CN103207460B - A kind of 3D glasses and preparation method thereof - Google Patents
A kind of 3D glasses and preparation method thereof Download PDFInfo
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- CN103207460B CN103207460B CN201310125118.2A CN201310125118A CN103207460B CN 103207460 B CN103207460 B CN 103207460B CN 201310125118 A CN201310125118 A CN 201310125118A CN 103207460 B CN103207460 B CN 103207460B
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Abstract
The invention provides a kind of 3D glasses and preparation method thereof, described 3D glasses comprise eyeglass holder, two LCD eyeglasses, battery, main PCB plate, connecting PCB board and first, second FPC plate be embedded into by injection molding technology in described eyeglass holder; Connect described two LCD eyeglasses in the bridge of the nose position that described connecting PCB board is arranged on described eyeglass holder; Described battery and main PCB plate are separately positioned in two free ends of described eyeglass holder, and are connected to described connecting PCB board respectively by first, second FPC plate described, and described connecting PCB board is provided with electrostatic defending module.The connecting PCB board of the 3D glasses that the present invention makes and first, second FPC plate lighter in weight, be easy to processing and assembling, and interconnective good electric property, avoid the difficulty of wire bonds and assembling, and the constriction dramatically reduced to the bridge of the nose when wearing, connecting PCB board places electrostatic defending module simultaneously, path nearby can be provided to electrostatic, solve and damage LCD eyeglass problem because importing electrostatic.
Description
Technical field
The present invention relates to 3D optometric technology field, particularly relate to a kind of 3D glasses and preparation method thereof.
Background technology
Traditional 3D glasses are all set in the bridge of the nose position of eyeglass holder front end by the pcb board at control circuit place and battery, this structure is relatively simple, but because the bridge of the nose bears larger pressure all the time in wearing spectacles process, so can be easy to cause bridge of the nose sense of fatigue.Simultaneously, pcb board is arranged in 3D nosepiece position, needs to be electrically connected by some elements such as gauge tap and function button in connecting line and battery and temple, and eyeglass holder narrow space, therefore this Standard is comparatively difficult, and electrical connection performance is unstable.In addition, part 3D glasses are also had pcb board and battery to be put into two free ends of eyeglass holder, although this structure effectively alleviates the bearing pressure of wearer's bridge of the nose, but still there is following shortcoming: (1) is directly connected with pad by wire with between battery and each LCD eyeglass due to pcb board, assembling difficulty, is not easy to realize; (2) LCD eyeglass and pcb board are apart from too far away, cannot the damage that causes LCD eyeglass because of electrostatic of available protecting.
Therefore, need a kind of 3D glasses and preparation method thereof, to avoid above-mentioned defect.
Summary of the invention
The present invention one object is to provide a kind of 3D glasses, can solve 3D lens wear time to the problem that the constriction of the bridge of the nose is strong while effectively reduce assembly difficulty and prevent electrostatic from causing the problem of damage to LCD eyeglass.
Another object of the present invention is to provide a kind of 3D manufacturing glasses method, can solve existing 3D glasses assembling difficulty, the problem being electrically connected performance instability and electrostatic and cause the problem of damage to LCD eyeglass.
For solving the problem, the invention provides a kind of 3D glasses, comprising eyeglass holder, two LCD eyeglasses, battery, main PCB plate, connecting PCB board and first, second FPC plate be embedded into by injection molding technology in described eyeglass holder; Connect described two LCD eyeglasses in the bridge of the nose position that described connecting PCB board is arranged on described eyeglass holder; Described battery and main PCB plate are separately positioned in two free ends of described eyeglass holder, and are connected to described connecting PCB board respectively by first, second FPC plate described, and described connecting PCB board is provided with electrostatic defending module.
Further, a described FPC plate built-in at least two paths of signals line, described two paths of signals line is respectively power positive cathode signal wire; The built-in at least six road signal wires of described 2nd FPC plate, described six road signal wires be respectively for main PCB plate system power supply power positive cathode signal wire and control two control signal wires of each LCD eyeglass.
Further, a described FPC plate and/or the 2nd FPC plate are provided with the key zone of button paster and/or the indicator lamp regions of LED light paster.
Further, described eyeglass holder is also provided with the charging inlet being connected to a described FPC plate or the 2nd FPC plate.
Further, described charging inlet is USB interface or metal clips interface.
