CN103885180A - Electronic device - Google Patents
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- CN103885180A CN103885180A CN201210564160.XA CN201210564160A CN103885180A CN 103885180 A CN103885180 A CN 103885180A CN 201210564160 A CN201210564160 A CN 201210564160A CN 103885180 A CN103885180 A CN 103885180A
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Abstract
The invention discloses an electronic device, which comprises a fixing unit, a light emitting unit, a first display unit and a second display unit. The light emitting unit generates a first light collection according to a first image. When the electronic device is worn by a user, the fixing unit maintains the relative position of the electronic device and the user, and the first display unit and the second display unit are respectively located in visual areas of the first eye and the second eye of the user. The first display unit comprises a first optical assembly. The first optical assembly is arranged in a propagation area in which first light propagating along the first direction is collected so as to make a first sub light collection in the first light collection reflected to the second direction and maintain the second sub light collection in the first light collection to propagate along the first direction. The second display unit comprises a second optical assembly. The second optical assembly is arranged in a propagation area in which second sub light is collected so as to make a third sub light collection in the second sub light collection reflected to the second direction. When the electronic device is worn by the user, the first eye and the second eye are respectively located in the propagation area in which the first sub light is collected and the propagation area in which the third sub light is collected so as to see the first image.
Description
Technical field
The present invention relates to the field of electronic equipment, more specifically, the present invention relates to a kind of electronic equipment that can realize Binocular displays and lighting.
Background technology
The application of head mounted display is more and more extensive, is all widely applied to civilian from army.In the application of head mounted display, the miniaturization of head mounted display and lighting are research emphasis always.In the effort of doing for miniaturization, for example, optical waveguide technique has been obtained certain progress.Current research emphasis and how to realize Binocular displays and make whole system lighting.
Fig. 1 illustrates according to the schematic diagram of the head mounted display 100 of prior art.For convenience of explanation, in Fig. 1, only show the display unit 101,101 ' of head mounted display, wherein, described display unit 101,101 ' has adopted optical waveguide technique, display unit 101 comprises catoptron 102 and part reflective semitransparent film 103, display unit 101 ' comprises catoptron 102 ' and part reflective semitransparent film 103 ', two eyes of display unit 101,101 ' the corresponding user of difference.As shown in the figure, two image source (not shown) provide picture signal simultaneously, propagate into user's eyes, because the picture signal of image source is consistent, so can form same image in user's eyes through display unit.Particularly, O
1, O
2be the light that two image sources produce, they impinge perpendicularly on respectively display unit 101,101 ' surface, and through the catoptron 102 in display unit, 102 ' and part reflective semitransparent film 103,103 ' reflection after, vertically shine user's eyes.In Fig. 1, the light sending due to each image source only has the half light can outgoing from optical module after part reflective semitransparent film reflection, so the efficiency of light energy utilization is lower.In addition,, because left and right both sides arrange respectively an image source, so the weight of this head mounted display is larger, and manufacturing cost is higher.
For the problems referred to above, another solution has been proposed, exactly image source is placed on to the centre position of two display units, the light that image source is sent propagates into respectively on two display units, and then, through two display units, light enters people's eyes.But, because image source is arranged on centre position, so the weight ratio on user's bridge of the nose is heavier, thereby do not meet the needs of ergonomic.
Thereby, be desirable to provide and a kind ofly can realize the head mounted display that Binocular displays can be realized again lighting and meet the needs of ergonomic.
Summary of the invention
According to the embodiment of the present invention, a kind of electronic equipment is provided, described electronic equipment comprises: fixed cell, in the time that described user wears described electronic equipment, maintains described electronic equipment and described user's relative position relation; Luminescence unit, for producing the first corresponding light set according to the first image; The first display unit, in the time that described user wears described electronic equipment, described the first display unit is positioned at the viewing area of the first eyes of described user, described the first display unit comprises the first optical module, be arranged in the propagation regions of the first light set of propagating along first direction, for by the first sub-light convergence reflex of described the first light set to second direction, and the second sub-light set maintaining in described the first light set is propagated along first direction; The second display unit, in the time that described user wears described electronic equipment, described the second display unit is positioned at the viewing area of the second eyes of described user, described the second display unit comprises the second optical module, be arranged in the propagation regions of the second sub-light set of propagating along described first direction, for by the 3rd sub-light convergence reflex of described the second sub-light set to described second direction; Wherein, in the time that described user wears described electronic equipment, described the first eyes of described user are positioned at the propagation regions of the first sub-light set of propagating along described second direction, make described the first eyes can see described the first image; And described the second eyes of described user are positioned at the propagation regions of the 3rd sub-light set of propagating along described second direction, make described the second eyes can see described the first image.
