JP3941215B2 - Surveyor and point setting method - Google Patents

Surveyor and point setting method Download PDF

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Publication number
JP3941215B2
JP3941215B2 JP10641498A JP10641498A JP3941215B2 JP 3941215 B2 JP3941215 B2 JP 3941215B2 JP 10641498 A JP10641498 A JP 10641498A JP 10641498 A JP10641498 A JP 10641498A JP 3941215 B2 JP3941215 B2 JP 3941215B2
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Japan
Prior art keywords
target
left
direction
light emission
light
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Expired - Lifetime
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JP10641498A
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JPH11304465A (en
Inventor
勝 堀越
陽子 福田
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株式会社ニコン
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Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a surveying instrument and a point setting method for setting a point at a predetermined coordinate position, and more particularly, to a surveying instrument and a point setting method for transmitting movement information in the left and right direction and the front and rear direction to a target side operator by a guide light. .
[0002]
[Prior art]
When performing pile driving work in construction work or the like, a surveying work is performed in which a point of the pile driving position is set using a surveying instrument. In this surveying work, for example, a target-side worker moves to a position where a point is set in accordance with an instruction from a surveyor-side worker, and sets a point such as a heel at that position. As a surveying instrument in this case, a total station or the like that projects light toward a target to perform distance measurement and angle measurement is used.
[0003]
Conventional surveying work is performed in the following procedure. First, an operator on the surveying instrument collimates the direction in which points should be set by the surveying instrument. That is, the coordinate position where the point is to be set is input to the surveying instrument in advance, and information on its direction and distance is displayed. Based on this display, the collimating telescope of the surveying instrument is in the direction of the coordinate position. Turn to.
[0004]
In this case, the collimation direction of the surveying instrument is often different from the direction in which the worker with the target is present. Further, when setting one point after setting one point in the surveying work, the worker on the target side often cannot immediately determine in which direction the target should be moved.
[0005]
Therefore, the surveyor-side worker tells the target-side worker, using gestures, cues, flags, radios, or the like, which direction to move to the target-side worker.
[0006]
The target-side worker moves in the collimation direction of the surveying instrument in accordance with an instruction such as a gesture of the surveying-side worker. When the target operator enters the collimation field of the surveying instrument, the target operator can see the guide light emitted from the collimator device attached to the surveying instrument.
[0007]
The collimator device has, for example, a collimator lens and two light sources having different light emission periods provided at substantially focal positions of the collimator lens. The guide light emitted from the two light sources and projected from the collimator lens is projected to the target side as light divided into two left and right regions on the vertical plane including the optical axis of the collimator lens.
[0008]
Since the collimator device is arranged in parallel in the vertical plane including the optical axis for distance measurement, which is the collimation line of the surveying instrument, the boundary between two regions having different light emission periods of the guide light is viewed in the horizontal plane of the surveying instrument. It becomes a quasi direction. The operator on the target side visually confirms this boundary and moves the target onto the collimation line.
[0009]
After the target is moved on the line of sight, distance measurement is performed by the surveying instrument. The surveying instrument compares the distance to the target obtained by the distance measurement and the distance that should be set in advance, the movement information in the front-rear direction from the current position of the target, and the light emission cycle of the guide light. Communicate by changing.
[0010]
For example, the worker on the target side moves forward when the light emission period of the guide light is long, and moves backward when the light emission period is short. The point is set by moving the target to the position where the point is to be set by these means.
[0011]
[Problems to be solved by the invention]
However, when an operator on the surveying instrument conveys movement information in the left-right direction to an operator on the target side, gestures, cues, flag signals, and the like are complicated and cannot be accurately instructed.
[0012]
In addition, when the surveyor-side and target-side workers carry radio equipment, etc. and transmit movement information using the radio equipment, etc., not only is it inconvenient to carry, but the target-side workers can use reflective prisms, etc. A radio device or the like must be operated with the target held, and workability is reduced.
