CN109045684A - A kind of control method and control device of projection chessboard - Google Patents

Abstract

The present invention provides a kind of control methods of projection chessboard, and different chessboards is determined by user, complete the corresponding operating of the chessboard, include the following steps: that a. determines the type and mode of chess based on the first operational order of user；B. the type based on the chess projects the chessboard being adapted with the type of the chess；C. the mode of the second operational order and chess of user realizes that the various states of chess piece change based on one or more.It is simple based on operation of the present invention, it is easy to use, a kind of control method of new projection chessboard is brought, there is high commercial value.

Description

A kind of control method and control device of projection chessboard

MakeTechnical field

The invention belongs to electronic technology field, in particular to the control method and control dress of a kind of projection chessboard It sets.

Background technique

Growing with national economy, requirement of the people for quality of the life is no longer limited to fuel clothing Row etc. is eaten, but pursues more abundant spiritual enjoyment.Read, read newspaper, playing chess, appreciating music song and dance etc. is all the people Daily leisure entertainment way loved by all.It is wherein especially chess game, either Chinese chess of extensive knowledge and profound scholarship, go, or Quintet game, Chinese checkers or army flag suitable for all ages, or even the zillionaire chess including Western thing from abroad easy to learn etc., all extensively Liked by a age bracket people.These chess games not only enrich the daily leisure entertainment of the people, and The logical thinking ability of people, especially the elderly, which can be developed, can reinforce memory by playing chess, and child can pass through It plays chess and cultivates concentration, young man is even more can be by the good phychology of victory or defeat culture and the anti-setback consciousness of playing chess.In addition it plays chess More friends can also be made friends with let us, enrich the personal circle of oneself.

But because chess kind is numerous, many inconvenience are all brought to daily storage, keeping, carrying.Such as one is secondary Chinese chess has 32 pieces of chess pieces and a secondary chessboard and the go white side of regulation game has 180 pieces, black piece have 181 pieces, it is even simpler Single flight chess also has 16 pieces of chess pieces and two dices etc..If daily keeping, storage are bad, it is easy to just will appear scarce chess The situation of son goes out to play outdoors or wants to carry several chess during the journey to be even more very very difficult if encountering.

At present in existing technology, a kind of a variety of chess games of integration, facilitate the daily storage of people, keeping, The chessboard device of carrying lacks one kind to solve hardware facility inconvenience storage, the keeping, carrying problem of a variety of chess games Store the device that multiple chess games are convenient for carrying keeping storage, specifically, lack a kind of projection chessboard control method and Control device.

Summary of the invention

For technological deficiency of the existing technology, the purpose of the present invention is the control methods and control of a kind of projection chessboard Device processed, according to an aspect of the invention, there is provided a kind of control method of projection chessboard, is determined different by user Chessboard, complete the corresponding operating of the chessboard, include the following steps:

A. the type and mode of chess are determined based on the first operational order of user；

B. the type based on the chess projects the chessboard being adapted with the type of the chess；

C. the mode of the second operational order and chess of user realizes that the various states of chess piece change based on one or more.

Preferably, before the step a, further includes:

A ' projects the selection menu of chess and selection mode in specified region.

Preferably, the specified region includes: ground, wall or desktop.

Preferably, in the step a, the first operational order of the user is accomplished in that

It is selected by mouse；It is clicked by stylus；It is clicked by finger.

Preferably, in the step a, the type of the chess includes: quintet game, go, Chinese chess, military chess and plate Chess.

Preferably, in the step a, the mode of the chess includes: single player mode；Two-player mode；Or multi-player mode.

Preferably, after the step b, further include step b ' chessboard is projected based on the specified region direction, Brightness, size, position are adjusted.

It preferably, further include step c ' before the step c

Reference picture is determined based on the type of the chess, and the reference picture is projected.

Preferably, the reference picture includes chess rule, chess term or chess game demonstration.

Preferably, in the step c, the chess piece is following shape: round, polygon and irregular curve shape.

Preferably, in the step c, the various states variation of the chess piece includes such as any one of under type:

First shape chess piece is created in first object region based on the second operational order；

First object region chess piece is moved into the second target area based on the second operational order；

First shape chess piece is changed into the second shape chess piece based on the second operational order；

Based on the second operational order first shape chess piece will be deleted in first object region.

