CN1404094A - Deflecting coil - Google Patents
Deflecting coil Download PDFInfo
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- CN1404094A CN1404094A CN01143925A CN01143925A CN1404094A CN 1404094 A CN1404094 A CN 1404094A CN 01143925 A CN01143925 A CN 01143925A CN 01143925 A CN01143925 A CN 01143925A CN 1404094 A CN1404094 A CN 1404094A
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- magnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/76—Deflecting by magnetic fields only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/56—Correction of beam optics
- H01J2229/568—Correction of beam optics using supplementary correction devices
- H01J2229/5681—Correction of beam optics using supplementary correction devices magnetic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/70—Electron beam control outside the vessel
- H01J2229/703—Electron beam control outside the vessel by magnetic fields
- H01J2229/7032—Conductor design and distribution
- H01J2229/7033—Winding
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- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
To provide a deflection yoke device which can correct deflection distortion, especially, screen distortion of lateral lines seen in a deflection yoke device constituted of a combination or the like of a square horizontal deflection coil and a vertical deflection coil directly wound around a round ferrite core. SOLUTION: In a deflection yoke device having a horizontal deflection coil 22 and a vertical deflection coil 24 arranged on a coil mounting frame 21 having a shape enlarging from a small diameter-portion to a large diameter-portion, there are provided a pair of magnets 27a, 27b which are arranged on the upper and lower ends of the large diameter portion of the coil mounting frame 21, having magnetic poles in the X direction, and right and left six magnets (28a, 28b, 29a to 29d) which are arranged equally at the right and left ends of the large diameter portion of the coil mounting frame 21, having magnetic poles in the Y direction for correcting lateral line distortion in the vicinity of the right and left ends in the upper and lower portions of a CRT screen. Six magnets on the right and left sides having magnetic poles in the Y direction consist of two magnets (28a, 28b) arranged on an X-axis to curve an electron beam toward the inside of the screen in the horizontal direction, and four magnets (29a to 29d) arranged on middle portions in a vertical direction to exert magnetic force to curve the electron beam toward the outside of the screen in the horizontal direction.
Description
Technical field
The deflecting coil (deflection yoke apparatus) that the deflection distortion (particularly horizontal line distortion) that the present invention relates to occur on a kind of picture of target ray tube is effectively revised.
Background technology
Now, mainly use cathode ray tube (hereinafter referred to as CRT) or LCDs (1iquid crystal displaypanel) as the display unit of television receiver (television receiver) etc.Wherein adopt in the display unit of CRT, used the inclined to one side biography device that the electron ray deflection of CRT is used.
High accuracy and the exploitation of the deflecting coil of assembling have easily been carried out in addition various improvement in this deflecting coil recently.
The deflecting coil of semi-ring in the past (semi-troidal) shape is installed in the position of shifting to taper (cone) portion from the neck of CRT, on the iron core (a pair ofsegmented troidal cores) of a pair of ring-type that is divided into 2 parts, reel separately tubaeformly, constitute a pair of frame deflector coil, relevant in addition horizontal deflection coil also is divided into 2, each coil is wound into saddle type, to form a pair of horizontal deflection coil.On the interior lateral surface of the coil installing rack that these horizontal yokes and frame deflector coil are installed on is that be made of synthetic resin, that be divided into 2 parts, be called coil separator (coil separator), two deflecting coils are separated by the coil separator, position simultaneously.
Particularly, inboard at the coil separator of (front) side enlarged shape before the neck side direction, be provided with a pair of horizontal deflection coil, respectively bend containing section with what each bending (bend) portion that is arranged at this horizontal deflection coil neck side, toe lateral respectively was accommodated in the coil separator, horizontal deflection coil is kept and position limit.Frame deflector coil is by being arranged at the outside of coil separator at a pair of frame deflector coil of tubaeform coiling on every side of iron core, at decision bit postpone secured core, to constitute deflecting coil on the other hand.In addition, also developed the saddle type of the frame deflector coil no bending type of formation (bend-less type), after being installed on the bobbin lateral surface, the product of iron core has been installed in the periphery of this frame deflector coil.
