopter for a user and controlling the voltage applied to the piezoelectric ceramic module according to the diopter setting of the user so as to control the deformation of the piezoelectric ceramic module.
- The diopter adjustment device of claim 1 wherein said piezoceramic module comprises at least one piezoceramic wafer and a receiving member; the accommodating piece comprises a first surface and a second surface which are opposite; a light through hole is formed in the accommodating piece and penetrates through the first surface and the second surface; the first surface or the second surface of the accommodating part is fixedly connected with the lens module; the at least one piezoelectric ceramic piece is contained in the containing piece, and when voltage acts on the at least one piezoelectric ceramic piece, the containing piece responds to deformation of the piezoelectric ceramic piece to deform.
- A diopter adjustment device according to claim 2, characterized in that said receptacle further comprises a connecting surface connected between said first and second surfaces; the accommodating part is a shell, and the shell corresponding to the connecting surface is made of soft insulating materials.
- A diopter adjustment device according to claim 2, characterized in that said receptacle further comprises a connecting surface connected between said first and second surfaces; the accommodating piece is a shell, the shell corresponding to the connecting surface is formed by connecting a plurality of folding surfaces, the folding surfaces are made of hard or soft materials and are connected through the soft materials, and the folding surfaces can be folded or unfolded along the optical axis direction of the lens module.
- The diopter adjustment device of claim 2, wherein said receptacle is an elastic solid body made of an elastic material in its entirety, said at least one piezoceramic sheet being tightly encased in said elastic body.
- The diopter adjustment device of claim 2 wherein said piezoelectric ceramic module comprises two parallel piezoelectric ceramic pieces, said two piezoelectric ceramic pieces being disposed on two sides of said receiving member, respectively; each piezoelectric ceramic piece comprises an arc-shaped part; the arc-shaped part is bent along the optical axis direction of the lens module; under the state of voltage application, the bending radian of the arc-shaped part is linearly changed along with the voltage.
- The diopter adjustment device according to claim 6, wherein in a state where the voltage is applied, the curvature of the arc portion becomes larger, and the curvature of the arc portion linearly increases as the voltage increases, and the curvature of the arc portion linearly decreases as the voltage decreases, and the voltage is removed, and the arc portion returns to its original shape; or, under the state of applying voltage, the crooked radian of arc portion diminishes, and along with the increase of voltage, the crooked radian of arc portion also linearly reduces, along with the reduction of voltage, the crooked radian linear increase of arc portion removes voltage, arc portion reconversion.
- The diopter adjustment device of claim 6, wherein each of the piezoelectric ceramic plates further comprises extension portions connected to both ends of the arc portion, the arc portion of each of the piezoelectric ceramic plates being fixed to the first surface side, and the extension portions of each of the piezoelectric ceramic plates being fixed to the second surface side.
- The diopter adjustment device according to claim 2, wherein said piezoelectric ceramic module comprises four piezoelectric ceramic plates, and four piezoelectric ceramic plates are grouped in pairs, wherein two groups of said piezoelectric ceramic plates are respectively disposed on two sides of said receiving member, and each of said piezoelectric ceramic plates comprises an inclined portion, and said inclined portion is inclined toward the optical axis direction of said lens module; under the voltage applying state, the inclination and/or the length of the inclined part are/is linearly changed along with the voltage.
- The diopter adjustment device according to claim 9, wherein in a state where a voltage is applied, the inclination and/or length of the inclined portion becomes larger, and the inclination and/or length of the inclined portion linearly increases as the voltage increases, and the inclination and/or length of the inclined portion linearly decreases as the voltage decreases, and the voltage is removed, and the inclined portion is restored; or, in the state of applying voltage, the inclination and/or length of the inclined part is reduced, the inclination and/or length of the inclined part is linearly reduced along with the increase of voltage, the inclination and/or length of the inclined part is linearly increased along with the reduction of voltage, the voltage is removed, and the inclined part is restored.
- The diopter adjustment device according to claim 9, wherein each of said piezoceramic wafers further comprises extension portions connected to both ends of said inclined portion, respectively, the extension portions of both ends of each of said piezoceramic wafers being fixed to said first surface side and said second surface side, respectively, such that each of said piezoceramic wafers is located between said first surface and said second surface.
- The diopter adjustment device of claim 9, wherein the inclination directions of the inclined portions in the two piezoceramic wafers of each set are opposite.
- The diopter adjusting device according to claim 2, wherein the piezoelectric ceramic module comprises a plurality of piezoelectric ceramic pieces stacked one on another and fixed one on top of another, two outermost piezoelectric ceramic pieces are fixed on the first surface side and the second surface side respectively, and the thickness of each piezoelectric ceramic piece changes linearly with the voltage when the voltage is applied.
- The diopter adjusting device according to claim 13, wherein in a voltage applying state, the thickness of each of the piezoelectric ceramic plates becomes larger, and as the voltage increases, the thickness of each of the piezoelectric ceramic plates also linearly increases, and as the voltage decreases, the thickness of each of the piezoelectric ceramic plates also linearly decreases, and when the voltage is removed, the thickness of each of the piezoelectric ceramic plates returns to the original shape; or, under the state of adding voltage, every the thickness of piezoceramics piece diminishes, and along with the increase of voltage, every the thickness of piezoceramics piece also linearly reduces, along with the reduction of voltage, every the thickness linear increase of piezoceramics piece, withdraw voltage, every the thickness reconversion of piezoceramics piece.
