AF ACTUATOR WITH IMPROVED TILT PERFORMANCE
The present invention refers to AF actuator relates to search, more specifically the number of AF magnet, structure and arrangement relation by using tilt actuator AF end of the optical fiber are disclosed. When an user of needs clearer displayed (needs) as well as a camera device is enhanced by independent, mobile device (phone, smart phone) camera module mounted even autofocus (AF, Auto Focus) function is implemented etc.. Auto focus function to linear motion of a subject lens with a focal distance between the lens holder toward an optical axis direction for automatic self-adjustment according to opening of a lens by CMOS, CCD imaging element such as a clear Image with a function in the generation of more big. Auto focus function of the representative method include, as shown in also 1 lens holder (10) on one side of the magnet (permanent magnet) of single (single) AF (15) AF with magnet (15) coil (not shown) face the housing (fixture) (20) after with the, AF power of the proper size is applied to the coil to coil magnet (15) by generating electromagnetic force between the lens holder (10) in the optical axis direction (in the axial direction of Figure 1 Z) a moving method is cited. In addition, 1 also in this method as shown in the AF magnet (15) magnetic material yoke face (25) housing (20) the plurality of AF magnet (15) attached to the yoke (25) attraction using AF (of Figure 1 F1) would occur between the magnet (15) with a lens holder (10) housing (20) without dislodging from the appropriate position configured to hold the substrate. Lens or a lens including a lens holder (10) even when the arm is not in this way of implementing through AF lens holder (10) of horizontal (X axis also reference 1) balance is cannot be large door number, Image, zoom Image for AF when mounted to the proportion for driving a lens is mounted and the second side of the magnet opposite direction (θ) can be tilted by a tilt defect occurs. Lens holder (10) and method for producing the defect immediately imaging element (50) apart angle (θ) by entering the optical path converting unit from which modify the focusing point generation a clear Image with a door number CLK3. In addition, the lens holder and conventional method (10) only one side of the optical axis direction of the driving force itself is biased for movement in the optical axis direction since a force AF lens holder (10) for balancing yoke in addition, in soft lens is deflected to one side passage to tilt when mounted to the possibility that the terminal can be higher. In particular, recent smart phone mounted weight to cover according to which a camera module is embodied in, the lens holder when safety (10) physically support include a lens holder (10) relatively operates on the above-mentioned tilt defect to be less so that the door can be further large number. The present invention refers to said background such as intervening in order to solve as lowering a frame number point, the lens holder with a magnet yoke AF lens holder configured to support the patient to allow self-load caused by attractive forces and, for moving the lens holder in the optical axis direction force simultaneously acting on either side of the lens holder to which the pin is [...] number AF tilt actuator with improved performance. Another object of the present invention can be understood by description and advantages are below, clearly less than will learn of the present invention in the embodiment. In addition, the purpose of the invention and advantages are realized by combination of the obligation to claim and its configuration can be. For achieving said purpose of the present invention improved performances of main magnet and sub magnet with tilt actuator AF lens holder; said main magnet arranged opposite said main magnet generating acidity main yoke, said sub magnet arranged opposite said sub magnet generating sub yoke and acidity, electromagnetic force generating coil be tested; and said lens holder and said positioned between the housings can be configured to contain a plurality of balls. In addition, order to achieve this object of the present invention with improved performance for said main magnet and sub magnet with tilt actuator AF lens holder; said magnet and said coil for generating electromagnetic force sub main magnet, said magnet generating yoke main acidity be tested; and said lens holder and said plurality of balls positioned between the housings configured to contain disapproval. Further, said main magnet of a magnet of the present invention said sub the magnet configured for engagement with the main opposite position can be symmetric. Said main magnet of the present invention said coil is wound around the housing to generate electromagnetic force both sub magnet form or embodiment according to said form, said magnet and said coil is main main coil and sub-coils can be operated each sub magnet generating electromagnetic force may be disclosed. In addition, sub the magnet of the present invention said upper sub magnet and lower sub-replaced and a top portion of said upper sub-the magnet and can be more preferably said main magnet is connected to said lower sub-the magnet positions corresponding main magnet positions corresponding with said lower end part can be. Preferably, said horizontal longitudinally extending shape of sub the magnet sub magnet; said longitudinally extending locating below the upper sub magnet horizontally with an apparatus for lower sub-magnet; and said vertical longitudinal direction connecting the upper sub magnet lower sub-magnet the appearance of the bridge magnet can be configured to contain. In the embodiment of the present invention in one preferred by when, symmetrical on both sides of the lens holder is positioned opposite to the housing and disposed AF AF magnet yoke each have the tilt of the lens holder by dualizing symmetric magnet yoke caused by attractive forces can be improve performance. In addition, each AF optical axis direction of the lens holder facing magnet coil to force simultaneously acting on either side of the center of the bottom surface of the lens holder in the optical axis direction to the horizontal attitude of the held state from that it is tilt movement can be improve performance. The present invention refers to AF attraction force generated between the magnet yoke tccr removed excessive manpower to distribute a predetermined frictional force between the ball lens holder through AF driving power contrast can be enhance efficiency. The specification of the present invention preferred embodiment example in which a are added in the following drawing, detailed description of the invention which more effectively understanding of the present invention carry with feature which serves three, are not described in the present invention refers to such drawing like a is confined only to the interpreted. Figure 1 shows a conventional AF actuator driving performance degradation generally described in diagram in the disk surface, In the embodiment of the present invention in one preferred overall shape also Figure 2 shows a side actuator shown by AF, Figure 4 shows a detailed configuration of the present invention also 2 and 3 also shown in disassembled also shown, In the embodiment of the present invention in one preferred by exhibiting also Figure 5 shows a plane view and cross section, The present invention also tilt by an operational relationship like Figure 6 shows a complex surface, In the embodiment of the present invention shown by Figure 7 shows a structure of a coil the other also are disclosed. Hereinafter, with reference to the attached drawing of the present invention preferred embodiment to explain dilate less than 1000. The prior, the specification range and claim defining the terms or word sense and subsequent analysis or a pre-conventional don't be not, its own invention best method described in the invention for most general outline of a term that technical idea of the present invention to appropriately define a predicated principle to meet the interpreted semantics and general outline must substrate. In the embodiment of the present invention are shown in the drawing on a configuration specification if one in the embodiment of the present invention most preferably will not replace both the technical idea and sends, the application point may replace their various variants are equal with accomplishing understanding can be negative. In the present invention hereinafter with reference to the attached drawing by tilt with improved performances of AF actuator illustrating the menu to that are directionally to each other. First, in the embodiment of the present invention in one preferred by tilt improved AF actuator (hereinafter 'AF actuator' refer to as (100)) refers to the overall shape of the present invention shown in agent of 2 overall set up at each other. As shown in the actuator of the present invention AF also 2 (100) with an essentially is a discharge main yoke (131), housing (120), circuit board (190), connection terminals (191), lens holder (110) can be configured like. First, housing (120) is AF actuator (100) serves as a case, and a substrate with a number of configuration space which bar as to carry [...] substrate. The lens holder (110) is this housing (120) where the inner wall of AF (Auto Focus) is provided which can be implemented by linearly be moved in the optical axis direction, the lens holder (110) formed the appearance of the mounting space (114) of various shape or a lens or a lens assembly (not shown) has one or more properties (specification) can be mounted. Circuit board of the present invention (190) is flexible, a FPCB (Flexible Printed Circuit Board) can be implemented in order to improve the aqueous, of the present invention AF actuator (100) disposed within a Hall sensor (170) number (interfacing) or on the interfacing signal such as a Hall sensor (170) and coil (150, 151, 152) or the like can be power supply function. Shield can (105, Shield Can) is a variety of shapes, such as can be implemented material, of the present invention AF actuator (100) is a mobile terminal which is produced by the outer electrode, module and the like in order to prevent the electromagnetic force affecting affected process is embodied preferably. Of the present invention main yoke (131) is also shown in the housing 2 (120) side is equipped outside, multi stage by weaving so that the carry of main magnet (111) CLK3 acidity (reference 3 also). The main magnet attraction force thus produced (111) i.e., main magnet (111) with a lens holder (110) a yoke (131) with housing (120) 4. metal base contacts an adjustable force. Lens holder (110) and the housing (120) between the ball (140) of the present invention rotates in the direction of optical axis is in a fixed direction (reference 3 also) lens holder (110) is in the above-mentioned is disposed on the housing (120) direction firmly stuck ball (140) spaced apart by the diameter of the corresponding curved portion with each other. Of the present invention connection terminal (191) inverter AF the mobile sound control actuator (100) inter-vehicle communication, effective power supply such as shown in fig. 2 for interfacing the housing (120) preferably embodied in the form of a separated from the die. Hereinafter with reference to the construction and function of the present invention in particular also in 3 to 5 also detailed as follows. As shown in 3 to 5 of the present invention AF also also actuator (100) includes a main magnet (111), sub magnet (112), main coil (151), sub-coils (152), sub-yoke (132), ball (140) and Hall sensor (170, Hall Sensor) can be like. Of the present invention main magnet (111) group is holder (110) of mounting space (113) like a coupling groove in such a way that the lens holder (110) can be moved in a longitudinal direction of. Said main magnet (111) faces as such is its main yoke (131) and the attraction force generating reciprocally, lens holder (110) and the housing (120) is disposed on the device from the ball (140) and in a horizontal state (point-of-contact) and supplies interval (corresponding to the diameter of the ball distance) is equal to maintain. Of the present invention sub-magnet (112) and the sub-yoke (132) to remove the constitution of the invention conventional AF actuator door number point as main magnet (111) and the main yoke (131) and the other end position to other direction combined with each other. Specifically of the present invention sub-magnet (112) includes a main magnet (111) such as lens holder (110) with the, main magnet (111) through the preferably symmetrical positions on, of the present invention sub-yoke (132) is sub magnet (112) configured to produce effective as generating acidity manpower sub magnet (112) facing the housing (120) is combined with each other. The manpower to produce sub-yoke (132) in addition, multi stage made of a metal material combustion chamber. Is accomplished with magnet (112) and the sub-yoke (132) attractive forces between sub magnet (112) with a lens holder (110) sub-yoke (132) be tested (120) 4. metal base contacts an adjustable force. The lens holder of the present invention (110) actuator such as conventional single main magnet (111) mounted form rather than only, main magnet (111) and the sub-magnet (112) is under or over both with a form. Main magnet (111) and the sub-magnet (112) is a lens holder (110) can be provided with different side but, like the attractive force AF driving force with distributed efficiently to implement mutually symmetric as also illustrated 5 through the preferably. The present invention refers to the lens holder (110) on both sides of the main magnet (111) and the sub-magnet (112) is arranged, these correspond to each housing (120) each on opposite sides of a main yoke (131) and the sub-yoke (132) placing has a meshed structure. The present invention refers to due to this, even in soft lens is mounted main magnet (111) and main yoke with opposite direction leaning phenomenon in one sub-magnet (112) and the sub-yoke (132) mounted to a lens is proportion even if the attraction of the groove on the lens holder (110) is equal to or more effectively implement horizontal balance. I.e., as shown in also 6 of the present invention sub-magnet (112) and the sub-yoke (132) produces the main magnet attraction (F2) (111) on the main yoke (131) is formed in the opposite direction (F1) attraction produces main magnet (111) on the main yoke (131) with opposite direction of tilt in external to be coated. Further sub-magnet (112) and the sub-yoke (132) attractive forces between the main magnet (111) main yoke (131) attraction force generated between the lens holder tccr excessive manpower does the changed telephone number (110) on a ball (140) can reduce the frictional force between the lens holder (110) on a ball (140) reduced the frictional force between the AF driving power contrast disapproval enhance efficiency. On the other hand, of the present invention coil (150) for generating an authorized by an electromagnetic force as in the above-mentioned bellows sub magnet (112) and the sub-yoke (132) is implemented actuator when main magnet (111) generating electromagnetic force only there disclosed. Only, which carry the lens holder in the optical axis direction as AF driving force (110) [...] number on both sides of the present invention to main coil magnet (111) and the sub-magnet (112) received from preferably each or all electromagnetic force generating structure. To this end, as shown in the drawing of the present invention coil is main magnet (111) to main coil for generating electromagnetic force (151) and sub-magnet (112) electromagnetic force to generating sub-coils (152) can be configured as, according to embodiment 7 of the present invention as shown in the coil is also form main magnet (111) and the sub-magnet (112) to generate electromagnetic force both housing (120) can be configured as wound around the single shape of object. 6 also (a) of the present invention shown in and main coil (151) main magnet (111) in the optical axis direction to driving force (lens holder (110) indicated to the right side of F3 and F4) of the present invention sub-coils and a number [...] (152) sub magnet (112) in the optical axis direction to driving force (lens holder (110) F3 and F4 displayed on a left side) end of the lens holder a number [...] (110) in the optical axis direction such that the drive force simultaneously on either side of the ball to consists of number. I.e., lens holder (110) is based on the directions when the optical axis on both sides of frame and F3 (main coil and sub-coils) is, movable in a direction (main coil and sub-coils) time it goes round the effect of F4 to AF driving both sides of the lens holder (110) can be preventing the second membrane. The main magnet (111) and sub magnet (112) when each coil so as to be all a different number [...] implemented, embodiment of the present invention form the main magnet yoke (111) can be configured to generate attractive forces between only. But, as described by yoke attractive forces prior to lens holder (110) number on both sides of the present invention the ball surface of the yoke main magnet (111) and the sub-magnet (112) energizing both acidity can be implemented. I.e., the embodiment described in the present invention in the form of prior main yoke (131) and the sub-yoke (132) structure by the main coil (151) and sub-coils (152) structure by the integrated can be applied. On the other hand, of the present invention sub-magnet (112) is also 4 as shown in the embodiment can be implemented in various forms depending on the form. As