CN102543118A - Play control system of four-dimensional cinema - Google Patents
Play control system of four-dimensional cinema Download PDFInfo
- Publication number
- CN102543118A CN102543118A CN2011104600241A CN201110460024A CN102543118A CN 102543118 A CN102543118 A CN 102543118A CN 2011104600241 A CN2011104600241 A CN 2011104600241A CN 201110460024 A CN201110460024 A CN 201110460024A CN 102543118 A CN102543118 A CN 102543118A
- Authority
- CN
- China
- Prior art keywords
- control information
- seat
- time
- special effect
- send
- 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.)
- Granted
Links
Images
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a play control system of a four-dimensional cinema. The system is characterized by comprising the following steps of: sending chair control information and special effect control information to special effect chairs and special effect equipment when a film is played; sending the chair control information for one time by the system through a chair output chip every set time t to control the movement of the special effect chairs; at the same time, sending the special effect control information to control the on and off of the special effect equipment; at the same time, monitoring whether abnormal situations, such as stop, pause, disk blockage, communication failure, or verification failure occur or not through the system; if the abnormal situations occur, correspondingly processing the abnormal situations; and after processing, continuously playing the film, when playing is over, the chairs slowly fall back to a zero position, and the special effect equipment is completely closed. The synchronism of playing and control can be ensured by the system, and when playing stops and processing on the abnormal situations is failed, the special effects are completely closed, and the chairs slowly fall back to the zero position, so people are prevented from being injured by fierce movement of the chairs.
Description
Technical field
The present invention relates to a kind of broadcasting control system of four-dimensional cinema.
Background technology
As everyone knows, (three-dimensional film has had the history of decades to the 3D film.And in recent years, along with the development of video display entertainment technologies and the demand in amusement market, four-dimensional cinema has appearred in various places one after another; This four-dimensional cinema is on the basis of traditional 3D movie theatre; The motion that adds the front, back, left, right, up, down of seat, and increased such as extraordinary effects such as blowing, water spray, smog, bubbles, on the simple static basis of viewing and admiring of traditional cinema in the periphery; Make spectators when watching film; Can also obtain comprehensive impressions such as vision, the sense of hearing, sense of touch, sense of smell, the viewing that has formed a kind of uniqueness is experienced, and is the product that three-dimensional film and stunt movie theatre combine.
Existing four-dimensional cinema mainly is made up of screen, polarised light glasses, figure-seat, special effect device, computer control system, projector and sound system.It plays with controlling is independent control all the time, and this plays and the nonsynchronous problem of control with regard to existing, and brings shortcoming to viewing.In addition, dual system also has very large limitation and drawback on O&M.And the present invention is a kind of four-dimensional cinema broadcasting control system based on the 3D Blu-ray player.Control special efficacy seat and special effect device when the 3D Blu-ray player is responsible for playing film.Realize the integrated of broadcast and control, guaranteed the synchronism of playing and controlling.Broadcasting control system is controlled special efficacy seat and special effect device through the special efficacy configuration file that reads in USB flash disk or the video disc.The numerical value representative voltage value in the seat control information wherein; Be that the special efficacy seat moves with the corresponding action intensity of this voltage; Simultaneously according to being installed in sensor the monitoring on the special efficacy seat to the special efficacy seat; And control system is sent one group of Numerical Control seat to the special efficacy seat in the time interval of setting motion makes the beholder reach sensation on the spot in person to reach the scene that cooperates in the film.The special efficacy control information comprises two parts; First part is the time that special efficacy is sent; Second part is the steering order that special effect device opens or closes, and is generally binary number, and 1 is the special effect device unlatching; 0 closes for special effect device, according to the size how many binary numbers is set of control special effect device
But existing four-dimensional cinema does not possess the detection system in the playing process, and the situation generation that often when playing, has time-out, stops, blocking dish or communication failure influences viewing quality, also occurs dangerous easily; Like: the film camera lens of turning on one's side in the time of 20 minutes; The rollover action takes place in the special efficacy seat; Suddenly communication stops or communication failure, because four-dimensional cinema does not in the past possess the detection system in the playing process, this moment, spectators will keep the attitude of rollover along with seat; Wait for that the staff starts reset routine or helps spectators to get off from seat, careless slightlyly in this process will cause serious consequence.In addition; Four-dimensional Playing Office in the film city is closer at interval together with the ordinary playing Room usually; Because the admission fee of four-dimensional film will be far above the admission fee in the ordinary playing Room, therefore the spectators in the ordinary playing Room thing of watching four-dimensional film of stealing a ride occurs playing midway and take place through regular meeting.