According to another aspect of the present invention, a kind of control device of projection chessboard is additionally provided, it is true by user Fixed different chessboard, completes the corresponding operating of the chessboard, comprising:

First determining device (11): the type and mode of chess are determined based on the first operational order of user；

First projection arrangement (12):

Type based on the chess projects the chessboard being adapted with the type of the chess；

First processing unit (13): the mode of the second operational order and chess of user realizes chess piece based on one or more Various states variation.

Further, further includes:

The first adjustment device (14): direction, brightness, size, the position projected based on the specified region to chessboard is carried out Adjustment.

The present invention also provides a kind of projection chessboards, and different chessboards is determined by user, complete the chessboard Corresponding operating, comprising:

Projector (21): it is used in specified region project target image；

Camera (22): its first operational order for being used to capture user and the second operational order；

Memory (23): its operation rules for being used to store different types of chess and being adapted with the chess；

Processor (24): it is used for the first operational order and the second operational order according to user to the target image It is changed.

The present invention provides the control methods and control device of a kind of projection chessboard, determine that user thinks by determining device After the chess game to be operated, memory can retrieve chessboard, chess piece and the operation rules of the chess pre-stored in advance Deng, then on the place that the image projectings such as the chessboard of the chess game, chess piece to user is provided by projection arrangement, finally via place The user instruction and chess piece mode that reason device grasps camera capture carry out the various states variation that chess piece is realized in processing.This hair Bright structure is simple, easy to use, practical, has high commercial value.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:

Fig. 1 shows a specific embodiment of the invention, a kind of control method detailed process signal of projection chessboard Figure；

Fig. 2 shows the first embodiment of the present invention, show in a kind of control method detailed process of projection chessboard It is intended to；

Fig. 3 shows another specific embodiment of the present invention, a kind of module diagram of projection chessboard；And

Fig. 4 shows another specific embodiment of the invention, a kind of topological diagram of projection chessboard.

Specific embodiment

In order to preferably technical solution of the present invention be made clearly to show, the present invention is made into one with reference to the accompanying drawing Walk explanation.

Fig. 1 shows a specific embodiment of the invention, and a kind of detailed process of the control method of projection chessboard is shown It is intended to, main function is all chess pieces for including and chessboard type in the existing chess game of integration, allow user of the invention, It can not be influenced by objective factors such as place, stage properties, enjoy bring enjoyment of playing chess at any time.Idiographic flow schematic diagram, specifically Ground includes the following steps:

Firstly, entering step S101, the type and mode of chess, main mesh are determined based on the first operational order of user Be for confirming user needs to run which kind of chess game and game mode.

Further, the first operational order of described ground user is exactly user in the control method for entering projection chessboard In, need the first step carried out to operate.It is described when user opens projection chessboard device in a preferred embodiment Device, which can project, there is a selection page, and the selection page can prompt the type and game mould of user's selection chess game Formula, user select in the selection page, this is the first operational order of user.

Further, in another preferred embodiment, the projection chessboard can also pass through bluetooth or data The devices such as line or infrared facility or cellular mobile network are connected with other equipment, such as even with mobile phone, PAD, computer TV etc..After connection, select the page that can directly display on devices describedly, user can be by devices It is operated, to complete first operational order.

Further, first operational order of user selects to realize by mouse, in such embodiments, the mouse Mark preferably connects a projector, is selected in the selection page after the projector by mouse, and at other Embodiment in, the projection chessboard is connected with computer, selects the page of chess game and game mode that can directly show Show on computer screen, directly can need the game of selection and mode that can complete the first operation with mouse click at this time and refer to It enables, and in other examples, it can also be clicked by stylus, in such embodiments, the projector is preferably Including a capture device, the indicating positions of the stylus can capture, further, by the captured information of the indicating positions It is sent to projection chessboard, thus realize that instruction obtains, and in another more preferably embodiment, finger can also be passed through It clicks, correspondingly, the projector correspondingly includes a capture device, it can capture the finger click location, further, The captured information of the click location is sent to projection chessboard, to realize that instruction obtains.

Further, the type of the chess includes: quintet game, go, Chinese chess, military chess and plate chess, preferably at one In ground embodiment, the type of chess can also be all chess types existing on the market of flight chess, Chinese checkers etc..And it is excellent at another In selection of land embodiment, the chess game that user can be new with designed, designed, user only need to first be about to self-designed chess game Rule, checkerboard fashion, the information such as chess piece pattern are imported in the projection chessboard, so that it may in the first operational order In selected.

