JP2017058335A - Electronic watch and drive unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic watch and the like which can suppress a wasteful retreat amount and improve visibility.SOLUTION: An electronic watch 100 comprises pointers 21 and 22 rotating on a dial, a drive part 110 for driving the pointers 21 and 22, display parts 150, 160 and 170 provided on the dial and a control part 180. The control part 180 of the electronic watch 100 finds a retreat position where the pointers 21 and 22 do not overlap a display area of the display part 150 on the basis of the shape and position of the pointers 21 and 22 and the display area of the display part 150. The control part 180 of the electronic watch 100 causes the drive part 110 to retreat the pointers 21 and 22 from the obtained retreat position.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an electronic timepiece having both an analog display and a digital display using a pointer, and a driving device thereof.

  Electronic timepieces having a current time display unit (analog time display unit) and other display units (for example, a digital display unit) by hands on a dial are widely used. In such an electronic timepiece, for example, when the user visually recognizes the digital display unit, if the pointer overlaps the digital display unit, the visibility of the digital display unit deteriorates.

  In order to solve such a problem, for example, Patent Document 1 discloses an electronic timepiece that retracts a pointer when the pointer overlaps above a digital display unit. In this electronic timepiece, a plurality of positions at which the hour hand and the minute hand overlap each other are stored in advance as candidates for a retreat destination. When the user performs the hand retract operation, the electronic timepiece selects the retract destination with the smallest retract amount (the number of steps of the driving means) from the current position of the hour hand and the minute hand from the candidates for the retract destination and selects the hour hand and the minute hand. An electronic timepiece that evacuates is disclosed.

JP 2013-36909 A

  In Patent Document 1, a plurality of positions where the hour hand and the minute hand overlap are set as candidates for the retreat destination. However, there are only a few candidates for these save destinations. Therefore, even if the save destination with the smallest save amount is selected from these save destination candidates, the selected save destination has the smallest save amount other than the save destination candidates, and the pointer does not overlap the digital display unit. Does not match the position.

  Therefore, the electronic timepiece of Patent Document 1 has a wasteful retraction amount. For this reason, the time required for retracting the pointer becomes longer, and the power consumption associated with the retracting increases.

  Therefore, the present invention has been made in view of such circumstances, and an object thereof is to provide an electronic timepiece or the like that can improve visibility while suppressing a useless amount of retraction.

In order to achieve the above object, an electronic timepiece according to the present invention includes:
A pointer that rotates on the dial,
Driving means for driving the pointer;
Display means provided on the dial;
Based on the shape and position of the pointer and the position of the display means, a retract position acquisition means for obtaining a retract position where the pointer does not overlap the display area of the display means;
A retracting means for causing the driving means to retract the pointer to the retracted position acquired by the retracted position acquiring means;
It is characterized by providing.

  According to the present invention, it is possible to improve visibility while suppressing a useless amount of retraction.

It is a figure which shows the external appearance of the electronic timepiece which concerns on embodiment. It is a block diagram which shows the structural example of the electronic timepiece which concerns on embodiment. It is a figure which shows an example of reference information, (A) shows the needle | hook shape information table, (B) has shown the display area information table. It is a figure which shows an example of the flowchart of an evacuation control process. It is a figure which shows the operation example 1 of a needle | hook retraction | saving. It is a figure which shows the operation example 2 of a needle | hook retraction | saving. It is a figure which shows the operation example 3 of a needle | hook retraction | saving.

(Embodiment)
Embodiments of the present invention will be described below with reference to the drawings.

  As shown in FIG. 1, an electronic timepiece 100 according to an embodiment of the present invention is a wristwatch that combines an analog display with a pointer and a digital display. The electronic timepiece 100 includes a minute hand 21 and an hour hand 22 which are two hands on the dial 20. The minute hand 21 is a long hand, and the hour hand 22 is a short hand. The minute hand 21 has an elongated shape compared to the hour hand 22. The minute hand 21 and the hour hand 22 rotate around a rotation axis located at the center on the dial 20.