Detection system based on above reason four-dimensional cinema all possesses in the playing process is badly in need of being developed.
Summary of the invention
The present invention is directed to the proposition of above problem, and develop a kind of broadcasting control system of four-dimensional cinema.The technological means that the present invention adopts is following:
A kind of broadcasting control system of four-dimensional cinema is characterized in that comprising the steps:
A, system begin to play film, when first two field picture occurs, begin to send seat control information and special efficacy control information and give special efficacy seat and special effect device;
B, the every separated setting-up time t of system send a seat control information through the seat pio chip, the motion of control special efficacy seat; Simultaneity factor is obtained the broadcast information of film, calculates the movie time, when arriving in the special effect device control information official hour, sends the special efficacy control information, in order to the switch of control special effect device;
Whether C, simultaneity factor are also monitored has abnormal conditions such as stopping, suspending, block dish, communication failure or authentication failed to take place; When if dish, communication failure or authentication failed abnormal conditions occurring stopping, suspending, block, to carrying out handled unusually; Then continue to play if dispose, carry out step D;
Whether D, judgement broadcast finish, if finish, carry out step e; Otherwise return step B;
E, broadcast finish, and seat falls back to zero position gently, the special effect device Close All;
The processing procedure of abnormal conditions is following:
1, abnormal conditions occurring stopping to handle as follows:
A, when starting, stop to play film, stop to send seat control information and special efficacy control information simultaneously when stopping key;
B, seat fall back to zero position gently, the special effect device Close All;
2, abnormal conditions occurring suspending handles as follows:
C, after pause button starts, carry out steps d;
D, time-out are play film, suspend simultaneously and send seat control information and special efficacy control information, and whether monitoring in real time has the broadcast button to be activated;
E, if playing button is activated, then continue to play film, continue to send seat control information and special efficacy control information;
3, the communication failure abnormal conditions occurring handles as follows:
F, when step B is performed, whether system simultaneously Monitoring and Controlling information sends success;
G, send failure as control information takes place, then stop to play film, seat falls back to zero position gently, the special effect device Close All, and send alerting signal and remind the staff;
4, card dish abnormal conditions occurring handles as follows:
H, when card dish phenomenon occurring, carry out step I;
I, time-out are play film, suspend simultaneously and send seat control information and special efficacy control information, and whether the monitor card dish time surpasses setting-up time T1 then;
J, if the card dish time surpasses setting-up time T1, play when recovering, continue to send seat control information and special efficacy control information;
K, if the card dish time surpasses setting-up time T1, then stop to play film, seat falls back to zero position gently, special effect device Close All, and send alerting signal and remind the staff;
5, the authentication failed abnormal conditions occurring handles as follows::
L, every at a distance from the T2 time, through reading the information acquisition viewing number n that the seat upper sensor returns;
M, the MAC Address of native system and viewing number uploaded onto the server verify; Server links to each other with ticket sale system; Server judges it is which movie theatre based on the MAC Address uploaded, and obtains the poll that this movie theatre is sold, and judges whether viewing number n exceeds to sell poll n1;
N, if n-n1 >=m, wherein m is that maximum exceeds number, then stops to play film, seat falls back to zero position gently, special effect device Close All, and send alerting signal and remind the staff;
O, if n-n1＜m, wherein m is that maximum exceeds number, then the alerting signal that exceeds of the personnel of sending is given the staff, continues to play film, continues to send seat control information and special efficacy control information, adds up the times N of the alerting signal that the personnel of sending exceed simultaneously;
P, if N＞n2, wherein n2 is the number of times that maximum personnel exceed alerting signal, then stops to play film, seat falls back to zero position gently, special effect device Close All, and send alerting signal and remind the staff.