Further, described eyeglass holder is also provided with the temperature sensor being connected to a described FPC plate or the 2nd FPC plate and/or humidity sensor.
Further, described connecting PCB board is also provided with the microcontroller controlling described temperature sensor, humidity sensor, LED light.
Further, described main PCB plate comprises crystal oscillator, nonvolatile memory, the LDO linear regulator of master controller and connection thereof.
Further, described connecting PCB board or main PCB plate also comprise at least one in radio-frequency module, interface circuit, key-press module and the LED indicating module communicated with described master controller.
The present invention also provides a kind of method for making of one of above-mentioned 3D glasses, comprising:
Make main PCB plate, connecting PCB board and first, second FPC plate, described connecting PCB board is provided with electrostatic defending module;
Make eyeglass holder, by injection molding technology, first, second FPC plate is embedded in described eyeglass holder;
Battery and main PCB plate are placed in two free ends of described eyeglass holder respectively, and are connected with first, second FPC plate respectively;
Two LCD eyeglasses are installed on described eyeglass holder, described connecting PCB board are placed in the bridge of the nose position of described eyeglass holder;
First, second FPC plate described and two LCD eyeglasses are connected to described connecting PCB board respectively.
Compared with prior art, 3D glasses provided by the invention, comprise eyeglass holder, two LCD eyeglasses, battery, main PCB plate, connecting PCB board and first, second FPC plate be embedded into by injection molding technology in described eyeglass holder; Connect described two LCD eyeglasses in the bridge of the nose position that described connecting PCB board is arranged on described eyeglass holder; Described battery and main PCB plate are separately positioned in two free ends of described eyeglass holder, and are connected to described connecting PCB board respectively by first, second FPC plate described, and described connecting PCB board is provided with electrostatic defending module.In 3D glasses of the present invention and preparation method thereof, connecting PCB board and first, second FPC plate lighter in weight, be easy to processing and assembling, and interconnective good electric property, avoid the difficulty of wire bonds and assembling, and dramatically reduce the constriction to the bridge of the nose when wearing, connecting PCB board places electrostatic defending module simultaneously, path nearby can be provided to electrostatic, solve and damage LCD eyeglass problem because importing electrostatic; Further, by regulating the live width of first, second FPC plate can take less space, the conduction impedance of adjustment FPC, thus reduce the impact on charging; In addition, directly can form button, pilot lamp etc. based on a FPC plate or the 2nd FPC plate, save assembly space, reduce assembly difficulty.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the 3D glasses of the specific embodiment of the invention;
Fig. 2 is the electrical block diagram of the main PCB plate of the 3D glasses of the specific embodiment of the invention;
Fig. 3 is the 3D manufacturing glasses method flow diagram of the specific embodiment of the invention.
Embodiment
Core concept of the present invention is open a kind of 3D glasses and preparation method thereof, and described 3D glasses comprise eyeglass holder, two LCD eyeglasses, battery, main PCB plate, connecting PCB board and first, second FPC plate be embedded into by injection molding technology in described eyeglass holder; Connect described two LCD eyeglasses in the bridge of the nose position that described connecting PCB board is arranged on described eyeglass holder; Described battery and main PCB plate are separately positioned in two free ends of described eyeglass holder, and are connected to described connecting PCB board respectively by first, second FPC plate described, and described connecting PCB board is provided with electrostatic defending module.The method for making of described 3D glasses comprises: make main PCB plate, connecting PCB board and first, second FPC plate, described connecting PCB board is provided with electrostatic defending module; Make eyeglass holder, by injection molding technology, first, second FPC plate is embedded in described eyeglass holder; Battery and main PCB plate are placed in two free ends of described eyeglass holder respectively, and are connected with first, second FPC plate respectively; Two LCD eyeglasses are installed on described eyeglass holder, described connecting PCB board are placed in the bridge of the nose position of described eyeglass holder; First, second FPC plate described and two LCD eyeglasses are connected to described connecting PCB board respectively.In 3D glasses of the present invention and preparation method thereof, connecting PCB board and first, second FPC plate lighter in weight, be easy to processing and assembling, and interconnective good electric property, avoid the difficulty of wire bonds and assembling, and dramatically reduce the constriction to the bridge of the nose when wearing, connecting PCB board places electrostatic defending module simultaneously, path nearby can be provided to electrostatic, solve and damage LCD eyeglass problem because importing electrostatic; Further, by regulating the live width of first, second FPC plate can take less space, the conduction impedance of adjustment FPC, thus reduce the impact on charging; In addition, directly can form button, pilot lamp etc. based on a FPC plate or the 2nd FPC plate, save assembly space, reduce assembly difficulty.
