CN105118247B - A kind of spectacle-frame type Intelligent eyesight protection instrument - Google Patents
A kind of spectacle-frame type Intelligent eyesight protection instrument Download PDFInfo
- Publication number
- CN105118247B CN105118247B CN201510430427.XA CN201510430427A CN105118247B CN 105118247 B CN105118247 B CN 105118247B CN 201510430427 A CN201510430427 A CN 201510430427A CN 105118247 B CN105118247 B CN 105118247B
- Authority
- CN
- China
- Prior art keywords
- user
- sensor
- frame
- alarm
- distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
Abstract
The invention discloses a kind of spectacle-frame type Intelligent eyesight protection instruments, it includes：Sensor, controller and warning device；The sensor is adjusted the distance, inclination angle measures, wherein distance measures inclination angle using gravity accelerometer or gyroscope using either adjusting the distance to measure using TOF methods based on PSD, the range of triangle method of CCD device, energy method；The controller is received measures corresponding data from the sensor, and the controller compared with setting value, if beyond setting range, triggers the warning device and send alarm according to measurement result；The warning device is alarmed according to the control command of the controller, and warning message is uploaded high in the clouds or terminal by the spectacle-frame type Intelligent eyesight protection instrument.The beneficial effects of the present invention are analyzed by the monitoring to user's learning posture and high in the clouds, user helped to form good learning posture in study, in time parent is notified to take measures in user's visual impairment, so as to be effectively protected eyesight.
Description
Technical field
The present invention relates to electronic technology, regarding optical arena more particularly to a kind of spectacle-frame type Intelligent eyesight protection instrument, user can be with
By using this product during study, keep correct learning posture and form a habit, effective prevention is because blue or green few
Year study when because incorrect sitting-pose, long learning time and caused by myopia problem.
Background technology
1st, students of nation physical health is investigated according to the Ministry of Education and shown, China's student eyesight situation allows of no optimist, 7-12 Sui
Pupil, 13-15 Sui junior school student and 16-18 Sui high school student's poor eyesight rate are up to 40.89%, 67.33% and respectively
79.20%.Myopia is occurred frequently in 9~13 years old at present, feature be become younger, the high number of degrees, myopia degree easily leads to retina higher than 600
Lesion, according to the Ministry of Education on printing and distributing《Gerneral institutes of higher education's enrollment Physical Examination instruction》Notice request, uncorrected visual acuity
It is any that at a glance less than 5.0, relevant speciality cannot enroll, so pre- myopic-preventing work is very urgent, " undesirable vision ring
Border, insufficient light during reading and writing, near using eyes time is long, and it is that myopia is caused to occur or development that read-write posture is incorrect etc.
Major reason " (select from《The pre- Anti-myopic eye basic knowledge of middle and elementary school student and requirement》).The Ministry of Education specially issues therefore《Religion
Yu Bu general offices are on the notice for carrying out students in middle and primary schools' sight protectio propaganda activity》、《Middle and elementary school student myopia prevention and control hilllock
Position responsibility》、《Ministry of Education's middle and elementary school student myopia prevention and control scheme》、《The pre- Anti-myopic eye basic knowledge of middle and elementary school student with
It is required that》Wait associated documents, file is related to pre- myopic-preventing every aspect, the hardware facility equipment, Responsibility of Staff from school to
The diet of family, the application method of teleputer, time all give detailed suggestion and opinion, the especially custom to student
Propose four one：" it is 33-35 centimetres or so (rulers) to keep eyes and books distance ", " front and desk distance should about one
Fist ", " finger and nib distance to hold a pen is answered 3 centimetres or so (one-inch) ", one hour of study need rest a quarter of an hour, on the market
Embody four one product almost without.
2nd, more and more students in middle and primary schools because excessive homework burden and learning time it is long do not notice that eye is rested, not just
True sitting posture learns to be also the main reason for myopia occurs, and incorrect sitting posture is that we are easy in the factors for cause myopia
It controls and is easy to see the place of effect, on the one hand incorrect sitting posture can cause myopia, still further aspect also results in double
Eye myopic degree it is inconsistent.