  FIG. 2 is a block diagram illustrating a configuration example of the electronic timepiece 100. In addition to the dial 20, minute hand 21, and hour hand 22 described above, the electronic timepiece 100 further includes a drive unit 110, a ROM (Read Only Memory) 120, a RAM (Random Access Memory) 130, an operation unit 140, a digital The display unit 150 includes a time display unit 160 having a second hand 25, a date display unit 170 that is a date indicator, and a control unit 180.

  The drive unit 110 includes a plurality of stepping motors, a gear train mechanism, and the like. The drive unit 110 drives each of the plurality of stepping motors separately based on a drive control signal (pulse signal) from the control unit 180. The rotation shafts of the minute hand 21, the hour hand 22, the second hand 25 of the time display unit 160, and the date wheel of the date display unit 170 are connected to different stepping motors via a gear train mechanism. Thereby, the drive part 110 drives the minute hand 21, the hour hand 22, the second hand 25, and the date wheel separately. Note that the stepping motor is configured to be rotatable in both forward and reverse directions, for example, clockwise and counterclockwise. Further, when the minute hand 21 and the hour hand 22 are driven, the forward rotation is configured to be faster than the reverse rotation.

  The ROM 120 is composed of a nonvolatile memory such as a flash memory. The ROM 120 stores programs and data for the control unit 180 to control various functions.

  The RAM 130 is composed of a volatile memory. The RAM 130 is used as a work area for temporarily storing data for the control unit 180 to perform various processes.

  The operation unit 140 includes a push button 23 for accepting a display mode selection operation and a crown 24 for manual time adjustment. The operation unit 140 is an interface used for a user to input an instruction. As shown in FIG. 1, the button 23 and the crown 24 are each provided on the side surface of the dial 20.

  The crown 24 is rotatable while being pulled. The user can set the date by rotating the crown 24 while pulling it firmly. Further, the user can adjust the time (hours and minutes) by rotating the crown 24 while pulling it weakly. When the crown 24 is pulled, the connection between the drive unit 110, the minute hand 21, the hour hand 22, and the date wheel described above is once released, and the state is interlocked with the rotation by the crown 24. That is, when the date and time are adjusted, the rotation by the drive unit 110 is stopped.

  When the button 23 is pressed by the user, the display mode is switched and selected. There are four display modes: a time display mode, a digital display mode, a time display mode, and a date display mode. In the time display mode, priority is given to the normal clock function for displaying the time with the hands on the dial 20, and other functions have priority in display modes other than the time display mode.

  The digital display unit 150 includes, for example, an LCD (Liquid Crystal Display), an EL (Electroluminescence) display, or the like. The digital display unit 150 is used when the user selects a digital display mode, and displays digital data input from the control unit 180. The digital data is numerical data indicating, for example, a time measured by a stopwatch function, a world clock, a timer, an alarm, or the like. As shown in FIG. 1, the digital display unit 150 is provided at the lower center of the dial 20.

  As shown in FIG. 1, the time display unit 160 is provided in the upper left part on the dial 20. The time display unit 160 includes a small dial 26 and a second hand 25 with a scale (not shown). The second hand 25 rotates about the center of the dial 26 as a rotation axis. The time display unit 160 displays time seconds. Strictly speaking, the second hand 25 is also a pointer, but in the present specification, the “hand” is not included.

  As shown in FIG. 1, the date display unit 170 is provided on the right side of the dial 20. The date display unit 170 is a date wheel with a date, and rotates on a rotation axis perpendicular to the rotation axis of the pointer. The date display unit 170 displays the date.

  The control unit 180 is configured by a CPU, for example. The control unit 180 controls the overall operation of the electronic timepiece 100 by executing various programs stored in the ROM 120.