For making object of the present invention, feature becomes apparent, and be further described, but the present invention can realize by different forms, should not think and just be confined to described embodiment below in conjunction with accompanying drawing to the specific embodiment of the present invention.
Please refer to Fig. 1, the invention provides a kind of 3D glasses, comprise eyeglass holder (not shown), two LCD eyeglasses 1, battery 2, main PCB plate 3, connecting PCB board 4 and be embedded into a FPC plate 5 in described eyeglass holder and the 2nd FPC plate 6 by injection molding technology.
In the present embodiment, connect described two LCD eyeglasses 1 in the bridge of the nose position that described connecting PCB board 4 is arranged on described eyeglass holder front end, described battery 2 and main PCB plate 3 are separately positioned in two free ends of described eyeglass holder, described two free ends are not limited to two temple ends, also can be the segment structure of each temple end to eyeglass holder front end (being commonly called as " picture frame ").Battery 2 is comparatively large with the weight of main PCB plate 3, and the weight of connecting PCB board 4 is generally low than the weight of main PCB plate simultaneously, and obvious this structure greatly can alleviate the constriction to the bridge of the nose when wearing.
In the present embodiment, a described FPC plate 5 built-in at least two paths of signals line, two paths of signals line is respectively power positive cathode signal wire, for connecting battery 2 and connecting PCB board 4, the built-in at least six road signal wires of 2nd FPC plate 6, six road signal wires be respectively for main PCB plate 3 system power supply power positive cathode signal wire and control two control signal wires of each LCD eyeglass, for connecting main PCB plate 3 and connecting PCB board 4, connecting PCB board 4, a FPC plate 5 and the 2nd FPC plate 6 achieve the electrical connection of two LCD eyeglasses 1, battery 2 and main PCB plate 3.Wherein, one FPC plate 5 and the 2nd FPC plate 6 have resistance to pulling force, anti-impact force and resistant to elevated temperatures feature, be embedded in the temple of eyeglass holder by injection molding technology, compared with general connection wire, there is certain hardness, and compared with many wires, take up room little, be easier to processing, be easy to carry out welding and assembling with the main PCB plate 3 of temple free end and the connecting PCB board at bridge of the nose place simultaneously, and interconnective good electric property, avoid the difficulty of wire bonds and assembling.
Because battery 2 is rechargeable battery, the efficiency of thus charging to battery 2 is also one of reference factor weighing 3D glasses quality, owing to have employed a FPC plate 5 and the 2nd FPC plate 6 substitutes wire of the prior art in the present embodiment, thus can by the conduction impedance regulating the live width of first, second FPC plate to adjust FPC, thus the impact reduced battery charging, improve charge efficiency.
In the present embodiment, described connecting PCB board 4 is provided with electrostatic defending module 40, there is provided path nearby can to the static discharge current produced between battery and main PCB plate, directly it is discharged into outside eyeglass holder by connecting PCB board 4, avoids static discharge current to flow through LCD eyeglass and impact the problem that LCD eyeglass makes it damage.Described electrostatic defending module 40 can be electrostatic defending electron device, and also can be the electrostatic defending circuit is connected with the metalwork such as the screw of eyeglass holder that connecting PCB board 4 is laid, can also be the most advanced and sophisticated thing according to the setting of point discharge principle.
In the present embodiment, a described FPC plate 5 is provided with key zone, for paster and the conducting of button 8,2nd FPC plate 6 is provided with indicator lamp regions, for the paster of LED light 10 and conducting to form pilot lamp, thus avoid the independent line of button and LED light, saved assembly space, simplify button 8 and LED light 10 assembly process.Further, described eyeglass holder is also provided with the charging inlet (not shown) conducted with a described FPC plate or the 2nd FPC plate, described charging inlet is USB interface or metal clips interface.