3rd, some current inventions, such as 201420370162.X《A kind of anti-myopia glasses》, CN97221900.5《Electronic video
Power protector》, CN99210689.3《Multifunction vision-protective desk lamp special for students》Deng can not accomplish the inspection of head inclination angle
It surveys, and can not accomplish the calculating of science and distribute the time of study and rest, meanwhile, these invent no deep grind at present
Study carefully sensing station, angle, weight distribution these comforts, to function realize details it is inconsiderate, such as
201420370162.X interior remind using loudspeaker, use when can not be at school.
4th, the patent of invention of notification number CN102743252B is not described later in detail sensing station, angle, point of weight
Details with these comforts, applicability.The patent of invention of notification number CN102743252B only collects data, the digging of data
It digs, analyze no specific method, do not give client feedback service condition more.
The content of the invention
The present invention is based on the patent of invention of notification number CN102743252B, the invention for notification number CN102743252B is special
Some shortcomings in profit, the present invention propose a kind of spectacle-frame type Intelligent eyesight protection instrument, and feature is, are protected for eyesight before
The eyesight protector for protecting instrument either desk lamp type is worn inconvenient, and the present invention uses the form of mirror holder, to user with eye distance from,
The angle of inclination on head is made comprehensively with the factor to affect vision between at the moment etc., accurately detects, and ensures user in study
Correct set it is reasonable, study and the time of having a rest science distribute, by rational counterweight, in temple both sides average mark counterweight
Amount, sensor can be placed in frame or temple, take into account the balance of aesthetics and weight, sensor angles according to sensor with
Eye position relation tilts, and ensures that test point is be overlapped as far as possible with sight, sensor is placed on the left side of human body, and user exists
Sensor detecting distance will not be caused improper when writing and false triggering alarm.Technical scheme is as follows：A kind of spectacle-frame type
Intelligent eyesight protection instrument, structure division include temple, frame, material can use plastic materials used in conventional eyeglass or
Person's metal group material, under normal circumstances using TR90；Electronic section includes：Sensor, controller and warning device；Sensor pair
Distance, inclination angle measure, and wherein range measurement is used using triangulation method, energy method or the TOF during PSD, CCD
Method measurement technology, inclination angle measurement using gravity accelerometer or gyroscope, sensor measure respective data transfer to
Controller, controller compared with setting value, if beyond setting range, trigger warning device and send report according to measurement result
Alert, by bluetooth etc., wirelessly either wired mode is transferred to terminal or high in the clouds to warning message.Terminal or high in the clouds lead to
After whether deepening with long-term service condition analysis user's myopia in the recent period and feed back to user or the guardian of user；
Either the monitoring that data feed back to user or user by the service condition detailed data of user and is summarized in high in the clouds to terminal
People.The present invention can be also set there are one calibration trigger device, after triggering according to the angle currently tested, distance is to the data in equipment
It is modified, user starts calibrating function by button, wireless, wired mode triggering, using existing distance, inclination angle as base
Quasi- value, user can demarcate correct body position, accomplish to be applicable in different settings according to different people, and promote user uses body
It tests.
In addition present invention additionally comprises time set, start timing after client starts shooting, made when reaching the time of setting
It reminds.
It is obtained using the range measurement device measurement of PSD, the triangulation method of CCD device, energy method or TOF methods
Corresponding distance value, is transferred to controller.
Gravity accelerometer and detection module use I2C, UART, USB, SDIO interface are connected with controller.
The unlike signal that alarm can be sent according to controller viva voce, is vibrated and shone various forms of or different
The alarm of form combination.
The present invention can be transmitted alarm signal in a manner of point-to-point or transit server with wireless or non-wireless means
To other each Terminal Types or high in the clouds, such as mobile phone.
Electronic section in the temple of both sides, from frame walk by cabling in the present invention, conducting wire walk on frame the outside on edge or
Inside, so full frame glasses and the half frame glasses present invention are all suitable for.
The power supply of disposable or rechargeable battery may be employed in the present invention, and cell voltage is detected in due course, if any
It needs that user is notified to charge or replace battery in time.
The present invention includes electronic section distance measuring circuit, cue circuit, controller, inclination angle detection, study calendar scheduling mould
Block.Structure division includes temple, frame, on ＆ off switch, cover board, mirror footmuff, screw etc..