[0013]
Further, since the surveying instrument is collimated in the direction in which the point is set, when the target operator is not within the collimation field of the surveying instrument, the guide light of the collimator device is viewed from the target operator. I can't. Therefore, every time the surveyor-side worker collimates different point directions, the target-side worker is guided within the collimation field of the surveying instrument by a gesture or the like. That is, since the movement information in the left-right direction is transmitted in two stages, such as a gesture and the guide light of the collimator device, man-hours are increased and work efficiency is reduced.
[0014]
That is, since the operator on the side of the target first moves left and right, and then moves back and forth in two steps, it takes a long time to reach the target point position.
[0015]
Therefore, the present invention can easily and accurately guide the left and right directions toward the point position of the target-side worker, and can further guide the target-side worker to the point position in a short time. An object is to provide a machine and a point setting method.
[0016]
[Means for Solving the Problems]
In the surveying instrument that sets a point at a predetermined coordinate position, the above object has a measuring unit that measures an angle and a distance to a target, and a light projecting unit that projects guide light toward the target. The coordinate position and the angle and distance to the target measured by the measuring means are compared, the front and rear and / or the left / right direction to move the target toward the coordinate position is obtained, and the guide light is guided according to the direction. This is achieved by providing a surveying instrument characterized by changing.
[0017]
According to the surveying instrument of the present invention, it is possible to guide the operator on the target side to the point position by giving movement information in the back and forth and / or left and right directions by the guide light of the surveying instrument. Since no gestures or cues are required, the construction work can be performed efficiently. In addition, a portable object such as a receiver is not required for the surveying work, and the target operator can quickly move to the point setting position.
[0018]
In addition, in the point setting method for setting a point at a predetermined coordinate position, the object is to measure the angle and distance to the target, and from the coordinate position and the measured angle and distance to the target, the coordinate position The left-right direction and / or the front-rear direction in which the target is to be moved toward the front is determined, and according to the left-right direction, one of the left and right areas corresponding to the direction in which the target is to be moved is defined as the first light emission period, and the opposite direction The other region corresponding to the second light emission period is set as a second light emission period, and guide light having a different first light emission period corresponding to the front-rear direction in which the target should be moved is projected toward the target. And achieving the point setting method characterized by guiding the target toward the coordinate position. .
[0019]
According to the point setting method of the present invention, the operator on the target side can simultaneously acquire not only the left and right direction but also the movement information in the front and rear direction by the guide light. Installation work can be performed efficiently.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings. However, such an embodiment does not limit the technical scope of the present invention.
[0021]
FIG. 1 is a block diagram showing a basic configuration of a surveying instrument according to an embodiment of the present invention. The surveying instrument main body 1 includes a ranging light projecting unit 4 that projects the ranging light L1 toward the target 8, a ranging light receiving unit 5 that receives the ranging light L1 reflected by the target 8, and a surveying instrument main body. The distance measuring light projecting unit 4 and the distance measuring light receiving unit 5 have an encoder unit 7 for measuring the angle of the collimating direction of a collimating telescope (not shown) provided with the optical axis direction matched. Further, the target 8 includes a reflecting prism 11 that reflects in the same direction as the direction in which the distance measuring light L1 is incident.
[0022]
The ranging light receiving unit 5 obtains the distance to the target 8 from the difference between the phase of the projected ranging light L1 and the phase of the received ranging light L1, and outputs the ranging data signal S3 to the control unit 2. . The encoder unit 7 collimates the target 8 with the telescope, and outputs an angle data signal S2 indicating the direction of the target 8 to the control unit 2.
[0023]
Further, the surveying instrument main body 1 is provided with an input unit 3 such as a keyboard, and a coordinate position where a point is to be set is input. The input unit 3 outputs the input coordinate position data S1 to the control unit 2. In addition, when the coordinate position which should set a point is memorize | stored in the memory card etc. which are not shown in figure, the coordinate position data can also be input into the control part 2 via the input part 3 or directly.
[0024]
The control unit 2 calculates the coordinate value of the target 8 from the distance measurement data signal S3 and the angle data signal S2, and compares it with the coordinate position data S1, which is design value data of the position where the point is set. Based on the comparison result, a guide light signal S4 for guiding the target 8 to a position where a point is set is generated.