Further, the mode of the chess includes: single player mode, two-player mode or multi-player mode.The single mould Formula refers to man-machine mode, i.e. user and the processor of the projection chessboard plays chess, in a preferred embodiment, When it is single player mode that the chess game of user's selection, which is Chinese chess, game mode, projection arrangement can by the chessboard of Chinese chess with And chess piece projects to the specified region of user according to beginning rule of Chinese chess, user defaults the power that preferential play chess is enjoyed using red Benefit, system default use black.In another preferred embodiment, when the chess game of user's selection is quintet game, game When mode is single player mode, the five-in-a-row chessboard of blank can be projected to the specified region of user, user's default by a projection arrangement Preferential beginning power is enjoyed for first party, system default is second party, and in distinguishingly implementing at one, if user's selection is When flight chess game, the chess piece color that system can preferentially allow user that oneself is selected to want operation, and in beginning of latter step, The chess piece side selected by user is preferentially operated, described before comprehensive, when the mode of user's selection is single player mode, system meeting Enjoy preferential play chess power in default user side.

Further, the two-player mode refers to operating respective chess piece by two users to play chess, such as The white chessman and black mole etc. of the red and black of Chinese chess either go, participating in the both sides of game, can voluntarily to arrange which side leading Chess, play chess after which side.The multi-player mode refers to that more people simultaneously participate in same chess game and operate to chess piece certainly Play chess, more people can be three people, four people, five people etc., not set that number is online, and specific number requires selected by user Most participation numbers of chess game rule are red, yellow, blue, green four square matrixes in standard value, such as flight chess, in Chinese checkers Red, yellow, blue, green, black five square matrixes etc., which specific color or upright first play chess can have user to decide in its sole discretion.

Then, S102 is entered step, the type based on the chess throws the chessboard being adapted with the type of the chess Shadow, further, the type of the chess refer to that the first operational order of user in step s101 determines the type of chess.Such as User's selection be that Chinese chess so projects is exactly rectangular Board of chess, if user select be Chinese checkers if project is five The star-like draughtboard in angle, further, the adaptable chessboard, can be square, rectangle and polygon or The chessboard type that other approval chess games of person need.These do not affect specific embodiments of the present invention, not superfluous herein It states.

Finally, entering step S103, the mode of the second operational order and chess of user realizes chess based on one or more The various states variation of son.The second operational order of one or more users refers to completing in step S101 as user The first operational order after, the projection chessboard can enter in some specific chess game, and at this moment user swims in the chess The operation carried out in play is the second operational order.In a preferred embodiment, when the first of user operate selection be When Chinese chess, the chessboard of Chinese chess can be projected to the region that user specifies by the projection chessboard, under at this moment user can both start Chess, for example, move soldier, horse, as etc. chess pieces, and the instruction for moving chess piece is the second operational order.

Further, in the step S103, the chess piece is following shape: round, polygon and irregular curve Shape.Further, the circle can be solid circle, such as the chess piece and the chess piece of go etc. of Chinese chess are exactly solid Round chess piece, be also possible to hollow circular diagram.It is polygon that the polygon can be triangle, square, rectangle etc. Shape geometric figure.Such as rectangular army flag etc..The irregular curve shape, can be in arbitrary graphic, such as zillionaire House etc..The figure that these chess pieces and chess game of different shapes include can directly be shown by projection, these are all Specific embodiments of the present invention are not influenced, it will not be described here.

Further, in the step S103, the various states variation of the chess piece includes such as any one of under type: First shape chess piece is created in first object region based on the second operational order, is based on the second operational order for first object region Chess piece moves to the second target area, and first shape chess piece is changed into the second shape chess piece based on the second operational order, based on the Two operational orders will delete first shape chess piece in first object region.

Further, in first object region creation first shape chess piece, i.e. user's second operational order that is based on exists After assigning the second operational order, the projection chessboard can be created that a chess piece in the region that user specifies.It is excellent at one In selection of land embodiment, when user by step S101 to have selected chess be quintet game mode for single player mode after, step S102 meeting The chessboard of quintet game is projected on the region that user specifies, at this moment user can start to play chess, that is, carry out described second Operational order is created that quintet game in the centre of chessboard or any ranges such as the four corners of the world of chessboard.