The beneficial effects of the present invention are：
1st, by rational counterweight, by the weight of electronic component in temple both sides approximation mean allocation, sensor can be with
It is placed in frame or temple, takes into account the balance of aesthetics and weight, if electronic device is placed on one side, glasses are just present with partially
Weight can cause user uncomfortable, and weight average is placed in two temples, the phenomenon that weighting, present city will not occurs
Some product electronic components are placed on one side on field, and other side counterweight causes weight to increase, the feelings that the experience of user is made to be deteriorated
Condition；
2nd, sensor angles do corresponding inclination according to sensor to eye position relation, ensure test point with sight as far as possible
Overlapping, the frame and temple of normal spectacle frame are not vertical designs in 90 °, and the vertical plane of frame and temple has 7 ° of deviations, passes
It needs to consider this deviation when sensor is placed on frame, angle of inclination does not have to consider this partially when sensor is placed in temple
Difference；
3rd, sensor is placed on the left side of human body, when user is writing sensor detecting distance will not be caused improper and missed
Triggering alarm.Because detect inclined sensor needs to be reported with different angles at the one side of body, detection or so
It is alert, ensure the consistent of user's head inclination alarm angle in actual use with the different detection angles in left and right；
4th, calibrating function has also been devised in the present invention, and user can demarcate correct body position, accomplishes to be applicable according to different people
Different settings promotes the usage experience of user；
5th, electronic section is individually positioned in the temple of both sides in the present invention, and the line cabling of electronic section is walked from frame,
Conducting wire walks the outside or inside on edge on frame, slots on frame, and conducting wire is placed in slot, is capped plate on the outside of conducting wire, conducting wire makes
With multiply into a branch of, the line of outer bread flexible glue makes conducting wire bend resistance, will not fracture when tie point is more than 50,000 bendings, so
Making frame and can't see inside completely from appearance has cabling, does not influence the aesthetics of spectacle frame, durability is also protected；
6th, during battery and vibrator put aside temple when the present invention is embodied, circuit, the sensor of other parts are put
On other one side, such both sides circuit, the connecting line of device only need three, and line can reduce the possibility that line is broken less
Property, and it will not make on frame along becoming larger, the volume of shaft becomes smaller when connecting line can also make the conducting wire cross shaft less, so as to mitigate
Weight reduces the influence to appearance；
7th, in the present invention intelligent mirror holder by user using result by wireless or wired mode issue mobile phone or
Person high in the clouds, mobile phone or high in the clouds to user using when warning message analyze, can analyze and show whether user near
Diopter number deepen etc. conclusions, frequency of use, the usage time of user can be fed back, convenient for users to guardian into
Row understands and supervises use；
8th, intelligent mirror holder realizes three in four one of Ministry of Education's requirement in the present invention, to " the front being not carried out
Should about one fist with desk distance " it is also helpful from side.
Description of the drawings
Fig. 1 is the power circuit diagram of the embodiment of the present invention.
Fig. 2 is the master control logic element circuit figure of the embodiment of the present invention.
Fig. 3 is the voice of the embodiment of the present invention and indicator light warning circuit figure.
Fig. 4 is the distance measuring circuit figure of the embodiment of the present invention.
Fig. 5 is the sensor circuit figure of the embodiment of the present invention.
Fig. 6 is spectacle-frame type Intelligent eyesight protection instrument structure diagram of the present invention.
In figure, 1 is vibrator and battery；2 be frame upside, inside there is cabling channel cabling；3 answer window for distance perspective；4 be to fill
Power port；5 be switch.
Specific embodiment
The present invention is further elaborated in the following with reference to the drawings and specific embodiments.
The present embodiment mainly includes：Mirror frame structure part, electric function part.
Mirror holder uses TR90 materials, and size is 54 16-144, and the distance of sensor and eyes is calculated according to interpupillary distance 50mm,
50mm is the minimum value of general 10 years old child interpupillary distance.The inclination angle of range sensor is calculated as 15 ° according to this distance, battery and
Vibrator is placed on the right temple, and range sensor and other circuits are placed on the temple on the left side, and charging interface and switch are placed on the left side
Temple, the harness of 3 outsourcing insulations is placed in frame, wire casing cabling is set on the upside of frame, 3 lines in frame are in tapered end
Place enters temple through shaft, and line is can't see above appearance.
