JP5102081B2 - Microscope device, drive control device thereof, program - Google Patents

Description

  The present invention relates to an optical apparatus such as a microscope having a zoom lens and an inspection apparatus.

  At present, microscopes are widely used for biological processes as well as industrial inspection processes. A general microscope sets a desired observation magnification by switching a plurality of objective lenses having different magnifications at a fixed magnification and arranging them on the optical axis. Usually, a slide type or turret type revolver or the like is used as a switching device for switching the objective lens.

  In the case of these microscopes, the observation magnification that can be used is limited to the fixed magnification of each of the plurality of objective lenses held by the switching device, and thus a magnification that cannot be observed is inevitably generated. For this reason, there is known a microscope system that includes a plurality of fixed objective lenses, is equipped with a zoom optical system, and drives the zoom lens of the zoom optical system in the optical axis direction to interpolate the observation magnification.

  For example, Patent Document 1 discloses a microscope system that calculates an objective lens and zoom magnification according to a total magnification specified by a user and automatically drives the objective lens and zoom lens. Furthermore, here, when changing the observation magnification according to the user's instruction, the observation conditions such as the amount of light differ with the change in magnification, so it has a mechanism for correcting the observation conditions following the zooming operation of the zoom lens, A technique is disclosed that simplifies the operation for resetting the observation conditions in accordance with a change in magnification by controlling the observation light quantity to be constant or within a predetermined range in accordance with switching of the observation magnification. .

  The microscope system in Patent Document 2 first calculates the magnification of the objective lens based on the minimum magnification of the zoom lens according to the total magnification specified by the user, and further zooms based on the calculated magnification of the objective lens. A microscope system with high operability is disclosed in which the desired magnification is set by controlling each of the calculated magnification of the objective lens and the magnification of the zoom lens.

The technique as described above has been improved so as to eliminate the trouble and inconvenience of switching the objective lens and driving the zoom lens when changing the observation magnification.
JP 7-248450 A Japanese Patent Laid-Open No. 2004-4856

  Here, in a microscope system, a user generally specifies an observation magnification from an input unit such as a button on an operation unit or a GUI to change the zoom magnification. The zoom magnification is adjusted to an arbitrary magnification by driving the zoom lens of the zoom optical system in the optical axis direction by an actuator such as a stepping motor.

However, the conventional microscope system has the following problems.
That is, normally, when changing to a desired observation magnification by a user operation, the drive amount necessary to move the zoom lens from the current position to a position corresponding to the designated observation magnification according to the designated observation magnification. That is, the relative driving amount of the zoom lens is different. At this time, if the driving speed of the zoom lens is constant, the time required for driving the zoom lens according to the observation magnification to be changed, that is, the time required for switching the observation magnification is different. For this reason, the conventional microscope system cannot be said to have high operability when changing the observation magnification.

  In an electric microscope that electrically drives various optical element units including a zoom lens, the zoom lens is driven by designating an observation magnification by an input operation using a button on the operation unit or a GUI. In the conventional microscope system, the time required for switching the magnification of the observation image displayed on the display unit on the GUI after the button for switching the zoom magnification by the user's input operation is changed. That is, since it varies depending on the driving amount of the zoom lens, it cannot be said that the operability for the user is high. In addition, if the response of the microscope apparatus to the input operation varies depending on the conditions, the inspection efficiency is affected even in an inspection process such as a routine inspection.

  An object of the present invention is to provide a microscope apparatus capable of suppressing the time required for changing the observation magnification within a certain range and improving the operability of microscope observation in a microscope system including optical components such as a zoom lens, and drive control thereof. It is to provide a device, a program, and the like.

  The microscope apparatus of the present invention includes an optical component that moves in the optical axis direction, and a drive control unit that drives and controls the optical component in response to an arbitrary magnification change instruction. The drive control unit includes the magnification change instruction. Accordingly, the time required for driving the optical component in each magnification change is controlled to be within a certain range by changing the driving speed of the optical component according to the above.

  According to the microscope device of the present invention, its drive control device, program, and the like, when driving an optical component such as a zoom lens used in a microscope for changing the magnification, the time required for driving the optical component is constant. A microscope system with high operability can be provided by keeping it within the range.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a schematic configuration diagram of the entire microscope system of this example.
The illustrated microscope system includes a microscope 1 and a control PC (personal computer) 1014.

The microscope 1 is an apparatus that observes an optically magnified image of a sample 1002 mounted on a stage 1001.
The microscope 1 includes a light source unit 1003 for irradiating light to a sample 1002, an observation unit 1012, an objective lens (OB) 1004, a CCD camera 1013, a stage 1001 on which a sample is placed, and a zoom lens control unit 1009. The observation unit 1012 includes a zoom lens unit 1006, and further includes an observation optical system and an illumination optical system (not shown), and a light source unit 1003, an objective lens 1004, and a CCD camera 1013 are attached thereto.

  The light source unit 1003 has a light source (not shown) such as a halogen lamp, a xenon lamp, or an LED. The microscope 1 is provided with a focusing mechanism (not shown) that adjusts the relative distance by moving at least one of the stage 1001 and the observation unit 1012 in the optical axis direction of the objective lens 1004.

  The zoom lens control unit 1009 generally includes a CPU, a memory, and a motor driving unit 1010. The zoom lens control unit 1009 is connected to a control PC (personal computer) 1014 through a serial I / F (not shown), and drives the stepping motor 1005 according to a command from the control PC 1014. The detailed configuration of the zoom lens control unit 1009 will be shown later in FIG.

FIG. 2 shows a schematic configuration example of the zoom lens unit 1006 of this example.
The zoom lens unit 1006 in the illustrated example is driven to an arbitrary position around the optical axis to change the zoom magnification, a frame body 2001a that holds the zoom lens 2001, a zoom lens 2001, and a frame. A stepping motor 1005 for driving the body 2001a and a cam 2002 as a zooming mechanism for driving the zoom lens 2001 in accordance with the driving of the stepping motor 1005.

  Here, as shown in FIG. 3, the zoom magnification increases from the low magnification side to the high magnification side in a geometric series with a geometric ratio coefficient R = 2 (zoom magnification = 1 × → 2 × → 4). Double → 8 times → 16 times). The number of pulses of the stepping motor 1005 necessary for driving the zoom lens 2001 with a full stroke is 0 to 10,000 pulses, and the zoom lens 2001 can be scaled by being driven to a pulse position corresponding to each zoom magnification. It has a configuration.

  Here, the position (current position; pulse position) is a position determined by the number of pulses for driving the stepping motor 1005 (the position is not indicated by coordinates or distance).

  The zoom lens 2001 is set so that the 625 pulse position is 1 time the minimum magnification and the 10000 pulse position is 16 times the maximum magnification. The stepping motor 1005 is connected to the zoom lens control unit 1009 (its motor driving unit 1010). The stepping motor 1005 is driven by the excitation pattern current output from the zoom lens control unit 1009.