- The diopter adjustment device of claim 13, wherein a plurality of said piezoceramic wafers are laminated in said receptacle in a continuous or discontinuous ring shape and surround said light transmission hole.
- The diopter adjustment device of claim 1 wherein said control module comprises an adjustment member for user diopter adjustment settings; the adjusting piece is a virtual adjusting interface, a key board or a knob.
- The diopter adjustment device of claim 16 wherein said adjustment member is provided with two plus-minus adjustment positions corresponding to diopter plus and diopter minus, respectively.
- The diopter adjustment device of claim 16 wherein said adjustment member is provided with a plurality of adjustment positions corresponding to different diopter degrees.
- An electronic device, comprising a viewfinder eyepiece and a diopter adjusting device according to any one of claims 1 to 18, wherein the viewfinder eyepiece is fixedly connected with a piezoelectric ceramic module of the diopter adjusting device.
- A diopter adjustment device according to claim 19, characterized in that said electronic device is a camera, a microscope, a telescope, a head-mounted device.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/119426 WO2019127223A1 (en) | 2017-12-28 | 2017-12-28 | Dioptre adjustment apparatus and electronic device |
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| CN111433657A true CN111433657A (en) | 2020-07-17 |
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| CN201780097416.1A Pending CN111433657A (en) | 2017-12-28 | 2017-12-28 | Diopter adjusting device and electronic equipment |
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| WO (1) | WO2019127223A1 (en) |
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| WO2022134003A1 (en) * | 2020-12-25 | 2022-06-30 | 深圳市大疆创新科技有限公司 | Diopter adjustment method and apparatus, device and computer-readable storage medium |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131114Y (en) * | 1992-07-28 | 1993-04-28 | 陈可扬 | Focussing glasses |
| US5978015A (en) * | 1994-10-13 | 1999-11-02 | Minolta Co., Ltd. | Stereoscopic system with convergence and dioptric power adjustments according to object distance |
| CN1580834A (en) * | 2003-08-08 | 2005-02-16 | 奥林巴斯株式会社 | Element with variable optical properties |
| CN1797168A (en) * | 2004-12-24 | 2006-07-05 | 鸿富锦精密工业（深圳）有限公司 | Automatic focusing device |
| CN101196601A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN101557177A (en) * | 2008-04-08 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Piezoelectric driver and lens module |
| CN101866934A (en) * | 2009-04-20 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN103946732A (en) * | 2011-09-26 | 2014-07-23 | 微软公司 | Video display modification based on sensor input for a see-through near-to-eye display |
| CN105044805A (en) * | 2015-09-15 | 2015-11-11 | 芜湖赛宝信息产业技术研究院有限公司 | Elastic film astigmatism correction liquid lens |
| CN107193135A (en) * | 2017-07-14 | 2017-09-22 | 林琳 | A kind of new adjustable degrees glasses |
| CN206563849U (en) * | 2016-10-25 | 2017-10-17 | 中兴通讯股份有限公司 | A kind of virtual reality wearable device |
| CN207833101U (en) * | 2017-12-28 | 2018-09-07 | 深圳市柔宇科技有限公司 | Diopter regulating device and electronic equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101373A (en) * | 2006-09-01 | 2008-01-09 | 刘美鸿 | Single aspherical lens structure visual screen display device |
| CN202854465U (en) * | 2012-10-10 | 2013-04-03 | 孙永刚 | Viewfinder eyepiece assembly having vision compensation function |
| CN204731489U (en) * | 2015-05-26 | 2015-10-28 | 青岛歌尔声学科技有限公司 | A kind of Diopter accommodation mechanism and display device |
| CN205450524U (en) * | 2016-04-01 | 2016-08-10 | 湖南大众传媒职业技术学院 | Adjustable view -finder and have its camera suitable for photographic field |
-
2017
- 2017-12-28 WO PCT/CN2017/119426 patent/WO2019127223A1/en active Application Filing
- 2017-12-28 CN CN201780097416.1A patent/CN111433657A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131114Y (en) * | 1992-07-28 | 1993-04-28 | 陈可扬 | Focussing glasses |
| US5978015A (en) * | 1994-10-13 | 1999-11-02 | Minolta Co., Ltd. | Stereoscopic system with convergence and dioptric power adjustments according to object distance |
| CN1580834A (en) * | 2003-08-08 | 2005-02-16 | 奥林巴斯株式会社 | Element with variable optical properties |
| CN1797168A (en) * | 2004-12-24 | 2006-07-05 | 鸿富锦精密工业（深圳）有限公司 | Automatic focusing device |
| CN101196601A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN101557177A (en) * | 2008-04-08 | 2009-10-14 | 鸿富锦精密工业（深圳）有限公司 | Piezoelectric driver and lens module |
| CN101866934A (en) * | 2009-04-20 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN103946732A (en) * | 2011-09-26 | 2014-07-23 | 微软公司 | Video display modification based on sensor input for a see-through near-to-eye display |
| CN105044805A (en) * | 2015-09-15 | 2015-11-11 | 芜湖赛宝信息产业技术研究院有限公司 | Elastic film astigmatism correction liquid lens |
| CN206563849U (en) * | 2016-10-25 | 2017-10-17 | 中兴通讯股份有限公司 | A kind of virtual reality wearable device |
| CN107193135A (en) * | 2017-07-14 | 2017-09-22 | 林琳 | A kind of new adjustable degrees glasses |
| CN207833101U (en) * | 2017-12-28 | 2018-09-07 | 深圳市柔宇科技有限公司 | Diopter regulating device and electronic equipment |
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