A kind of position sharing method and mobile terminalTechnical field
The present embodiments relate to technical field of mobile terminals more particularly to a kind of position sharing method and mobile terminals.
Background technique
With the fast development of mobile terminal technology, installable application program type is more and more in mobile terminal.WithFamily not only can be with voice-enabled chat, viewing video capture image by mobile terminal, can also be to communication good friend's sharing position.
Currently, mobile terminal, when progress position is shared, the positioning system and gravity sensor for passing through itself setting detectThe direction of mobile terminal and position, then share the direction of mobile terminal and position mark in interface in position, in order to rightSide determines user present position according to label.
When shared using this kind of position sharing method progress position, when target object is in the high place of density of stream of peopleWhen, since the position shared information marked is only a rough position, and may be simultaneously present in region in the position moreIndividual, such other side will be unable to quickly and accurately navigate to target object, to influence user experience.As it can be seen that existing positionSharing method can not provide accurately sharing position information.
Summary of the invention
The embodiment of the present invention provides a kind of position sharing method, to solve the Wu Fati in existing position sharing methodThe problem of for accurate sharing position information.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, being applied to mobile terminal, wherein described the embodiment of the invention provides a kind of position sharing methodThe direction and the angle between user's face and the screen of the mobile terminal that method comprises determining that the mobile terminal；ItsIn, the mobile terminal is oriented direction of the mobile terminal under geographic coordinate system；According to the court of the mobile terminalTo with the angle, the direction that user's face is marked in interface is shared in position.
Second aspect, the embodiment of the invention provides a kind of mobile terminals, wherein the mobile terminal comprises determining that mouldBlock, the direction for determining the mobile terminal and the angle between user's face and the screen of the mobile terminal；Wherein,The mobile terminal is oriented direction of the mobile terminal under geographic coordinate system；Mark module, for according to the shiftingThe direction of dynamic terminal and the angle, the direction that user's face is marked in interface is shared in position.
The third aspect, the embodiment of the invention provides a kind of mobile terminals, wherein including processor, memory and storageOn the memory and the computer program that can run on the processor, the computer program are held by the processorIt is realized when row as described in the embodiment of the present invention the step of any one position sharing method.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage mediums, wherein described computer-readableComputer program is stored on storage medium, is realized as described in the embodiment of the present invention when computer program is executed by processorAny one position sharing method the step of.
In embodiments of the present invention, by the direction of determining mobile terminal, and user's face and the movement are determined eventuallyHold the angle between screen；It is total in position according to the angle between the direction of mobile terminal and user's face and mobile terminal screenThe direction for marking user's face in interface is enjoyed, can be shared in position and show accurately position shared information in interface, convenient for usingFamily is quickly found out target object.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage canIt is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various advantage and benefit are for ordinary skill peopleMember will become clear.Attached drawing is only used for showing preferred embodiment, and is not to be construed as limiting the invention.AndIn entire attached drawing, the same reference numbers will be used to refer to the same parts.
In the accompanying drawings:
Fig. 1 is a kind of step flow chart of according to embodiments of the present invention one position sharing method；
Fig. 2 is a kind of step flow chart of according to embodiments of the present invention two position sharing method；
When Fig. 3 is user's face and mobile terminal screen face, the position between the first reference point, the second reference point and screenRelation schematic diagram；
Positional diagram when Fig. 4 is user's face left avertence, between the first reference point, the second reference point and screen；
Fig. 5 is a kind of structural block diagram of according to embodiments of the present invention three mobile terminal；
Fig. 6 is a kind of hardware structural diagram of according to embodiments of the present invention four mobile terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hairEmbodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative effortsExample, shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig.1, a kind of step flow chart of position sharing method of the embodiment of the present invention one is shown.
The position sharing method of the embodiment of the present invention the following steps are included:
Step 101: determining the direction of mobile terminal.
Wherein, this is oriented direction of the mobile terminal under geographic coordinate system.Determine mobile terminal towards and positionConcrete mode is not particularly limited this in the embodiment of the present invention referring to the relevant technologies.
Moreover, mobile terminal determine towards while can also determine position handled by mobile terminal.Such as:The position that mobile terminal can be determined by the positioning system in mobile terminal passes through the electronic compass or gravity in mobile terminalThe modules such as sensor determine the direction of mobile terminal.