In this occasion, the cone-shaped that the CRT of deflecting coil has been installed is circle, thereby the saddle type horizontal deflection coil that is installed on the deflection wire circle also is circle.
In addition, the coil separator that is made of insulator also has from small-bore the heavy caliber portion to the front side of neck side and becomes big round-shaped gradually, be assembled with a pair of horizontal deflection coil in the inboard of coil separator, be provided with a pair of frame deflector coil of on circular iron core, directly reeling in the outside.
On the other hand, in recent years, the cone-shaped of CRT develops to the square line of production, and the CRT coil portion is that square free-revving engine is to be the square deflection sensitivity that improves in order to make deflecting coil, becomes energy-saving (energy-saving type).Therefore the coil separator becomes big square configuration gradually as small-bore the heavy caliber portion to the front side from the neck side, be installed on the inside and outside horizontal deflection coil of this coil separator and frame deflector coil also as square saddle coil (owing to carry out tubaeform ground spiral in square occasion, frame deflector coil also is a saddle type), particularly the arranged outside at the vertical deflection coil of wire of saddle type has square iron core.
Coil shape at CRT is square, become under the situation of square saddle-shape vertical deflection coil, compare with the frame deflector coil of on the iron core of circle, reeling tubaeformly, on magnetic field forms, the degree of freedom is arranged, can apply the effect of more complicated for electron ray.
Moreover, in small-bore of the neck side of the coil separator of deflecting coil, take in the comb formula coil (comber coil) that electron ray site errors such as revising deflection aberration is used.Heavy caliber portion is provided with a plurality of magnet on the upper-lower position that is equivalent to the picture upper and lower sides to revise deflection.
Like this, the example in advance as the deflecting coil with deflection distortion correcting device discloses in the special fair 7-40473 communique of Japan.In this communique, put down in writing linear pattern (inlinetype) the color deflecting coil of correcting device with pincushion distortion that the picture at cathode ray tube occurs up and down, according to it, on the upper-lower position of funnel (funnel) side of deflecting coil, be provided with the 1st and revise magnet, on than the diagonal angle upper-lower position of diagonal, the 2nd correction magnet is set near the center Y-axis, to up and down by the 1st magnetic field of revising magnet, pincushion distortion is modified to straight line, the periphery of two ends up and down of pincushion distortion is modified to straight line by the 2nd magnetic field of revising magnet, its result, pincushion distortion up and down can be modified to distortion almost ideal linearity by these the 1st magnetic fields of revising magnet and the 2nd correction magnet.But in this communique, be not described in fully and use aforesaid square coil separator, in coil separator inboard square horizontal deflection coil is set, and under coil separator arranged outside has on the magnetic core in circle the direct occasion of the structure of the frame deflector coil of spiral, revises the method for the deflection distortion that deflecting coil occurs effectively.
Particularly with respect to square coil separator, in this coil separator inboard square horizontal deflection coil is set, and the frame deflector coil of spiral is arranged on the magnetic core in circle directly (with respect to square coil separator in coil separator arranged outside, being provided with is not square frame deflector coil, but the reason of frame deflector coil of circle is for reduce cost (cost reduction)) occasion of structure, when the deflection distortion that occurs being revised by deflecting coil, owing to use the frame deflector coil of flaring circle on magnetic field forms, not have the degree of freedom, effect for electron ray is simple, have can't with the corresponding problem of correction of various deflection distortion.
As mentioned above, in technology in the past, a kind of means that can revise the deflection distortion of all shapes that can not be revised by the coil group are not provided, particularly not have the deflecting coil of record formations such as the frame deflector coil of direct spiral is combined to revise the method for the deflection distortion of appearance about the coil separator by user (square) shape and square horizontal deflection coil with on the magnetic core of circle.