The processing procedure that said appearance suspends abnormal conditions also comprises:
D, suspend to play film and suspending and send seat control information and special efficacy control information, and whether monitoring in real time have the button of broadcast to be activated, the time monitoring time out whether surpass setting-up time T;
E, if in setting-up time T, playing button is activated, then continue to play film, continue to send seat control information and special efficacy control information;
E1, if in setting-up time T, play button and be not activated; Then stop to play film, seat falls back to zero position gently, the special effect device Close All; And send alerting signal and remind that staff's time out is long to cause the improper end of movie, so more can guarantee spectators' safety.
Compare with prior art; Advantage of the present invention is conspicuous: system according to the invention can guarantee the synchronism playing and control; And when broadcast stops with abnormal conditions processing failure; Special efficacy Close All, seat fall back to zero position gently, and fierce action causes injury to personnel to prevent seat.In addition, also effectively solved video disc, the card dish that senile abrasion etc. causes can occur, caused to play discontinuously to cause playing and controlling situation asynchronous, the viewing effect difference and take place through playing for a long time.
Description of drawings
The present invention has a width of cloth accompanying drawing:
Fig. 1 is the workflow diagram of invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further elaboration:
Seat and special effect device control data are deposited in the structure, suppose that the seat data are to send once every t (10ms) time, the motion of control seat; The special effect device control data sends according to official hour in the data, sends the special effect device control data when arriving transmitting time.
The broadcasting control system of this four-dimensional cinema as shown in Figure 1 comprises the steps:
A, system begin to play film, when first two field picture occurs, begin to send seat control information and special efficacy control information and give special efficacy seat and special effect device;
B, the every separated setting-up time t of system send a seat control information through the seat pio chip, the motion of control special efficacy seat; Simultaneity factor is obtained the broadcast information of film, calculates the movie time, when arriving in the special effect device control information official hour, sends the special efficacy control information, in order to the switch of control special effect device;
Whether C, simultaneity factor are also monitored to have and are stopped, suspending, block dish, communication failure or the generation of authentication failed abnormal conditions; When if dish, communication failure or authentication failed abnormal conditions occurring stopping, suspending, block, to carrying out handled unusually; Then continue to play if dispose, carry out step D;
Whether D, judgement broadcast finish, if finish, carry out step e; Otherwise return step B;
E, broadcast finish, and seat falls back to zero position (be initial position, guarantee spectators' safety), special effect device Close All gently;
The processing procedure of abnormal conditions is following:
1, abnormal conditions occurring stopping to handle as follows:
A, when starting, stop to play film, stop to send seat control information and special efficacy control information simultaneously when stopping key;
B, seat fall back to zero position gently, the special effect device Close All;
2, abnormal conditions occurring suspending handles as follows:
C, after pause button starts, carry out steps d;
D, suspend to play film, suspend simultaneously and send seat control information and special efficacy control information, and whether monitoring in real time have the button of broadcast to be activated, and whether the monitoring time out is above setting-up time T;
E, if in setting-up time T, playing button is activated, then continue to play film, continue to send seat control information and special efficacy control information;
E1, if in setting-up time T, play button and be not activated; Then stop to play film, seat falls back to zero position gently, the special effect device Close All; And send alerting signal and remind that staff's time out is long to cause the improper end of movie, so more can guarantee spectators' safety.
