JP5691728B2 - Electronic clock - Google Patents

Description

  The present invention relates to an electronic timepiece in which a pointer is rotated by a step motor and a rotation operation member is provided.

  There are electronic timepieces equipped with a plurality of step motors and capable of independently driving the minute hand and the hour hand. In addition, an electronic timepiece has been developed that has a crown that is rotated by the user from the outside, and that can correct the position of the pointer by advancing the pointer by rotating the crown (see, for example, Patent Document 1).

JP 2008-134129 A

  Consider a case where the user fast-forwards the minute hand and hour hand to correct the position of the pointer or set the alarm time.

  Generally, the hour hand is short and is arranged away from the scale on the dial. Also, the hour hand does not continue to indicate the hourly scales at intervals of 30 °, such as the scale at 12 o'clock or the scale at 1 o'clock, but moves between these scales according to the minute value. To do. Accordingly, if the hour hand can be moved by a small angle independently of the minute hand, it is difficult to correctly align the hour hand at a time such as 10:23 when the hour hand is positioned between the scales.

  Even when the hour hand and the minute hand are made independent so that the position can be corrected and the hour hand can be changed in units of 30 ° for one hour from the position where the time is displayed, the following correction can be made. Such difficulties arise.

  For example, if the minute hand is at the 58 minute position and you want to set the hour hand to the 6:58 position, it will not be difficult to understand if the minute hand and the hour hand move together. When the hour hand is sent to a position close to the 6 o'clock scale, an intuitive illusion of adjusting to the 6 o'clock time will occur. Furthermore, if the hour hand is sent to a position close to the 7 o'clock scale, an illusion that the hand has been advanced to the 7 o'clock time position intuitively will occur, and the hour hand will be moved. In addition, it is difficult to understand such as moving it.

  On the other hand, when the position is corrected by fast-forwarding with the minute hand and hour hand interlocked as in the time display, the minute hand is moved to move the minute hand and hour hand to the time position 8 hours ahead, for example. It takes time, such as having to go around eight times, and power consumption increases.

  An object of the present invention is to easily move an hour hand and a minute hand to a correct time position without intuitive difficulty in moving the hour hand and the minute hand to a desired time position by fast-forwarding by a user operation. Another object is to provide an electronic timepiece that can be moved in a short time when the time position change amount is large.

In order to achieve the above object, the present invention
A minute hand,
A first step motor for rotating the minute hand;
Hour hand,
A second stepping motor for rotating the needle at this time;
A rotational operation member that is rotationally operated from the outside;
A discriminating means for discriminating whether or not the rotation speed of the rotation operation member is equal to or higher than a predetermined value when the rotation operation member is rotated;
First fast-forward control means for performing first drive control for fast-forwarding the minute hand and the hour hand in conjunction with a rotation ratio during time display when the pattern of the determination result of the determination means is the first pattern;
Second fast-forward control means for performing a second drive control for advancing the hour hand by one hour when fast-forwarding when the pattern of the discrimination result of the discrimination means is the second pattern;
Equipped with a,
The second fast-forward control means includes
The electronic timepiece is characterized in that the second drive control is performed when the pattern of the discrimination result of the discrimination means becomes the second pattern after the pattern becomes the first pattern .
In order to achieve the above object, the present invention
A minute hand,
A first step motor for rotating the minute hand;
Hour hand,
A second stepping motor for rotating the needle at this time;
A rotational operation member that is rotationally operated from the outside;
A discriminating means for discriminating whether or not the rotation speed of the rotation operation member is equal to or higher than a predetermined value when the rotation operation member is rotated;
First fast-forward control means for performing first drive control for fast-forwarding the minute hand and the hour hand in conjunction with a rotation ratio during time display when the pattern of the determination result of the determination means is the first pattern;
Second fast-forward control means for performing a second drive control for advancing the hour hand by one hour when fast-forwarding when the pattern of the discrimination result of the discrimination means is the second pattern;
With
The second fast-forward control means includes
The electronic timepiece is characterized in that the second drive control is performed when the pattern of the determination result of the determination means becomes the second pattern during the first drive control.