Summary of the invention
The objective of the invention is to address the above problem, provide a kind of can by by square horizontal deflection coil with on the magnetic core of circle directly the deflecting coil that constitutes of the combined grade of frame deflector coil of spiral revise the deflecting coil of distortion (hereinafter referred to as the horizontal line distortion) of horizontal line of the deflection distortion, particularly picture of appearance.
Being characterized as of deflecting coil of the present invention has the neck periphery that is installed on CRT, possesses from small-bore the coil installing rack to heavy caliber portion enlarged shape,
Remain in horizontal deflection coil and frame deflector coil in the aforementioned installing rack,
Be arranged at the heavy caliber portion upper and lower end parts of aforementioned coil installing rack respectively, have the pair of magnet of magnetic pole in X-direction,
Be used to revise aforementioned CRT picture top and the bottom about near the end horizontal line distortion, be arranged at each 3 of heavy caliber portion left and right end portions of aforementioned coil installing rack respectively, on Y direction, have 6 magnet of magnetic pole,
Among 3 magnet that in the left side of aforementioned heavy caliber portion and right part, are provided with respectively, the magnet that is positioned at central authorities with electron ray to the state effect that the inboard of picture X-direction pushes, be positioned at the state setting of magnet to act on the direction that electron ray is stretched to the outside of picture X-direction of both sides of the magnet of aforementioned central authorities.
According to the present invention, by each 3 ground of end about the heavy caliber portion of coil installing rack 6 magnet are set, can be arbitrarily and easily revise picture up and down about near the end horizontal line distortion.
Aforementioned 6 magnet are selected according to the horizontal line distortion tendency and the deformation position of CRT picture in the installation site of above-below direction.
Therefore, can revise on the picture which as required and partly change the position of magnet.
The size of aforementioned 6 magnet (at least one side of length and fineness degree) is selected according to the horizontal line distortion tendency and the degree of deformation of CRT picture.
In addition, the magnetic field intensity of aforementioned 6 magnet is selected according to the horizontal line distortion tendency and the degree of deformation of CRT picture.
Moreover the awl of aforementioned CRT (cone) is shaped as square, and the aforementioned levels deflecting coil has square saddle type, and aforementioned frame deflector coil has on the magnetic core of circle the tubaeform of direct spiral.
The above is for passing through to use square coil installing rack, the horizontal deflection coil of saddle type, on the circular magnet core directly the occasion of the flaring frame deflector coil of spiral, that the deflecting coil of favourable structure is revised the horizontal line distortion of generation on cost is effective especially.
Above-mentioned CRT is characterized as planar shaped CRT.Owing in planar shaped CRT, the horizontal line distortion takes place easily, the present invention is effective especially for revising this horizontal line distortion.
Moreover being characterized as of deflecting coil of the present invention has and is installed on neck periphery that cone-shaped is square CRT, possesses from small-bore the coil installing rack to heavy caliber portion enlarged shape,
Remain in horizontal deflection coil and frame deflector coil on the aforementioned coil installing rack,
Be arranged at the heavy caliber portion upper and lower end parts of aforementioned installing rack respectively, have the pair of magnet of magnetic pole in X-direction,
Be used to revise aforementioned CRT picture top and the bottom about near the end horizontal line distortion, be provided with 3 respectively in the heavy caliber portion left and right end portions of aforementioned coil installing rack, on Y direction, have 6 magnet of magnetic pole,
In 3 magnet on the left end that is arranged at aforementioned heavy caliber portion, be positioned at central authorities the 1st magnet magnetic pole towards with the magnetic pole of the 2nd, the 3rd magnet of the both sides that are positioned at the 1st magnet towards opposite,
In 3 magnet on the right-hand member that is arranged at aforementioned heavy caliber portion, towards opposite, the magnetic pole of magnetic pole and aforementioned the 4th magnet of the 5th, the 6th magnet that is positioned at the 4th magnet both sides is towards opposite in the magnetic pole of the 4th magnet of central authorities and aforementioned the 1st magnet,
The state effect of aforementioned the 1st, the 4th magnet so that electron ray is pushed to the inboard of picture X-direction, the aforementioned the 2nd, the 3rd and aforementioned the 5th, the 6th magnet with electron ray to the draw direction effect of the outside of picture X-direction.