3, the communication failure abnormal conditions occurring handles as follows:
F, when step B is performed, whether system simultaneously Monitoring and Controlling information sends success;
G, send failure as control information takes place, then stop to play film, seat falls back to zero position gently, the special effect device Close All, and send alerting signal and remind staff's communication failure to cause the improper end of movie;
4, card dish abnormal conditions occurring handles as follows:
H, when card dish phenomenon occurring, carry out step I;
I, time-out are play film, suspend simultaneously and send seat control information and special efficacy control information, and whether the monitor card dish time surpasses setting-up time T1 (length of time can define according to actual conditions) then;
J, if the card dish time surpasses setting-up time T1, play when recovering, continue to send seat control information and special efficacy control information;
K, if the card dish time surpasses setting-up time T1, then stop to play film, seat falls back to zero position gently, special effect device Close All, and send that alerting signal is reminded the staff because card dish overlong time causes the improper end of movie;
5, the authentication failed abnormal conditions occurring handles as follows:
L, every at a distance from T2 (length of time can be adjusted according to the actual conditions) time, through reading the information acquisition viewing number n (actual viewing number) that the seat upper sensor returns;
M, the MAC Address (MAC (Media Access Control) address) of native system and viewing number uploaded onto the server verify; Server links to each other with ticket sale system; Which movie theatre it judges according to the MAC Address of uploading; And obtain the poll that this movie theatre is sold, judge whether viewing number n exceeds to sell poll n1;
N, if n-n1 >=m, wherein m is that maximum exceeds number and (can define based on actual conditions, as only surpassing 1 to 2 people; There is no need a film and all stop, only needing the staff to get final product, guarantee to watch the fluency of process) to on-the-spot stoning is real; Then stop to play film; Seat falls back to zero position gently, the special effect device Close All, and send alarm signal prompting staff because number exceeds and too much causes the improper end of movie;
O, if n-n1＜m, wherein m is that maximum exceeds number, then the alerting signal that exceeds of the personnel of sending is given the staff, continues to play film, continues to send seat control information and special efficacy control information, adds up the times N of the alerting signal that the personnel of sending exceed simultaneously;
P, if N＞n2, wherein n2 is that (can define according to actual conditions, this handles to there being personnel to exceed the maximum personnel number of times that exceeds alerting signal; But do not surpass maximum again and exceed number, reminded the staff to handle, but the staff does not do corresponding processing; It then might be the phenomenon of stealing a ride; Also be a kind of supervision simultaneously to the staff), then stop to play film, seat falls back to zero position gently; The special effect device Close All, and send alerting signal prompting staff because number exceeds and causes the improper end of movie.
The above; Be merely the preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the technical scope that the present invention discloses, all should be encompassed within protection scope of the present invention.
Claims (2)
1. the broadcasting control system of a four-dimensional cinema is characterized in that comprising the steps:
A, system begin to play film, when first two field picture occurs, begin to send seat control information and special efficacy control information and give special efficacy seat and special effect device;
B, the every separated setting-up time t of system send a seat control information through the seat pio chip, the motion of control special efficacy seat; Simultaneity factor is obtained the broadcast information of film, calculates the movie time, when arriving in the special effect device control information official hour, sends the special efficacy control information, in order to the switch of control special effect device;
Whether C, simultaneity factor are also monitored has abnormal conditions such as stopping, suspending, block dish, communication failure or authentication failed to take place; When if dish, communication failure or authentication failed abnormal conditions occurring stopping, suspending, block, to carrying out handled unusually; Then continue to play if dispose, carry out step D;
Whether D, judgement broadcast finish, if finish, carry out step e; Otherwise return step B;
E, broadcast finish, and seat falls back to zero position gently, the special effect device Close All;
The processing procedure of abnormal conditions is following:
1, abnormal conditions occurring stopping to handle as follows:
A, when starting, stop to play film, stop to send seat control information and special efficacy control information simultaneously when stopping key;
B, seat fall back to zero position gently, the special effect device Close All;
2, abnormal conditions occurring suspending handles as follows:
C, after pause button starts, carry out steps d;
D, time-out are play film, suspend simultaneously and send seat control information and special efficacy control information, and whether monitoring in real time has the broadcast button to be activated;
E, if playing button is activated, then continue to play film, continue to send seat control information and special efficacy control information;
3, the communication failure abnormal conditions occurring handles as follows:
F, when step B is performed, whether system simultaneously Monitoring and Controlling information sends success;
G, send failure like control information, then stop to play film, seat falls back to zero position gently, the special effect device Close All, and send alerting signal and remind the staff;
4, card dish abnormal conditions occurring handles as follows:
H, when card dish phenomenon occurring, carry out step I;
I, time-out are play film, suspend simultaneously and send seat control information and special efficacy control information, and whether the monitor card dish time surpasses setting-up time T1 then;
J, if the card dish time surpasses setting-up time T1, play when recovering, continue to send seat control information and special efficacy control information;
K, if the card dish time surpasses setting-up time T1, then stop to play film, seat falls back to zero position gently, special effect device Close All, and send alerting signal and remind the staff;
5, the authentication failed abnormal conditions occurring handles as follows:
L, every at a distance from the T2 time, through reading the information acquisition viewing number n that the seat upper sensor returns;
M, the MAC Address of native system and viewing number uploaded onto the server verify; Server links to each other with ticket sale system; Server judges it is which movie theatre based on the MAC Address uploaded, and obtains the poll that this movie theatre is sold, and judges whether viewing number n exceeds to sell poll n1;
N, if n-n1 >=m, wherein m is that maximum exceeds number, then stops to play film, seat falls back to zero position gently, special effect device Close All, and send alerting signal and remind the staff;
O, if n-n1＜m, wherein m is that maximum exceeds number, then the alerting signal that exceeds of the personnel of sending is given the staff, continues to play film, continues to send seat control information and special efficacy control information, adds up the times N of the alerting signal that the personnel of sending exceed simultaneously;
P, if N＞n2, wherein n2 is the number of times that maximum personnel exceed alerting signal, then stops to play film, seat falls back to zero position gently, special effect device Close All, and send alerting signal and remind the staff.
2. the broadcasting control system of a kind of four-dimensional cinema according to claim 1 is characterized in that the processing procedure that said appearance suspends abnormal conditions also comprises:
D, suspend to play film and suspending and send seat control information and special efficacy control information, and whether monitoring in real time have the button of broadcast to be activated, the time monitoring time out whether surpass setting-up time T;
E, if in setting-up time T, playing button is activated, then continue to play film, continue to send seat control information and special efficacy control information;
E1, if in setting-up time T, play button and be not activated; Then stop to play film, seat falls back to zero position gently, the special effect device Close All; And send alerting signal and remind that staff's time out is long to cause the improper end of movie, so more can guarantee spectators' safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110460024.1A CN102543118B (en) | 2011-12-31 | 2011-12-31 | Play control system of four-dimensional cinema |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110460024.1A CN102543118B (en) | 2011-12-31 | 2011-12-31 | Play control system of four-dimensional cinema |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102543118A true CN102543118A (en) | 2012-07-04 |
| CN102543118B CN102543118B (en) | 2014-07-02 |
Family
ID=46349840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110460024.1A Active CN102543118B (en) | 2011-12-31 | 2011-12-31 | Play control system of four-dimensional cinema |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102543118B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2894867A1 (en) * | 2014-01-13 | 2015-07-15 | Samsung Electronics Co., Ltd | Tangible multimedia content playback method and apparatus |