Step 102: determining the angle between user's face and mobile terminal screen.
During concrete implementation, user's face and mobile terminal screen can be obtained by the 3D camera in mobile terminalThe angle-data of curtain.Such as: it 3D camera can be used to carry out three-dimensional modeling to user's head, pass through 3D camera after the completion of modelingPeople's eyes and face depth are analyzed, the angle of user's face and screen is calculated.
It should be noted that step 102 is not limited to execute after step 101, can also be held parallel with step 101Row executes before step 101.
Step 103: according to the direction and angle of mobile terminal, the direction that user's face is marked in interface is shared in position.
It can determine the direction of user's face by the direction and angle of mobile terminal.It is shared in position and marks user in interfaceFace towards when, can be shared in position and mark the direction of position and movement terminal in interface, and show face and movement simultaneouslyAngle between terminal screen, the direction that mobile terminal shown in interface can be shared to position is modified, accurately to showShow the facial orientation of target object, quickly finds target object from crowd convenient for other side.
Wherein, the direction label of user's face can be the forms such as arrow or text information, and the embodiment of the present invention is to thisIt is not particularly limited.
Position sharing method provided in an embodiment of the present invention, by determining the direction of mobile terminal, and determining user peopleAngle between face and the mobile terminal screen；According between the direction of mobile terminal and user's face and mobile terminal screenAngle the direction that user's face is marked in interface is shared in position, can be shared in position and show that accurately position is total in interfaceInformation is enjoyed, is quickly found out target object convenient for user.
Embodiment two
Referring to Fig. 2, a kind of step flow chart of position sharing method of the embodiment of the present invention two is shown.
The position sharing method of the embodiment of the present invention the following steps are included:
Step 201: determining the direction of mobile terminal.
Wherein, it is oriented direction of the mobile terminal under geographic coordinate system.A kind of preferred determining mobile terminal directionMode are as follows: by the electronic compass being arranged in mobile terminal, determine the direction of mobile terminal.In addition, determining mobile terminal courtIt, specifically can be by the positioning system that is arranged in mobile terminal, really to that can also determine the location of mobile terminal beforeDetermine the location of mobile terminal.
It the location of determines in mobile terminal and after, determines the folder between user's face and mobile terminal screenAngle, specific method of determination is referring to step 202 to shown in step 204.
In a kind of preferred mode of the invention, before determining the direction of mobile terminal, determine locating for mobile terminalPosition determines the distance between user and other side according to the position and other side position of identified mobile terminal；When this is apart from smallWhen pre-determined distance, then execute the direction of determining mobile terminal and the stream of the angle between user's face and mobile terminal screenJourney.Correspondingly, it when the distance is greater than or equal to pre-determined distance, is only shared in position and marks determining mobile terminal in interfacePosition and orientation, and continue to determine the distance between user and other side.
This kind preferably mode is not compared to considering that the distance between user and other side blindly determine user's face and movementThe scheme of angle between terminal screen can reduce the processing load of mobile terminal.If user and other side's distance are farther out, evenAngle between display user's face and mobile terminal screen is not also worth, and other side can not still be accurately positioned in distant locationUser, therefore a pre-determined distance is set in this preferred embodiment, user's face and mobile terminal are determined when in pre-determined distance againAngle between screen.
Step 202: calling camera to carry out three-dimensional modeling to user's face, obtain three-dimensional portrait.
During specific implementation, AR (Augmented Reality, augmented reality) technology, VR (Virtual can be based onReality, virtual reality) technology or MR (Mingle Reality, mixed reality) technology user's face is carried out it is three-dimensional verticalVolume modeling.
Step 203: determining left the first reference point and right the second reference point on the face on the face in three-dimensional portrait.
Wherein, the first reference point and second is referring to point symmetry.
Step 204: based on the positional relationship between the first reference point, the second reference point and screen, determining user's face and moveAngle between dynamic terminal screen.