In the present embodiment, the humidity sensor 51 being connected to a described FPC plate 5 and the temperature sensor 61 being connected the 2nd FPC plate 6 is also provided with inside the temple of described eyeglass holder, for detecting humidity and temperature inside temple when 3D glasses use (humidity and temperature at human body laminating temple place) respectively, prompting or warning is sent if desired to user, too high or the humidity of such as temperature is too high all to be reflected user and uses this 3D glasses time too of a specified duration continuously, excess eye-using, and the data of temperature sensor and humidity sensor Real-Time Monitoring can be sent to main PCB plate master controller on process, when temperature is too high or humidity is too high, main controller controls warning element carries out light flash or audible alarm etc. to send rest reminding to user.
Please refer to Fig. 1 and Fig. 2, in the present embodiment, described main PCB plate 3 contains the control section of 3D glasses, comprises master controller 30, LDO linear regulator 31, power management module 32, crystal oscillator 33, radio-frequency module (forming primarily of bandpass filter 34 and 2.4GHz antenna 35), key-press module 36, LED indicating module 37, interface circuit 38 and nonvolatile memory 39.Wherein, master controller 30 is control sections of whole 3D glasses system, is responsible for the work of coherent system each several part; Radio-frequency module is responsible for the synchronizing signal receiving 3D TV etc.; Crystal oscillator 33 provides clock signal for system cloud gray model; Key-press module 36 is mainly used to realize man-machine interaction, can pick up and process the signal of button 8 to the action of control 3D glasses; LED indicating module 37 is used for driving and control the duty that LED light 10 indicates 3D glasses; Nonvolatile memory 39 is used for depositing the relevant configuration information of control system; LDO linear regulator 31 provides the burning voltage needed for normal work for system components; Power management module 32 is responsible for the Charge Management of battery, comprises charge management module; Interface circuit 38 realizes main PCB plate 3 and to be connected with the circuit of the 2nd FPC plate 6 and main PCB plate 3 is connected with the circuit of connecting PCB board 4, thus achieves the power supply of whole system and the control of LCD eyeglass action.
In the present embodiment, master controller 30 is different from the required voltage of described LCD eyeglass 1, and the voltage that namely battery 2 provides can not work by Direct driver LCD eyeglass 1.Therefore in the present embodiment, power management module also comprises boost module and analog switch, wherein, boost module can be DC/DC voltage conversion chip, can under the order of master controller 30 by the voltage transitions that battery 2 exports be to export to analog switch after the voltage that LCD eyeglass 1 can be driven to work; The voltage that described analog switch provides for the control signal and boost module receiving master controller 30 transmission, control two LCD eyeglasses according to described control signal alternately to change in open state and closing between state, namely the left eyeglass lens of LCD eyeglass 1 and right eye eyeglass realize shutoff alternately under the control of analog switch, left eye sees left-eye images by left eyeglass lens, right eye sees right-eye image by right eye eyeglass, thus synthesizes in the brain of people and present three-dimensional image.
In other embodiments of the invention, described main PCB plate also comprises function sensor, may be used for the state of control 3D glasses, this kind of function sensor of G-Sensor such as can be used to wake 3D glasses up, make it enter duty etc. by dormant state.
In other embodiments of the invention, the control system of described 3D glasses can share last point of connecting PCB board, can also alleviate the burden of main PCB plate thus while alleviating nose constriction in the process of wearing, improving the utilization factor of 3D glasses assembly space further.Such as, connecting PCB board arranges microcontroller, to bear information processing and the control of button, LED light and the device such as humidity sensor and temperature sensor.
In other embodiments of the invention, part peripheral device on main PCB plate and circuit (such as radio-frequency module, interface circuit, key-press module and LED indicating module) can be transferred on connecting PCB board, and by the main controller controls on main PCB plate, to realize the rational deployment of 3D glasses circuit, reduce circuit and signal disturbing.
In sum, 3D glasses provided by the invention, comprise eyeglass holder, two LCD eyeglasses, battery, main PCB plate, connecting PCB board and first, second FPC plate be embedded into by injection molding technology in described eyeglass holder; Connect described two LCD eyeglasses in the bridge of the nose position that described connecting PCB board is arranged on described eyeglass holder; Described battery and main PCB plate are separately positioned in two free ends of described eyeglass holder, and are connected to described connecting PCB board respectively by first, second FPC plate described, and described connecting PCB board is provided with electrostatic defending module.Connecting PCB board and first, second FPC plate lighter in weight, be easy to processing and assembling, and interconnective good electric property, avoid the difficulty of wire bonds and assembling, and the constriction dramatically reduced to the bridge of the nose when wearing, connecting PCB board places electrostatic defending module simultaneously, path nearby can be provided to electrostatic, solve and damage LCD eyeglass problem because importing electrostatic; Further, by regulating the live width of first, second FPC plate can take less space, the conduction impedance of adjustment FPC, thus reduce the impact on charging; In addition, directly can form button, pilot lamp etc. based on a FPC plate or the 2nd FPC plate, save assembly space, reduce assembly difficulty.
Please refer to Fig. 3, the present invention also provides a kind of method for making of one of above-mentioned 3D glasses, comprises the following steps:
S1, make main PCB plate, connecting PCB board and first, second FPC plate, described connecting PCB board is provided with electrostatic defending module;
S2, makes eyeglass holder, is embedded in described eyeglass holder by injection molding technology by first, second FPC plate;
S3, is placed in two free ends of described eyeglass holder respectively by battery and main PCB plate, and is connected with first, second FPC plate respectively;
Two LCD eyeglasses are installed on described eyeglass holder by S4, are placed in by described connecting PCB board in the bridge of the nose position of described eyeglass holder;
S5, is connected to described connecting PCB board respectively by first, second FPC plate described and two LCD eyeglasses.
Wherein, the process conditions of injection molding technology described in step S2 can according to eyeglass holder and first, the performance of the 2nd FPC plate and determining, described eyeglass holder comprises temple and picture frame, picture frame is used for fixing two LCD eyeglasses, can primarily of fore shell and back cover composition, temple can with fore shell or back cover one-body molded, also can be separate with picture frame, connecting PCB board is placed in the inside, bridge of the nose position (parts folded by two LCD eyeglass centres) place of picture frame, first, 2nd FPC plate is embedded in temple by injection molding technology, main PCB plate also can be embedded into the free end of temple by injection molding technology.Battery can be rechargeable battery, also can be the common batteries that can change.
The order of above-mentioned steps S1 to S5, does not limit, and in the rational situation of operation, can suitably exchange, such as S3 and S4 exchanges, and also can realize object of the present invention.
In sum, 3D manufacturing glasses method provided by the invention, make two LCD eyeglasses, main PCB plate, be provided with connecting PCB board and first, second FPC plate of electrostatic defending module, and by injection molding technology, first, second FPC plate is embedded in described eyeglass holder, connect described two LCD eyeglasses in the bridge of the nose position described connecting PCB board being arranged on described eyeglass holder; Described battery and main PCB plate are separately positioned in two free ends of described eyeglass holder, and are connected to described connecting PCB board respectively by first, second FPC plate described.Described connecting PCB board and first, second FPC plate lighter in weight, be easy to processing and assembling, and interconnective good electric property, avoid the difficulty of wire bonds and assembling, and the constriction dramatically reduced to the bridge of the nose when wearing, connecting PCB board places electrostatic defending module simultaneously, path nearby can be provided to electrostatic, solve and damage LCD eyeglass problem because importing electrostatic; Further, by regulating the live width of first, second FPC plate can take less space, the conduction impedance of adjustment FPC, thus reduce the impact on rechargeable battery charging; In addition, directly can form button, pilot lamp etc. based on a FPC plate or the 2nd FPC plate, save assembly space, reduce assembly difficulty.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. 3D glasses, is characterized in that: comprise eyeglass holder, two LCD eyeglasses, battery, main PCB plate, connecting PCB board and the FPC plate, the 2nd FPC plate that are embedded into by injection molding technology in described eyeglass holder; Connect described two LCD eyeglasses in the bridge of the nose position that described connecting PCB board is arranged on described eyeglass holder; Described battery and main PCB plate are separately positioned in two free ends of described eyeglass holder, and be connected to described connecting PCB board respectively by a described FPC plate, the 2nd FPC plate, described connecting PCB board is provided with electrostatic defending module, described electrostatic defending module provides path nearby to the electrostatic near described LCD eyeglass, and a described FPC plate and/or the 2nd FPC plate are provided with the key zone of button paster and/or the indicator lamp regions of LED light paster.
2. 3D glasses as claimed in claim 1, it is characterized in that, a described FPC plate built-in at least two paths of signals line, described two paths of signals line is respectively power positive cathode signal wire; The built-in at least six road signal wires of described 2nd FPC plate, described six road signal wires be respectively for main PCB plate system power supply power positive cathode signal wire and control two control signal wires of each LCD eyeglass.
3. 3D glasses as claimed in claim 1, is characterized in that, described eyeglass holder is also provided with the charging inlet being connected to a described FPC plate or the 2nd FPC plate.
4. 3D glasses as claimed in claim 3, it is characterized in that, described charging inlet is USB interface or metal clips interface.
5. 3D glasses as claimed in claim 1, is characterized in that, described eyeglass holder is also provided with the temperature sensor and/or humidity sensor that are connected to a described FPC plate or the 2nd FPC plate.
6. 3D glasses as claimed in claim 5, is characterized in that, described connecting PCB board are also provided with the microcontroller controlling described temperature sensor, humidity sensor, LED light.
7. 3D glasses as claimed in claim 1, it is characterized in that, described main PCB plate comprises crystal oscillator, nonvolatile memory, the LDO linear regulator of master controller and connection thereof.
8. 3D glasses as claimed in claim 7, it is characterized in that, described connecting PCB board or main PCB plate also comprise at least one in radio-frequency module, interface circuit, key-press module and the LED indicating module communicated with described master controller.
9. a method for making for the 3D glasses according to any one of claim 1 to 8, is characterized in that, comprising:
Make main PCB plate, connecting PCB board and a FPC plate, the 2nd FPC plate, described connecting PCB board is provided with electrostatic defending module, and described electrostatic defending module provides path nearby to the electrostatic near described LCD eyeglass;
Make eyeglass holder, by injection molding technology, the one FPC plate, the 2nd FPC plate are embedded in described eyeglass holder, the indicator lamp regions of the key zone of button paster and/or LED light paster is placed on a FPC plate and/or the 2nd FPC plate;
Battery and main PCB plate are placed in two free ends of described eyeglass holder respectively, and are connected with a FPC plate, the 2nd FPC plate respectively;
Two LCD eyeglasses are installed on described eyeglass holder, described connecting PCB board are placed in the bridge of the nose position of described eyeglass holder;
A described FPC plate, the 2nd FPC plate and two LCD eyeglasses are connected to described connecting PCB board respectively.
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| CN201310125118.2A CN103207460B (en) | 2013-04-11 | 2013-04-11 | A kind of 3D glasses and preparation method thereof |
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| CN201310125118.2A CN103207460B (en) | 2013-04-11 | 2013-04-11 | A kind of 3D glasses and preparation method thereof |
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| CN103207460B true CN103207460B (en) | 2015-09-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103481439B (en) * | 2013-09-02 | 2017-02-08 | 深圳Tcl新技术有限公司 | Forming method of 3D (three-dimensional) glasses plastic part embedded with FPC (Flexible Printed Circuit) |
| WO2017120765A1 (en) * | 2016-01-12 | 2017-07-20 | 深圳多哚新技术有限责任公司 | Structure for enhancing heat dissipation of vr glasses and vr glasses |
| CN110764264B (en) * | 2019-11-07 | 2022-02-15 | 中勍科技有限公司 | AR intelligence glasses |
| CN111883516A (en) * | 2020-07-24 | 2020-11-03 | 青岛歌尔智能传感器有限公司 | Packaging structure and packaging method of integrated module and electronic equipment |
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| KR20120078310A (en) * | 2010-12-31 | 2012-07-10 | 삼성전자주식회사 | Glasses for three dimension display apparatus |
| CN201926823U (en) * | 2011-01-26 | 2011-08-10 | 青岛海信电器股份有限公司 | 3D (three dimensional) glasses |
| CN202486432U (en) * | 2012-02-27 | 2012-10-10 | 深圳赛沃斯科技有限公司 | Active shutter 3D (three-dimensional) glasses |
| CN203178579U (en) * | 2013-04-11 | 2013-09-04 | 青岛歌尔声学科技有限公司 | 3D eyeglasses |
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| CN2769928Y (en) * | 2005-02-04 | 2006-04-05 | 珠海精准表业有限公司 | Waterproof multifunction glasses |
| CN103002388A (en) * | 2012-11-10 | 2013-03-27 | 精拓丽音科技（北京）有限公司 | Multifunctional piezoelectric bone conduction earphone and touch force feedback system integrated with glasses |
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