The simple declaration of accompanying drawing
Fig. 1 is the stereogram of the deflecting coil of one embodiment of the invention.
Fig. 2 is the stereogram of the saddle type horizontal deflection coil that uses in the deflecting coil of Fig. 1.
Fig. 3 is near the X-Y sectional drawing of heavy caliber portion of the deflecting coil of Fig. 1.
Fig. 4 is the key diagram of the horizontal line distortion of CRT picture.
Fig. 5 is provided with figure for the magnet that uses in the deflecting coil of Fig. 1.
Fig. 6 is the Action Specification figure that the magnet of Fig. 5 is provided with.
Inventive embodiments
Followingly embodiments of the invention are described with reference to accompanying drawing.
Fig. 1 is the stereogram of the deflecting coil of one embodiment of the invention.In the occasion of present embodiment, the cone-shaped that the CRT of deflecting coil has been installed is square, thereby the saddle type horizontal deflection coil of installing on the deflecting coil also is illustrated in figure 2 as square.
The coil separator 21 that is made of insulator has small-bore square configuration that enlarges gradually to the heavy caliber portion of front side from the neck side, on the inboard of coil separator 21, be assembled into a pair of horizontal deflection coil 22 (only showing the coil 22a of the halfbody among a pair of coil 22a, the 22b among Fig. 2), the outside be provided with on the magnetic core 23 of circle a pair of tubaeform frame deflector coil 24 of directly reeling (24a, 24b).
For the deflection sensitivity of the deflecting coil 22 of improving the standard, as shown in Figure 2, electric wire is the shape (common name does not have bending shape) along the CRT shape by portion 221,222 as far as possible.Moreover symbol 223 is depicted as does not have the window of winding cables part.In addition, on the small-bore case 21a of portion of coil separator 21, be provided with the comb formula coil 25 (25a, 25b) that ray position errors such as revising deflection aberration is used, the terminal board 26 that carries out the connection of these coils 22,24,25 is arranged on the coil separator 21.Moreover, the heavy caliber case 21b of portion of coil separator 21 is roughly square, the bottom is provided with magnet 27a, 27b thereon, about portion's X-axis be provided with magnet 28a, 28b, simultaneously magnet 28a, the 28b position (pars intermedia of above-below direction) spaced apart on these X-axis relatively is provided with magnet 29a, 29b, 29c, 29d.Promptly, the direction pars intermedia is provided with magnet 29a on the magnet 28a on the X-axis of the right part of the heavy caliber case 21b of portion, thereunder magnet 29b is set to pars intermedia, the direction pars intermedia is provided with magnet 29d on the magnet 28b on the X-axis of the right part of the heavy caliber case 21b of portion, thereunder to pars intermedia magnet 29c is set.
Fig. 3 is near the X-Y sectional drawing of heavy caliber portion of the deflecting coil of Fig. 1.In this sectional drawing, be arranged at center rib 21c, 21c on the coil separator inwall towards the center outstanding on the inboard of square coil separator 21, as shown in Figure 2, halfbody coil 22a, the 22b of horizontal deflection coil 22 be arranged at respectively Y direction about.At section is the outside of the coil separator 21 of square shape, frame deflector coil 24a frame deflector coil 24, halfbody, the 24b that is formed in spiral on the circular magnetic core 23 be arranged at respectively Y direction about.Because being shaped as of inboard coil separator 21 is square, the frame deflector coil 24 in its outside be shaped as circle, between coil separator 21 and frame deflector coil 24, have the field (space) 30 of sky.