As shown in figure 3, when user's face faces mobile terminal screen, the first reference point A of a general user left side on the faceIt is symmetrical with right the second reference point B on the face, L1=L4, L2=L5 if two reference point symmetries, therefore L2 and L3, L5 and L3Angle is all 90 degree.If the first reference point, the second reference point be not be entirely it is symmetrical, mobile terminal can calculate L2 and L3,The angle degree of L5 and L3, thus calculating the angle between user's face and mobile terminal screen.Wherein choose in screen3D sensor is as screen reference point.
When Fig. 4 is user's face left avertence, the positional diagram between the first reference point A, the second reference point B and screen,Wherein choose screen in 3D sensor as screen reference point.User's face and mobile terminal screen can be calculated by the schematic diagramThe angle of interlude.
L1 can be obtained with L2, L3 by measurement, and θ can be obtained by these three values1, θ0=90 ° of-θ1。
L4 can be obtained with L5, L3 by measurement, and θ can be obtained by these three values3, θ0=θ3-90°。
Pass through θ1、θ3Two reference values can correct θ0Accuracy.θ0Folder between face and mobile terminal screenAngle.During specific implementation, multipair reference point can also be set, i.e., select N number of first reference point on the face on a user left side, withThe family right side selects N number of second reference point on the face, then can obtain N number of θ1、θ3.Pass through N number of θ1With N number of θ3, so that θ0Accuracy it is higher.
Step 205: according to the direction, generating position and share arrow.
Shared arrow generated can characterize: the current direction of position and mobile terminal that user is presently in passes throughThe direction can primarily determine the moving direction of mobile terminal.
Step 206: generating orientation amendment arrow according to the angle.
Such as: if the angle is 15 degree of left avertence, the angle of orientation amendment arrow and mobile terminal between is left avertence15 degree.
Step 207: sharing display position in interface in position and share arrow, and share the original position of arrow in positionShow orientation amendment arrow.
Such as: mobile terminal is oriented 180 degree direction, and angle is 15 degree to the left between face and mobile terminal screen, then195 degree are oriented after amendment.
In the present embodiment, face and mobile terminal screen are shown while position shares and marks position and orientation in interfaceBetween angle, shown direction can be shared in interface to position and is modified, with the court of accurate displaying target object, that is, userTo quickly finding target object from crowd convenient for other side.
During specific implementation, it can also be shared in position and show reference line in interface, the reference line is by the position of userIt sets to connect with the position of other side and be in line, the first end of reference line is user location, and the other end of reference line is other side position, doubleSquare mobile terminal shows that respective user direction corresponding with angle between mobile terminal screen is repaired at corresponding position respectivelyPositive arrow.
It determines a position shared information with unilateral mobile terminal in the embodiment of the present invention and is shared in interface in position and showIt is shown as example to be illustrated, during specific implementation, the shared both sides' mobile terminal of participant position is performed both by the process in positionRespective positions shared information is shown in shared interface.Also, it with the rotation of both sides' face, shares in interface in position and may be used alsoTo show the situation of change of orientation amendment arrow.
Position sharing method provided in an embodiment of the present invention, by determining the direction of mobile terminal, and determining user peopleAngle between face and the mobile terminal screen；According between the direction of mobile terminal and user's face and mobile terminal screenAngle the direction that user's face is marked in interface is shared in position, can be shared in position and show that accurately position is total in interfaceInformation is enjoyed, is quickly found out target object convenient for user.In addition, position sharing method provided in an embodiment of the present invention, is used when determiningWhen family and other side's distance are less than pre-determined distance, then the process of the angle between determining user's face and mobile terminal screen is executed,Compared to the method for not considering that the distance between user and other side blindly determine angle between user's face and mobile terminal screen,The processing load of mobile terminal can be mitigated under the premise of meeting user demand.
Embodiment three
Referring to Fig. 5, a kind of structural block diagram of mobile terminal of the embodiment of the present invention four is shown.
The mobile terminal of the embodiment of the present invention may include: determining module 501, for determining the direction of the mobile terminalAnd the angle between user's face and the screen of the mobile terminal；Wherein, the mobile terminal is oriented the movementDirection of the terminal under geographic coordinate system；Mark module 502, for according to the mobile terminal direction and the angle,Share the direction that user's face is marked in interface in position.
Preferably, the determining module 501 determine the mobile terminal towards when, be specifically used for: by the movementElectronic compass in terminal determines the direction of the mobile terminal.