[0025]
The guide light signal S4 is input to the guide light projector 6 described later in detail. The guide light projector 6 projects the guide light L2 from the collimator lens 10 toward the target 8. The optical axis of the guide light L2 is in the same vertical plane as the optical axis of the distance measuring light L1 projected from the distance measuring light projector 4, and is parallel to each other.
[0026]
The operator with the target 8 acquires the movement information of the front, rear, left and right by looking at the guide light L2, and moves to the position where the point is set.
[0027]
FIG. 2 is a schematic view of the optical system of the guide light projector 6 according to the embodiment of the present invention as viewed from above the surveying instrument. The guide light projecting unit 6 is provided with a collimator lens 10, and a triangular prism 20 is disposed so that a ridge line coincides with a vertical plane (perpendicular to the paper surface) including the optical axis 21.
[0028]
The reflecting surfaces 22 and 23 of the triangular prism 20 face the direction of the collimator lens 10 and are inclined at an equal angle in the direction opposite to the optical axis 21. The light source A is disposed at the focal position of the collimator lens 10 reflected by the reflecting surface 22, and the light source B is disposed at the focal position of the collimator lens 10 reflected by the reflecting surface 23.
[0029]
Therefore, the light emitted from the light source A is reflected by the reflecting surface 22 of the triangular prism 20 and is projected from the collimator lens 10 toward the target 8. The light emitted from the light source A occupies a region A that is a right half when the direction of the target 8 is viewed from the surveying instrument of the guide light L2.
[0030]
On the other hand, the light emitted from the light source B is reflected by the reflecting surface 23 of the triangular prism 20 and is projected from the collimator lens 10 toward the target 8. The light emitted from the light source B occupies a region B that is the left half when the direction of the target 8 is viewed from the surveying instrument of the guide light L2.
[0031]
The light source A and the light source B are light-emitting elements such as light-emitting diodes having the same or different emission colors, and can be continuously lit, blinked, or changed in light-emission cycle by the guide light signal S4 generated by the control unit 2 shown in FIG. Done.
[0032]
FIG. 3 is a sectional view of the guide light L2 according to the embodiment of the present invention as viewed from the target side. Areas A and B are areas projected from the light sources A and B shown in FIG. 2, respectively, and the area A is seen on the left side and the area B is seen on the right side from the target side operator.
[0033]
In order to transmit the movement information in the left-right direction and the front-rear direction by changing the light emission period of the area A and the area B, for example, the following is performed. That is, in order to transmit the movement information in the left-right direction, the area in the direction in which the target 8 should move is blinked with the light emission period a, and the reverse area is continuously lit (the light emission period is infinite).
[0034]
When the area A blinks with the light emission period a and the area B appears to be continuously lit as seen from the target side operator, it needs to move to the left in order to approach the point setting position.
[0035]
On the other hand, when the area B blinks with the light emission period a as viewed from the target side operator and the area A appears to be continuously lit, it needs to move to the right to approach the point setting position.
[0036]
Then, when the operator on the target side moves according to the instruction of the guide light L2, and the collimating line direction of the surveying instrument and the target direction match, the area A and the area B appear to blink alternately with the light emission period a. As a result, the operator on the target side can recognize that the collimation line direction matches the target direction.
[0037]
On the other hand, in order to transmit the movement information in the front-rear direction by the guide light L2, the light emission period a is changed. For example, when the target 8 is to be moved backward, the light emission cycle a is maintained, and when the target 8 is to be moved forward, the light emission cycle b is different from a. When the target position matches the point setting position, the light emission period c is different from a and b.
[0038]
As described above, the movement information in the left-right direction is transmitted by blinking one of the areas A and B and continuously lighting the other, and the movement information in the front-rear direction varies the light emission cycle for blinking the area A or the area B. To communicate. Therefore, the operator on the target side can recognize the left and right and front and rear directions to which the target 8 should be moved at a time only by looking at the blinking direction of the guide light and the light emission period of the blinking. It can move to the set position.
[0039]
FIG. 4 is a detailed explanatory diagram of transmission of front / rear / left / right movement information in the embodiment of the present invention.
[0040]
First, the case where the rearward movement is required because the target 8 is closer to the point setting position (column a) will be described. In this case, there are a case where a leftward movement is required (column b) and a case where a rightward movement is required (column c).