  According to the present invention, the hour hand and the minute hand can be fast-forwarded by interlocking with the pattern of rotating the rotary operation member quickly, or the hour hand can be fast-forwarded by one hour, or the hour hand and the minute hand can be moved to the desired time position while switching the movement method. Can send up to. Therefore, the user can reduce the correction time by performing only a rotation operation of the rotation operation member, for example, when the amount of movement to the target time position is large, and performing a lot of processing to advance the hour hand by one hour. . Also, when the target time position is approaching or when the relationship between the hour hand position and time becomes difficult to understand, the minute hand and hour hand are switched so that they are sent in conjunction with each other, The minute hand and hour hand can be easily sent to a desired time position in a state where the time position indicated by the hour hand can be intuitively and correctly recognized.

1 is a block diagram illustrating an overall configuration of an electronic timepiece according to an embodiment of the present invention. It is sectional drawing which shows the component of the rotation detection of a crown. 3 is a time chart showing an example of outputs of first and second magnetic detection elements 31 and 32. It is a flowchart which shows the control procedure of the needle | hook position change process performed by CPU.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram showing the overall configuration of an electronic timepiece 1 according to an embodiment of the present invention.

  The electronic timepiece 1 of this embodiment is a wristwatch that displays the time by rotating the second hand 2, the minute hand 3, and the hour hand 4 (also referred to as hands 2 to 4), and a crown that can be rotated by the user on the side of the casing. It is what you have.

  The pointers 2 to 4 rotate on a dial plate provided under the windshield glass on the front surface of the casing. In the normal time display mode, the second hand 2 moves 60 steps in one minute and makes one round, the minute hand 3 makes 360 steps in one hour and makes one round, and the hour hand 4 moves 360 steps in 12 hours and makes one round. On the periphery of the dial, there are provided scales indicated by the pointers 2 to 4 and representing the values of “hour, minute, second”, while the second hand 2 and the minute hand 3 have a length overlapping the scale, The hour hand 4 is short and does not reach the scale.

  As shown in FIG. 1, the electronic timepiece 1 includes a CPU (Central Processing Unit) 10 that performs overall control of the device, and a RAM 11 that provides a working memory space to the CPU 10 in addition to the hands 2 to 4. A ROM 12 in which a control program executed by the CPU 10 and control data are stored, an oscillation circuit 13 and a frequency dividing circuit 14 for supplying a signal of a constant frequency to the CPU 10, and an operation signal of these operation buttons. , A step motor 19 to 21 for rotating the hands 2 to 4 respectively, and a gear train mechanism 22 to 24 for transmitting the rotational movement of the rotor of the step motors 19 to 21 to the hands 2 to 4, respectively. And step motor drive circuits 16 to 18 for respectively driving the step motors 19 to 21 in response to a command from the CPU 10, and rotation of the crown First and second magnetic detection elements 31 and 32 as magnetic sensors to be detected, and a binarization circuit 33 that binarizes detection signals of the first and second magnetic detection elements 31 and 32 into high and low signals, respectively. , 34 and the like. The step motor 20 is a specific example of the first step motor, and the step motor 21 is a specific example of the second step motor.

  The step motors 19 to 21 are bipolar step motors, and the rotor is rotated by one step (for example, 180 °) by receiving drive pulses from the step motor drive circuits 16 to 18 respectively. This one-step rotational movement of the rotor is transmitted through the gear train mechanism to rotate the corresponding pointer one step.

  FIG. 2 is a cross-sectional view showing components for detecting the rotation of the crown. This cross-sectional view shows a view of the rotation detection component cut by a plane perpendicular to the rotation axis of the crown and passing through the first and second magnetic detection elements 31 and 32. In the figure, reference numerals 40 to 42 denote machine frames fixed inside the electronic timepiece 1.

  As shown in FIG. 2, the mechanism for detecting the rotation of the crown includes an operation shaft 45 connected to the crown and rotating together with the crown, a cylindrical magnet 47 having a length in the axial direction of the operation shaft 45, and a magnet 47. And the first and second magnetic detection elements 31, 32 and the like described above for detecting the separation and proximity of a predetermined magnetic pole (for example, N pole) accompanying the rotation of the magnet 47. The The crown and the operation shaft 45 constitute a rotation operation member.

  The magnet 47 is a cylindrical magnet, and a through hole 47a through which the operation shaft 45 passes is provided at the center. The through hole 47a is configured to mesh with a part of the operation shaft 45. For example, when the crown and the operation shaft 45 are pulled out by a predetermined amount, the operation shaft 45 and the through hole 47a mesh with each other, and the operation shaft 45 The magnet 47 can be rotated by 45. With this structure, when the user pulls out the crown and rotates the crown, the magnet 47 rotates around the cylindrical central axis inside the electronic timepiece 1.

  In FIG. 3, the time chart which shows an example of the output of the 1st magnetic detection element 31 and the 2nd magnetic detection element 32 is shown. FIG. 6A shows an output signal OUT1 that is received from the first magnetic detection element 31 and sent from the binarization circuit 33 to the CPU 10, and (b) receives the detection output of the second magnetic detection element 32. This is an output signal OUT2 sent from the binarization circuit 34 to the CPU 10.

  In the first magnetic detection element 31, for example, when one magnetic pole (for example, N pole) of the magnet 47 is close, the detection output is high, and when the magnetic pole is far, the detection output is low. The binarization circuit 33 compares this detection output with a threshold voltage and sends a high level or low level output signal OUT1 to the CPU 10 according to the comparison result. As shown in FIG. 3A, for example, the output signal OUT1 becomes a high level when the rotation angle of the magnet 47 is 0 ° to 180 °, and becomes a low level when the rotation angle is 180 ° to 360 °.

  The second magnetic detection element 32 and the binarization circuit 34 corresponding thereto operate in the same manner as the first magnetic detection element 31 and the binarization circuit 33 corresponding thereto. The first magnetic detection element 31 is arranged at a different angle in the circumferential direction of the magnet 47 such as 60 °. Therefore, as shown in FIG. 3B, the phase of the output signal OUT2 of the binarization circuit 34 based on the detection output of the second magnetic detection element 32 changes to the high level and low level of the other output signal OUT1. It deviates from the object by a predetermined angle. For example, it becomes a high level when the rotation angle of the magnet 47 is 60 ° to 240 °, and becomes a low level when it is 240 ° to 360 ° and 0 ° to 60 °.

  Therefore, the CPU 10 can also determine the rotation direction of the magnet 47 and the crown based on the switching of the output signals OUT1 and OUT2 between the high level (also referred to as H) and the low level (also referred to as L) and the order thereof. It becomes. For example, when the L → H switching occurs in the order of the output signals OUT1 and OUT2, or when the output signal OUT1 switches from H to L after the output signal OUT2 switches from L to H, the rotation is performed in the forward direction. It can be judged that Also, when the output signal OUT2 and OUT1 are switched from H to L in the order, or when the output signal OUT2 is switched from L to H and then the output signal OUT1 is switched from L to H, the rotation is reversed. It can be judged that

  Further, the CPU 10 can determine the rotational speed of the magnet 47, that is, the rotational speed of the crown by measuring the interval of the switching timing of the output signals OUT1 and OUT2 from L → H or H → L.

  In this embodiment, when the signal level is sequentially switched between the two output signals OUT1 and OUT2 so that the rotation speed when the crown rotates in a certain direction can be correctly determined, this timing is set as the generation of the rotation key. When the rotation key is generated twice, the rotation speed of the crown is determined by measuring the generation interval of the two rotation keys.

  Specifically, referring to the time chart of FIG. 3, the crown is pulled out at the timing T1 and the rotation operation is started, and the first time at the timing T2 when the signal level is switched between the two output signals OUT1 and OUT2. Next, similarly, the second rotation key is generated at the timing T3 when the signal level is sequentially switched between the two output signals OUT1 and OUT2. The CPU 10 determines the rotation speed of the crown by measuring the time interval x between the generation timings T2 and T3 of the two rotation keys.

  The RAM 11 is provided with a current time counter that is counted up based on a signal having a constant frequency from the frequency divider 14 and that always stores data representing the current time.

  In the ROM 12 (see FIG. 1), the current time counter of the RAM 11 is counted up based on the signal of the constant frequency of the frequency dividing circuit 14, and the step motor drive circuits 16-18 are synchronized with the data of the current time counter. A time display mode processing program for rotating the hands 2 to 4 by outputting a pulse signal to display the time, and a hand position changing process for changing the positions of the minute hand 3 and the hour hand 4 by rotating the crown by the user. This program is stored.

[Needle position change processing]
Next, the needle position changing process will be described.