Further, described to be based on the second operational order first object region chess piece is moved into the second target area, this skill Art field personnel understand, in a preferred embodiment, when user by the first operational order of step S101 select chess for Chinese chess mode is after single player mode, the chessboard of Chinese chess and the corresponding chess piece of Chinese chess beginning can be projected to user's by step S102 On specified region, at this moment user, which can start to play chess, carries out second operational order, for example, user the first step want by The red engineer of Chinese chess moves forwards to move a step, and here it is first object region chess piece is moved to the second target area.

Further, described to be based on the second operational order first shape chess piece is changed into the second shape chess piece, at one In preferred embodiment, when carrying out the game of zillionaire chess, according to game rule, it can build a house in game and to having covered House out is upgraded, such as when the house of first floor is become the house of two floors, the step S103 will be by first The house of shape chess piece i.e. first floor is altered to the house of the second shape chess piece namely two floors.

Further, second operational order that is based on will delete first shape chess piece in first object region, at one Embodiment in, when carrying out flight chess game, according to game rule, when the chess piece of one party leaves base in game, then One piece of chess piece of one party disappears out of hangar, and the step S103 will will delete the first shape in first object region, that is, base One piece of chess piece in four pieces of chess pieces of shape chess piece, that is, one party is deleted.

Fig. 2 shows the first embodiment of the present invention, a kind of idiographic flow schematic diagram of the control method of projection chessboard, Further include step S201 before step S101, the selection menu of chess and selection mode are projected in specified region.Into one Step ground, the specified region includes: ground, wall or desktop；In a preferred embodiment, the specified region is also It can be the arbitrary surfaces such as sofa, bed, blackboard, those skilled in the art understands, as long as the view field of the projection chessboard It is that the object of reflection light can become the specified region of the projection, use of the invention will not be limited by the field.

And then, it will be appreciated by those skilled in the art that step S202, S203 can be walked with reference to shown in earlier figures 1 Rapid S101, S102, it will not be described here.

Then, S204 is entered step,

Direction, brightness, size, the position projected based on the specified region to chessboard is adjusted, further, described Direction adjustment refer to and could be adjusted to ensure that chessboard is the front for being projected in user according to orientation where user, preferably at one In embodiment, if clock synchronization, user only do not need to rotate the throwing of the projection chessboard to the projecting direction of the projection chessboard Shadow position, the rotation will not influence subsequent operation.

Further, the brightness of chessboard projection is adjusted in the step S204 and refers to the ring according to locating for user Border adjusts the display degree of chessboard, in a preferred embodiment, when user is in the more sufficient environment of a light, The chessboard brightness that the projection chessboard will can be projected out automatically is turned down with user-friendly, with should ring locating for user When border light is partially dark or bad, the chessboard brightness being projected out can be turned up automatically for the projection chessboard, no matter in office in this way Under what environment light, user is that can preferably experience technical solution shown by the present invention.

In another preferred embodiment, user can also manually adjust display according to the display brightness that oneself is liked Degree, such as the elderly or the user having defective vision are more biased towards in bright some display degrees, it is described manually adjust brightness both can be straight It connects and is operated on projection chessboard, projection chessboard can also be passed through the modes such as bluetooth, data line and mobile phone or electricity After being connected of brain or PAD, operated on mobile phone, computer, PAD.

In one more preferably embodiment, user is in addition to that can adjust brightness according to the display brightness that oneself is liked Outside, the color of chessboard can also be adjusted according to the color in the specified region, for example, being red when user selects the region of projection When the metope of color, at this moment the chessboard color of projection can be selected as white or blue etc. by we and red vs' degree is bigger Color, when user selects the region of projection to be the sofa of black, then red or white chessboard etc. may be selected in user, these All greatly facilitate the use of user.

Further, being adjusted in the step S204 to the size of chessboard projection refers to user according to their needs To the adjustment that the chessboard size specification for being projected in specified region carries out, in a preferred embodiment, when the projection Chessboard is used in the teaching of chess, and when more people being needed to watch jointly, we can be tuned up the ratio of the projection chessboard, this Spectators within the scope of tens meters of sample can just watch the content on chessboard.Same user can also turn chessboard specification down, Can be convenient user so also can be carried out chess game in narrower environment.