In addition, according to the electronic equipment of the embodiment of the present invention, also comprise: the 3rd optical module, described the 3rd optical module is arranged in the propagation regions of the light of propagating along the third direction parallel and contrary with described second direction, if propagated along the third direction parallel and contrary with described second direction for the light of described luminescence unit transmitting, by extremely described first direction of described light reflection.
In addition, according to the electronic equipment of the embodiment of the present invention, wherein, the reflectivity of described the first optical module and the second optical module meets following condition: Y=X/ (1-X), wherein, X represents the reflectivity of the first optical module, and Y represents the reflectivity of the second optical module.
In addition, according to the electronic equipment of the embodiment of the present invention, wherein, the transmittance first predetermined condition of described the first optical module, the reflectivity second predetermined condition of described the first optical module, and the reflectivity of described the second optical module meets the 3rd predetermined condition.
In addition, according to the electronic equipment of the embodiment of the present invention, wherein, described the first predetermined condition is that transmittance Z is 40%-60%, and described the second predetermined condition is that reflectivity is 1-Z, and described the 3rd predetermined condition is 40%-100%.
According to another embodiment of the present invention, provide a kind of electronic equipment.Described electronic equipment comprises: fixed cell, in the time that described user wears described electronic equipment, maintains described electronic equipment and described user's relative position relation, luminescence unit, for producing the first corresponding light set according to the first image, the first display unit, in the time that described user wears described electronic equipment, described the first display unit is positioned at the viewing area of the first eyes of described user, described the first display unit comprises the first optical module, be arranged in the propagation regions of the first light set of propagating along first direction, for by the first sub-light convergence reflex of described the first light set to second direction, and the second sub-light set maintaining in described the first light set is propagated along first direction, the second display unit, in the time that described user wears described electronic equipment, described the second display unit is positioned at the viewing area of the second eyes of described user, described the second display unit comprises the second optical module, be arranged at keeping in the propagation regions of the 3rd sub-light set of propagating along described first direction in described the second sub-light set in described the second sub-light set after the 3rd optical module reflection, be used for the 4th sub-light convergence reflex of described the 3rd sub-light set to described second direction, wherein, described the 3rd optical module is arranged between described the first and second optical modules, wherein, in the time that described user wears described electronic equipment, described the first eyes of described user are positioned at the propagation regions of the first sub-light set of propagating along described second direction, make described the first eyes can see described the first image, and described the second eyes of described user are positioned at the propagation regions of the 4th sub-light set of propagating along described second direction, make described the second eyes can see described the first image.
In addition, according to the electronic equipment of the embodiment of the present invention, also comprise: the 4th optical module, described the 4th optical module is arranged in the propagation regions of the light of propagating along the third direction parallel and contrary with described second direction, if propagated along the third direction parallel and contrary with described second direction for the light of described luminescence unit transmitting, by extremely described first direction of described light reflection.
In addition, according to the electronic equipment of the embodiment of the present invention, wherein, described fixed cell comprises: the first stator unit, be arranged at the side of the first display unit away from the second display unit, in the time that described user wears described electronic equipment, described the first stator unit contacts with the first ear of user; The second stator unit, is arranged at the side of the second display unit away from the first display unit, and in the time that described user wears described electronic equipment, described the second stator unit contacts with the second ear of user; With the 3rd stator unit, be arranged between the first display unit and the second display unit, in the time that described user wears described electronic equipment, described the 3rd stator unit contacts with user's nose.
In addition, according to the electronic equipment of the embodiment of the present invention, wherein, described the 3rd optical module comprises first to fourth sub-optical module, described the first sub-optical module is arranged in the propagation regions of the light of propagating along described first direction, for by the light reflection of propagating along described first direction to fourth direction; Described the second sub-optical module, is arranged in the propagation regions of the light of propagating along described fourth direction, for by light reflection to the five directions of propagating along described fourth direction; Described the 3rd sub-optical module, is arranged in the propagation regions of light of propagating along described the 5th direction, for by light reflection to the six directions of propagating along described the 5th direction; And described the 4th sub-optical module, be arranged in the propagation regions of light of propagating along described the 6th direction, for by the light reflection of propagating along described the 6th direction to described first direction.
In addition, according to the electronic equipment of the embodiment of the present invention, wherein, described the first and second sub-optical modules are arranged on the side near the first display unit of described the 3rd stator unit, described the third and fourth sub-optical module is arranged on the opposite side near the second display unit of described the 3rd stator unit, the reflecting surface of described the first and second sub-optical modules is relative, described second is relative with the reflecting surface of the 3rd sub-optical module, the reflecting surface of described the third and fourth sub-optical module is relatively for walking around the 3rd sub-light set in the second sub-light set of propagating along first direction described the 3rd stator unit and reflex to described the second optical module.
In addition, according to the electronic equipment of the embodiment of the present invention, wherein, the reflectivity of described the first optical module and the second optical module meets following condition: Y=X/ (1-X), wherein, X represents the reflectivity of the first optical module, and Y represents the reflectivity of the second optical module.
According to the electronic equipment of the embodiment of the present invention, owing to adopting optical waveguide technique and only in a side, image source being set, so can either realize according to the electronic equipment of the embodiment of the present invention needs that Binocular displays can be realized again lighting and meet ergonomic.
It being understood that general description above and detailed description are below both exemplary, and the further illustrating of the intention technology that is to provide claimed.
Accompanying drawing explanation
Fig. 1 is that diagram is according to the schematic diagram of the head mounted display 100 of prior art;
Fig. 2 illustrates the schematic diagram of head mounted display 200 according to an embodiment of the invention; And
Fig. 3 illustrates the schematic diagram of head mounted display 300 according to another embodiment of the present invention.
Embodiment
Below, describe the preferred embodiments of the present invention in detail with reference to accompanying drawing.
Fig. 2 illustrates the schematic diagram of head mounted display 200 according to an embodiment of the invention.
For convenience of description, in Fig. 2, only show the display unit 201 of head mounted display 200, 201 ', in addition, head mounted display 200 also comprises luminescence unit and fixed cell (not shown), wherein luminescence unit is arranged on a side of electronic equipment 200, in Fig. 1, suppose and be arranged on display unit 201 1 sides, for producing corresponding light set O according to a picture signal P, described light set O incides in display unit 201 by a plane of display unit 201, and along a direction (hereinafter, for convenience of explanation, this direction is called to " first direction ") propagate.For example, described picture signal P can be by head mounted display 200 configuration video input interface from external unit (for example, multimedia equipments such as PC, smart mobile phone, panel computer, game machine) picture signal that receives can be also the picture signal that produces of video file by playing storage in this head mounted display 200.But, above-mentioned is only that the present invention is described by way of example, the invention is not restricted to aforesaid way, in embodiments of the present invention, can also produce light according to the picture signal providing by other means, for example, can be by network interface from the Internet, cellular network (such as 2G network, 3G network, 4G network), wireless lan (wlan) etc. receive picture signal.Fixed cell is for maintaining relative position relation between this head mounted display 200 and this user in the time that user wears head mounted display 200, and in addition, described display unit 201,201 ' has adopted optical waveguide technique.