[0041]
When the target 8 needs to move to the left (column b), the area A on the left side of the guide light as viewed from the target side operator blinks at the light emission period a (for example, 10 Hz), and the area B on the right side is continuously lit. To do. On the other hand, when the target 8 needs to move to the right (column c), the area B on the right side of the guide light blinks at the light emission period a (10 Hz), and the area A on the left side is continuously lit.
[0042]
Therefore, if the left side area A or the right side area B blinks at 10 Hz and the other area is continuously lit, the target side operator needs to move in the blinking left or right direction, It can be recognized that a backward movement is also required (a column).
[0043]
Next, the case where the target 8 needs to move forward because the target 8 is far from the point setting position (column d) will be described. Also in this case, there are a case where movement to the left is required (e column) and a case where movement to the right is required (f column).
[0044]
When the target 8 needs to move to the left (column e), the area A on the left side of the guide light as viewed from the operator on the target side blinks at the light emission period b (for example, 3 Hz), and the area B on the right side is continuously lit. To do. On the other hand, when the target 8 needs to move to the right (column f), the area B on the right side of the guide light blinks at the light emission period b (3 Hz), and the area A on the left side is continuously lit.
[0045]
Therefore, if the left side area A or the right side area B blinks at 3 Hz and the other area is continuously lit, the worker on the target side needs to move in the blinking horizontal direction and move forward. Can be recognized (column d).
[0046]
Next, the case where the left and right direction of the target 8 matches the point setting direction (column i) will be described. In this case, there are a case where a backward movement is required (column g) and a case where a backward movement is required (column h).
[0047]
When the target 8 needs to move backward (column g), the left area A and the right area B of the guide light blink alternately at 10 Hz. On the other hand, when the target 8 needs to move forward (column h), the left area A and the right area B of the guide light blink alternately at 3 Hz.
[0048]
Therefore, if the left side area A and the right side area B are alternately flashing at 10 Hz or 3 Hz, the operator on the target side can recognize that the horizontal direction is the same but the movement in the front-rear direction is required. .
[0049]
Next, the case where the front-rear direction of the target 8 matches the point setting position (column j) will be described. In this case, there are a case where movement to the left is required (k column) and a case where movement to the right is required (column l).
[0050]
When the target 8 needs to move to the left (column k), the area A on the left side of the guide light as viewed from the operator on the target side blinks at a light emission period c (for example, 1 Hz), and the area B on the right side is continuously lit. To do. On the other hand, when the target 8 needs to move to the right (column 1), the area B on the right side of the guide light blinks at the light emission period c (1 Hz), and the area A on the left side is continuously lit.
[0051]
Therefore, if the left area A or the right area B blinks at 1 Hz, the target operator can recognize that the front-rear direction coincides but the movement in the left-right direction is required.
[0052]
FIG. 5 is a timing chart showing a case where the target position matches the point setting position in the embodiment of the present invention. After the area A of the guide light blinks at a cycle of 1 second as shown in FIG. 5 (1), the area B blinks at a cycle of 1 second as shown in FIG. 5 (2). While one area is blinking, the other area is continuously lit. In this way, the operator on the target side can recognize that the target position matches the point setting position by seeing the areas A and B blink alternately twice.
[0053]
As described above, in this embodiment, the movement information of the front, rear, left and right can be transmitted by changing the light emission period of the area A and the area B of the guide light, and the operator on the target side can quickly move to the point setting position. Can do.
[0054]
FIG. 6 is an explanatory diagram of the guide light viewed from the target side in the present embodiment. FIG. 6 shows the plurality of guide lights shown in FIGS. 4 and 5 arranged when viewed from the target side. The operator on the target side looks at the guide light projected from the surveying instrument and moves to the point setting position as follows.
[0055]
The operator on the target side recognizes a shift in the left-right direction by blinking one of the areas A and B of the guide light. That is, if one area of the guide light blinks at 10 Hz, 3 Hz, or 1 Hz and the other area is continuously lit, the point setting position can be determined by moving the target side worker in the direction of the blinking area. The amount of deviation with respect to the direction decreases. When the left and right direction of the target 8 coincides with the point setting direction, the area A and the area B of the guide light blink alternately at 10 Hz, 3 Hz, or 1 Hz.