also shown in 4 of the present invention sub-magnet (112) includes a top sub magnet (112 - 1) and a lower sub-magnet (112 - 2) can be made, in this case also 6 as shown in the direction of F2 in the optical axis direction such as a gear load acts upon the AF driving direction of gravity or more can be deflected or acceleration direction can be started more effectively cancel the signal output from the lens holder (110) to further refine the leaning phenomenon of capable of. The embodiment form said upper sub magnet (112 - 1) on said lower sub-magnet (112 - 2) but the distance between a suitable clearance, as shown in (b) also 6, said upper sub magnet (112) includes a main magnet (111) and a top portion of a predetermined position corresponding to improve, lower sub-magnet (112 - 2) includes a main magnet (111) can be configured to a predetermined position corresponding with a lower end part. The subcarriers constituting magnet (112) and the sub-yoke (132) can be deflected more attractive forces between direction toward an optical axis direction the lens holder (110) capable of load etc. to further refine the tilt defect. More preferably, of the present invention sub-magnet (112) includes a top sub magnet (112 - 1), lower sub-magnet (112 - 2) and bridge magnet (112 - 3) can be implemented as a form including. Said bridge magnet (112 - 3) includes said upper sub magnet (112 - 1) and a lower sub-magnet (112 - 2) can be in the form of vertical connecting the appearance of the longitudinal direction. Of the present invention sub-magnet (112) when it also sub-yoke (132) in the optical axis direction deflection effect is canceled by the attractive forces between direction simultaneously sub-coils (152) in an optical axis direction to enlarge the area by driving relationship with and is equal to or higher than efficiency. On the other hand, Hall sensor of the present invention (170) comprises a Hall effect (hall effect) magnets are arranged position i.e., lens holder (110) for sensing the position of corresponding signal light to a driving chip (not shown) and, a driving chip provides a Hall sensor input (170) using the signals of an appropriate magnitude and direction of the coil side decodes the number to be applied. This Hall sensor (170) with reference to the direction of optical axis through the lens by automatic focus function is implemented can be accurate position feedback to a number. In more, in the embodiment of the present invention to one lens holder (110) on one side of the main magnet (111) provided with a lens holder (110) on the other side of sub magnet (112) is described but are installed in a structure, the lens holder embodiment form (110) the remainder of the side main magnet (111) or sub-magnet (112) to generate a control can be implemented tilt-amble, in terms corresponding the yoke and coil in addition, housing (120) with a plurality disposed tilt-amble can be implemented as to generate the concave disclosed. In the description of the invention in the above-mentioned main, such as inter-sub used for tool relative was between internal components of the terms of the general outline only, specific order, representative of the term should be interpreted is not one which used for priority. The description of the invention in the embodiment for the present invention and appended drawing techniques for town or the like by emphasizing content but exaggerated colors for projecting images onto the form illustrated as a relief to, are shown in the drawing and subject matter disclosed prior art considering at least one like a conventional description of various forms of modified applications at the level that the engine should be interpreted is nontrivial. 100: AF actuator 110: lens holder 111: main magnet 112: sub magnet 112 - 1: top sub magnet 112 - 2: lower sub magnet 112 - 3: bridge magnet 120: housing 131: main yoke 132: sub-yoke 140: ball 150: coil 151: main coil 152: sub-coils 170: Hall sensor 190: circuit board An AF actuator having improved tilt performance according to the present invention comprises: a lens holder having a main magnet and a sub magnet; a housing including a main yoke facing the main magnet to generate attraction to the main magnet, a sub yoke facing the sub magnet to generate attraction to the sub magnet, and a coil to generate an electromagnetic force; and a plurality of balls positioned between the lens holder and the housing. COPYRIGHT KIPO 2017 Main magnet and sub magnet with lens holder; said main magnet arranged opposite said main generating acidity main magnet yoke, said sub magnet arranged opposite said sub magnet generating sub yoke and acidity, generating electromagnetic force be tested coil; and said plurality of balls positioned between the housings and said lens holder, said sub the magnet, said main magnet positions corresponding with a top portion of an apparatus for horizontally longitudinally extending upper sub magnet; said lower end part is connected to said main magnet positions corresponding longitudinally extending locating below the upper sub magnet horizontally with an apparatus for lower sub-magnet; and said vertical longitudinal direction connecting the appearance of the upper sub magnet lower sub-magnet bridge magnet including a tilt improved AF characterized actuator. Back number According to Claim 1, said sub-the magnet, said magnet is attached opposite said main magnet main symmetric position characterized tilt improved AF actuator. According to Claim 1, said coil, said magnet housing to generate electromagnetic force both wound around said main sub magnet characterized with improved performance in the form of a perpendicular AF actuator. According to Claim 1, said coil, said main coil and sub-coils each main magnet and sub magnet generating electromagnetic force to and from the tilt actuator AF characterized with improved performance. Back number Back number Back number