Electric function part is divided into master control logic unit, detection unit, prompting alarm unit.Wherein detection unit includes inclining
Angular measurement circuit, distance measuring circuit, power circuit.Fig. 1~5 are the circuit diagrams of modules unit, and wherein inclination angle is surveyed
Amount circuit is to carry out data transmission controlling with module after by I2C buses with master control logic unit being connected.It prompts in alarm unit,
Bi-colour light plays state instruction；Sound circuit plays audio alert.Distance measuring circuit is using position sensor, is adopted
Measurement of adjusting the distance is realized with triangular ranging principle.Power circuit includes lithium battery and lithium battery charging circuit, system switching
Circuit and LDO power-switching circuits.
The operation principle of the present embodiment is as follows：Such as Fig. 1 power circuits, button K1 is the switch key of entire circuit, and U2 is
Bistable circuit clicks K1 lithium batteries LI1 and just turns on and power to circuit system with VCC_BP, realizes the function of open system；
K1 lithium batteries LI1 is clicked again just to disconnect with VCC_BP, plays the role of closing.And the LED light in Fig. 3 is opened in system
In the state of flickered in green light, closing when, turns off the light.
After K1 is opened, system is controlled by master control logic unit, and electric quantity of lithium battery is detected first, in Fig. 2
Cell voltage by R9 the detection that master control logic unit carries out voltage is inputted after R10 partial pressures, when cell voltage is less than 3.3V,
Indicator light flickers state in green light, and system prompts user to need to charge without other detection work.It can pass through during charging
J10 inputs 5V in Fig. 1, charges by U3 batteries charging chip to lithium battery, in charging process, charging chip passes through CHG_S
Signal is lighted indicator light and is allowed in red light phase, and the charged state for notifying main control unit current, red light after battery is full of
Extinguish.
In open state, visual range will be carried out and head sitting posture detects.Fig. 4 is visual range measuring circuit, ranging
Method is the triangular ranging method of position sensor.Master control logic unit sends 700HzPWM ripples and gives infrared transmitting tube (Fig. 4 in figure
Middle N1 is shown) transmitting infrared waves, position sensor D2 receives the infrared waves reflected by desktop or books, and generates two
Electric current I1, I2 are exported, and I1, I2 are amplified by amplifier and are converted into voltage signal and be transmitted in master control logic unit, main
Control logic unit obtains corresponding distance parameter by corresponding data processing.Angle of bank measurement unit uses gravity in Fig. 5
Acceleration transducer, the angle of inclination of acceleration of gravity sensing detection human body head, turning left or turn right when head is tilted more than certain
During one angle, master control logic unit triggers warning device will be passed through.
It is finally alarm, alarm circuit is mainly completed by speech chip, by detecting master control logic unit
The alarm signal type sent is alarmed, by the current learning posture of voice prompt user it is incorrect, need to rest, need
Charge etc..
It is product work key step once in summary, is carried out again after system is by dormancy 5s after the completion of the whole flow process
Detection next time.
The spectacle-frame type Intelligent eyesight protection instrument of the present embodiment, guard method are：
Step 101 is started shooting the initialization of laggard line program；
Whether step 102 carries out battery capacity detection, calculate in low battery state, if low battery, then remind use
Charged or replaced battery in family；
Step 103 starts the time timing of study；
Step 104 is after timing is started, the distance on measurement head to preceding target；
Step 105 measures the angle of inclination on head；
Step 106 is according to step 104,105,103 measurement result, when there is the measurement result for the condition of being unsatisfactory for, system
Judgement is which type of alarm, and can trigger step 107,108；
Step 107 is according to the judging result of step 106, if you need to alarm, system according to the difference of type of alarm, with sound,
Vibration and the different form such as shine or user is informed in various forms of combinations；
Step 108 is if you need to alarm, then warning message wirelessly being sent in a manner of point-to-point or transit server
Other terminals；
103~105 steps do not have sequencing in above-mentioned steps.