In another preferred embodiment, the projection chessboard can also be according to the specified region of user's offer Size exceeds the specified region to automatically adjust the size specification that chessboard is shown to avoid the projection chessboard size specification Size brings convenience to the users.

Further, the position of chessboard projection is adjusted in the step S204 and is referred to being projected in specified region Chessboard compare the specified region four sides up and down whether parallel alignment.In a preferred embodiment, when described The position that projection chessboard is put be not projected at a horizontal position the specified region chessboard will appear skew Situation, at this moment the present invention can ensure the projection with this by way of auto-focusing, to adjust the picture position of projection Chessboard is the four side horizontal alignment up and down with the specified region.

Subsequently, S205 is entered step, reference picture is determined based on the type of the chess, and the reference picture is carried out Projection, further the, the reference picture includes chess rule, chess term or chess game demonstration etc..It is preferably real at one Apply in example, when user selection be Chinese chess when, reference picture can project some going action rules and method of Chinese chess, Such as horses moving diagonally, mutually walk field or be certain typical walking/forms in Chinese chess, such as belated action, other horse leg, take out will, mistake River rank-and-file soldier etc. or typical final phase of a chess game type etc..

Finally, it will be appreciated by those skilled in the art that the step S206 can with reference to step S103 shown in earlier figures 1, It will not be described here.

Fig. 3 shows another embodiment of the present invention, and a kind of module diagram of projection chessboard passes through User determines different chessboards, completes the corresponding operating of the chessboard, comprising:

First determining device 11: the type and mode of chess are determined based on the first operational order of user；

First projection arrangement 12:

Type based on the chess projects the chessboard being adapted with the type of the chess；

First processing unit 13: the mode of the second operational order and chess of user realizes chess piece based on one or more Various states variation.

The first adjustment device 14: direction, brightness, size, the position projected based on the specified region to chessboard is adjusted It is whole.

Further, first determining device 11 determines the type and mould of chess based on the first operational order of user Formula, effect are a certain chess and play chess mode that determining user has had been selected, and it is next to determine that information passes to Step operation.

Further, the chess that the type of the first projection arrangement 12 based on the chess will be adapted with the type of the chess Disk is projected, and effect is that the information projections such as chessboard and the chess piece of certain chess that user has had been selected refer to user Fixed region.

Further, first processing unit 13 the second operational order of user and the mould of chess based on one or more Formula realizes the various states variation of chess piece, and its role is to handle when user starts to play chess on the chessboard projected Device 13 can select the game rule of chess to change the state of chess piece based on the operation combination user of user, realize chess piece state A variety of variations.

Further, the first adjustment device 14 projects chessboard based on the specified region direction, brightness, big Small, position is adjusted, and acting on is to adjust chessboard for the variation of the view field's ambient enviroment provided according to user Projecting direction, brightness, size, position etc..In a preferred embodiment, the first adjustment device 14 can be adjusted automatically The brightness of whole projection chessboard, size, position, can also be adjusted manually according to the actual use demand of different user.

Fig. 4 shows another specific embodiment of the invention, a kind of topological diagram of projection chessboard.This field skill Art personnel understand, specific described in Fig. 1 to Fig. 3 to realize the present invention provides a kind of control device of projection chessboard Implementation method includes at least: projector 21: it is used in specified region project target image, the art people Member understands that the projector 21 is connected by data line or WIFI or cellular network with processor, and processor is receiving After every single stepping of the instruction and user assigned to user, after graphics process, the image handled well is passed into throwing Shadow instrument, then content is projected into the region that user specifies by projector, further, the projector can be placed directly in table Face, ground can also be mounted on the positions such as metope, ceiling by support bracket fastened mode.Further, the projector is also Comprising one can be used to adjust projected image position, size, brightness device, it is ensured that the image that projector is presented is able to satisfy and makes The demand of user, in one distinguishingly embodiment, the position of projected image, size, brightness can also be by under processors Up to after instruction, it is adjusted by processor to operate projector.

Further, in a preferred embodiment, the projector can also have projecting function mobile phone by one It substitutes, the projecting function mobile phone can be connected by data line or WIFI or cellular network with processor.

The projection chessboard further includes camera 22, is used to capture the first operational order and the second operation of user Instruction, further, the camera 22 is captured each operational motion of user by way of taking pictures, under capture The picture come will be directly passed to processor, and processor judges user's by each photo of analysis camera transmitting After every single stepping, these are operated and carries out image procossing.