  The hand position changing process is a process of changing the time position indicated by the minute hand 3 and the hour hand 4 by moving the minute hand 3 and the hour hand 4 in accordance with the rotation operation of the crown from the outside. For example, when the position of the hands 2 to 4 does not match the current time at all, for example, after battery replacement, or if the electronic timepiece has an alarm function, the user sets the alarm time according to the position of the hands 2 to 4. Used when entering settings.

  The hand position changing process is started with the minute hand 3 and the hour hand 4 being stopped. In this hand position changing process, there are four methods for moving the minute hand 3 and the hour hand 4, and it is possible to move the minute hand 3 and the hour hand 4 while switching these four types of movement methods according to the rotation pattern of the crown. .

  In the first movement method, the minute hand 3 and the hour hand 4 are interlocked to advance by a movement amount of one minute (a movement amount of six steps of the minute hand 3). Here, the interlock means that both hands 3 and 4 move at a rotation ratio during the time display. In the first movement method, the hour hand 4 is moved by one step every time the minute hand 3 moves to an even position. It is controlled to move one by one.

  The movement of the first movement method is executed by rotating the crown in a forward direction slower than a predetermined speed.

  In the second movement method, the minute hand 3 and the hour hand 4 are interlocked to move at a first rapid feed speed (for example, the minute hand 3 is 32 pps: pulse per second), and this movement is changed to a stop operation or other movement methods. This is continued until the switching operation is performed. The movement of the second movement method is started by an operation pattern (first pattern) in which the crown is rotated once in the forward direction faster than a predetermined speed.

  In the third movement method, the minute hand 3 and the hour hand 4 are interlocked to move at a faster second fast-forward speed (for example, the minute hand 3 is 64 pps), and this movement is switched to a stop operation or another movement method. It continues until the operation is performed. The movement of the third movement method is started by further rotating the crown once in the forward direction faster than a predetermined speed when the drive control of the second movement method is being performed. That is, the operation is performed by an operation pattern (first pattern) in which the crown is rotated twice, counting from the state in which the hands 3 and 4 are stopped.

  In the fourth movement method, the minute hand 3 is temporarily stopped and only the hour hand 4 is moved by the number of steps of one hour (30 steps). The movement of the fourth movement method is controlled so that the movement can be performed when the movement of the third movement method is performed, and after the movement of the fourth movement method is completed, Even if no operation is performed, the shift to the third movement method is made again.

  The movement of the hands 3 and 4 by the fourth movement method is executed by further rotating the crown once in the forward direction faster than a predetermined speed when the drive control of the third movement method is being performed. . That is, the operation is performed by an operation pattern (second pattern) in which the crown is rotated three or more times from the state in which the hands 3 and 4 are stopped.

[Control procedure for needle position change processing]
FIG. 4 shows a program for needle position change processing executed by the CPU 10.

  The needle position changing process described above is realized by the control procedure of FIG. The hand position change process in FIG. 4 is started, for example, when the user operates the operation button to switch to the hand position change mode, and ends from the outside of the program when the user operates the operation button to return to the time display mode. It is processed. Alternatively, a switch that detects whether the crown is pulled out or pushed back may be provided, and may be started when the crown is pulled out and terminated when the crown is pushed back based on a signal from the switch.

  When the hand position changing process is started, first, the CPU 10 determines whether or not the crown has been rotated for the first time (step S1). Here, the rotation of the crown refers to the generation of the above-described rotation key (change in timings T2 and T3 in FIG. 3), and it is determined that there is one rotation every time the crown is rotated halfway. Specifically, the CPU 10 determines that there is one rotation of the crown when the signal level is sequentially switched between the two output signals OUT1 and OUT2.

  If the crown is rotated and it is determined in step S1 that the crown has been rotated, then the CPU 10 determines the rotation direction of the crown based on the switching order and switching pattern of the signal levels of the output signals OUT1 and OUT2. (Step S2). As a result, if the rotation is forward, the CPU 10 starts measuring time for measuring the rotation speed of the crown (step S3). Then, the presence / absence of rotation of the crown is determined again (step S4). If there is no rotation, this determination is continued until it is present.

  Subsequently, when the second rotation of the crown (a rotation key generated once every half rotation of the crown) is detected, the CPU 10 stops the timing started in step S3 (step S5). For example, the time interval x shown in FIG. 3 is measured by the processing in steps S1 to S5 described above.

  When the time measurement is stopped, the CPU 10 next determines whether or not the measurement time is equal to or less than a predetermined threshold value (step S6). That is, it is determined by this determination whether or not the rotation speed of the crown is equal to or higher than a predetermined speed.

  If the measurement time is greater than the threshold value as a result of the determination in step S6, it can be determined that the rotation speed of the crown is slower than the predetermined speed, so that the drive control for moving the hands 3 and 4 is performed by the first movement method described above. (Step S7). That is, the CPU 10 outputs a necessary pulse signal to the step motor drive circuits 17 and 18, and moves the minute hand 3 and the hour hand 4 in an interlocked manner (the minute hand 3 has six steps, the hour hand 4 has the minute hand). Each time 3 advances to an even number of positions, a driving process is executed to advance one step). Thereby, the movement of the first movement method is performed.

  Then, when the driving process of step S7 is completed, the process returns to step S1 again and waits until the next crown rotation operation is performed.

  On the other hand, if the result of determination in step S6 is that the measured time is less than or equal to the threshold value, it can be determined that the crown rotation speed is greater than or equal to the predetermined speed. It is determined whether the rotation is being driven at (32 pps) or the second fast-forward speed (64 pps) (step S8). If the rotational drive is not in progress, the driving process for continuously moving the hands 3 and 4 at the first fast-forward speed is started (step S9: first fast-forward control means). As a result, the driving process of the second movement method described above is started.

  The driving process for continuously moving the hands 3 and 4 in conjunction with each other is not executed in the needle position changing process, but is a motor driving process executed in parallel with the needle position changing process. Is to be executed in. That is, in step S9, a request for starting the fast-forward drive process is issued to the motor drive process that is executed in parallel, thereby outputting a pulse signal to the step motor drive circuits 17 and 18 in the motor drive process. Is continuously executed, and the minute hand 3 and the hour hand 4 are continuously driven to rotate.

  Then, after the drive start process in step S9 is performed, the process returns to step S1 again, and enters a standby state until the next crown rotation operation is performed. Also during this standby period, the first fast-forward speed driving process started in step S9 is continued.

  On the other hand, if it is determined in step S8 that the hand is currently moving at the first fast-forwarding speed (32 pps) or the second fast-forwarding speed (64 pps), then the CPU 10 In conjunction with each other to determine whether the rotational drive is being performed at the second fast-forwarding speed (64 pps) (step S10). If this rotational drive is not being performed, a drive process for continuously moving the hands 3 and 4 at the second fast-forward speed is started (step S11: first fast-forward control means). As a result, the driving process of the third movement method described above is started.

  Even in the process of step S11, the actual drive control is not executed, and only a request for starting the drive process at the second fast-forwarding speed is issued to the motor drive process executed in parallel. In the motor driving process, the CPU 10 continuously executes a process of outputting a pulse signal to the motor driving circuits 17 and 18 to continuously fast forward the minute hand 3 and the hour hand 4.

  Then, after the drive start process in step S11 is performed, the process returns to step S1 again and is in a standby state until the next crown rotation operation is performed. Also during this standby period, the driving process of the second fast-forward speed started in step S11 is continued.

  If it is determined in step S10 that the second fast-forward speed (64 pps) is currently being moved, the CPU 10 next temporarily stops the minute hand 3 and the hour hand 4 (step S12). Subsequently, the pulse signal of the step motor drive circuit 18 is output to fast-forward the hour hand 4 by 30 steps (step S13). As a result, the movement of the fourth movement method described above is performed. The process of steps S12 and S13 constitutes a second fast-forward control means.

  Next, the CPU 10 starts driving processing for moving the minute hand 3 and the hour hand 4 at the second fast-forwarding speed in conjunction with each other (step S14), and returns to step S1 again to rotate the next crown. It will be in a standby state until there is. Also during this standby period, the second fast-forward speed driving process resumed in step S14 is continued.

  On the other hand, if it is determined in step S1 that the crown has been rotated for the first time, and if it is determined in step S2 that reverse rotation has occurred, the CPU 10 determines whether or not the hands 3 and 4 are currently being fast-forwarded. Is determined (step S15). If the fast-forward driving is being performed, a request for stopping the driving process is issued to the motor driving process being executed in parallel (step S16). As a result, the hands 3 and 4 are stopped. And it returns to step S1 again and will be in a standby state until there exists next rotation operation of the crown.