| CN105551407A (en) * | 2016-02-18 | 2016-05-04 | 南京科之普教育科技有限公司 | Multimedia live-action control device |
| CN106791791A (en) * | 2016-12-15 | 2017-05-31 | 广州中国科学院先进技术研究所 | The video play device and its implementation of a kind of controllable multidimensional seat |
| CN107544341A (en) * | 2017-09-22 | 2018-01-05 | 湖南工业大学 | A kind of control system of new special movie theatre |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060030952A1 (en) * | 2003-12-17 | 2006-02-09 | Sprogis David H | System and method for remotely monitoring, diagnosing, intervening with and reporting problems with cinematic equipment |
| CN101554537A (en) * | 2009-04-28 | 2009-10-14 | 西安和利德软件有限公司 | Four-dimensional cinema synchronous play method based on Ethernet |
| CN102073793A (en) * | 2011-01-25 | 2011-05-25 | 张庆国 | Cube algorithm-based 4D digital film network cooperative creation system |
| CN102087416A (en) * | 2010-11-17 | 2011-06-08 | 蔡庸成 | Four-dimensional interaction system |
-
2011
- 2011-12-31 CN CN201110460024.1A patent/CN102543118B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060030952A1 (en) * | 2003-12-17 | 2006-02-09 | Sprogis David H | System and method for remotely monitoring, diagnosing, intervening with and reporting problems with cinematic equipment |
| CN101554537A (en) * | 2009-04-28 | 2009-10-14 | 西安和利德软件有限公司 | Four-dimensional cinema synchronous play method based on Ethernet |
| CN102087416A (en) * | 2010-11-17 | 2011-06-08 | 蔡庸成 | Four-dimensional interaction system |
| CN102073793A (en) * | 2011-01-25 | 2011-05-25 | 张庆国 | Cube algorithm-based 4D digital film network cooperative creation system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2894867A1 (en) * | 2014-01-13 | 2015-07-15 | Samsung Electronics Co., Ltd | Tangible multimedia content playback method and apparatus |
| US9865273B2 (en) | 2014-01-13 | 2018-01-09 | Samsung Electronics Co., Ltd | Tangible multimedia content playback method and apparatus |
| CN105551407A (en) * | 2016-02-18 | 2016-05-04 | 南京科之普教育科技有限公司 | Multimedia live-action control device |
| CN106791791A (en) * | 2016-12-15 | 2017-05-31 | 广州中国科学院先进技术研究所 | The video play device and its implementation of a kind of controllable multidimensional seat |
| CN107544341A (en) * | 2017-09-22 | 2018-01-05 | 湖南工业大学 | A kind of control system of new special movie theatre |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102543118B (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102541008B (en) | Four-dimensional cinema playing control system based on 3D blue-ray player | |
| EP2169967B1 (en) | Interactive theater with audience participation | |
| JP6545744B2 (en) | Operation mode switching in head mounted display | |
| CN102543118B (en) | Play control system of four-dimensional cinema | |
| US9836845B2 (en) | Methods and apparatus for detecting objects in proximity to a viewer and presenting visual representations of objects in a simulated environment | |
| US5959717A (en) | Motion picture copy prevention, monitoring, and interactivity system | |
| US20080246694A1 (en) | Personal theater display | |
| JP5661112B2 (en) | 3D image display method, 3D image display device, shutter glasses, program, and computer-readable recording medium | |
| CN105705210A (en) | Camera based safety mechanisms for users of head mounted displays | |
| CN202634614U (en) | Control system, control device, image system, glasses and image display device | |
| KR101864685B1 (en) | System for showing 4d contents of virtual reality and method thereof | |
| CN106843471A (en) | A kind of method of cinema system and viewing film based on virtual implementing helmet | |
| CN205730323U (en) | A kind of augmented reality interactive system based on rider project of travelling | |
| Rothe et al. | Camera heights in cinematic virtual reality: How viewers perceive mismatches between camera and eye height | |
| JP2003244728A (en) | Virtual image creating apparatus and virtual image creating method | |
| US20080109265A1 (en) | Method for selling motion-actuated seats in movie theaters | |
| CN203017783U (en) | Outdoor dynamic four-dimensional (4D) theater system | |
| US20060139374A1 (en) | Method and virtual retinal display for reproducing the image of a person | |
| CN102568509B (en) | Method for detecting four-dimensional cinema playing system before playing | |
| KR101767569B1 (en) | The augmented reality interactive system related to the displayed image contents and operation method for the system | |
| CN105854318A (en) | 4D movie playing system | |
| CN202404899U (en) | Population verifying system based on four-dimensional theater playing system | |
| CN108289216A (en) | head-mounted display apparatus and video display system | |
| KR102203371B1 (en) | Method and device to visualize image while operating ride in amusement park and method and device to manage corresponding device | |
| CN105749566A (en) | Dynamic experience seat device used in dome cinema |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |