JP2019158343A - Electronic watch - Google Patents

Abstract

To display information other than time information with a secondary needle without damaging the decorativeness of an electronic watch.SOLUTION: In an electronic watch 1A, indices 202 showing time are arranged on an outer periphery of a number plate 11. A second hand 21, minute hand 22, and hour hand 23 display the time by indicating an index 202 and a scale 201. The number plate 11 includes a secondary needle display area 240A for displaying information with a secondary needle 24. The index 202 closest to the secondary needle display area 240A has a length equal to that of other index 202. In the electronic watch 1A, the secondary needle display area 240A is reduced by displaying a plurality of types of information also using the secondary needle 24.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an electronic timepiece that displays information using a sub-hand display area.

  In recent electronic watches, various functions such as a GPS (Global Positioning System) reception function have been provided. For this reason, it is necessary to display various types of information other than the time, and in addition to the time hand, a sub-hand has been provided on the dial.

  For example, as disclosed in Patent Document 1, there is a case in which a sub-needle display area for displaying information with a sub-needle is secured on a dial by shortening some indexes. There is also an electronic timepiece in which a sub-hand display area is secured on a dial without providing some indexes.

JP 2017-173047 A

  However, the conventional electronic timepiece has a problem in that the high-quality feeling of the timepiece is lowered, for example, an index shorter than the others is used to secure the sub-hand display area.

  An electronic timepiece according to an aspect of the present invention is provided in a plurality of indexes arranged on the outer periphery of a dial, a time hand that displays time by indicating the index, and a sub-hand display area of the dial. A sub-needle, and the length of the index closest to the sub-needle display area among the plurality of indexes is equal to the length of the other index of the plurality of indexes, It is characterized by displaying information.

  According to this aspect, since the index closest to the sub-hand display area has the same length as the other indexes, the high-quality feeling of the electronic timepiece can be maintained. In addition, since a plurality of types of information are displayed together with the secondary needle, sufficient information can be displayed with the secondary needle.

  In a preferred aspect, the electronic timepiece has a calendar display area on the dial, and a plurality of indexes are arranged at equal intervals on the outer periphery of the dial.

  Even in this embodiment, the high-class feeling of the watch can be maintained.

  An electronic timepiece according to an aspect of the present invention includes a plurality of indexes arranged at equal intervals on the outer periphery of the dial, a time hand that displays time by indicating the index, and a sub-hand display of the dial A sub-needle provided in the area and a calendar display area provided in the dial, wherein the plurality of indexes include a first index and a second index, and the first index is The second index is arranged at a position closest to the calendar display area among the plurality of indexes, and is the length of the first index. The length of each of the plurality of indexes excluding the second index is equal to the length of the index. And wherein the Shimesuru.

  According to this aspect, since the lengths of the indexes excluding the second index are equal to each other, a high-class feeling of the electronic timepiece can be maintained. In addition, since a plurality of types of information are displayed together with the secondary needle, sufficient information can be displayed with the secondary needle. Note that the lengths being equal include substantially the same, and include, for example, a range of variations in manufacturing the index.

  In a preferred embodiment, the secondary needle displays any of the remaining battery level, illuminance, radio wave reception level, daylight saving time display setting, or day of the week.

  Even in this embodiment, the high-class feeling of the watch can be maintained.

  In a preferred embodiment, the information displayed by the sub-needle is switched according to the operation of the operation unit.

  According to this aspect, various types of information can be displayed by a narrow sub-needle display area.

  In a preferred aspect, the time hand has a second hand, and the second hand displays the type of information displayed by the sub-hand.

  According to this aspect, the user can be informed of the type of information displayed by the secondary needle.

  In a preferred aspect, the sub-needle is a retrograde needle having a rotation range of less than 180 °.

  According to this aspect, information can be accurately visually recognized by the narrow secondary needle display area.

  In a preferred embodiment, there is a logo at the 12 o'clock position on the dial, and the secondary needle is at a position different from the position of the logo on the dial.

  According to this aspect, the high-class feeling of the electronic timepiece can be maintained.

  In a preferred aspect, an antenna is provided at a position that does not overlap the sub-needle in a plan view along the normal direction of the dial.

  According to this aspect, the movement including the sub-needle drive mechanism and the antenna can be made thin.

  In a preferred aspect, a plurality of types of scales are written in the secondary needle display area, and the secondary needles indicate the scales.

  According to this aspect, it is possible to display a plurality of types of information with a narrow sub-needle display area.

It is a top view which shows the structure of the electronic timepiece which is 1st Embodiment of this invention. It is a top view which shows the structure of the subhand display area of the electronic timepiece. It is sectional drawing of the same electronic timepiece. It is a block diagram which shows the structure of the electric circuit of the same electronic timepiece. It is a figure which shows the relationship between the open voltage of the solar cell of the electronic timepiece, and illumination intensity. It is a flowchart which shows the battery voltage detection process of the electronic timepiece. It is a figure which shows the effect of the electronic timepiece. It is a flowchart which shows the illumination intensity detection process of the same electronic timepiece. It is a top view which shows the modification of the embodiment. It is a top view which shows the structure of the electronic timepiece which is 2nd Embodiment of this invention. It is a top view which shows the structure of the subhand display area of the electronic timepiece. It is sectional drawing of the same electronic timepiece. It is a block diagram which shows the structure of the electric circuit of the same electronic timepiece. It is a flowchart which shows the standard radio wave reception process of the same electronic timepiece. It is a flowchart which shows the daylight saving time display control processing of the same electronic timepiece. It is a top view which shows the structure of the electronic timepiece which is 3rd Embodiment of this invention. It is a top view which shows the structure of the subhand display area of the electronic timepiece. It is sectional drawing of the same electronic timepiece. It is a block diagram which shows the structure of the electric circuit of the same electronic timepiece. It is a flowchart which shows the display mode switching process of the same electronic timepiece. It is a top view which shows the structure of the electronic timepiece which is 4th Embodiment of this invention. It is a top view which shows the structure of the subhand display area of the electronic timepiece. It is a top view which shows the structure of the electronic timepiece which is 5th Embodiment of this invention. It is a top view which shows the structure of the subhand display area of the electronic timepiece.

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

<First Embodiment>
[Schematic configuration of electronic watch]
FIG. 1 is a plan view showing the configuration of an electronic timepiece 1A according to the first embodiment of the present invention. FIG. 2 is a plan view showing the configuration of the sub-hand display area 240A of the electronic timepiece 1A. FIG. 3 is a cross-sectional view of the electronic timepiece 1A. In the following description, the upper or front surface means the cover glass 33 side, and the lower or back surface means the back cover 34 side.

  As shown in FIGS. 1 and 3, the electronic timepiece 1 </ b> A includes an exterior case 30, a cover glass 33, and a back cover 34. The outer case 30 has a cylindrical shape and is made of metal. A crown 43 is provided on the side surface of the exterior case 30. As shown in FIG. 3, of the two openings of the exterior case 30, the opening on the front side is closed with a cover glass 33, and the opening on the back side is closed with a back cover 34 made of metal. ing.

  An annular recess 35 is formed on the inner periphery of the upper surface of the outer case 30, and the outer periphery of the cover glass 33 is fixed to the annular portion 35. Further, on the inner side of the annular portion 35 of the outer case 30, the dial 11, the second hand 21, the minute hand 22, the hour hand 23 and the sub-hand 24, the calendar wheel 25, the second hand 21, the minute hand 22, the hour hand 23, A drive mechanism 140 for driving the sub-needle 24 and the calendar wheel 25 is provided. Hereinafter, the second hand 21, the minute hand 22, the hour hand 23, and the sub-hand 24 may be collectively referred to as a pointer.

  The dial 11 is a circular plate that displays the time inside the exterior case 30, and includes hands 21 to 24 between the dial 11 and the cover glass 33. A solar cell 131 is provided between the dial 11 and the ground plate 125. The solar cell 131 is a photovoltaic element that performs photovoltaic generation that converts light energy into electrical energy. The solar cell 131 can generate power by receiving light transmitted through the cover glass 33 and the dial 11.

  The dial plate 11, the solar battery 131, and the ground plate 125 are formed with holes through which the pointer shaft 29 of the pointers 21 to 23 and the pointer shaft 26 of the sub needle 24 pass. Further, the dial 11 and the solar cell 131 are formed with an opening of the calendar small window 15.

  The drive mechanism 140 is attached to the ground plane 125 and is covered with the circuit board 120 from the back cover side. The drive mechanism 140 has a step motor and a wheel train such as a gear, and the step motor drives the hands 21 to 24 and the calendar wheel 25 through the wheel train.

  Specifically, the drive mechanism 140 includes first to fourth drive mechanisms. The first drive mechanism drives the hands 22 and 23, the second drive mechanism drives the hands 21, the third drive mechanism drives the sub-needle 24, and the fourth drive mechanism drives the calendar wheel 25.

  The circuit board 120 includes a control device 150A on the surface side. On the back cover side of the circuit board 120, a circuit holder 122 for holding the circuit board 120 from the back cover 34 side is provided. A secondary battery 132 is provided between the main plate 125 and the back cover 34. The secondary battery 132 is a power source of the electronic timepiece 1 </ b> A and is charged by the power generated by the solar battery 131. An example of the secondary battery 132 is a lithium ion battery.

[Electronic watch display mechanism]
The pointers 21 to 23 are attached to a pointer shaft 29 provided along the front and back direction of the dial 11 at the center of the dial 11. The pointer shaft 29 is composed of three pointer shafts to which the pointers 21 to 23 are attached.

  As shown in FIG. 1, a scale 201 that divides the outer peripheral portion into 60 parts is written on the outer peripheral portion of the dial 11. Using this scale 201, the second hand 21 displays “second” of time, the minute hand 22 displays “minute” of time, and the hour hand 23 displays “hour” of time. Thus, the hands 21 to 23 constitute a time hand for displaying the time. In addition, as shown in FIG. 1, time letters, which are twelve rod-shaped indexes 202 that divide the outer periphery into 12 parts, are written on the outer periphery of the dial 11. Of these twelve indexes 202, the eleven indexes 202 excluding the three o'clock position have the same length in the radial direction of the dial plate 11, and the inner end of each index 202 is the plane center of the dial plate 11. On the same circumference. That is, as shown in FIG. 3, except for the index at the 3 o'clock position, every index 202 has the same distance LA from the center of the pointer shaft 29 that is the plane center of the dial 11 to the inner end of the index 202. is there.

  In the electronic timepiece 1A, the logo display area 204 is located near the index 202 indicating 12:00 from the plane center of the dial 11. By providing the logo display area 204 at the 12 o'clock position in this way, a high-class feeling (decorativeness) as an electronic timepiece is enhanced.

  The sub needle 24 is attached to a pointer shaft 26 provided at a position in the 8 o'clock direction from the plane center of the dial 11. FIG. 2 shows details of the sub-needle display area 240A in which information is displayed as the sub-needle 24 rotates about the pointer shaft 26. Hereinafter, the notation of the outer periphery of the rotation region of the sub needle 24 will be described. The “n hour direction” (n is an arbitrary natural number) is the outer periphery of the rotation region of the sub needle 24 from the pointer shaft 26 of the sub needle 24. This is the direction when looking at. In the present embodiment, only one sub-hand display area 240A is provided in order to maintain the high-quality feeling of the electronic timepiece.

In order to provide the sub-hand display area 240A on the dial 11, if some of the indexes 202 are eliminated or shorter than others, the decorativeness of the electronic timepiece 1A is impaired. In order to avoid such inconvenience, it is necessary to reduce the area of the secondary needle display area 240A. However, if the area of the sub-needle display area 240A is reduced, the visibility of the sub-needle 24 is impaired, and it becomes difficult to inform the user of the information displayed by the sub-needle 24. It is difficult to solve this problem while keeping the secondary needle display area 240A circular. Therefore, in the present embodiment, the secondary needle 24 is a retrograde needle, and the secondary needle display area 240A is fan-shaped. Retrograde needles have a fan-shaped rotation range instead of a circle. When the retrograde hand is used for the second hand or the calendar hand, it is common to fly back to the base point at the moment when the retrograde hand reaches the end of the scale. The retrograde needle in this embodiment does not necessarily fly back.
Further, in the present embodiment, the central angle of the sub-needle display area 240A is examined when making the sector shape a sector. If this central angle is too small, the area of the secondary needle display area 240A can be reduced, but the visibility of the secondary needle 24 will be excessively impaired. Conversely, if the central angle is too large, This is because the visibility is not impaired, but the area of the secondary needle display area 240A cannot be reduced. When the inventor of the present application studied, it was concluded that the sector central angle of the sub-needle display area 240A is preferably 30 ° or more and less than 180 °. In the sub-needle display area 240A of the present embodiment, the rotation range of the sub-hand 24 is a range from the 9 o'clock direction to the 12 o'clock direction. That is, in the present embodiment, the center angle of the sector shape of the sub-needle display region 240A is 90 °.

  The outer circumference of the sub-needle display area 240A in the range from 9 o'clock to 12 o'clock is a shape along the arc of the outer circumference, the base end 711 in the 12 o'clock direction is thick, and the tip 712 in the 9 o'clock direction is thin. An indicator 71 which is a crescent moon-like symbol is shown. In the indicator 71, a mark H meaning High is written at the position of the base end 711, and a mark L meaning Low is written at the position of the tip 712. Further, in the indicator 71, a mark M meaning Middle is written at a position intermediate between the base end 711 and the tip end 712.

  In the present embodiment, the sub needle 24 and the indicator 71 are used for displaying the remaining battery level and displaying the illuminance. The display of the remaining battery level will be described as an example. The auxiliary needle 24 displays the remaining battery level in three preset levels. The sub-needle 24 indicates that the remaining battery level is the maximum of the three levels by indicating the base end 711 on which the mark H is indicated, and indicates the tip 712 on which the mark L is indicated. In this case, it is displayed that the remaining battery level is the minimum of the three levels, and the position where the mark M is indicated indicates that the remaining battery level is an intermediate level among the three levels. . The illuminance is also displayed by the sub-needle 24 and the indicator 71 in the same manner as the battery remaining amount.

  Thus, when the display means including the secondary needle 24 and the indicator 71 is used for displaying both the remaining battery level and the illuminance, a means for notifying the user of the information currently displayed by the secondary needle 24 and the indicator 71 is necessary. Become. Therefore, in the present embodiment, as shown in FIG. 1, an illuminance detection index 203 that is a sun mark is written at the 3 second position on the outer periphery of the dial 11. In this embodiment, when the display unit including the sub-hand 24 and the indicator 71 displays illuminance, the second hand 21 indicates the illuminance detection index 203. By doing in this way, the user can know whether what is currently displayed by the display means including the sub needle 24 and the indicator 71 is the remaining battery level or the illuminance.

  As shown in FIG. 1, the calendar small window 15 is located at 3 o'clock from the center of the dial 11, and is provided in an opening that opens the dial 11 in a rectangular shape. The numbers printed on are visible. The calendar wheel 25 displays the “day” of the year, month and day by making the number visible from the opening.

  Of the twelve indexes 202 arranged on the outer periphery of the dial 11 at equal intervals, the index 202 at the 8 o'clock position is closest to the sub-hand display area 240A. The index 202 at the 8 o'clock position is the first index. Of the twelve indexes 202 arranged on the outer periphery of the dial 11 at equal intervals, the index 202 at the 3 o'clock position is closest to the calendar small window 15 which is the calendar display area. The index 202 at the 3 o'clock position is the second index. In the present embodiment, the length of the first index along the direction toward the pointer shaft 29 is longer than the length of the second index. In the present embodiment, the lengths of the indexes excluding the second index among the twelve indexes 202 arranged at equal intervals on the outer periphery of the dial 11 are equal to each other.

[How to operate the electronic watch]
The electronic timepiece 1 </ b> A performs normal display when the crown 43 is at the zero-stage position. That is, the electronic timepiece 1 </ b> A displays the current time with the second hand 21, the minute hand 22 and the hour hand 23, and displays the remaining battery level with the sub hand 24. In addition, when the crown 43 is in the 0-step position, the electronic timepiece 1A maintains the normal display even if the crown 43 rotates.

  When the crown 43 is pulled by one step, the electronic timepiece 1A displays the current time by the minute hand 22 and the hour hand 23, stops the second hand 21 at the 3 second position, and instructs the illuminance detection index 203. Then, the electronic timepiece 1 </ b> A performs illuminance display with the sub hands 24. Further, when the crown 43 is rotated in a state where the crown 43 is pulled down by one step, the electronic timepiece 1A changes the calendar. Specifically, when the crown 43 rotates upward, the electronic timepiece 1A advances the calendar by one day, and when it rotates downward, the electronic timepiece 1A delays by one day.

  When the crown 43 is pulled by two steps, the electronic timepiece 1A displays the current time by the minute hand 22 and the hour hand 23, and stops the second hand 21 at the 0 second position. Then, the electronic timepiece 1 </ b> A performs a battery remaining amount display with the auxiliary hands 24. Further, when the crown 43 is rotated in a state where the crown 43 is pulled by two stages, the electronic timepiece 1A changes the current time. Specifically, when the crown 43 is rotated upward, the electronic timepiece 1A advances the current time by 1 minute, and when it is rotated downward, the electronic timepiece 1A is delayed by 1 minute.

[Circuit configuration of electronic watch]
As shown in FIG. 4, the control device 150A of the electronic timepiece 1A includes a control circuit 151A composed of a CPU (Central Processing Unit), a diode 152, a charge control switch 153, and an illuminance detection circuit 154. A battery voltage detection circuit 155, a drive circuit 156, and a storage device 157 constituted by an EEPROM (Electrically Erasable Programmable Read-Only Memory), a RAM (Random Access Memory), or the like. The charge control switch 153, the illuminance detection circuit 154, the battery voltage detection circuit 155, the drive circuit 156, and the storage device 157 are connected to the control circuit 151A.

[diode]
The diode 152 is provided in a path that electrically connects the solar battery 131 and the secondary battery 132, and does not block a forward current that is a current from the solar battery 131 to the secondary battery 132, and the secondary battery 132 The reverse current which is the current from the solar cell 131 to the solar cell 131 is cut off. The forward current flows only when the voltage of the solar cell 131 is higher than the voltage of the secondary battery 132, that is, during charging. The diode 152 prevents current from flowing from the secondary battery 132 to the solar battery 131 when the voltage of the solar battery 131 becomes lower than that of the secondary battery 132. That is, the diode 152 is a backflow prevention diode. Further, a field effect transistor (FET) may be employed instead of the diode 152.

[Charge control switch]
The charge control switch 153 connects and disconnects a current path from the solar cell 131 to the secondary battery 132, and is a switching provided in a path that electrically connects the solar cell 131 and the secondary battery 132. It has an element. The connection is made when the switching element transitions from the off state to the on state, and the connection is disconnected when the switching element transitions from the on state to the off state.

[Illuminance detection circuit]
The illuminance detection circuit 154 operates based on a control signal that specifies the detection timing of the voltage output from the control circuit 151A, and detects the terminal voltage PVIN of the solar cell 131. Here, during the period in which the illuminance detection circuit 154 detects the terminal voltage PVIN, the charge control switch 153 is turned off based on the control signal output from the control circuit 151A. For this reason, the illuminance detection circuit 154 detects the open circuit voltage of the solar cell 131. The open circuit voltage of the solar cell 131 becomes higher as the illuminance of light applied to the solar cell 131 is higher, and is correlated with the illuminance. For this reason, the illumination intensity detection circuit 154 can detect the illumination intensity of the light irradiated to the solar cell 131 by comparing the open voltage of the solar cell 131 with the preset voltage threshold value. The illuminance detection circuit 154 outputs the comparison result to the control circuit 151A.

[Battery voltage detection circuit]
The battery voltage detection circuit 155 operates based on a control signal designating the detection timing of the battery voltage output from the control circuit 151A, detects the battery voltage of the secondary battery 132, and outputs the detection value to the control circuit 151A. . Here, the battery voltage of the secondary battery 132 has a correlation with the remaining battery level of the secondary battery 132. Therefore, the battery voltage detection circuit 155 can detect the remaining battery level of the secondary battery 132 by detecting the battery voltage of the secondary battery 132. That is, the battery voltage detection circuit 155 corresponds to a remaining battery level detection circuit. The detection result of the battery voltage is stored in the storage device 157 by the control circuit 151A.

[Drive circuit]
The drive circuit 156 operates based on a control signal output from the control circuit 151A, outputs a pulse to a terminal of a step motor included in the drive mechanism 140 to drive the drive mechanism 140, and each of the pointers 21 to 24 and the calendar wheel Rotate 25.

[Control circuit]
Next, the operation of the control circuit 151A will be described. The control circuit 151A executes the following illuminance detection process and battery voltage detection process.

[Illuminance detection processing]
Illuminance detection processing executed by the control circuit 151A will be described. The control circuit 151A executes illuminance detection processing at a constant cycle. In the present embodiment, the control circuit 151A performs the illuminance detection process at intervals of 1 second.

  In this illuminance detection process, the control circuit 151A first sets an illuminance threshold that is a condition for displaying the illuminance detection information. The illuminance threshold is set using a detection level having a relationship shown in FIG. 5 with respect to the illuminance of light irradiated on the solar cell 131. Here, the illuminance in FIG. 5 represents the lower limit value at each detection level. For example, the detection level “4” means that the illuminance is 3000 lux or more.

  For example, when the illuminance is 3000 lux, it takes 110 hours to fully charge, and 33 minutes to charge the power for driving the electronic timepiece 1A for one day. The light of 3000 lux can be observed not only outdoors but also indoors at the window, etc. Also, since the electric power for driving the electronic timepiece 1A for one day can be charged in about 30 minutes, If the illuminance is 3000 lux or more, it can be determined that the electronic timepiece 1A is in an environment suitable for charging.

  For this reason, in the present embodiment, the illuminance threshold is set to a detection level “4” corresponding to 3000 lux so that the illuminance detection information is displayed when the illuminance of the light applied to the solar cell 131 is 3000 lux or more. is doing.

  Next, the control circuit 151A operates the illuminance detection circuit 154. That is, in the present embodiment, the control circuit 151A outputs a control signal at intervals of 1 second to operate the illuminance detection circuit 154. At this time, the charging control switch 153 is switched to the off state by the control circuit 151A. That is, when the illuminance detection circuit 154 is operating, the charging control switch 153 is controlled to be in an off state, and thus the solar cell 131 and the illuminance detection circuit 154 are disconnected from the secondary battery 132. For this reason, the illuminance detection circuit 154 can detect the open voltage corresponding to the illuminance of the light applied to the solar cell 131 without being affected by the charging voltage of the secondary battery 132. In addition, the time interval for detecting the remaining battery level by the battery voltage detection circuit 155 is 6 seconds, which is longer than the time interval of 1 second for detecting illuminance.

  In addition, the control circuit 151A sets the voltage threshold value of the illuminance detection circuit 154 to a value corresponding to the detection level set as the illuminance threshold value. The illuminance of light irradiated on the solar cell 131 and the open circuit voltage have a correlation as shown in FIG. The control circuit 151A determines the open-circuit voltage value corresponding to the detection level set as the illuminance threshold value based on FIG. 5, and sets the determined value as the voltage threshold value.

  Here, FIG. 5 shows the solar cell open-circuit voltage at each detection level. For example, a detection level of “4” is intended to be an open circuit voltage of 2.40V or higher. Note that the relationship among the detection level, the open circuit voltage, and the illuminance is not limited to the relationship shown in FIG. 5 and can be set as appropriate. Further, although the detection level is divided into 11 stages “0” to “10”, it may be divided into more stages, or conversely, it may be divided into fewer stages.

  Then, the illuminance detection circuit 154 compares the open voltage of the solar cell 131 with the voltage threshold value. When the open voltage of the solar cell 131 is equal to or higher than the voltage threshold value, for example, the control circuit 151A uses a high level (H level) signal as the illuminance detection result. Output to.

  According to such a configuration, for example, a high level signal is output from the illuminance detection circuit 154 to the control circuit 151A when the illuminance of the light applied to the solar cell 131 is equal to or higher than the detection level set as the illuminance threshold.

  Then, the control circuit 151A determines whether or not the illuminance of the light applied to the solar cell 131 is equal to or higher than the detection level (“4”) set as the illuminance threshold based on the illuminance detection result output from the illuminance detection circuit 154. To do.

  Here, when the illuminance of the light applied to the solar cell 131 is equal to or higher than the detection level set as the illuminance threshold, the control circuit 151A turns on the illuminance detection result flag in the storage device 157. Then, the control circuit 151A controls the drive circuit 156 to instruct the secondary needle 24 to indicate the illuminance detection index 203 shown in FIG. 1 and indicates that the illuminance of the light irradiated on the solar cell 131 is equal to or greater than the illuminance threshold. Display illuminance detection information. Then, the control circuit 151A ends the illuminance detection process.

  On the other hand, when the illuminance of the light applied to the solar cell 131 is less than the detection level set as the illuminance threshold, the control circuit 151A turns off the illuminance detection result flag in the storage device 157 and turns the drive circuit 156 on. Control is performed so that the sub-needle 24 indicates the position of the indicator 71 corresponding to the remaining battery level, and the remaining battery level is displayed as predetermined information. Then, the control circuit 151A ends the illuminance detection process.

  By the above processing, until it is determined that the illuminance of the light applied to the solar cell 131 is equal to or higher than the illuminance threshold (detection level “4”: 3000 lux), until the illuminance is determined to be less than the illuminance threshold. During this period, the illuminance detection information is displayed by the auxiliary needle 24. In addition, during the other periods, the battery remaining amount is displayed by the auxiliary needle 24.

[Battery voltage detection processing]
Next, battery voltage detection processing executed by the control circuit 151A will be described based on the flowchart of FIG. The control circuit 151A executes a battery voltage detection process at a constant period. In this embodiment, the control circuit 151A executes the battery voltage detection process at intervals of 6 seconds.

  When the control circuit 151A executes the battery voltage detection process, the control circuit 151A activates the battery voltage detection circuit 155. When activated, the battery voltage detection circuit 155 detects the battery voltage of the secondary battery 132 (S101), and outputs the detection value to the control circuit 151A.

  Next, the control circuit 151A determines whether or not the detection value detected by the battery voltage detection circuit 155 is 1.4 V or higher (S102). If YES is determined in S102, the control circuit 151A instructs the H mark corresponding to the level “2” by the sub-hand 24, and sets the hand movement interval of the second hand 21 to 1 second (S111). That is, the second hand 21 is rotated once per second for one second. Then, the control circuit 151A stores the battery voltage detection result in the storage device 157 (S115), and ends the battery voltage detection process.