Relation according to horizontal deflection coil 22a, 22b and magnetic core 23, in their across corner (being shown XY among Fig. 3), horizontal deflection coil is nearest apart from magnetic core 23, on Y-axis, horizontal deflection coil is an occasion median on aforementioned XY portion and the Y-axis in the distance on the X-axis apart from magnetic core 23 farthest.Begin to heavy caliber portion from the pars intermedia of the tube axial direction of deflecting coil, the tendency of such distance relation strengthens gradually, the result, heavy caliber portion Distribution of Magnetic Field is pincushion (pin cushion) magnetic field, its result, especially as shown in Figure 4, horizontal line b, the c of picture above-below direction pars intermedia are shown in solid line, for become sliding shoulder (limp) state (E represents with symbol) (dotted line is not for sliding the desirable horizontal line of shoulder) near end about picture.
Fig. 5 shows the configuration of each magnet that is provided with in the heavy caliber portion of deflecting coil of Fig. 1 and the magnetic line of force of each magnet.Fig. 6 shows the active force (power of transverse direction H-M, and the power of above-below direction p-w) of the pole configuration of the magnet of following Fig. 5 to electron ray.The center of X-axis, Y-axis becomes the center of the heavy caliber case 21b of portion that is provided with magnet.
In Fig. 5 and Fig. 6,4 magnet 29a-29d are arranged on the above-below direction pars intermedia of holding about the heavy caliber portion of coil separator, in 4 magnet 29a-29d, the magnetic pole of the magnet 28a of magnetic pole on SN and X-axis with magnet 29a, 29b of heavy caliber portion right-hand member is provided with towards on the contrary towards NS, and the magnetic pole of the magnet 28b on NS and X-axis of the magnetic pole of magnet 29d, the 29c of heavy caliber portion left end towards SN towards the feature of setting on the contrary.
On the upper and lower side of the heavy caliber case 21b of portion of coil separator 21, be provided with a pair of magnet 27a, the 27b up and down that has magnetic pole NS, SN at directions X.The magnet 27a, the 27b that are arranged on the upper and lower side of the heavy caliber case 21b of portion set with near the size shape that does not produce the horizontal line distortion picture Y-axis especially.
In addition, magnet 28a, 28b and magnet 29a-29d end about the heavy caliber case 21b of portion of coil separator 21 respectively is provided with 3, for revise the CRT picture up and down about end horizontal line distortion usefulness the Y direction have magnetic pole about 6 magnet.About this among 6 magnet, each 2 magnet 28a of 1 about being provided with on the X-axis of end about the heavy caliber case 21b of portion, 28b is arranged at direction that electron ray is pressed into to the picture inboard of transverse direction (with the symbol H of Fig. 6, I represents), for on the Y direction, having magnetic pole SN, the magnet of NS, be arranged at the heavy caliber case 21b of portion about the end the above-below direction pars intermedia (upside in X-axis zone, the pars intermedia of downside) about each 4 magnet 29a-29d of 2 be with electron ray outside the picture of transverse direction draw direction (with the symbol J of Fig. 6, K and L, M represents) go up to be provided with have a magnetic pole NS, the magnet of SN.
As described later, magnet 28a on X-axis, near the zone of the magnet 29a-29d of 28b and above-below direction pars intermedia, because adjacent two magnet (28a and 29a), (28a and 29b), (28b and 29d), (28b and 29c) with the magnetic field (the symbol g1-g4 with Fig. 6 represents) of left and right directions with same direction magnetic line of force make electron ray up and down the effect that promotes of the picture outside of direction (with the symbol r of Fig. 6, s, t, u represents), can be on the strongest position, this left and right directions magnetic field (g1-g4) by making picture sliding shoulder (the symbol E with Fig. 4 represents) with the horizontal line distortion of the incompatible correction picture of position kissing of maximum.