Above example is described only for the partial function of the present invention, but embodiment and attached drawing are not for limiting
The fixed present invention's.Without departing from the spirit and scope of the invention, any equivalence changes done or retouching, also belong to this hair
Bright protection domain.Therefore protection scope of the present invention should be using the content that claims hereof is defined as standard.
Claims (5)
- A kind of 1. spectacle-frame type Intelligent eyesight protection instrument, including temple or including temple and frame, which is characterized in that the mirror Sensor, controller and warning device are installed in leg or in the temple and frame；The sensor is adjusted the distance or inclination angle measures, wherein the device for the range sensor measured of adjusting the distance uses The range measurement device of triangulation method, energy method or TOF methods during PSD, CCD, inclines to what inclination angle measured Angle transducer uses gravity accelerometer or gyroscope；The controller is received measures corresponding data from the sensor, and the controller is according to measurement result and setting value phase Compare, if beyond setting range, trigger the warning device and send alarm；The warning device is alarmed according to the control command of the controller；The electronic component of the sensor, controller and warning device is distributed evenly over according to weight approximation in two temples；Vibrator, battery in the electronic component are located in the temple of right side, and range sensor and its accessory circuit are located at mirror In the temple of in frame or left side, other electronic components are located in the temple of left side；The obliquity sensor is for the judgement at inclination angle or so difference；When the obliquity sensor is in left side temple or in frame In side to the left when, detection alarm line sets angle on the left of the angle ratio on right side big；When the obliquity sensor is in right side temple Or in frame during side to the right, detection alarm line sets the angle in left side bigger than right side angle；The angle that the range sensor is placed has an inclination angle, makes detection sensor according to the size of frame and the position of placement The light sent is parallel with sight or intersects at the distance of setting；User starts calibrating function by wireless, wired mode triggering, using existing distance, inclination angle as a reference value to equipment Interior data are modified.
- 2. spectacle-frame type Intelligent eyesight protection instrument according to claim 1, it is characterised in that：On frame cabling is provided with along interior Slot；Left and right temples are connected with three lines along interior cabling slot on frame, are respectively power cord, ground wire, vibrator signal wire, three Each of line is made of multi cord, has rubber to ensure insulation outside multiply.
- 3. spectacle-frame type Intelligent eyesight protection instrument according to claim 1, it is characterised in that：Picture frame type Intelligent eyesight protection instrument Either wirelessly terminal or high in the clouds will be issued by wired using data；Terminal or high in the clouds by it is recent with it is long-term Whether service condition analysis user's myopia deepens and feeds back to user or the guardian of user；Terminal or high in the clouds will The service condition detailed data of user and summarize the guardian that data feed back to user or user.
- 4. the spectacle-frame type Intelligent eyesight protection instrument according to one of claims 1 to 3, it is characterised in that：User with mobile phone, Tablet, computer are with wireless, wired mode connection picture frame type Intelligent eyesight protection instrument, the alarm to picture frame type Intelligent eyesight protection instrument Distance, inclination angle, learning time length, alarm times, alarm interval, type of alarm are set.