  Further, if there is rotation of the crown, branching is performed according to the rotation direction of the crown, the rotation speed, and the number of fast rotations, and the minute hand 3 and the hour hand 4 are rotated by the first to fourth movement methods described above. It can be driven or stopped.

  As described above, according to the electronic timepiece 1 of this embodiment, it is determined whether or not the crown has been rotated at a predetermined speed or more, and a pattern for rapidly rotating the crown (specifically, the number of times the crown has been rotated twice) Depending on the pattern and the pattern of three or more times, a movement method in which the minute hand 3 and the hour hand 4 are interlocked and fast-forwarded and a movement method in which the hour hand 4 is moved one hour more than the minute hand 3 can be switched. . Therefore, the user switches the movement method of the minute hand 3 and the hour hand 4 only by rotating the crown, and, for example, if the time is still long until the target time position for moving the hands 3 and 4, the hour hand 4 is increased by one hour. It is possible to shorten the movement time of the hands 3 and 4 by performing a lot of processing to advance. In addition, when the target time position is approached, or when the relationship between the position of the hour hand 4 and the time becomes difficult to understand, the time position is changed by switching to the movement method in which the minute hand 3 and the hour hand 4 are interlocked. It is possible to send the minute hand 3 and the hour hand 4 to a desired time position in a state where it can be intuitively and correctly recognized.

  Further, in the electronic timepiece 1 of this embodiment, a crown operation pattern (a pattern in which the number of fast turns is three or more) for fast-forwarding only the hour hand 4 by one hour is linked to the minute hand 3 and the hour hand 4. This is a pattern that can be generated after an operation pattern of a crown for fast-forwarding (a pattern in which the number of fast-turns is one or two). Therefore, the user can move the hour hand 4 to fast-forward by one hour when the minute hand 3 and the hour hand 4 are fast-fed in conjunction with each other. As a result, the user is in a state where the position of the minute hand 3 is recognized even when the hour hand 4 is fast-forwarded by one hour, and the following illusions and operational errors can be reduced. That is, for example, when the minute hand is at the position of 58 minutes and the hour hand is set at the position of 6:58, if only the hour hand 4 is advanced one hour at a time while the minute hand 3 is stopped, the hour hand 4 becomes 7 When it comes to a position close to the time scale, an illusion that it has been advanced for an hour even though it is correct is generated, and an operation mistake such as further advancement of the hour hand 4 is likely to occur. However, such illusions and operational errors can be reduced.

  Further, in the electronic timepiece 1 of this embodiment, when the hands 3 and 4 are interlockingly rotating at the second fast-forwarding speed, the crown is further fastened so that only the hour hand 4 is moved for 1 hour. You can move forward by a large amount by the amount of movement. Therefore, with this configuration, the operation of advancing the hour hand 4 by one hour is not performed in a single shot, but can be performed during the fast-forward operation in which the minute hand 3 and the hour hand 4 are linked.

  Further, in the electronic timepiece 1 of this embodiment, when drive control is performed in which the hour hand 4 is moved forward by one hour more quickly, drive control is performed in which the minute hand 3 and hour hand 4 are automatically moved forward in conjunction with each other. It comes to return. Accordingly, the operation of advancing only the hour hand 4 by one hour can be performed during the fast-forward operation in which the minute hand 3 and the hour hand 4 are interlocked without being performed independently, and the target time position It is convenient to fast-forward the hour hand 4 by one hour when the movement amount is still long.

  Further, according to the electronic timepiece 1 of this embodiment, fast-forwarding in which the hands 3 and 4 are interlocked is performed by fast-rotating the crown once or twice, and fast-forwarding that moves the hour hand 4 more by one hour. However, this is done every time the crown is turned one more time. Therefore, the user can easily switch the fast-forwarding operation of the hands 3 and 4 by the operation as described above.

  The operation pattern of the crown for switching the movement method of the hands 3 and 4 is not limited to the example of the above embodiment. For example, when the crown is rotated slowly, the needles 3 and 4 may be fast-forwarded, and when the crown is rotated quickly, the hour hand 4 may be moved one hour more. Even with this configuration, the user can switch the movement method of the hands 3 and 4 with a simple operation.

  Further, in the electronic timepiece 1 of this embodiment, the minute hand 3 is temporarily stopped when the hour hand 4 is advanced by one hour more rapidly, so that the arrangement relationship between the minute hand 3 and the hour hand 4 is not disturbed by easy control. Can be.

  Further, according to the electronic timepiece 1 of this embodiment, the rotation of the crown can be detected and the rotation speed of the crown can be detected by rotating the magnet as the crown rotates and detecting the proximity and separation of the magnetic poles of the magnet. Measuring. Therefore, these detections and measurements can be performed reliably at low cost.

  The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, in the above-described embodiment, a configuration in which the rotational speed of the crown is measured using the magnetic detection element is adopted, but the configuration for measuring the rotational speed is not limited to this configuration, and various known techniques may be applied. good. In this embodiment, it has been described that the dial has a scale representing the value of minutes and hours, but the presence or absence of the dial or scale is not particularly limited.

  Further, as a method of fast-forwarding the hour hand 4 by one hour, in the above-described embodiment, a method of fast-forwarding the hour hand 4 by the number of steps for one hour with the minute hand 3 temporarily stopped is illustrated, but the minute hand 3 also moves. Alternatively, a method may be applied in which the hour hand 4 is added to the number of steps for one hour and the fast hand is advanced by the number of steps corresponding to the amount the minute hand 3 has advanced during that time.

  Moreover, what was shown to embodiment is only an example about the speed at the time of fast-forwarding the pointers 3 and 4, and the angle of the time-measurement start point and the end point when measuring the rotation time of the crown. In addition, the details shown in the embodiments can be changed as appropriate without departing from the spirit of the invention.

Although several embodiments of the present invention have been described, the scope of the present invention is not limited to the above-described embodiments, but includes the scope of the invention described in the claims and equivalents thereof. The invention described in the scope of claims attached to the application of this application will be added below. The item numbers of the claims described in the appendix are as set forth in the claims attached to the application of this application.
[Appendix]
<Claim 1>
A minute hand,
A first step motor for rotating the minute hand;
Hour hand,
A second stepping motor for rotating the needle at this time;
A rotation operation member that is rotated from the outside;
A discriminating means for discriminating whether or not the rotation speed of the rotation operation member is equal to or higher than a predetermined value when the rotation operation member is rotated;
First fast-forward control means for performing first drive control for fast-forwarding in conjunction with the minute hand and the hour hand when the pattern of the discrimination result of the discrimination means is the first pattern;
Second fast-forward control means for performing second drive control for advancing the hour hand by one hour faster than the advance amount of the minute hand when the pattern of the discrimination result of the discrimination means is the second pattern;
An electronic timepiece characterized by comprising:
<Claim 2>
The second fast-forward control means includes
2. The electronic timepiece according to claim 1, wherein the second drive control is performed when the pattern of the determination result of the determination unit becomes the second pattern after the first pattern.
<Claim 3>
The second fast-forward control means includes
2. The electronic timepiece according to claim 1, wherein the second drive control is performed when a pattern of a determination result of the determination unit becomes the second pattern during the first drive control.
<Claim 4>
The first fast-forward control means includes
4. The electronic timepiece according to claim 2, wherein after the second drive control is executed by the second fast-forward control unit, the first drive control is started again. 5.
<Claim 5>
The first pattern is
It is a pattern in which the determination of the rotation speed above the predetermined is performed N times (N is an arbitrary integer),
The second pattern is
5. The pattern according to claim 1, wherein the rotation speed is further determined M times (M is an arbitrary integer) following the first pattern. 6. The electronic watch described.
<Claim 6>
The first pattern is
It is a pattern determined not to be the rotation speed above the predetermined,
The second pattern is
The electronic timepiece according to any one of claims 1 to 4, wherein the electronic timepiece is a pattern determined to have a rotation speed greater than or equal to the predetermined speed.
<Claim 7>
The first drive control is:
The minute hand and the hour hand are interlocked so that the hour hand advances the moving amount for one hour on the hour scale while the minute hand advances the moving amount for 60 minutes on the minute scale, and moreover than during the time display. The electronic timepiece according to claim 1, wherein the electronic timepiece is controlled to rotate at a high speed.
<Claim 8>
The second drive control is
The electronic timepiece according to any one of claims 1 to 7, wherein the electronic timepiece is a control in which only the hour hand is rotated at a speed faster than that during time display on the hour scale while the minute hand is stopped. .
<Claim 9>
A magnet that rotates with the rotation of the rotation operation member;
A magnetic sensor for detecting a change in the magnetic field accompanying the rotation of the magnet;
With
The discrimination means includes
The electronic timepiece according to claim 1, wherein it is determined whether or not a rotation speed of the rotation operation member is equal to or higher than a predetermined speed based on a change speed of the magnetic field by the magnetic sensor.

1 Electronic clock 2 Second hand 3 Minute hand 4 Hour hand 10 CPU
11 RAM
12 ROM
DESCRIPTION OF SYMBOLS 13 Oscillator 14 Divider 15 Switch part 19-21 Step motor 22-24 Train train mechanism

Claims (8)

A minute hand,
A first step motor for rotating the minute hand;
Hour hand,
A second stepping motor for rotating the needle at this time;
A rotational operation member that is rotationally operated from the outside;
A discriminating means for discriminating whether or not the rotation speed of the rotation operation member is equal to or higher than a predetermined value when the rotation operation member is rotated;
First fast-forward control means for performing first drive control for fast-forwarding the minute hand and the hour hand in conjunction with a rotation ratio during time display when the pattern of the determination result of the determination means is the first pattern;
Second fast-forward control means for performing a second drive control for advancing the hour hand by one hour when fast-forwarding when the pattern of the discrimination result of the discrimination means is the second pattern;
Equipped with a,
The second fast-forward control means includes
An electronic timepiece that performs the second drive control when the pattern of the determination result of the determination unit becomes the second pattern after the first pattern . A minute hand,
A first step motor for rotating the minute hand;
Hour hand,
A second stepping motor for rotating the needle at this time;
A rotational operation member that is rotationally operated from the outside;
A discriminating means for discriminating whether or not the rotation speed of the rotation operation member is equal to or higher than a predetermined value when the rotation operation member is rotated;
First fast-forward control means for performing first drive control for fast-forwarding the minute hand and the hour hand in conjunction with a rotation ratio during time display when the pattern of the determination result of the determination means is the first pattern;
Second fast-forward control means for performing a second drive control for advancing the hour hand by one hour when fast-forwarding when the pattern of the discrimination result of the discrimination means is the second pattern;
With
The second fast-forward control means includes
An electronic timepiece that performs the second drive control when a pattern of a determination result of the determination unit becomes the second pattern during the first drive control. The first fast-forward control means includes
After the second drive control is performed by the second fast forward control means, again, the electronic timepiece according to claim 1 or 2, characterized in that to start the first driving control. The first pattern is
It is a pattern in which the determination of the rotation speed above the predetermined is performed N times (N is an arbitrary integer),
The second pattern is
Following the first pattern, further, larger than the predetermined rotational speed of the determination is M times to any one of claim 1 to 3, characterized in that a (M is an arbitrary integer) made pattern The electronic watch described. The first pattern is
It is a pattern determined not to be the rotation speed above the predetermined,
The second pattern is
The electronic timepiece according to any one of claims 1 to 3 , wherein the electronic timepiece is a pattern determined to have a rotation speed greater than or equal to the predetermined speed. The first drive control is:
The minute hand and the hour hand are interlocked so that the hour hand advances the moving amount for one hour on the hour scale while the minute hand advances the moving amount for 60 minutes on the minute scale, and moreover than during the time display. electronic timepiece according to any one of claim 1 to 5, characterized in that a control to rotate at a faster rate. The second drive control is
The electronic timepiece according to any one of claims 1 to 6 , wherein the electronic timepiece is a control in which only the hour hand is rotated at a speed faster than that during time display on the hour scale while the minute hand is stopped. . A magnet that rotates with the rotation of the rotation operation member;
A magnetic sensor for detecting a change in the magnetic field accompanying the rotation of the magnet;
With
The discrimination means includes
Electronic timepiece according to any one of claim 1 to 7, the rotational speed of the rotation operating member based on the change speed of the magnetic field by the magnetic sensor is characterized in that it is determined whether or not a predetermined or higher.

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