Relevant horizontal line distortion, in other words, middle section at each magnet of magnet 29a-29d, owing to apply the electron ray power of the picture outside pushing direction of direction up and down in the X-axis side, give electron ray to the inboard power (symbol p, q, v, w with Fig. 6 represent) that promotes of picture in perimeter sides, need with according to the tendency of the horizontal line distortion of the pars intermedia of picture upper and lower side and above-below direction and size dimension (length and fineness degree etc.) and the installation site that the matched state of degree of deformation is selected magnet 29a-29d.Moreover distortion applies the effect that electron ray is promoted to the picture outside because magnet 28a, 28b on the X-axis are for the horizontal line of above-below direction pars intermedia, particularly at the correction of the horizontal line distortion of above-below direction pars intermedia, preferably is defined as large-size.
In Fig. 4, horizontal line a, the b of picture upper and lower side illustrates with straight line (not having distortion), but do not exert an influence for horizontal line a, b to upper and lower side this moment, needs size and the position of selected magnet 29a-29d.In experiment, for example use in the deflecting coil of color CRT at the wide screen television of 28 inches of our company, when each length of magnet 29a-29d is 13mm, the installation site can be out of shape E to the horizontal line that upper and lower side horizontal line a, b do not eliminate intermediate point on the above-below direction with exerting an influence for from X-axis 22 ° (with reference to Fig. 5) time.
In addition, in the above-described embodiment, deflecting coil to the horizontal line distortion that can revise square horizontal deflection coil and directly occur in the deflecting coil of the combined formation of frame deflector coil of spiral on the magnetic core of circle is illustrated, but the present invention is not limited to this, for circular horizontal deflection coil and on the magnetic core of circle the direct deflecting coil of the combined formation of frame deflector coil of spiral, or the deflecting coil of square horizontal deflection coil and the square combined formation of frame deflector coil all can be according to of the present invention, by large-diameter portion the distortion of magnet correction horizontal line is set at the coil installing rack.In addition, the present invention is that horizontal vertical is saddle type (saddle) altogether applicable to the spiral form of coil, and level is saddle type, vertically is tubaeform (half is tubaeform) that horizontal vertical is the various types of deflecting coil of loudspeaker (full-troidal) shape altogether.
According to the present invention as described hereinbefore, magnet is set by heavy caliber portion at the coil installing rack, easy deflection distortion to taking place on the CRT picture, particularly the horizontal line distortion is revised.In deflecting coil, even use the occasion for example in the formation in magnetic field, do not have the flaring deflecting coil of the degree of freedom, also can according to of the present invention, revise the horizontal line distortion by magnet is set.
Claims (7)
1. a deflecting coil is characterized by, and comprising:
Be installed on the neck periphery of CRT, possess from small-bore coil installing rack to heavy caliber portion enlarged shape,
Remain in horizontal deflection coil and frame deflector coil in the aforementioned installing rack,
Be arranged at respectively aforementioned coil installing rack heavy caliber portion upper and lower end parts, have the pair of magnet of magnetic pole in X-direction,
Be used to revise aforementioned CRT picture top and the bottom about near the end horizontal line distortion, be arranged at each 3 of heavy caliber portion left and right end portions of aforementioned coil installing rack respectively, on Y direction, have 6 magnet of magnetic pole,
Among 3 magnet that in the left side of aforementioned heavy caliber portion and right part, are provided with respectively, the magnet that is positioned at central authorities with electron ray to the state effect that the inboard of picture X-direction pushes, be positioned at the state setting of magnet to act on the direction that electron ray is stretched to the outside of picture X-direction of both sides of the magnet of aforementioned central authorities.
2. according to the described deflecting coil of claim 1, it is characterized by, the installation site of the above-below direction of aforementioned 6 magnet is selected according to the horizontal line distortion tendency and the deformation position of CRT picture.
3. according to the described deflecting coil of claim 1, it is characterized by, the size of aforementioned 6 magnet (at least one side of length and fineness degree) is selected according to the horizontal line distortion tendency and the degree of deformation of CRT picture.
4. according to the described deflecting coil of claim 1, it is characterized by, the magnetic field intensity of aforementioned 6 magnet is selected according to the horizontal line distortion tendency and the degree of deformation of CRT picture.