- 5. the guard method of the spectacle-frame type Intelligent eyesight protection instrument described in a kind of one of Claims 1-4, it is characterised in that：Step 101 is started shooting the initialization of laggard line program；Whether step 102 carries out battery capacity detection, calculate in low battery state, if low battery, then user is reminded to need Charged or replaced battery；Step 103 starts the time timing of study；Step 104 is after timing is started, the distance on measurement head to preceding target；Step 105 measures the angle of inclination on head；Step 106 is according to step 104,105,103 measurement result, and when there is the measurement result for the condition of being unsatisfactory for, system judges It is which type of alarm, and step 107,108 can be triggered；Step 107 is according to the judging result of step 106, and if you need to alarm, system with sound or is shaken according to the difference of type of alarm It moves or shines and inform user；Step 108 then in a manner of point-to-point or transit server to is sent warning message wirelessly other if you need to alarm Terminal；103 ~ 105 steps do not have sequencing in above-mentioned steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430427.XA CN105118247B (en) | 2015-07-21 | 2015-07-21 | A kind of spectacle-frame type Intelligent eyesight protection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430427.XA CN105118247B (en) | 2015-07-21 | 2015-07-21 | A kind of spectacle-frame type Intelligent eyesight protection instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105118247A CN105118247A (en) | 2015-12-02 |
| CN105118247B true CN105118247B (en) | 2018-05-25 |
Family
ID=54666216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510430427.XA Expired - Fee Related CN105118247B (en) | 2015-07-21 | 2015-07-21 | A kind of spectacle-frame type Intelligent eyesight protection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105118247B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023543A (en) * | 2016-08-05 | 2016-10-12 | 广州新锐视光学科技有限公司 | Nearsightedness-preventing posture prevention and control method for students |
| CN106251592A (en) * | 2016-08-19 | 2016-12-21 | 浙江大学 | A kind of for pre-myopic-preventing wearable device |
| CN108122380A (en) * | 2016-11-27 | 2018-06-05 | 邵建军 | A kind of spectacle-frame type Intelligent eyesight protection instrument |
| CN107644516B (en) * | 2017-09-21 | 2020-08-04 | 中新国际电子有限公司 | Glasses and correct eye use reminding method |
| CN108303708B (en) * | 2018-01-03 | 2022-07-29 | 京东方科技集团股份有限公司 | Three-dimensional reconstruction system and method, mobile device, eye protection method and AR device |
| CN109682426A (en) * | 2019-01-30 | 2019-04-26 | 苏州中视慧眼电子科技有限公司 | A kind of teenager's eye intelligent monitoring device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201449494U (en) * | 2009-06-30 | 2010-05-05 | 柴天翼 | Vision protector |
| CN202033539U (en) * | 2011-03-08 | 2011-11-09 | 江苏万新光学有限公司 | Intellectual development glasses for improving learning and memory ability |
| US20130137076A1 (en) * | 2011-11-30 | 2013-05-30 | Kathryn Stone Perez | Head-mounted display based education and instruction |
| CN202372720U (en) * | 2011-12-28 | 2012-08-08 | 柯育林 | Glasses with ranging and reminding functions |
| CN102743252B (en) * | 2012-06-04 | 2014-06-18 | 南京智松电子科技有限公司 | Intelligent head-wearing eyesight protection instrument |
-
2015
- 2015-07-21 CN CN201510430427.XA patent/CN105118247B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105118247A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105118247B (en) | A kind of spectacle-frame type Intelligent eyesight protection instrument | |
| US9583069B2 (en) | Systems and methods for detection and management of viewing conditions using multi-device network | |
| CN205003382U (en) | Brilliant eyes mirror holder | |
| CN109116586A (en) | Multifunctional intellectual glasses | |
| CN108371538B (en) | Human eye vision monitoring system and method | |
| CN102743252B (en) | Intelligent head-wearing eyesight protection instrument | |
| US20150138048A1 (en) | Glasses apparatus using eyesight-based virtual image | |
| CN205211130U (en) | Take a seat and detect sensor, sit reminding device and intelligent thing to sit on for a long time | |
| CN105683821B (en) | Method for correcting wearer's behavior to use a pair of glasses with optimal conditions | |
| CN109340607A (en) | A kind of anti-visual fatigue multi-function desk lamp | |
| CN106773626A (en) | A kind of watch and sitting-posture correction device and method | |
| CN105469554A (en) | Seating detection sensor, sedentariness prompting device and intelligent seat | |
| WO2015192673A1 (en) | Method for preventing myopia and terminal | |
| CN207946657U (en) | A kind of electronic watch based on eyesight protection system | |
| CN111160165B (en) | Self-adaptive posture error correction detection method and device | |
| CN205333989U (en) | Student is with preventing tired myopia prevention glasses equipment | |
| CN108806209B (en) | Intelligent alarm system for sensing screen distance | |
| CN206805756U (en) | A kind of myopia prevention alarm set | |
| CN108122380A (en) | A kind of spectacle-frame type Intelligent eyesight protection instrument | |
| CN205290981U (en) | Sight protection robot | |
| CN207051596U (en) | Myopia for student eyeglass device | |
| CN202075510U (en) | Myopia prevention glasses | |
| CN105611690B (en) | A kind of Novel eye protection lamp system | |
| CN204029121U (en) | A kind of sitting posture reminder | |
| CN204100004U (en) | A kind of myopia prevention multi-function desk lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20200721 |