[0056]
On the other hand, the operator on the target side recognizes the shift in the front-rear direction based on the light emission period of the area A or the area B of the guide light. That is, if the area A or the area B is blinking at 10 Hz, it is necessary to move backward, and if it is blinking at 3 Hz, it is necessary to move forward. When the front-rear direction of the target 8 coincides with the point setting position, the light emission period of the region A or the region B is 1 Hz.
[0057]
When the target position matches the point setting position according to the guide light, the left area A and the right area B blink alternately twice at 1 Hz as described above.
[0058]
As described above, in this embodiment, since the front / rear and left / right movement information can be simultaneously transmitted by the guide light, the target-side worker first moves in the direction to eliminate the front / rear deviation and then eliminates the left / right deviation. Alternatively, it may be moved in the direction to eliminate the left-right deviation first, and then moved in the direction to eliminate the front-back deviation. Furthermore, it is also possible to move in the direction in which the deviations in the front / rear and left / right directions are eliminated simultaneously, that is, in the licking direction. For this reason, the worker on the target side can quickly move to the point setting position according to the situation of the surveying work, and the work efficiency of the surveying work can be improved.
[0059]
FIG. 7 is a flowchart showing a point setting procedure in the embodiment of the present invention. The procedure of the surveying work will be described according to the flowchart.
[0060]
When measurement is started, first, design value data that is a coordinate position for setting a point is input in step S11. The design value data may be input directly from the keyboard of the surveying instrument, or may be input by connecting a memory card or the like in which design value data is stored in advance to the surveying instrument.
[0061]
Next, in step S12, a collimation step is performed in which the collimating telescope of the surveying instrument is directed to the target 8. That is, the surveying instrument is not directed in the point setting direction as in the prior art, but is directed in the target direction. Thereby, the operator on the target side can always see the guide light, and can accurately acquire the movement information of the front, rear, left and right.
[0062]
In step S13, the distance to the target 8 is measured by the surveying instrument, and the angle and distance data at which the target 8 is located are acquired. In step S14, the angle and distance data acquired in step S13 are converted into coordinate value data. This is because the design value data input in step S11 is coordinate value data, so that comparison with it is easy.
[0063]
In step S15, the coordinate value data of the target 8 converted in step S14 is compared with the design value data for setting points. If there are different values, the process proceeds to step S16, and if all values are the same, the process proceeds to step S18. .
[0064]
In step S16, forward / backward / left / right movement information is transmitted to the target-side worker by the guide light. An example in which the guide light includes four types of movement information of left and right and front and rear is as described above.
[0065]
In step S17, the operator on the target side moves the target 8 in the direction of the point setting position by looking at the front / rear and left / right movement information by the guide light. As described above, the target-side worker can acquire the front / rear / left / right movement information by the guide light, and can thus move directly to the point setting position. That is, it is not necessary to go through the two steps of moving in the front-rear direction after moving in the left-right direction.
[0066]
When the target 8 moves, the surveyor-side worker collimates the target 8 again (step S12), and acquires angular distance data of the target 8 (step S13). Then, Steps S12 to S17 are repeated until the coordinate value data of the target 8 matches the design value data for which the point is to be set.
[0067]
If the coordinate value data of the target 8 matches the design value data to set the point, in step S18, the fact that the coordinate value data matches the design value data is transmitted to the target side operator by the guide light. In this transmission method, as described above, the guide light may blink at a specific light emission period, or the emission color of the guide light may be changed to a specific color.
[0068]
When the setting of one point is completed in step S18, the process proceeds to step S11 to set the next point.
[0069]
In addition, the light emission period when transmitting the front / rear / left / right movement information by the guide light is not limited to the above-described embodiment, and may be any as long as the four types of movement information can be distinguished. It is also possible to transmit front / rear / left / right movement information by changing the emission colors of the areas A and B of the guide light.
[0070]
Further, the control unit 2 obtains the distance by which the target 8 should be moved in the left-right and / or front-rear direction from the coordinate position and the distance and angle to the target 8 obtained by the measuring means. And the guide light signal S4 which makes the light sources A and B light-emit with a different period or pattern according to the distance can also be produced | generated.