5. according to each described deflecting coil of claim 1 to 4, it is characterized by, the cone-shaped of aforementioned CRT is square, and the aforementioned levels deflecting coil has square saddle type, and aforementioned frame deflector coil has on the magnetic core of circle the tubaeform of direct spiral.
6. according to each described deflecting coil of claim 1 to 4, it is characterized by, aforementioned CRT is planar shaped CRT.
7. deflecting coil is characterized by: comprising:
Be installed on cone-shaped and be the neck periphery of square CRT, possess from small-bore coil installing rack to heavy caliber portion enlarged shape,
Remain in horizontal deflection coil and frame deflector coil on the aforementioned coil installing rack,
Be arranged at respectively aforementioned coil installing rack heavy caliber portion upper and lower end parts, have the pair of magnet of magnetic pole in X-direction,
Be used to revise aforementioned CRT picture top and the bottom about near the end horizontal line distortion, be provided with 3 respectively in the heavy caliber portion left and right end portions of aforementioned coil installing rack, on Y direction, have 6 magnet of magnetic pole,
In 3 magnet on the left end that is arranged at aforementioned heavy caliber portion, be positioned at central authorities the 1st magnet magnetic pole towards with the magnetic pole of the 2nd, the 3rd magnet of the both sides that are positioned at the 1st magnet towards opposite,
In 3 magnet on the right-hand member that is arranged at aforementioned heavy caliber portion, the 4th magnet that is positioned at central authorities and the magnetic pole of aforementioned the 1st magnet be towards opposite, and the magnetic pole of magnetic pole and aforementioned the 4th magnet of the 5th, the 6th magnet of both sides that is positioned at the 4th magnet is towards opposite,
The state effect of aforementioned the 1st, the 4th magnet so that electron ray is pushed to the inboard of picture X-direction, the aforementioned the 2nd, the 3rd and aforementioned the 5th, the 6th magnet with electron ray to the draw direction effect of the outside of picture X-direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP255077/2001 | 2001-08-24 | ||
| JP2001255077A JP2003068229A (en) | 2001-08-24 | 2001-08-24 | Deflection yoke device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1404094A true CN1404094A (en) | 2003-03-19 |
| CN1233016C CN1233016C (en) | 2005-12-21 |
Family
ID=19083116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011439254A Expired - Fee Related CN1233016C (en) | 2001-08-24 | 2001-12-26 | Deflecting coil |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2003068229A (en) |
| KR (1) | KR100439637B1 (en) |
| CN (1) | CN1233016C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117731966A (en) * | 2023-12-19 | 2024-03-22 | 中山大学 | Nested saddle-shaped scanning magnet for flash-discharge treatment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0740473B2 (en) * | 1989-02-01 | 1995-05-01 | 株式会社村田製作所 | In-line type color deflection yoke device |
| KR950001333Y1 (en) * | 1989-08-31 | 1995-02-27 | 삼성전기 주식회사 | Convergence correcting apparatus of deflection yoke |
| JPH06223743A (en) * | 1993-01-21 | 1994-08-12 | Murata Mfg Co Ltd | Deflection yoke |
| JP2001015046A (en) * | 1999-06-28 | 2001-01-19 | Mitsubishi Electric Corp | Deflection yoke |
| JP2003059427A (en) * | 2001-08-08 | 2003-02-28 | Matsushita Electric Ind Co Ltd | Color picture tube device |
-
2001
- 2001-08-24 JP JP2001255077A patent/JP2003068229A/en active Pending
- 2001-12-26 CN CNB011439254A patent/CN1233016C/en not_active Expired - Fee Related
-
2002
- 2002-01-10 KR KR10-2002-0001505A patent/KR100439637B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR100439637B1 (en) | 2004-07-14 |
| JP2003068229A (en) | 2003-03-07 |
| KR20030017299A (en) | 2003-03-03 |
| CN1233016C (en) | 2005-12-21 |
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