Display unit 201,201 ' the corresponding user's of difference the first eyes and the second eyes, that is to say, in the time that user wears head mounted display 200, display unit 201 is positioned at the viewing area of the first eyes of this user, and display unit 201 ' is positioned at the viewing area of the second eyes of this user.Display unit 201 comprises optical module 203, is arranged in the propagation regions of the light set O propagating along first direction, and this optical module 203 has reflection and transmission function, and it is by the sub-light set O in the light set O propagating along first direction
1reflex to second direction (the sub-light set O wherein propagating along second direction
1from display unit 201 and relative with the first eyes of user in the time that user wears head mounted display 200 plane (hereinafter referred to " the first plane ") outgoing), and maintain the sub-light set O in light set O
2continue to propagate (being also that optical module 203 is passed through in transmission) along first direction, wherein, in the time that user wears head mounted display 200, the first eyes of described user are positioned at the sub-light set O propagating along second direction
1propagation regions in, thereby the first eyes of user can be seen image P.Display unit 201 ' comprises optical module 203 ', is arranged at the sub-light set O propagating along first direction
2propagation regions in, this optical module 203 ' has reflection potential, for by sub-light set O
2in sub-light set O
3reflex to described second direction (the sub-light set O wherein propagating along second direction
3from display unit 201 and relative with the second eyes of user in the time that user wears head mounted display 200 plane (hereinafter referred to " the second plane ") outgoing), wherein, in the time that user wears head mounted display 200, the second eyes of user are positioned at the sub-light set O propagating along second direction
3propagation regions in, thereby the second eyes of user also can be seen image P.
In addition, optical module 203 ' also can have transmission capacity.
In addition,, for the light intensity that user's eyes are received is identical, can make the reflectivity X of optical module 203 and the reflectivity of optical module 203 ' meet following condition: Y=X/ (1-X).
In addition, the transmittance of optical module 203 and reflectivity be first predetermined condition and the second predetermined condition respectively, and the reflectivity of optical module 203 ' meets the 3rd predetermined condition.Wherein, optical module 203 and 203 ' reflectivity are not less than 40%.For example, the first predetermined condition is that transmittance Z is 40%-60%, and the second predetermined condition is that reflectivity is 1-Z, and the 3rd predetermined condition is 40%-100%.
In addition, if the light of described luminescence unit transmitting is propagated along the third direction parallel and contrary with second direction, head mounted display 200 can also comprise an optical module, this optical module is arranged in the propagation regions of the light of propagating along the third direction parallel and contrary with second direction, for by the described light reflection of propagating along third direction to described first direction so that described light can propagate into optical module 203.
As mentioned above, according in the head mounted display of the embodiment of the present invention, display unit adopts optical waveguide technique, and luminescence unit is arranged on to a side of head mounted display, therefore, not only can realize Binocular displays according to the head mounted display of the embodiment of the present invention, and owing to only adopting a luminescence unit, thereby can realize lighting and reduce manufacturing cost.
Fig. 3 illustrates the schematic diagram of head mounted display 300 according to another embodiment of the present invention.
Referring to Fig. 3, head mounted display 300 comprises display unit 301,301 ', and it is configured to have and the similar structure of glasses, and wherein display unit 301,301 ' comprises respectively optical module 303,303 '.In the head mounted display 300 having with the similar structure of glasses, fixed cell comprises three stator unit, be similar to the first stator unit and the second stator unit of leg of spectacles shape and be similar to the 3rd stator unit of nose support shape, wherein, the first stator unit can be arranged at the side of display unit 301 away from display unit 301 ' perpendicular to the first plane of display unit 301, in the time that user wears head mounted display 300, contacts with the first ear of this user.The second stator unit can be arranged at the side of display unit 301 ' away from display unit 301 perpendicular to the second plane of display unit 301 ', in the time that user wears head mounted display 300, contacts with the second ear of this user.The 3rd stator unit is arranged between display unit 301 and display unit 301 ', in the time that user wears head mounted display 300, contacts with user's nose.Herein, suppose that the first eyes and the first ear are positioned at the same side, and the second eyes and the second ear are positioned at opposite side.
In the head mounted display 300 shown in Fig. 3, in order to make the light coming by optical module 303 transmissions walk around fixed cell (i.e. the 3rd sub-fixed cell), an optical module 304 being made up of sub-optical module 304-1,304-2,304-3 and 304-4 is also set between display unit 301 and 301 '.Except arranging between display unit 301 and 301 ' optical module 304, the structure of head mounted display 300 of Fig. 3 is identical with the structure of the head mounted display of Fig. 2 200.Therefore,, for fear of unnecessary repetition,, except being elaborated, optical module 304 will no longer describe other assemblies at this.
Referring to Fig. 3, sub-optical module 304-1 and 304-2 are arranged on a side of the close display unit 301 of the 3rd stator unit, sub-optical module 304-3 and 304-4 are arranged on the opposite side of the close display unit 301 ' of the 3rd stator unit, the reflecting surface of sub-optical module 304-1 and 304-2 is relative, the reflecting surface of sub-optical module 304-2 and 304-3 is relative, and the reflecting surface of sub-optical module 304-3 and 304-4 is relative so that by the second sub-light set O propagating along first direction
2in the 3rd sub-light set O
24set is walked around the 3rd stator unit and is reflexed to optical module 303 '.Particularly, sub-optical module 304-1 is arranged at the light O propagating along described first direction
2propagation regions in, for by the light O propagating along described first direction
2reflex to fourth direction; Sub-optical module 304-2, is arranged at the light O propagating along described fourth direction
21propagation regions in, for by the light O propagating along described fourth direction
21reflex to the 5th direction; Sub-optical module 304-3, is arranged at the light O propagating along described the 5th direction
22propagation regions in, for by along described the 5th direction propagate light O
22reflex to the 6th direction; And sub-optical module 304-4, be arranged at the light O propagating along described the 6th direction
23propagation regions in, for by along described the 6th direction propagate light O
23reflex to first direction.
As mentioned above, in order to allow user feel more comfortable in the time wearing head mounted display, be configured to the structure corresponding with the structure of people's nose according to the fixed cell of the head mounted display of the embodiment of the present invention (i.e. the 3rd sub-fixed cell between two display units), and stop from the light transmition of a display unit transmission to another display unit for fear of fixed cell, between two display units, an optical module is additionally being set so that the light coming from a display unit transmission is walked around two fixed cells between display unit, therefore, not only can realize Binocular displays according to the head mounted display of the embodiment of the present invention, and meet the needs of ergonomic, in addition, owing to adopting a luminescence unit, so can reduce manufacturing cost and realize lighting according to the head mounted display of the embodiment of the present invention.
It should be noted that, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above the present invention is described in detail, has applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (11)
1. an electronic equipment, comprising:
Fixed cell, in the time that described user wears described electronic equipment, maintains described electronic equipment and described user's relative position relation;
Luminescence unit, for producing the first corresponding light set according to the first image;
The first display unit, in the time that described user wears described electronic equipment, described the first display unit is positioned at the viewing area of the first eyes of described user, described the first display unit comprises the first optical module, be arranged in the propagation regions of the first light set of propagating along first direction, for by the first sub-light convergence reflex of described the first light set to second direction, and the second sub-light set maintaining in described the first light set is propagated along first direction;
The second display unit, in the time that described user wears described electronic equipment, described the second display unit is positioned at the viewing area of the second eyes of described user, described the second display unit comprises the second optical module, be arranged in the propagation regions of the second sub-light set of propagating along described first direction, for by the 3rd sub-light convergence reflex of described the second sub-light set to described second direction;
Wherein, in the time that described user wears described electronic equipment, described the first eyes of described user are positioned at the propagation regions of the first sub-light set of propagating along described second direction, make described the first eyes can see described the first image; And described the second eyes of described user are positioned at the propagation regions of the 3rd sub-light set of propagating along described second direction, make described the second eyes can see described the first image.
2. electronic equipment as claimed in claim 1, also comprises:
The 3rd optical module, described the 3rd optical module is arranged in the propagation regions of the light of propagating along the third direction parallel and contrary with described second direction, if propagated along the third direction parallel and contrary with described second direction for the light of described luminescence unit transmitting, by extremely described first direction of described light reflection.
3. electronic equipment as claimed in claim 1, wherein, the reflectivity of described the first optical module and the second optical module meets following condition: Y=X/ (1-X),
Wherein, X represents the reflectivity of the first optical module, and Y represents the reflectivity of the second optical module.
4. electronic equipment as claimed in claim 1, wherein, the transmittance first predetermined condition of described the first optical module, the reflectivity second predetermined condition of described the first optical module, and the reflectivity of described the second optical module meets the 3rd predetermined condition.