[0071]
For example, when the distance to which the target 8 should be moved is equal to or greater than a predetermined value, a light emission pattern in which the light emission at 10 Hz or 3 Hz pauses for a short time every predetermined time can be obtained. Needless to say, instead of changing the light emission pattern, the light emission period may be changed to be distinguishable from others.
[0072]
By doing so, the target-side worker can know the degree of the distance to which the target 8 should be moved, and can move to the point setting position in a shorter time.
[0073]
【The invention's effect】
As described above, according to the present invention, the operator on the target side can acquire the movement information of the front, rear, left, and right simply by looking at the guide light of the surveying instrument, so that the surveying work can be performed efficiently.
[0074]
Further, according to the present invention, a portable object such as a receiver is not required for the surveying work and can be quickly moved to the point setting position, so that the work time in the surveying work can be shortened. In addition, the luggage to be carried can be reduced.
[Brief description of the drawings]
FIG. 1 is a block diagram of a surveying instrument according to an embodiment of the present invention.
FIG. 2 is an optical system of a guide light projector according to an embodiment of the present invention.
FIG. 3 is a view of the guide light according to the embodiment of the present invention as viewed from the target side.
FIG. 4 is an explanatory diagram of transmission of front / rear / right / left movement information according to an embodiment of the present invention.
FIG. 5 is a timing chart when the target matches the point setting position in the embodiment of the present invention.
FIG. 6 is an explanatory diagram of guide light viewed from the target side in the embodiment of the present invention.
FIG. 7 is a flowchart of a point setting procedure in the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Surveying instrument main body 2 Control part 3 Input part 4 Ranging light projection part 5 Ranging light receiving part 6 Guide light projection part 7 Encoder part 8 Target

Claims (6)

  1. In surveying instruments that set points at predetermined coordinate positions,
    Measuring means for measuring the angle and distance to the target;
    A light projecting means for projecting guide light toward the target,
    Comparing the angle and distance to the target measured by the measuring means and the coordinate position, toward the coordinate positions determined in the longitudinal direction and the left right direction to move the target, the front-rear direction and the lateral direction A surveying instrument that changes the guide light according to each of the above.
  2. In claim 1,
    The guide light has left and right regions with respect to the optical axis,
    Corresponding to the lateral direction and the longitudinal direction to move the target, surveying instrument, wherein the changing the light emission period of the left and right regions.
  3. In claim 2,
    The light emission of the left and right regions is a light emission of a first light emission cycle in a region corresponding to a direction in which the target is to be moved among the left and right directions, and the other light emission of a second light emission cycle.
    In response to the longitudinal direction, surveying instrument, wherein the first light emitting period are different.
  4. In claim 3,
    When the direction of the target coincides with the direction of the coordinate position, the left and right regions alternately emit light in the first or second light emission period,
    When the distance to the target coincides with the distance to the coordinate position, the left and right regions emit light in a third light emission period different from the first or second light emission period,
    The surveying instrument, wherein when the position of the target coincides with the coordinate position, the left and right regions alternately emit light in the third light emission period.
  5. In claim 3 or 4,
    The first or second light emission cycle is a light emission cycle that differs depending on a distance to which the target is to be moved, which is obtained from the coordinate position and the angle and distance to the target obtained by the measuring means. Surveyor.
  6. In the point setting method for setting a point at a predetermined coordinate position,
    Measure the angle and distance to the target,
    From the coordinate position and the measured angle and distance to the target, the left-right direction and / or the front-rear direction to move the target toward the coordinate position is determined,
    According to the left-right direction, one of the left and right areas corresponding to the direction in which the target should be moved is set as the first light emission period, the other area corresponding to the opposite direction is set as the second light emission period, and the target is moved. Corresponding to the front-rear direction to be performed, project guide light having a different first light emission period toward the target,
    A point setting method, wherein the target is guided toward the coordinate position.
JP10641498A 1998-04-16 1998-04-16 Surveyor and point setting method Expired - Lifetime JP3941215B2 (en)

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