Preferably, the determining module 501 includes: to call submodule 5011, for calling camera to the user peopleFace carries out three-dimensional modeling, obtains three-dimensional portrait；Reference point determines submodule 5012, for determining that a left side is on the face in the three-dimensional portraitThe first reference point and right the second reference point on the face；Wherein, first reference point and second is referring to point symmetry；Angle determinesSubmodule 5013, for determining based on the positional relationship between first reference point, second reference point and the screenAngle between user's face and the mobile terminal screen.
Preferably, the mark module 502 includes: the first generation submodule 5021, for generating position according to the directionSet shared arrow；Second generates submodule 5022, for generating orientation amendment arrow according to the angle；Mark submodule5023, show that arrow is shared in the position in interface for sharing in position, and share the initial position of arrow in the positionPlace shows the orientation amendment arrow.
Preferably, the mobile terminal further include: position determination module 503, described in being determined in the determining moduleBefore the direction of mobile terminal and the angle between user's face and the screen of the mobile terminal, the mobile terminal is determinedLocation；Apart from determining module 504, for determining between the user and other side according to the position and other side positionDistance；Calling module 505, for executing the determining module and determining the movement when the distance is less than pre-determined distanceThe direction of terminal and the angle between user's face and the screen of the mobile terminal.
Mobile terminal provided in an embodiment of the present invention can be realized mobile terminal in the embodiment of the method for Fig. 1 to Fig. 2 and realizeEach process, to avoid repeating, which is not described herein again.
Mobile terminal provided in an embodiment of the present invention, by determine mobile terminal direction, and determine user's face withAngle between the mobile terminal screen；According to the folder between the direction of mobile terminal and user's face and mobile terminal screenThe direction that user's face is marked in interface is shared at angle in position, can be shared in position and be shown the accurately shared letter in position in interfaceBreath, is quickly found out target object convenient for user.
Example IV
Referring to Fig. 6, a kind of structural block diagram of mobile terminal of the embodiment of the present invention five is shown.
A kind of hardware structural diagram of Fig. 6 mobile terminal of each embodiment to realize the present invention, the mobile terminal 600Including but not limited to: radio frequency unit 601, audio output unit 603, input unit 604, sensor 605, is shown network module 602Show the components such as unit 606, user input unit 607, interface unit 608, memory 609, processor 610 and power supply 611.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 6 does not constitute the restriction to mobile terminal, it is mobile wholeEnd may include perhaps combining certain components or different component layouts than illustrating more or fewer components.In the present inventionIn embodiment, mobile terminal includes but is not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, can wearWear equipment and pedometer etc..
Wherein, processor 610, for determining the direction and user's face and the mobile terminal of the mobile terminalAngle between screen；Wherein, the mobile terminal is oriented direction of the mobile terminal under geographic coordinate system；According toThe direction of the mobile terminal and the angle, the direction that user's face is marked in interface is shared in position.
Mobile terminal provided in an embodiment of the present invention, by determine mobile terminal direction, and determine user's face withAngle between the mobile terminal screen；According to the folder between the direction of mobile terminal and user's face and mobile terminal screenThe direction that user's face is marked in interface is shared at angle in position, can be shared in position and be shown the accurately shared letter in position in interfaceBreath, is quickly found out target object convenient for user.
It should be understood that the embodiment of the present invention in, radio frequency unit 601 can be used for receiving and sending messages or communication process in, signalSend and receive, specifically, by from base station downlink data receive after, to processor 610 handle；In addition, by uplinkData are sent to base station.In general, radio frequency unit 601 includes but is not limited to antenna, at least one amplifier, transceiver, couplingDevice, low-noise amplifier, duplexer etc..In addition, radio frequency unit 601 can also by wireless communication system and network and other setStandby communication.
Mobile terminal provides wireless broadband internet by network module 602 for user and accesses, and such as user is helped to receiveIt sends e-mails, browse webpage and access streaming video etc..
Audio output unit 603 can be received by radio frequency unit 601 or network module 602 or in memory 609The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 603 can also be provided and be movedThe relevant audio output of specific function that dynamic terminal 600 executes is (for example, call signal receives sound, message sink sound etc.Deng).Audio output unit 603 includes loudspeaker, buzzer and receiver etc..