  Next, a functional configuration of the control unit 180 of the electronic timepiece 100 will be described. As illustrated in FIG. 2, the control unit 180 includes a mode selection receiving unit 181, a reference information acquisition unit 182, a pointer position acquisition unit 183, a determination unit 184, a retraction position acquisition unit 185, a retraction execution unit 186, a time measurement unit 187, It functions as the signal generation unit 188.

  The mode selection receiving unit 181 receives display mode switching selection by pressing the button 23 of the operation unit 140, and identifies the selected display mode.

  The reference information acquisition unit 182 acquires reference information stored in the ROM 120. Here, in the present specification, when the display mode other than the time display mode is selected, the reference information overlaps the display area of the display unit corresponding to the display mode in which the pointer for displaying the time is selected. Information that is referred to when determining whether or not the evacuation position is determined when it is determined that they are overlapped. The reference information is input by the manufacturer or user when the electronic timepiece 100 is manufactured or initially set.

  Here, the reference information will be described in detail with reference to FIGS. The reference information includes, for example, a needle shape information table 191 and a display area information table 192. As shown in FIG. 3A, the needle shape information table 191 stores the needle shape information of the minute hand 21 and the hour hand 22. The needle shape information is data indicating the length L (mm) and the width W (mm) of the pointer. The width of the pointer is the maximum width. As shown in FIG. 3B, the display area information table 192 stores data indicating the display areas of the digital display unit 150, the time display unit 160, and the date display unit 170 as grid coordinate groups.

  Here, the grid coordinate group means a set of grid coordinates. The grid coordinates are coordinates given to a grid obtained by finely dividing the plane on the dial 20 in the vertical and horizontal directions in FIG. The grid is, for example, a square of 0.1 (mm) × 0.1 (mm). The grid coordinates are, for example, an orthogonal coordinate system (x, y) in which the center position of the dial 20 in FIG. 1 is the origin, the 3 o'clock direction is the positive direction of the x axis, and the 12 o'clock direction is the positive direction of the y axis. Indicated.

  For example, in FIG. 3B, the grid coordinate groups of the digital display unit 150 are (−150, −160) (50, −120) and (100, −160) (150, −120). Two regions are shown. This is because there is a gap that is not a display area between “19:40” and “13” displayed on the digital display unit 150 in FIG. The gap corresponds to the grid coordinate group (50, −160) (100, −120).

  On the other hand, in the time display unit 160 and the date display unit 170, the entire area in FIG. 1 is a display area and there is no gap. Therefore, in FIG. 3B, the display area of the time display unit 160 and the date display unit 170 is only one grid coordinate group.

  For the sake of easy understanding, the grid coordinate group shown in FIG. 3B is representative of coordinates having the smallest x value and coordinates having the largest x value among the coordinate groups of the display area. The other coordinates are omitted by "...". That is, the display area has a rectangular shape and does not indicate the coordinates of the two corners of the rectangular shape. For example, the display area of the clock display unit 160 is circular as shown in FIG. In this case, the grid coordinate group in the display area of the time display unit 160 shows a circular left end coordinate and a right end coordinate as representative examples. Strictly speaking, the grid coordinate group in the display area of the time display unit 160 is a grid coordinate group corresponding to a shape obtained by approximating the circle shown in FIG. 1 with a fine square grid.

  Here, the description of the reference information is finished, and the description returns to the functional configuration of the control unit 180 of the electronic timepiece 100 shown in FIG.

  The pointer position acquisition unit 183 acquires the positions of the current pointer (the minute hand 21 and the hour hand 22). The position of the pointer is the rotation angle of the pointer. The control unit 180 acquires the area currently occupied by the pointer as a grid coordinate group based on the needle shape information acquired by the reference information acquisition unit 182 and the position of the pointer acquired by the pointer position acquisition unit 183. .

  The determination unit 184 includes a display area of a display unit (any one of the digital display unit 150, the time display unit 160, and the date display unit 170) corresponding to the display mode in which the hands (the minute hand 21 and the hour hand 22) are selected. Determine if they overlap. The determination unit 184 compares the region currently occupied by the pointer with the display region of the display unit corresponding to the selected display mode, and determines whether or not the same coordinates are included in those grid coordinate groups. judge. If the same coordinates exist, it is determined that they are overlapping, and if the same coordinates do not exist, it is determined that they are not overlapping.

  When the determination unit 184 determines that the determination unit 184 overlaps, the retraction position acquisition unit 185 obtains the retraction position of the pointer. The retreat position acquisition unit 185 includes a pointer shape (needle shape information acquired by the reference information acquisition unit 182) and position (rotation angle), and a display area (grid coordinate group) corresponding to the selected display mode. ), The position where the hands (the minute hand 21 and the hour hand 22) do not overlap the display area of the display unit is obtained as the retracted position.

  The retreat position acquisition unit 185 selects a position that can be retreated in the shortest time as a retreat position. For example, two nearest positions in the forward direction and the reverse direction are searched from the current position, and the earlier one is selected as the retreat position. That is, the retreat position acquisition unit 185 considers both the number of steps of the stepping motor necessary for movement and the rotation speed in the forward rotation direction and the reverse rotation direction when obtaining the retraction position.

  The retreat execution unit 186 performs retraction of the pointer that retreats the pointer to the retraction position acquired by the retraction position acquisition unit 185. The retreat execution unit 186 inputs a drive signal to the drive unit 110 and rotates the stepping motor connected to the pointer of the drive unit 110 at a speed faster than usual until the number of steps corresponds to the target retreat position. Rotate.

  The timer unit 187 includes a counter circuit that counts the number of pulses of the clock signal of the clock signal generator 188. The time measuring unit 187 measures time based on the number of pulses counted.

  The clock signal generation unit 188 includes a crystal oscillator that generates a reference clock, a variable PLL that generates a clock signal having a desired frequency from the reference clock, and the like. The frequency of the clock signal is controlled by changing the frequency division ratio of a variable PLL (phase-locked loop).

  The configuration of the electronic timepiece 100 has been described above. Next, a retraction control process for retreating the pointer of the electronic timepiece 100 will be described with reference to the flowchart of FIG.

  This process is started when the electronic timepiece 100 is activated, for example. First, when the user presses the button 23 of the operation unit 140, the mode selection receiving unit 181 of the control unit 180 receives a selection to switch the display mode (step S101).

  The mode selection receiving unit 181 of the control unit 180 identifies the selected display mode (step S102). As a result, when the selected display mode is the time display mode (step S102; No), the control unit 180 returns to step S101 and waits until a display mode switching selection is accepted again. When the selected display mode is a display mode other than the time display mode (step S102; Yes), the control unit 180 specifies a display unit (for example, the digital display unit 150) corresponding to the selected display mode (step S102). S103).

  Next, the reference information acquisition unit 182 of the control unit 180 acquires the reference information shown in FIGS. 3A and 3B from the ROM 120 (step S104). The pointer position acquisition unit 183 of the control unit 180 acquires the current pointer position (the number of steps of the stepping motor that drives the minute hand 21 and the hour hand 22) (step S105). Here, the control unit 180 includes the needle shape information (the needle shape information table 191 in FIG. 3A) included in the reference information acquired by the reference information acquisition unit 182 and the current position acquired by the pointer position acquisition unit 183. Based on the pointer position, the area currently occupied by the pointer is acquired as a grid coordinate group.

  The determination unit 184 of the control unit 180 includes the hands (the minute hand 21 and the hour hand 22) in the display area (for example, the display area information table 192 in FIG. 3B) corresponding to the selected display mode. It is determined whether or not it overlaps with the grid coordinate group of the digital display unit 150 (step S106).

  When it is determined that the determination unit 184 of the control unit 180 is not overlapped (step S106; No), the control unit 180 returns to step S101 and waits until the display mode switching selection is accepted again. When it determines with the determination part 184 of the control part 180 having overlapped (step S106; Yes), the retraction position acquisition part 185 of the control part 180 acquires a retraction position (step S107).

  When the retreat position is acquired, the retreat execution unit 186 of the control unit 180 executes retreat processing (step S108). The retreat execution unit 186 of the control unit 180 rotates the stepping motor of the drive unit 110 forward or backward until the number of steps corresponding to the retreat position is reached. When the saving process ends, the control unit 180 once ends the saving control process, returns to step S101, and waits until a display mode switching selection is accepted again.

  The above is the save control process. Next, an operation example of the pointer retraction based on the retraction control process will be described. 5 to 7 described below, the same components as those in FIG. 1 are denoted by the same reference numerals.

  5 is an enlarged view of the dial 20 portion of the electronic timepiece 100 shown in FIG. 1. The minute hand 21 overlaps the date display unit 170 and the hour hand 22 overlaps the display area of the time display unit 160. It shows the state. In this state, when the time display mode is selected, the hour hand 22 is retreated to a retreat position that does not overlap the display area of the time display unit 160 by the retreat process, as indicated by a virtual line.

  In this retracting process, the hour hand 22 is retracted in the clockwise direction. When viewed from the current position of the hour hand 22, the retracted amount (the angle by which the hour hand 22 is rotated) is smaller when retracted counterclockwise. However, since the rotation speed of the stepping motor is faster in the clockwise direction, this retracting process retracts the hour hand 22 to the retracted position in the clockwise direction. Since the time display mode is selected, the minute hand 21 will not retract even if the minute hand 21 overlaps the display area of the date display unit 170 corresponding to the date display mode.

  6 and 7 show an example of the operation of retracting the pointer when the length and width of the minute hand 21 and hour hand 22 of the electronic timepiece 100 are deformed. 6 and 7 are assumed to have the same pointer position (that is, the same time).

  In FIG. 6, the minute hand 31 and the hour hand 32 have a large width and a long length, respectively. In addition, since the minute hand 31 and the hour hand 32 overlap the display area of the digital display unit 150, it is difficult to see characters.

  In this state, when the digital display mode is selected, the minute hand 31 and the hour hand 32 are retracted to the retracted positions as indicated by virtual lines by the retracting process. In particular, the minute hand 31 is retracted to a position where it does not overlap the digital display unit 150.

  On the other hand, in FIG. 7, the minute hand 41 and the hour hand 42 have a small width and a short length, respectively. Although the position of the pointer is the same as that in FIG. 6, the hour hand 42 does not overlap the display area of the digital display unit 150 due to its short length. However, the minute hand 41 overlaps the display area of the digital display unit 150.

  In this state, when the digital display mode is selected, only the minute hand 41 is retracted to the retracted position as indicated by a virtual line by the retracting process. Further, unlike the case of FIG. 6, the minute hand 41 is retracted to a position overlapping the digital display unit 150.

  This is because the minute hand 41 is smaller in width and shorter than the minute hand 31 in FIG. 6, so that the minute hand 41 fits in the gap between the two display areas of the digital display unit 150. That is, the minute hand 41 does not overlap the display area of the digital display unit 150 even if it overlaps the digital display unit 150 at the retracted position.

  In addition, the minute hand 41 is not at a position where it does not overlap the digital display unit 150, but is retracted toward the gap between the two display areas of the digital display unit 150 with a smaller retraction amount. Therefore, the retracted amount of the minute hand 41 is smaller than the retracted amount of the minute hand 31 in FIG. As described above, in the electronic timepiece 100 of the present embodiment, when the width and length of the hands (the minute hand 21 and the hour hand 22) are changed, the way of retracting the hands is different. This is because the control unit 180 determines whether the pointer overlaps the display area of the display unit corresponding to the selected display mode based on the width and length of the pointer. This is because the retraction position is obtained based on the above.

  As described above, the electronic timepiece 100 of the above embodiment includes the display area (for example, the digital display unit 150) of the display unit (for example, the digital display unit 150) corresponding to the shape (length and width) and position of the minute hand 21 and the hour hand 22 and the selected display mode. The minute hand 21 and hour hand 22 are obtained at the retracted position where the minute hand 21 and hour hand 22 do not overlap the display area of the display unit (for example, the digital display unit 150), and the minute hand 21 and hour hand 22 are placed at the retracted position acquired by the drive unit 110. Evacuated.

  In this case, the electronic timepiece 100 retracts the minute hand 21 and the hour hand 22 to the retracted position determined in consideration of the shapes of the minute hand 21 and the hour hand 22. Therefore, depending on the shape of the minute hand 21 and the hour hand 22, it is possible to retract to the gap in the display area of the digital display unit 150, for example, as shown in FIG.

  Therefore, there are more candidates that can be selected as the save destination, and the save destination (retreat position) with the smallest save amount can be selected from among the candidates. Therefore, it is possible to suppress a useless amount of evacuation. As a result, the time required for retracting the pointer is shortened and power consumption can be reduced. Further, since the position that does not overlap the display area of the display unit corresponding to the selected display mode is set as the retracted position, the visibility can be improved.

  In addition, if the configuration of the electronic timepiece 100 shown in FIG. 2 including the driving unit 110 and the control unit 180 is an independent driving device, the driving device includes the minute hand 21, the hour hand 22, and the digital display of the electronic timepiece 100. Even if the unit 150, the time display unit 160, and the date display unit 170 are replaced with another pointer or display unit, they can be used as they are.

  For example, even if the hand is replaced with another hand, if the hand shape information is input to the hand shape information table 191 of the ROM 120, the same needle retraction as the electronic timepiece 100 can be realized. Further, even when the display unit is replaced with another display unit, if the display area of the display unit is input to the display area information table 192 of the ROM 120, the same pointer retraction as the electronic timepiece 100 can be realized.

  Therefore, the driving device including the driving unit 110 and the control unit 180 can be used for an electronic timepiece having hands having various shapes and a display unit (display area), and is excellent in versatility.

  The above is the description of the embodiment. In addition, the said embodiment is an example and the specific structure of the electronic timepiece 100, the content of a process, etc. are not restricted to what was demonstrated in the said embodiment. Accordingly, a modification of the above embodiment will be described below.

(Modification)
In the above embodiment, the retraction position acquisition unit 185 of the control unit 180 refers to the data indicating the length and width of the minute hand 21 and the hour hand 22 stored in the ROM 120 and obtains the retraction position based on these data. ing. However, the present invention is not limited to such a form. For example, instead of data indicating the length and width of the minute hand 21 and hour hand 22, data indicating the shape of the minute hand 21 and hour hand 22 may be stored in the ROM 120, and the retracted position may be obtained based on these data.

  In the embodiment described above, the electronic timepiece 100 changes to the display mode in which the determination unit 184 of the control unit 180 is selected as the pointer when the button 23 is pressed and a display mode other than the time display mode is selected. It is determined whether or not the display areas of the corresponding display units are overlapped. When the determination unit 184 determines that the display areas are overlapped, the pointer is saved.

  However, the determination by the determination unit 184 of the control unit 180 and the saving of the hands may be executed not at the time when a display mode other than the time display mode is selected but at other times. For example, instead of selection of display mode switching, a save instruction from the user may be used as a trigger. In this case, the user can freely determine the timing for retracting the pointer. Note that such a sub-clock includes, for example, a button that accepts a save instruction from the user instead of the button 23, and accepts a save instruction that accepts a save instruction from the user instead of the mode selection accepting unit 181 of the control unit 180. A part.

  In the above embodiment, the data indicating the display areas of the digital display unit 150, the time display unit 160, and the date display unit 170 is a grid coordinate group as shown in FIG. However, the data indicating the display area of the display unit is not a grid coordinate group, but also a grid coordinate at the center position, a vertical dimension (length in the y-axis direction), and a horizontal dimension (length in the x-axis direction). Good. However, in this case, even if the actual display area is circular as in the time display section 160, the display area is data indicating a rectangular shape, and therefore can be applied only when there is no circular display section. preferable.

  In the embodiment described above, the position of the pointer is the rotation angle of the pointer. However, not only the rotation angle of the pointer, but also the step number of the stepping motor driving the pointer, or the rotation angle of the pointer is converted from the step number of the stepping motor driving the pointer, It is good also as the rotation angle calculated | required by the conversion.

  In the above embodiment, the maximum width is used as data indicating the width of the minute hand 21 and the hour hand 22 included in the hand shape information table 191 of the ROM 120. However, the average width is not limited to the maximum width. Since the data indicating the width of the minute hand 21 and the hour hand 22 is most preferably the maximum width in the portion overlapping the display area of the display unit, data indicating such width may be used. In addition, since the portion where the minute hand 21 and the hour hand 22 overlap with the display area of the display portion is hardly near the root of the pointer, the width may be determined except for such a portion.

  In the above embodiment, the reference information is stored in the ROM 120, but is not limited thereto. For example, the reference information may be stored in the RAM 130.

  In the above embodiment, the grid coordinates are indicated by the orthogonal coordinates (x, y), but the angle R formed with respect to the distance R from the origin and the axis in the 3 o'clock direction from the center of the dial 20 as the origin. May be used to indicate polar coordinates (R, θ). The actual operation amount in the evacuation process is the rotation angle of the pointer (the number of steps of the stepping motor that drives the pointer). Therefore, when polar coordinates are used as the grid coordinates, the angle θ indicated by the grid coordinates is advantageous in that it can be directly compared with a rotation angle that is an operation amount.

  In the above embodiment, there are four display modes: time display mode, digital display mode, time display mode, and date display mode. However, the present invention is not limited to this. There may be one or more display modes corresponding to the display unit other than the time display mode.

  The preferred embodiments and modifications of the present invention have been described above, but the present invention is not limited to the specific embodiments. The present invention includes the invention described in the claims and equivalents thereof. A range is included. Hereinafter, the invention described in the scope of claims of the present application will be appended.

(Appendix 1)
A pointer that rotates on the dial,
Driving means for driving the pointer;
Display means provided on the dial;
Based on the shape and position of the pointer and the display area of the display means, a retract position acquisition means for obtaining a retract position where the pointer does not overlap the display area of the display means;
A retracting means for causing the driving means to retract the pointer to the retracted position acquired by the retracted position acquiring means;
An electronic timepiece characterized by comprising:

(Appendix 2)
The pointer consists of a minute hand and an hour hand,
The retracted position acquisition means obtains the retracted position of each of the minute hand and hour hand with the width and length of the minute hand and hour hand as the shape of the pointer,
The electronic timepiece according to appendix 1, wherein:

(Appendix 3)
A selection operation receiving means for receiving a user's display mode selection operation;
Determination means for determining whether or not the pointer overlaps a display area of the display means;
Further comprising
The display mode includes a time display mode for displaying time with the hands, and a display mode other than the time display mode,
When the mode other than the time display mode is selected by the selection operation accepting unit, the determination unit performs the determination, and when it is determined that the determination overlaps, the retracted position acquisition unit is Obtaining the retracted position, and the retracting means retracts the pointer based on the retracted position;
The electronic timepiece according to appendix 1 or 2, characterized by the above.

(Appendix 4)
Display modes other than the time display mode are:
Digital display mode for displaying digital data,
Timekeeping display mode that displays timekeeping information in seconds,
Date display mode to display the date,
Including
The display means is a display means corresponding to a display mode other than the time display mode selected by the selection operation accepting means.
The wireless communication device according to attachment 3, wherein

(Appendix 5)
An evacuation instruction accepting unit for accepting an evacuation instruction from a user;
Determination means for determining whether or not the pointer overlaps a display area of the display means;
Further comprising
When the retraction instruction accepting unit has accepted the retraction instruction, the determination unit performs the determination, and when it is determined that the determination overlaps, the retraction position acquisition unit obtains the retraction position. The retracting means retracts the pointer based on the retracted position;
The electronic timepiece according to appendix 1 or 2, further comprising:

(Appendix 6)
Driving means for driving a pointer rotating on the dial;
Based on the shape and position of the pointer and the display area of the display means on the dial, a retract position acquisition means for obtaining a retract position where the pointer does not overlap the display area of the display means;
A retracting means for causing the driving means to retract the pointer to the retracted position acquired by the retracted position acquiring means;
A drive device comprising:

20 ... Dial, 21, 31, 41 ... Minute hand, 22, 32, 42 ... Hour hand, 23 ... Button, 24 ... Crown, 25 ... Second hand, 26 ... Dial, 100 ... Electronic clock, 110 ... Drive unit, 120 ... ROM, 130 ... RAM, 140 ... operation unit, 150 ... digital display unit, 160 ... time display unit, 170 ... date display unit, 180 ... control unit, 181 ... mode selection reception unit, 182 ... reference information acquisition unit, 183 ... Pointer position acquisition unit, 184 ... determination unit, 185 ... retraction position acquisition unit, 186 ... retraction execution unit, 187 ... timer unit, 188 ... clock signal generation unit, 191 ... needle shape information table, 192 ... display area information table

Claims (6)

A pointer that rotates on the dial,
Driving means for driving the pointer;
Display means provided on the dial;
Based on the shape and position of the pointer and the display area of the display means, a retract position acquisition means for obtaining a retract position where the pointer does not overlap the display area of the display means;
A retracting means for causing the driving means to retract the pointer to the retracted position acquired by the retracted position acquiring means;
An electronic timepiece characterized by comprising: The pointer consists of a minute hand and an hour hand,
The retracted position acquisition means obtains the retracted position of each of the minute hand and hour hand with the width and length of the minute hand and hour hand as the shape of the pointer,
The electronic timepiece according to claim 1. A selection operation receiving means for receiving a user's display mode selection operation;
Determination means for determining whether or not the pointer overlaps a display area of the display means;
Further comprising
The display mode includes a time display mode for displaying time with the hands, and a display mode other than the time display mode,
When the mode other than the time display mode is selected by the selection operation accepting unit, the determination unit performs the determination, and when it is determined that the determination overlaps, the retracted position acquisition unit is Obtaining the retracted position, and the retracting means retracts the pointer based on the retracted position;
The electronic timepiece according to claim 1 or 2, characterized in that Display modes other than the time display mode are:
Digital display mode for displaying digital data,
Timekeeping display mode that displays timekeeping information in seconds,
Date display mode to display the date,
Including
The display means is a display means corresponding to a display mode other than the time display mode selected by the selection operation accepting means.
The electronic timepiece according to claim 3. An evacuation instruction accepting unit for accepting an evacuation instruction from a user;
Determination means for determining whether or not the pointer overlaps a display area of the display means;
Further comprising
When the retraction instruction accepting unit has accepted the retraction instruction, the determination unit performs the determination, and when it is determined that the determination overlaps, the retraction position acquisition unit obtains the retraction position. The retracting means retracts the pointer based on the retracted position;
The electronic timepiece according to claim 1 or 2, characterized in that Driving means for driving a pointer rotating on the dial;
Based on the shape and position of the pointer and the display area of the display means on the dial, a retract position acquisition means for obtaining a retract position where the pointer does not overlap the display area of the display means;
A retracting means for causing the driving means to retract the pointer to the retracted position acquired by the retracted position acquiring means;
A drive device comprising:

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