  The zoom lens 2001 is driven to the high magnification side when the stepping motor 1005 is driven in the CCW direction, and is driven to the low magnification side when driven in the CW direction. Further, the zoom lens unit 1006 is provided with a sensor 2003 such as a photo interrupter as detection means for initializing to a position of 1 × zoom which is a reference of the zoom magnification, and the frame 2001a is detected by the sensor 2003. A sensor light shielding unit 2004 that shields light is provided.

  When a normal cam is used, a change in zoom magnification increases with an exponential function with respect to driving of the zoom lens. On the other hand, when the cam 2002 as shown in FIG. 2 is used, that is, as shown in the figure, the cam groove is not uniform and the magnification is lower (lower side in the figure), the movement of the zoom lens 2001 per rotation. When the zoom lens is configured to be large, the zoom magnification can be linearly changed with respect to the driving amount of the zoom lens (as shown in FIG. 14B described later).

  Therefore, when the zoom magnification is configured to increase in the geometric series with the geometric ratio coefficient R = 2 as described above (as shown in FIG. 3), the pulse positions corresponding to these zoom magnifications are also as shown in FIG. Furthermore, it increases in a geometric series with a geometric ratio coefficient R = 2, such as 625 → 1250 → 2500 → 5000 → 10000.

FIG. 4 shows a configuration block diagram of the zoom lens control unit 1009.
The zoom lens control unit 1009 includes a command I / O 5004, a CPU 5001, a RAM 5002, a ROM 5003, a zoom lens I / O 5005, and a zoom lens driver 5006.

  The command I / O 5004 transmits and receives commands and the like with the control PC 1014. The CPU 5001 receives a command from the control PC 1014 via the command I / O 5004 to acquire a driving instruction (such as a driving direction to be described later) of the zoom lens 2001, and based on this, the driving speed V of the zoom lens 2001 is acquired. Then, drive data including the drive amount (pulse amount) and direction is generated, and this drive data is transmitted to the zoom lens I / O 5005. Accordingly, the zoom lens driver 5006 drives the stepping motor 1005.

The RAM 5002 is a memory that temporarily stores data necessary for controlling the system. The ROM 5003 stores a program necessary for controlling the system.
Thus, the CPU 5001 uses the programs and data stored in the ROM 5003 and RAM 5002 to perform system control processing (control processing of the zoom lens unit 1006; particularly processing shown in FIG. 7, FIG. 11, FIG. 13, or FIG. 17 described later). ).

  The zoom lens I / O 5005 stores the current position of the zoom lens 2001. When driving data (driving amount, direction, etc.) is received from the CPU 5001, the zoom lens I / O 5005 sends a pulse and rotation corresponding to the driving data to the zoom lens driver 5006. The direction is sent and the stepping motor 1005 is driven. When the driving is completed, the driving completion of the stepping motor 1005 is transmitted to the CPU 5001. The zoom lens driver 5006 is a driver that drives the stepping motor 1005.

  FIG. 5 is an example of the zoom magnification adjustment GUI 4001 displayed by the zoom magnification adjustment application in the control PC 1014. That is, it is an example of an operation screen by the user. Of course, this operation screen is displayed on a display (not shown) included in the control PC 1014.

  This zoom magnification adjustment GUI 4001 has zoom magnification adjustment buttons 4002 and 4003 for allowing the user to specify and input a desired zoom magnification, a zoom magnification display section 4004 for displaying the (current) zoom magnification being observed, and an image of the sample 1002 It is comprised by the image display part 4005 which displays.

  The zoom magnification adjustment buttons 4002 and 4003 are buttons for causing one (4002) to designate magnification up and the other (4003) to designate magnification reduction, and a zoom lens adjustment command corresponding to the designated / operated button is displayed in the zoom lens control unit. 1009.

  Here, the zoom up / down by zoom magnification adjustment buttons 4002 and 4003 can be designated. For example, when the current magnification is 4 times, either 2 times or 8 times can be designated. 16 times cannot be specified. In this example, when it is desired to specify 16 times, it is necessary to increase the magnification from 8 times by operating the button 4002 again after once making it 8 times with the button 4002.

FIG. 6 shows an LUT (table) 100 of the driving speed V of the zoom lens 2001 with respect to the current position (current magnification) of the zoom lens 2001.
As illustrated, the LUT 100 has a driving speed V103 when driving from the position to the low magnification side 104 and the high magnification side 105 in association with each current position (pulse position) 101 (and the current magnification 102). It is remembered.

  Here, as described above, the zoom magnification increases with a geometric series of a predetermined ratio coefficient R (here, R = 2) from the low magnification side to the high magnification side, so that the drive amount (pulse amount) becomes higher as the magnification becomes higher. Becomes larger. Therefore, if the driving speed V is made constant as in the prior art, the higher the magnification, the longer it takes. On the other hand, in this method, the driving speed V is set so as to increase as the current magnification increases, so that each driving speed V (v1, v2, v3, v4) shown in FIG. <v2 <v3 <v4.

The above setting condition is the minimum condition. In particular, in this method, the driving time is set within a certain range (may be completely constant) for any magnification change. For example, assuming that the driving amount (pulse amount) is N, for each predetermined driving time T, each driving speed is expressed by the following equation (1) T = N / V (1) V (v1 to v4) is obtained in advance, and this is set in the LUT 100 of the driving speed V as shown in FIG. That is, it may be considered that each of the driving speeds V (v1 to v4) is determined according to a driving amount (pulse amount) necessary for changing the magnification from each current magnification.

  Therefore, basically, if the drive amount (pulse amount) is the same, the drive speed V is also the same. For example, both in the case of increasing the magnification from 8 times to 16 times and in the case of reducing the magnification from 16 times to 8 times, both in the illustrated example, the driving speed V is v4 (both the pulse amount for driving is' Because it is 5000 'and the same).

  However, as described above, the present technique is such that the drive time is within a certain range for any magnification change, and the drive time does not necessarily have to be constant according to the above equation (1). If it is set so that the above-mentioned condition of v1 <v2 <v3 <v4 is satisfied, the driving time can be suppressed within a certain range. The same applies to other embodiments described later, and the drive speed V does not necessarily have to be determined using the above equation (1). Basically, the driving speed may be set to increase as the driving amount increases.

  6 is stored in, for example, the ROM 5003 (or may be stored in a RAM 5002 or a memory not shown in the CPU 5001), and the CPU 5001 executes, for example, the processing in FIG. Refer to LUT100.

FIGS. 5 and 6 show examples of GUI and LUT according to the first embodiment.
The operation of the microscope 1 of this example configured as described above will be described.
First, the light source unit 1003 shown in FIG. 1 introduces light into the observation unit 1012 when the power is turned on. Here, the light introduced into the observation unit 1012 is condensed on the sample 1002 by the objective lens (OB) 1004 through an illumination optical system (not shown) and the zoom lens unit 1006. The reflected light from the sample 1002 is imaged again on the light receiving element of the CCD camera 1013 via the objective lens (OB) 1004 and the observation unit 1012, and the user displays an image on the image display unit 4005 of the zoom magnification adjustment GUI 4001. An optical image of the sample 1002 can be observed.

  Here, when the power of the microscope 1 is turned on, an initialization operation is first performed. The CPU 5001 drives the stepping motor 1005 in the CW direction, drives the zoom lens 2001 to the low magnification side, and detects the zoom lens 2001 by the sensor 2003. Simultaneously with this detection, the CPU 5001 drives the stepping motor in the CCW direction to drive the zoom lens 2001 to the high magnification side, and stops the zoom lens 2001 at the 625 pulse position. Then, the current position of the zoom lens I / O 5005 is set to the 625 pulse position, and initialization is completed.

The zoom lens I / O 5005 is set not only at the time of initialization but always at that time after that.
After the initialization is completed, when the zoom magnification adjustment application of the control PC 1014 is activated, the application acquires current position information of the zoom lens 2001 from the zoom lens control unit 1009, and from this, the current zoom magnification is displayed as a zoom magnification display unit 4004. After the display, the zoom adjustment buttons 4002 and 4003 are brought into a pressable state. After the initialization is completed, the zoom lens 2001 is not driven below the 624 pulse position due to a software limit.

  When the user views the image on the image display unit 4005 of the zoom magnification adjustment GUI 4001 and decides to zoom in or zoom out to an arbitrary observation magnification, the user can press the zoom magnification adjustment button 4002 or 4003 to make it suitable for observation. The zoom magnification can be changed.

  When the user presses the zoom magnification adjustment button 4002 or 4003, a command for driving the zoom lens 2001 with the drive direction D as an argument is sent to the zoom lens control unit 1009 as follows.

MOVE RENS "Drive direction D"
The driving direction D is “high magnification side” when the button 4002 is operated, and “low magnification side” when the button 4003 is operated.

The processing operation of the CPU 5001 when receiving this command will be described using the flowchart shown in FIG.
FIG. 7 is a flowchart of zoom lens drive control processing according to the first embodiment.

  In the flowchart shown in the figure, Y means YES and N means NO. The same applies to other flowcharts. The command is received by the command I / O 5004.

  In FIG. 7, the CPU 5001 first acquires the current position X of the zoom lens 2001 from the zoom lens I / O 5005 (step 1). Next, the CPU 5001 acquires the drive direction D as the argument from the command I / O 5004 (step 2). Then, from the acquired current position X and driving direction D of the zoom lens 2001, the corresponding driving speed V is acquired from the LUT 100 (speed LUT 100) of the driving speed V shown in FIG. 6 as an example (step 3).

  In the example of FIG. 6, for example, when the current position X is “1250” and the driving direction D is “high magnification side”, the driving speed V = v2 is acquired. As described in FIG. 2, the rotation direction when the drive direction D is on the high magnification side is the CCW direction, and the rotation direction when the drive direction D is on the low magnification side is the CW direction.

If the driving direction D of the zoom lens is on the high magnification side (step 4 is Y), the CPU 5001 sets a value obtained by subtracting the current position X to the current position X multiplied by the ratio coefficient R to the relative driving amount N. Substitute (step 5). That is,
Relative drive amount N = (equal ratio coefficient R × current position X) −current position X
Is calculated.

Here, since the driving amount of the zoom lens increases in a geometric series with a geometric ratio coefficient R = 2, for example, in the above example,
Relative drive amount N = 1250 × 2-1250 = 2500-1250 = 1250
It becomes.

  Then, the CPU 5001 outputs the rotation direction CCW and the relative drive amount N (number of pulses) to the zoom lens I / O 5005 at the drive speed V based on the processing result described above (step 6). Accordingly, the zoom lens driver 5006 drives the zoom lens 2001 according to this output. When the driving is completed, the zoom lens I / O 5005 holds a new current position and transmits a zoom lens driving completion signal to the CPU 5001.

  Thus, the CPU 5001 waits until the zoom lens drive completion signal is received from the zoom lens I / O 5005 after executing the process of step 6, and when received (step 7 is Y), the process of this sequence is finished.

On the other hand, if the driving direction D of the zoom lens is on the low magnification side (step 4 is N), the CPU 5001 subtracts the value obtained by dividing the current position X by the equality coefficient R from the current position X to the relative drive amount N. Substitute (step 8). That is,
Relative drive amount N = current position X− (current position X ÷ equality ratio R)
Is calculated.

  Then, the CPU 5001 outputs the number of pulses of the driving direction CW and the relative driving amount N to the zoom lens I / O 5005 at the driving speed V based on the processing result described above (step 9). Thereafter, the process waits until a zoom lens drive completion signal is received from the zoom lens I / O 5005. If received (step 7 is Y), the processing of this sequence is finished.

The following effects can be obtained by the microscope 1 and the zoom lens control unit 1009 of the first embodiment described above.
That is, in the configuration in which the driving amount of the zoom lens is increased in a geometric series, if the driving speed of the zoom lens is constant, the required time differs and the zoom operation is troublesome, but depending on the zoom lens position (that is, depending on the driving amount). By changing the driving speed and keeping the time required for driving the zoom lens within a predetermined range, the troublesomeness of the zoom operation can be eliminated.

Further, since the time required for switching the observation image on the GUI can be made constant within a predetermined range as described above, the following merits arise.
That is, normally, when changing the zoom magnification with a large driving amount of the zoom lens (for example, changing from 8 times to 16 times), the time required for driving the zoom lens becomes long. Using the time required for changing the zoom magnification with a small zoom lens drive amount (when the amount of change in the zoom magnification is small) as a reference time, the time required for changing all zoom magnifications is within a predetermined range including this reference time. It is also possible to set the driving speed V so as to be (substantially the same as the reference time; or may be the same as the reference time). As a result, the time required for changing the zoom magnification with a large driving amount of the zoom lens is shortened, and the time for changing the zoom magnification can be shortened.

  This not only improves the operability of the microscope system, but also reduces the time required for inspection when used in inspection processes that require time reduction in units of seconds. Therefore, the efficiency can be improved.

In addition, in a manual microscope that manually operates the optical element unit, there is no problem because the user directly operates the zoom lens. However, in the case of an electric microscope, the optical unit in the electric microscope is driven in response to an input operation. It was difficult to determine whether or not it was completed, and it was difficult for the user to clearly determine whether or not the user was able to observe after the operation. On the other hand, by making the required time for changing the zoom magnification constant, coupled with the reduction of the required time as described above, the user can sensuously know whether or not the drive of the zoom lens has been completed. Thus, the operability is improved.
"Modification"
The amount of movement of the zoom lens of the first embodiment is increased by the geometric series of the predetermined geometric ratio R, but the geometric ratio R is limited to one value (R = 2 in the above example). Instead, a plurality of the ratio coefficient R may be set by the user arbitrarily.

  Further, the relative driving amount N of the zoom lens of the first embodiment is calculated by calculation from the current position X and the geometric ratio coefficient R. However, not only the driving speed V but also the relative driving amount N is added to the speed LUT 100 in FIG. May be registered and only the LUT 100 may be referred to.

  Alternatively, the driving speed V of the zoom lens of the first embodiment is determined by referring to the speed LUT 100, but an LUT having a relative driving amount N (not shown) is provided instead of the speed LUT 100. The driving speed V may be calculated based on the relative driving amount N obtained by referring to FIG. The LUT of the relative drive amount N (not shown) is a drive speed V registered in association with each relative drive amount N.

Next, a second embodiment will be described below. In this description, only parts different from the first embodiment will be described.
FIG. 8 shows an example of the zoom magnification in the second embodiment.

  In the first embodiment, the zoom magnification is increased by the geometric series of the geometric ratio coefficient R = 2 of 1, 2, 4, 8, and 16 times (hereinafter, these zooms are used). In the second embodiment, as shown in FIG. 8, not only these basic zoom magnifications, but also between these basic zoom magnifications (hereinafter, detailed zoom magnification). (For example, there are 4.76 times, 5.66 times, and 6.73 times between 4 times and 8 times). These are increased by a geometric series of geometric ratio coefficient R = 1.1892≈1.19.

  In the second embodiment, the driving method for changing the zoom magnification is a coarse motion that increases by a geometric series with a ratio coefficient R = 2 from the low magnification side to the high magnification side, and an equal ratio. There is a fine movement that drives by increasing in a geometric series with a coefficient R = 1.1892. Of course, not only the increase (magnification increase) but also the decrease (magnification reduction) is driven by coarse movement or fine movement.

That is, the second embodiment is an embodiment corresponding to a configuration in which the zoom magnification is changed by a plurality of the ratio coefficients R as described above.
Also in this embodiment, as in the first embodiment, the number of pulses of the stepping motor 1005 necessary for driving the zoom lens 2001 with a full stroke is assumed to be 0 to 10,000 pulses, and the zoom lens 2001 is zoomed. The zoom lens can be zoomed by driving to a pulse position corresponding to the magnification. The zoom lens 2001 is configured such that the 625 pulse position is 1 time the minimum zoom magnification and the 10000 pulse position is 16 times the maximum zoom magnification. The stepping motor 1005 is connected to the zoom lens control unit 1009. The stepping motor 1005 is driven by the excitation pattern current output from the zoom lens control unit 1009. Further, the zoom magnification changes to the high magnification side when the stepping motor 1005 is driven in the CCW direction, and changes to the low magnification side when driven in the CW direction.

  The zoom lens is configured to be movable to a pulse position (position of “basic zoom magnification”) determined by coarse movement even when driven by fine movement. For example, when fine movement driving is performed and the magnification is increased when the current position is 6.73, the magnification is 8 times (as described above, 8 times is the “basic zoom magnification”). If the magnification is further increased from here, it becomes 9.51 times.

FIG. 9 is an example of the zoom magnification adjustment GUI 7001 in the second embodiment displayed by the zoom magnification adjustment application in the control PC 1014.
This zoom magnification adjustment GUI 7001 includes zoom magnification rough movement adjustment buttons 7002 and 7003 for a user to give a magnification up / down instruction by coarse movement, and zoom magnification fine movement adjustment buttons 7004 and 7005 for a magnification up / down instruction by fine movement. The zoom magnification display unit 7006 displays the zoom magnification during observation, and the image display unit 7007 displays the image of the sample 1002.

  When the zoom magnification coarse motion adjustment button 7002 or 7003 is operated by the user, a drive instruction for coarse motion is transmitted to the zoom lens control unit 1009 as a zoom lens adjustment command. When the zoom magnification fine adjustment button 7004 or 7005 is operated by the user, a drive instruction for fine movement is transmitted to the zoom lens control unit 1009 as a zoom lens adjustment command.

FIG. 10 shows an example of the LUT with the driving speed V in the second embodiment.
The illustrated LUT 200 is an LUT of the driving speed V of the zoom lens 2001 with respect to the current position (current magnification) of the zoom lens 2001.

  As shown in FIG. 10, in the LUT 200 of the driving speed V in the second embodiment, first, the current position (pulse position) 201 includes not only the pulse position corresponding to the coarse movement as shown in FIG. There are each pulse position corresponding to the driving at.

  As in the case of FIG. 6, the driving speed V203 is registered for each of the low magnification side 204 and the high magnification side 205 in association with each current position 201. In the case of FIG. The driving speed V for coarse movement and fine movement is registered in 204 and the high magnification side 205, respectively. That is, the driving speed V is registered for each of the four types of coarse movement 206 on the low magnification side 204, fine movement 207 on the low magnification side 204, fine movement 208 on the high magnification side 205, and coarse movement 209 on the high magnification side 205. .

  For example, when the current position is 2500 (4 times magnification), the driving speed V is v24 for coarse movement 206 on the low magnification side 204, v8 for fine movement 207, and coarse movement 209 on the high magnification side 205, for example. V25 in the case of, and v9 in the case of the fine movement 208. In this example, v25> v24 and V9> v8.

  Here, the coarse motion corresponds to the operation in the first embodiment, and the geometric ratio coefficient R is 2. On the other hand, fine movement corresponds to an operation in which the ratio coefficient R is smaller than 2. Here, the ratio coefficient R = 1.1892≈1.19 as described above. Of course, it is not limited to this example.

  Also in this example, the zoom magnification increases from the low magnification side to the high magnification side in the geometric series of the geometric ratio coefficient R (however, there are two types of R = 2 and 1.19), so that fine movement and coarse movement When considered separately, in either case, the driving speed V increases as the current magnification increases. In addition, in the movement from the same position, since the relative driving amount N of the zoom lens is larger in the coarse movement than in the fine movement, the driving speed V is faster (the value is larger) in the coarse movement.

Thus, in the example shown in FIG.
v1 <v2 <v3 <,,, v14 <v15 <v16,
v1 <v17, v3 <v18, v3 <v19 ,,, v14 <v30, v15 <v31, v16 <v32
It is comprised so that.

  The specific setting method of each of the drive speeds V (v1 to v16, v17 to v32) is basically the same as in the case of the first embodiment, and the above equation (1) T = N / V Based on the above, it may be determined so that the driving time is within a certain range (may be completely the same) for any zoom magnification change. In this sense, the magnitude relationship between v17 to v32 is not a simple relationship like the above v1 to v16. This is because the pulse position has an upper limit / lower limit. For example, when coarse movement on the high-magnification side is performed at each of the pulse positions 7071 and 8409, in both cases, the movement moves to the upper limit pulse position 10000. Therefore, in this case, since the amount of movement in the former is larger than that in the latter, the relationship is v31> v32.

  In addition, the value of T in the above equation (1) may be the same value for fine movement and coarse movement, or may be different for fine movement and coarse movement. In the former case, the drive time is within a certain range (may be completely the same) in all zoom magnification changes regardless of fine movement and coarse movement.

  When the user looks at the image on the image display unit 7007 of the zoom magnification adjustment GUI 7001 and determines that the zoom is to be enlarged or reduced by coarse motion or fine motion, the zoom magnification coarse motion adjustment button 7002 or 7003 or the zoom magnification fine motion adjustment button 7004 is used. Alternatively, by pressing 7005, it is possible to change to a zoom magnification suitable for observation.

  When the user presses one of the four types of buttons 7002 to 7005, the driving direction D (high magnification side or low magnification side) of the zoom lens 2001 and the driving mode M (coarse movement or fine movement) are as follows. A command for driving the zoom lens 2001 is sent to the zoom lens control unit 1009.

MOVE RENS "Drive direction D", "Drive mode M"
The operation of the control unit CPU 5001 when receiving this command will be described with reference to the flowchart shown in FIG.

That is, FIG. 11 is a flowchart of zoom lens drive control processing according to the second embodiment. The command is received by the command I / O 5004.
First, the CPU 5001 acquires the current position X of the zoom lens 2001 from the zoom lens I / O 5005 (step 11). Next, the CPU 5001 acquires the driving direction D (high magnification side / low magnification side) of the zoom lens 2001 from the command I / O 5004 (step 12). Further, the CPU acquires the drive mode M (fine / coarse movement) of the zoom lens 2001 from the command I / O 5004 (step 13).

  If the drive mode M is coarse motion (step 14 is Y), the CPU 5001 assigns 2 to the ratio coefficient R (step 15). If the drive mode M is fine motion (step 14 is N), the CPU 5001 sets the ratio coefficient R to 1. 19 is substituted (step 16).

  Then, the CPU 5001 acquires the corresponding drive speed V from the speed LUT 200 shown in FIG. 10 based on the current position X, drive direction D, and drive mode M of the zoom lens 2001 acquired as described above (step 17).

If the driving direction D of the zoom lens 2001 is on the high magnification side (step 18 is Y), the CPU 5001 obtains a value obtained by subtracting the current position X from the value obtained by multiplying the current position X by the ratio coefficient R, and the relative driving amount N. (Step 9). That is,
Relative drive amount N = (Equality ratio coefficient R × current position X) −current position X
Is calculated.

  Next, the CPU 5001 outputs the number of pulses of the driving direction CCW and the relative driving amount N to the zoom lens I / O 5005 at the driving speed V (step 20). Thereafter, the process waits until a zoom lens drive completion signal is received from the zoom lens I / O 5005, and when received (step 21 is Y), the processing of this sequence ends.

On the other hand, if the driving direction D of the zoom lens is on the low magnification side (step 18 is N), the CPU 5001 subtracts the value obtained by dividing the current position X by the equality coefficient R from the current position X to the relative drive amount N. Substitute (step22). That is,
Relative driving amount N = current position X− (current position X ÷ equality ratio R)
Is calculated.

  Next, the CPU 5001 outputs the number of pulses of the driving direction CW and the relative driving amount N to the zoom lens I / O 5005 at the driving speed V (step 23). Thereafter, the process waits until a zoom lens drive completion signal is received from the zoom lens I / O 5005, and when received (step 21 is Y), the processing of this sequence ends.

The effects of the microscope of the second embodiment described above and its zoom lens control unit 1009 are as follows.
According to the second embodiment, the time when the zoom lens is driven with coarse movement and fine movement can be set within a predetermined range or constant.

  When the zoom lens is driven with coarse or fine movement, if the driving speed of the zoom lens is constant, the time required from when the user presses the zoom adjustment button on the GUI until the zoom magnification is switched is different and the zoom operation is troublesome. On the other hand, in the second embodiment, the same effect as in the first embodiment can be obtained even in the configuration in which the zoom lens is driven by coarse movement and fine movement. That is, the driving speed is changed according to the zoom lens current position, magnification up / down, and coarse / fine movement, and the time required for the zoom lens to be driven is kept within a predetermined range regardless of whether the movement is coarse or fine. Thus, the troublesome zoom operation can be eliminated.

Hereinafter, modifications of the second embodiment will be described.
Here, in the second embodiment, as described with reference to FIG. 8, not only the basic zoom magnifications such as 2 ×, 4 ×, and 8 ×, but also the detailed zoom magnifications between these basic zoom magnifications exist. . Here, a position corresponding to the basic zoom magnification is called a coarse movement position, and a position corresponding to the detailed zoom magnification is called a fine movement position.

  In the control of the LUT 200 in FIG. 10 and the flow in FIG. 11 according to the second embodiment, for example, when fine movement is performed from an arbitrary coarse movement position to shift to an arbitrary fine movement position, and then it is desired to return to the coarse movement position again. , It may take time. For example, fine movement is performed from the current position 201 in the LUT 200 shown in FIG. 10 being 1250 (2 times), and the magnification is changed from 1250 → 1487 → 1768, and the coarse movement position (for example, 2500; Even if it is desired to return to (4 times magnification), if coarse movement is instructed at this position (button 7003 is pressed), the processing of step 15 and step 19 is performed, so the relative drive amount N = 1768 and the movement destination is 3536. .

For this reason, in this case, it is necessary to instruct the fine movement twice from the fine movement position 1768, which is troublesome.
In the modification of the second embodiment described below, even if the current position is the fine movement position, it can be returned to the coarse movement position by a single operation.

  In this example (a modification of the second embodiment), the LUT 300 in FIG. 12 is used instead of the LUT 200 in FIG. Further, the control unit CPU 5001 executes the processing of the flowchart of FIG. Note that the GUI may be the same as in FIG. 9, and will be described with reference to FIG.

First, the LUT 300 shown in FIG. 12 will be described.
The LUT 300 in FIG. 12 is an LUT having a relative drive amount N and a drive speed V corresponding to each current position (pulse position) 301. In other words, the relative driving amount N for driving the zoom lens 2001 to the designated position and the driving speed V for keeping the driving time within a certain range are registered in association with each current position. It is.

  In the LUT 300 shown in FIG. 12, the driving directions (low magnification side 304, 306, high magnification side 305, 307) are associated with each current position 301 for each driving mode (fine movement 302, coarse movement 303). The driving speed V and the relative driving amount N are registered every time.

  The reason why not only the driving speed V but also the relative driving amount N is registered is that, as described above, in this example, when coarse movement is instructed, control is always performed so as to move to the coarse movement position. The relative drive amount N for realization is determined and registered in advance. For example, the relative drive amount N on the high-magnification side 307 of the coarse motion 303 corresponding to the current position 1487 is 1013 as an example, thereby driving to the coarse motion position of 1487 + 1013 = 2500 (4 times magnification). .

  In other words, for each current position X, if the coarse movement position to be moved according to the coarse movement instruction is P, N = PX on the high magnification side and N = XP on the low magnification side. The relative driving amount N can be obtained and registered in advance.

  From the above, the relative drive amount N related to fine movement is the same as the calculation result of step 19 or 22 when the ratio coefficient R = 1.19 regardless of whether the high magnification side or the low magnification side. In this sense, the relative drive amount N may be calculated without registering the fine movement in step 19 or 22, but here, the process of FIG. 13 is performed. Also, the relative drive amount N is registered for fine movement.

  As described above, in the LUT 300 of FIG. 12, the relative drive amount N related to the coarse movement is set so that the zoom lens is in the coarse movement position after driving even if the current position of the zoom lens 2001 is not the basic pulse position. Has been. Then, when a command is transmitted by the GUI of FIG. 9 as described in the second embodiment, the CPU 5001 obtains the current position from the zoom lens I / O 5005 and the “drive” from the command I / O 5004. The direction D "and" drive mode M "are acquired. The CPU 5001 can obtain the corresponding relative drive amount N and drive speed V from the LUT 300 in FIG. 12 based on the acquired information.

The operation on the GUI and the operation of the GUI in FIG. 9 are substantially the same as those in the second embodiment as follows.
That is, when the user views the image on the image display unit 7007 of the zoom magnification adjustment GUI 7001 and determines that the zoom is to be enlarged or reduced by coarse motion or fine motion, the zoom magnification coarse motion adjustment button 7002 or 7003 or the zoom magnification fine motion adjustment is performed. By pressing a button 7004 or 7005, it is possible to change to a zoom magnification suitable for observation.

  When the user presses one of the four buttons 7002 to 7005, a command for driving the zoom lens 2001 using the driving direction D and the driving mode M of the zoom lens 2001 as arguments as described below is zoom lens control. Part 1009.

MOVE RENS "Drive direction D", "Drive mode M"
The operation of the control unit CPU 5001 when receiving this command in this example (modified example of the second embodiment) will be described with reference to the flowchart of FIG.

FIG. 13 is a flowchart of zoom lens drive control processing according to a modification of the second embodiment. The command is received by the command I / O 5004.
The CPU 5001 first acquires the current position X of the zoom lens 2001 from the zoom lens I / O 5005 (step 31). Next, the CPU 5001 acquires the drive mode M of the zoom lens 2001 from the command I / O 5004 (step 32). Next, the CPU 5001 acquires the driving direction D of the zoom lens 2001 from the command I / O 5004 (step 33).

  The CPU 5001 acquires the corresponding relative drive amount N and drive speed V from the LUT 300 of FIG. 12 based on the information on the current position X, drive mode M, and drive direction D of the zoom lens 2001 acquired as described above ( step34).

  If the drive direction D is on the high magnification side (step 35 is Y), the CPU 5001 outputs the number of pulses of the drive direction CCW and the relative drive amount N to the zoom lens I / O 5005 at the drive speed V (step 36). Thereafter, the process waits until a zoom lens drive completion signal is received from the zoom lens I / O 5005. If received (step 37 is Y), the processing of this sequence is finished.

  On the other hand, if the drive direction D is on the low magnification side (step 35 is N), the CPU 5001 outputs the number of pulses of the drive direction CW and the relative drive amount N to the zoom lens I / O 5005 at the drive speed V (step 38). Thereafter, the process waits until a zoom lens drive completion signal is received from the zoom lens I / O 5005. If received (step 37 is Y), the processing of this sequence is finished.

  According to the modification of the second embodiment described above, in addition to the effects of the second embodiment, even when the current position is the fine movement position, the coarse movement position can be returned by a single operation. It is possible to reduce the trouble of the user.

  Note that both the processing of the second embodiment and the processing of the modification of the second embodiment may be performed. For example, in the above description, in the modification of the second embodiment, the zoom magnification coarse movement adjustment button 7002 or 7003 is operated at the fine movement position to return to the coarse movement position. However, the present invention is not limited to this example. For example, although not particularly illustrated, two dedicated buttons for returning to the coarse movement position (corresponding to each driving direction) are separately arranged on the GUI 7001, and when the dedicated button is operated, the second implementation described above is performed. The processing of the second embodiment may be executed when the processing of the modified example is performed and the button 7002 or 7003 is operated.

Alternatively, for example, a mode selection button (not shown) for switching between the processing of the second embodiment and the modification of the second embodiment may be provided separately.
Next, a third embodiment will be described below. In the following description, only portions different from the first and second embodiments will be described.

  However, before describing the third embodiment, referring to FIGS. 14A and 14B, the pulses of the zoom lens 2001 in the first, second (including modified examples) and third embodiments will be described. The relationship between the position and the magnification will be described.

  First, as shown in FIG. 14A, the zoom lens 2001 is configured such that the 625 pulse position is 1 time the zoom minimum magnification and the 10000 pulse position is 16 times the zoom maximum magnification.

  As already described with reference to FIG. 2, the zoom lens unit 1006 of the present example uses the cam 2002 having the structure shown in FIG. The zoom magnification changes linearly. That is, it changes linearly (proportional relationship) as shown in FIG. FIG. 14B is a graph showing the relationship between the pulse position of the zoom lens 2001 and the zoom magnification. The horizontal axis represents the pulse position, and the vertical axis represents the zoom magnification.

  In FIG. 14B, for example, if the zoom magnification = 4 times (pulse position 2500) is used as a reference, it corresponds to the zoom magnification (8 times, 12 times, 16 times) that is 2 times, 3 times, or 4 times. The pulse positions are 2 times, 3 times and 4 times (5000, 7500 and 10000), respectively.

The third embodiment will be described below.
In the first embodiment, the zoom up / down is instructed by the buttons 4002 and 4003, and the zoom magnification is not directly designated. Therefore, for example, when it is desired to change from 1 to 16 times, four button operations are required. This is substantially the same in the second embodiment (its modification).

  On the other hand, in the third embodiment, the zoom lens can be driven by directly specifying the zoom magnification, and any specification can be made in the same manner as in the first and second embodiments. The effect that the driving time can be made substantially constant can be obtained.

  In the third embodiment, the user performs instructions / operations using the GUI shown in FIG. 15, and the CPU 5001 executes the processing of the flowchart shown in FIG. In this process, for example, a pre-registered LUT shown in FIG. 16 is referred to.

Hereinafter, the third embodiment will be described with reference to FIGS.
First, the GUI shown in FIG. 15 will be described.
FIG. 15 is a diagram illustrating an example of the zoom magnification adjustment GUI 8001 according to the third embodiment, which is displayed by the zoom magnification adjustment application in the control PC 1014.

  The zoom magnification adjustment GUI 8001 of the illustrated example is linked to a zoom magnification adjustment button 8002, a zoom adjustment slider 8003 for directly specifying the zoom magnification, a current magnification display portion 8004 for displaying the current zoom magnification, and a zoom adjustment slider 8003. An instruction magnification display unit 8005 that displays an instruction magnification of the zoom lens 2001, and an image display unit 8006 that displays a sample screen.

  The user operates the zoom adjustment slider 8003 to specify a desired zoom magnification. The zoom magnification designated by the user is displayed on the designated magnification display portion 8005 as described above, and the user presses the zoom magnification adjustment button 8002 after confirming that there is no mistake by looking at this display or the current magnification display portion 8004. As a result, the GUI 8001 transmits a zoom lens adjustment command to the zoom lens control unit 1009.

  Next, the LUT 400 in the third embodiment shown in FIG. 16 is a table in which the driving speed V for making the driving time within a predetermined range (or constant) when the zoom magnification is directly designated is registered. The driving speed V402 of the zoom lens 2001 corresponding to each driving amount N401 is registered.

The value of the driving speed V becomes faster (value increases) as the value of the relative driving amount N increases.
v1 <v2 <v3 <,,, <v8 <v9
It is set to become.

  The method for obtaining the drive speed V is appropriately determined based on the above equation (1) T = N / V basically in the same manner as the method already described in the first embodiment. That is, first, a user or the like determines a desired T value in advance, and based on the equation (1) T = N / V, the relative drive amount N401 (its absolute value) is any value shown in FIG. Also, the drive speed V402 is determined and registered so that the drive time is within a certain range (may be completely the same).

  In the third embodiment, the magnification does not always change in a geometric series of a predetermined geometric ratio coefficient. For example, in FIG. 14A, it is possible to change the magnification from 8 times to 12 times, from 4 times to 12 times, etc. In the example shown in FIG. 16, the magnification is 1 time, 2 times, 4 times, or 8 times. This is an example of an LUT corresponding to the case where 12 times and 16 times can be set. The present invention is not limited to this example, and other magnifications (for example, 9 times) can be set. In this case, an LUT having contents corresponding to this can be created in advance. In short, it is only necessary to register the drive speed V for the relative drive amount between all settable magnifications.

  The LUTs in the first and second embodiments are those in which the driving speed V corresponding to each current position (pulse position) is registered as shown in FIG. 6 and FIG. In the LUT 400 in the third embodiment shown in FIG. 16, the drive speed V402 corresponding to each relative drive amount N401 is registered as described above. The relative drive amount N can be obtained as a difference between the current position (pulse position) and a designated position (pulse position) designated by operating the zoom adjustment slider 8003.

  When the user views the image on the image display unit 8006 of the zoom magnification adjustment GUI 8001 and determines that the zoom is to be enlarged or reduced, the user can move the zoom lens adjustment slider 8003 to change the zoom magnification to an appropriate one for observation. . At this time, the instruction magnification of the instruction magnification display portion 8005 is displayed in conjunction with the slider position of the zoom adjustment slider 8003. When the designated magnification is determined and the zoom magnification adjustment button 8002 is pressed, a command for driving the zoom lens 2001 is sent to the zoom lens control unit 1009 using the designated position T as an argument as follows.

MOVE RENS "Instructed position T"
The designated position T is a pulse position corresponding to the zoom magnification directly designated by the user. For example, the designated position T is 2500 when the zoom magnification is 4 times.

  The operation of the control unit CPU 5001 when receiving this command will be described with reference to the flowchart shown in FIG. FIG. 17 is a flowchart of zoom lens drive control processing according to the third embodiment. The command is received by the command I / O 5004.

First, the CPU 5001 acquires the designated position T of the zoom lens 2001 from the command I / O 5004 (step 41). Next, the CPU 5001 acquires the current position X of the zoom lens 2001 from the zoom lens I / O 5005 (step 42). The CPU 5001 subtracts the current position X from the indicated position T from the acquired information and substitutes it for the relative drive amount N (step 43). That is,
Relative driving amount N = indicated position T−current position X
Is calculated.

The CPU 5001 acquires the corresponding driving speed V from the speed LUT 400 of FIG. 16 based on the relative driving amount N of the zoom lens 2001 obtained in step 43 (step 44).
Next, if the relative driving amount N of the zoom lens 2001 is 0 or more (if it is a positive value) (step 45 is Y), the CPU 5001 sets the number of pulses of the driving direction CCW and the relative driving amount N at the driving speed V. Output to the I / O 5005 (step 46). Thereafter, the process waits until a zoom lens drive completion signal is received from the zoom lens I / O 5005. When the zoom lens drive completion signal is received (step 47 is Y), the processing of this sequence is finished.

  On the other hand, if the relative driving amount N of the zoom lens 2001 is smaller than 0 (if it is a negative value) (step 45 is N), the CPU 5001 uses the driving speed V to set the number of pulses of the driving direction CW and the relative driving amount N to the zoom lens. Output to the I / O 5005 (step 48). Thereafter, the process waits until a zoom lens drive completion signal is received from the zoom lens I / O 5005, and when received (step 47 is Y), the processing of this sequence ends.

According to the third embodiment described above, the required time when the zoom lens is driven by directly specifying the zoom magnification can be made constant (at least within a predetermined range).
When the zoom lens is driven by directly specifying the zoom magnification, if the zoom lens driving speed is constant, the time required from when the user presses the zoom adjustment button on the GUI until the zoom magnification is switched is different and the zoom operation is troublesome. Similar to the effects of the first and second embodiments, the driving speed is changed according to the relative driving amount of the zoom lens, and the required time for driving the zoom lens is kept within a predetermined range, thereby making the trouble of the zoom operation difficult. Is solved.

  In particular, in the third embodiment, it is possible to deal with the case where the zoom magnification is directly specified, and therefore, it is possible to reduce the time and effort of the user's operation particularly when the zoom magnification is largely changed. In addition, when the zoom magnification is greatly changed (especially from 1 to 16 times), the driving amount naturally becomes very large. Therefore, if the zoom lens driving speed is constant, the required time becomes very long. However, in the third embodiment, such a large zoom magnification can be changed, and even in such a case, the troublesomeness of the zoom operation can be eliminated by keeping the required time within a predetermined range.

  In the third embodiment, the magnification does not necessarily change with a geometric series of a predetermined geometric ratio coefficient. However, in the first and second embodiments (including modifications), the magnification is a predetermined value. It does not have to change with the geometric series of the geometric coefficient. The point is that the above-described effects can be obtained by applying this method when the driving time differs when the driving speed is constant because the driving amount is different in each magnification change. In this sense, the above description is based on the premise that the relationship between the zoom magnification and the zoom lens position (pulse position) changes linearly as shown in FIG. 14B by using the cam 2002 shown in FIG. However, the present invention is not limited to this configuration. Regardless of whether or not it changes linearly, the drive speed may be set as described above according to the drive amount required for each magnification change.

  Further, in each of the above-described embodiments, the zoom magnification is designated. However, even if this method is applied to a method for designating the overall magnification as in the above prior art (Patent Documents 1, 2, etc.). Good. Even when the total magnification is designated, when the zoom magnification is changed by this, the driving time of the zoom lens can be made substantially constant by the processing of the method described above accordingly.

It is a schematic block diagram of the whole microscope system of this example. 2 is a schematic configuration example of a zoom lens unit. It is a figure which shows the relationship between the position of a zoom lens, and zoom magnification. It is a block diagram of the zoom lens control unit. It is an example of a zoom magnification adjustment GUI (operation screen). It is an example of LUT of the drive speed of a zoom lens. FIG. 6 is a flowchart of zoom lens drive control processing according to the first embodiment. It is a figure which shows an example of the zoom magnification in a 2nd Example. It is an example of the zoom magnification adjustment GUI in the second embodiment. It is an example of the drive speed LUT in a 2nd Example. It is a flowchart figure of the zoom lens drive control process which concerns on a 2nd Example. It is a relative drive amount and drive speed LUT according to a modification of the second embodiment. It is a flowchart figure of the zoom lens drive control process which concerns on the modification of a 2nd Example. (A), (b) is a figure which shows the relationship between the pulse position of a zoom lens, and a magnification. It is an example of the zoom magnification adjustment GUI in the third embodiment. It is an example of the drive speed LUT in a 3rd Example. It is a flowchart figure of the zoom lens drive control process which concerns on a 3rd Example.

Explanation of symbols

1 Microscope
100 LUT
101 Current position (pulse position)
102 Current magnification
103 Drive speed V
104 Low magnification side
105 High magnification side
200 LUT
201 Current position (pulse position)
202 Current magnification
203 Drive speed V
204 Low magnification side
205 High magnification side
206 Coarse
207 Tremor
208 Tremor
209 Coarse
300 LUT
301 Current position (pulse position)
302 Tremor
303 Coarse
304 Low magnification
305 High magnification side
306 Low magnification side
307 High magnification side
400 LUT
401 Relative drive amount N
402 Drive speed V
1001 stage
1002 samples
1003 Light source unit
1004 Objective lens (OB)
1005 Stepping motor
1006 Zoom lens unit
1009 Zoom lens control unit
1010 Motor drive
1012 Observation unit
1013 CCD camera
1014 Control PC (PC)
2001 Zoom lens
2001a Frame
2002 Cam
2003 Sensor
2004 Sensor shading part
4001 Zoom magnification adjustment GUI
4002,4003 Zoom magnification adjustment buttons
4004 Zoom magnification display
4005 Image display
5001 CPU
5002 RAM
5003 ROM
5004 Command I / O
5005 Zoom lens I / O
5006 Zoom lens driver
7001 Zoom magnification adjustment GUI
7002,7003 Zoom magnification coarse adjustment button
7004,7005 Zoom magnification fine adjustment button
7006 Zoom magnification display
7007 Image display
8001 Zoom magnification adjustment GUI
8002 Zoom magnification adjustment button
8003 Zoom adjustment slider
8004 Current magnification display
8005 Display magnification display
8006 Image display

Claims (9)

In a microscope device,
An optical component that moves in the direction of the optical axis;
Drive control means for driving and controlling the optical component so that the magnification is instructed from the current magnification in response to an arbitrary magnification change instruction;
Have
The drive control means drives the optical component so that the time required for driving the optical component when changing from the current magnification to the magnification instructed to change the magnification is substantially the same for all magnification changes. A microscope apparatus characterized by changing a driving speed . Input means for inputting a driving direction of the optical component as the magnification change instruction;
Drive speed storage means in which the drive speed when driving in each drive direction from the position is registered in accordance with each position of the optical component corresponding to each magnification,
Further comprising
The drive control means obtains a drive speed corresponding to the current position of the optical component and the drive direction input by the input means from the drive speed storage means, and performs drive control of the optical component based on the obtained drive speed. The microscope apparatus according to claim 1, wherein: Input means for inputting a driving direction and a driving mode of the optical component as the magnification change instruction;
Drive speed storage means in which the drive speed when driving in each drive mode from the position in each drive direction according to each position of the optical component corresponding to each magnification is registered;
Further comprising
The drive control means obtains a drive speed according to the current position of the optical component, the drive direction and drive mode input by the input means from the drive speed storage means, and uses the obtained drive speed to obtain the optical component. The microscope apparatus according to claim 1, wherein the drive control is performed. The driving mode is coarse movement or fine movement, and the optical component is driven to a position corresponding to the coarse movement in the case of coarse movement, and is driven to a position corresponding to the fine movement in the case of fine movement,
The drive control means drives and controls the optical component to a position corresponding to the coarse movement when the coarse movement is designated when the current position is a position corresponding to the fine movement. The microscope apparatus according to claim 3. Input means for inputting an arbitrary magnification as the magnification change instruction;
Drive speed storage means in which drive speeds corresponding to each relative drive amount are registered;
Further comprising
The drive control means obtains a relative drive amount from a current position of the optical component to a position corresponding to the magnification input by the input means, and a drive speed according to the obtained relative drive amount is obtained as the drive speed storage means. 2. The microscope apparatus according to claim 1, wherein drive control of the optical component is performed based on the calculated relative drive amount and drive speed.   A configuration in which the magnification increases from the low magnification side to the high magnification side by a geometric series of a predetermined geometric ratio, and the position of the optical component corresponding to each magnification also increases by the geometric series of the predetermined geometric ratio coefficient The microscope apparatus according to claim 1, wherein the microscope apparatus is a microscope apparatus.   The microscope apparatus according to claim 1, wherein the optical component is a zoom lens that continuously changes a zoom magnification by moving in the optical axis direction. A drive control device in a microscope apparatus,
When driving and controlling an optical component that moves in the optical axis direction from the current magnification to the magnification instructed to change the magnification according to an arbitrary magnification change instruction, the magnification is changed from the current magnification at all magnification changes. Drive control means for performing control to change the drive speed for driving the optical component so that the time required for driving the optical component at the change to the specified magnification is substantially the same ;
A drive control device comprising: A computer in a microscope device,
When driving and controlling an optical component that moves in the optical axis direction from the current magnification to the magnification instructed to change the magnification according to an arbitrary magnification change instruction, the magnification is changed from the current magnification at all magnification changes. Drive control means for performing control to change the drive speed for driving the optical component so that the time required for driving the optical component at the change to the specified magnification is substantially the same ;
Program to function as.