5. electronic equipment as claimed in claim 4, wherein, described the first predetermined condition is that transmittance Z is 40%-60%, and described the second predetermined condition is that reflectivity is 1-Z, and described the 3rd predetermined condition is 40%-100%.
6. an electronic equipment, comprising:
Fixed cell, in the time that described user wears described electronic equipment, maintains described electronic equipment and described user's relative position relation;
Luminescence unit, for producing the first corresponding light set according to the first image;
The first display unit, in the time that described user wears described electronic equipment, described the first display unit is positioned at the viewing area of the first eyes of described user, described the first display unit comprises the first optical module, be arranged in the propagation regions of the first light set of propagating along first direction, for by the first sub-light convergence reflex of described the first light set to second direction, and the second sub-light set maintaining in described the first light set is propagated along first direction;
The second display unit, in the time that described user wears described electronic equipment, described the second display unit is positioned at the viewing area of the second eyes of described user, described the second display unit comprises the second optical module, be arranged at keeping in the propagation regions of the 3rd sub-light set of propagating along described first direction in described the second sub-light set in described the second sub-light set after the 3rd optical module reflection, be used for the 4th sub-light convergence reflex of described the 3rd sub-light set to described second direction, wherein, described the 3rd optical module is arranged between described the first and second optical modules,
Wherein, in the time that described user wears described electronic equipment, described the first eyes of described user are positioned at the propagation regions of the first sub-light set of propagating along described second direction, make described the first eyes can see described the first image; And described the second eyes of described user are positioned at the propagation regions of the 4th sub-light set of propagating along described second direction, make described the second eyes can see described the first image.
7. electronic equipment as claimed in claim 6, also comprises:
The 4th optical module, described the 4th optical module is arranged in the propagation regions of the light of propagating along the third direction parallel and contrary with described second direction, if propagated along the third direction parallel and contrary with described second direction for the light of described luminescence unit transmitting, by extremely described first direction of described light reflection.
8. electronic equipment as claimed in claim 6, wherein, described fixed cell comprises:
The first stator unit, is arranged at the side of the first display unit away from the second display unit, and in the time that described user wears described electronic equipment, described the first stator unit contacts with the first ear of user;
The second stator unit, is arranged at the side of the second display unit away from the first display unit, and in the time that described user wears described electronic equipment, described the second stator unit contacts with the second ear of user; With
The 3rd stator unit, is arranged between the first display unit and the second display unit, and in the time that described user wears described electronic equipment, described the 3rd stator unit contacts with user's nose.
9. electronic equipment as claimed in claim 8, wherein, described the 3rd optical module comprises first to fourth sub-optical module, described the first sub-optical module is arranged in the propagation regions of the light of propagating along described first direction, for by the light reflection of propagating along described first direction to fourth direction; Described the second sub-optical module, is arranged in the propagation regions of the light of propagating along described fourth direction, for by light reflection to the five directions of propagating along described fourth direction; Described the 3rd sub-optical module, is arranged in the propagation regions of light of propagating along described the 5th direction, for by light reflection to the six directions of propagating along described the 5th direction; And described the 4th sub-optical module, be arranged in the propagation regions of light of propagating along described the 6th direction, for by the light reflection of propagating along described the 6th direction to described first direction.
10. electronic equipment as claimed in claim 9, wherein, described the first and second sub-optical modules are arranged on the side near the first display unit of described the 3rd stator unit, described the third and fourth sub-optical module is arranged on the opposite side near the second display unit of described the 3rd stator unit, the reflecting surface of described the first and second sub-optical modules is relative, described second is relative with the reflecting surface of the 3rd sub-optical module, the reflecting surface of described the third and fourth sub-optical module is relatively for walking around the 3rd sub-light set in the second sub-light set of propagating along first direction described the 3rd stator unit and reflex to described the second optical module.
11. electronic equipments as claimed in claim 6, wherein, the reflectivity of described the first optical module and the second optical module meets following condition: Y=X/ (1-X),
Wherein, X represents the reflectivity of the first optical module, and Y represents the reflectivity of the second optical module.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107223327A (en) * | 2015-02-27 | 2017-09-29 | 三星电子株式会社 | Using the electronic equipment of the transmission based on rank to configuration information |
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| CN103885180B (en) | 2016-10-05 |
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