Input unit 604 is for receiving audio or video signal.Input unit 604 may include graphics processor(Graphics Processing Unit, GPU) 6041 and microphone 6042, graphics processor 6041 is in video acquisition modeOr the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries outReason.Treated, and picture frame may be displayed on display unit 606.Through graphics processor 6041, treated that picture frame can be depositedStorage is sent in memory 609 (or other storage mediums) or via radio frequency unit 601 or network module 602.MikeWind 6042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can beThe format output that mobile communication base station can be sent to via radio frequency unit 601 is converted in the case where telephone calling model.
Mobile terminal 600 further includes at least one sensor 605, such as optical sensor, motion sensor and other biographiesSensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environmentThe light and shade of light adjusts the brightness of display panel 6061, and proximity sensor can close when mobile terminal 600 is moved in one's earDisplay panel 6061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generalFor three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratioSuch as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passesSensor 605 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wetMeter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 606 is for showing information input by user or being supplied to the information of user.Display unit 606 can wrapDisplay panel 6061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be usedForms such as (Organic Light-Emitting Diode, OLED) configure display panel 6061.
User input unit 607 can be used for receiving the number or character information of input, and generate the use with mobile terminalFamily setting and the related key signals input of function control.Specifically, user input unit 607 include touch panel 6071 andOther input equipments 6072.Touch panel 6071, also referred to as touch screen collect the touch operation of user on it or nearby(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 6071 or in touch panel 6071Neighbouring operation).Touch panel 6071 may include both touch detecting apparatus and touch controller.Wherein, touch detectionDevice detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch controlDevice processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 610, receiving areaIt manages the order that device 610 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.Seed type realizes touch panel 6071.In addition to touch panel 6071, user input unit 607 can also include other input equipments6072.Specifically, other input equipments 6072 can include but is not limited to physical keyboard, function key (such as volume control button,Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 6071 can be covered on display panel 6061, when touch panel 6071 is detected at itOn or near touch operation after, send processor 610 to determine the type of touch event, be followed by subsequent processing device 610 according to touchingThe type for touching event provides corresponding visual output on display panel 6061.Although in Fig. 6, touch panel 6071 and displayPanel 6061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodimentsIn, can be integrated by touch panel 6071 and display panel 6061 and realize the function that outputs and inputs of mobile terminal, it is specific thisPlace is without limitation.
Interface unit 608 is the interface that external device (ED) is connect with mobile terminal 600.For example, external device (ED) may include havingLine or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card endMouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification moduleMouthful etc..Interface unit 608 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) andBy one or more elements that the input received is transferred in mobile terminal 600 or can be used in 600 He of mobile terminalData are transmitted between external device (ED).
Memory 609 can be used for storing software program and various data.Memory 609 can mainly include storing program areaThe storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one functionSound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such asAudio data, phone directory etc.) etc..In addition, memory 609 may include high-speed random access memory, it can also include non-easyThe property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 610 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connectionA part by running or execute the software program and/or module that are stored in memory 609, and calls and is stored in storageData in device 609 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.PlaceManaging device 610 may include one or more processing units；Preferably, processor 610 can integrate application processor and modulatedemodulate is mediatedManage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is mainProcessing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 610.
Mobile terminal 600 can also include the power supply 611 (such as battery) powered to all parts, it is preferred that power supply 611Can be logically contiguous by power-supply management system and processor 610, to realize management charging by power-supply management system, putThe functions such as electricity and power managed.
In addition, mobile terminal 600 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 610, and memory 609 is stored inOn memory 609 and the computer program that can run on the processor 610, the computer program are executed by processor 610Each process of the above-mentioned position sharing method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid repeating, hereIt repeats no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage mediumCalculation machine program, the computer program realize each process of above-mentioned position sharing method embodiment, and energy when being executed by processorReach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as onlyRead memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviationRAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-rowHis property includes, so that the process, method, article or the device that include a series of elements not only include those elements, andAnd further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsicElement.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to doThere is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment sideMethod can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many casesThe former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior artThe part contributed out can be embodied in the form of software products, which is stored in a storage mediumIn (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, serviceDevice, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specificEmbodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the artUnder the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very muchForm belongs within protection of the invention.