The projection chessboard further includes memory 23, be used to store different types of chess and with the chess phase The operation rules of adaptation, further, the memory are directly connected with processor, and connection type can be data line, Can be the processor with store function, be preferably carried out at one, when user confirm good a certain chess game and After game mode, after processor receives the confirmation instruction of user, the chess of the chess game stored in memory just can read The graphical informations such as disk, chess piece, other game items, and pass to projector and projected, simultaneous processor also can read and deposit The Rule Information of this kind of game in reservoir, is based on game rule, to complete to operate in next step.

The projection chessboard further includes processor 24, is used to be operated according to the first operational order of user and second Instruction is changed the target image, and further, the processor 24 passes through data line or WIFI or Cellular Networks The mode of network is connected with the projector 21, camera and processor, and the processor 24 can be grasped according to camera capture The every single stepping of user to carry out information processing, and the form that the information handled well is converted to picture and text is assigned to projector, Graph text information is presented to the user by projector.

Further, in a preferred embodiment, the processor 24 can be a computer housing, the computer It may include memory in cabinet, the computer housing can be connected by way of data line with camera and projector.

Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring substantive content of the invention.

Claims (14)

1. a kind of control method of projection chessboard, different chessboards is determined by user, the corresponding behaviour of the chessboard is completed Make, which comprises the steps of:

A. the type and mode of chess are determined based on the first operational order of user；

B. the type based on the chess projects the chessboard being adapted with the type of the chess；

C. the mode of the second operational order and chess of user realizes that the various states of chess piece change based on one or more.

2. control method according to claim 1, which is characterized in that before the step a, further includes: a ' is by chess Selection menu and selection mode are projected in specified region.

3. control method according to claim 1 or 2, which is characterized in that the specified region includes:

Ground；

Wall；Or

Desktop.

4. control method according to claim 3, which is characterized in that in the step a, the first operation of the user Instruction is accomplished in that

It is selected by mouse；

It is clicked by stylus；Or

It is clicked by finger.

5. control method according to claim 1 or 2 or 4, which is characterized in that in the step a, the type of the chess Include:

Quintet game；

Go；

Chinese chess；

Military chess；And

Plate chess.

6. control method according to claim 5, which is characterized in that in the step a, the mode of the chess includes:

Single player mode；

Two-player mode；Or

Multi-player mode.

7. according to control method described in claim 2 or 4 or 6, which is characterized in that further include step after the step b B ' is adjusted based on direction, brightness, size, the position that the specified region projects chessboard.

8. control method according to claim 7, which is characterized in that further include step c ' base before the step c Reference picture is determined in the type of the chess, and the reference picture is projected.

9. control method according to claim 8, which is characterized in that the reference picture includes chess rule, chess art Language or chess game demonstration.

10. control method described according to claim 1 or 2 or 4 or 6 or 8 or 9, which is characterized in that in the step c, institute Stating chess piece is following shape:

It is round；

Polygon；And

Irregular curve shape.

11. control method according to claim 10, which is characterized in that in the step c, a variety of shapes of the chess piece State variation includes such as any one of under type:

First shape chess piece is created in first object region based on the second operational order；

First object region chess piece is moved into the second target area based on the second operational order；

First shape chess piece is changed into the second shape chess piece based on the second operational order；

Based on the second operational order first shape chess piece will be deleted in first object region.

12. a kind of control device of projection chessboard, different chessboards is determined by user, the corresponding behaviour of the chessboard is completed Make characterized by comprising

First determining device (11): the type and mode of chess are determined based on the first operational order of user；

First projection arrangement (12):

Type based on the chess projects the chessboard being adapted with the type of the chess；

First processing unit (13): the mode of the second operational order and chess of user realizes the more of chess piece based on one or more Kind state change.

13. control device according to claim 12, which is characterized in that further include:

The first adjustment device (14): direction, brightness, size, the position projected based on the specified region to chessboard is adjusted.

14. a kind of projection chessboard, different chessboards is determined by user, the corresponding operating of the chessboard, feature are completed It is, comprising:

Projector (21): it is used in specified region project target image；

Camera (22): its first operational order for being used to capture user and the second operational order；

Memory (23): its operation rules for being used to store different types of chess and being adapted with the chess；

Processor (24): it is used to carry out the target image according to the first operational order and the second operational order of user Change.