  When it is determined NO in S22, the control circuit 151A determines whether or not the detection value detected by the battery voltage detection circuit 155 is 1.2 V or more and less than 1.4 V (S103). When it is determined YES in S103, the control circuit 151A instructs the M mark corresponding to the level “1” by the sub-hand 24, and sets the hand movement interval of the second hand 21 to 1 second (S112). Then, the control circuit 151A stores the battery voltage detection result in the storage device 157 in S24 (S115), and ends the battery voltage detection process.

  When it is determined NO in S103, the control circuit 151A determines whether or not the detection value detected by the battery voltage detection circuit 155 is not less than 1.1V and less than 1.2V (S104). When it is determined YES in S104, the control circuit 151A instructs the L mark corresponding to the level “0” by the sub-hand 24, and sets the hand movement interval of the second hand 21 to 2 seconds (S113). That is, the second hand 21 is rotated once every 2 seconds for 2 seconds. In step S115, the control circuit 151A stores the battery voltage detection result in the storage device 157, and ends the battery voltage detection process.

  When it is determined NO in S104, the control circuit 151A determines whether or not the detection value detected by the battery voltage detection circuit 155 is less than 1.1 V (S105). When it is determined NO in S105, the control circuit 151A ends the battery voltage detection process as it is.

  On the other hand, if it is determined YES in S105, the control circuit 151A instructs the L mark corresponding to the level “0” with the sub needle 24 in order to avoid that the remaining battery level further decreases and the system goes down. The power consumption is reduced by stopping the movement of the second hand 21, the minute hand 22, and the hour hand 23 (S114). In step S115, the control circuit 151A stores the battery voltage detection result in the storage device 157, and ends the battery voltage detection process.

  According to such an electronic timepiece 1A, as shown in FIG. 7, when the illuminance is less than 3000 lux, that is, when the illuminance detection result flag in the storage device 157 is off, the light irradiated to the solar cell 131 Since the amount of the battery is not sufficient and the environment is not suitable for charging, the illuminance detection information is not displayed, and the battery remaining amount is displayed on the secondary needle 24.

  Specifically, the electronic timepiece 1A sets the position of the illuminance detection index 203 and the indicator 71 according to the remaining battery level based on information on the illuminance detection result flag and the battery voltage detection result stored in the storage device 157. Let me tell you. For example, when it is stored that the illuminance detection result flag is off and the voltage detected by the battery voltage detection circuit 155 is less than 1.20 V, the remaining battery level is small (charging is required). Therefore, the sub needle 24 is instructed to indicate the position of the mark L of the indicator 71. Further, when it is stored that the detected voltage is 1.20V or more and less than 1.40V, the remaining amount of the battery is medium, and therefore the sub needle 24 is instructed to indicate the position of the mark M of the indicator 71. Further, when it is stored that the detected voltage is 1.40 V or more, the remaining amount of the battery is large, and therefore the sub-needle 24 is instructed to indicate the position of the mark H of the indicator.

  In addition, when the illuminance is 3000 lux or more, that is, when the illuminance detection result flag in the storage device 157 is on, the electronic timepiece 1A has any value detected by the battery voltage detection circuit 155. Since the amount of light applied to the solar cell 131 is appropriate and the environment is suitable for charging, the secondary needle 24 instructs the illuminance detection index 203 to display the illuminance detection information.

  Next, the illuminance detection process executed by the control circuit 151A according to the crown operation will be described based on the flowchart of FIG. The control circuit 151A determines whether or not the crown 43 has been pulled by one stage (S121). If the determination result is NO, the control circuit 151A repeats the determination in S121.

  When the determination result in S121 is YES, the control circuit 151A sets the second hand, which is the second hand, to the position of 3 seconds, and instructs the illuminance detection index 203 using the hand 21 (S122). Next, the control circuit 151A sets the illuminance detection level to “4” (S123). Next, the control circuit 151A determines whether or not the illuminance of the light applied to the solar cell 131 is equal to or higher than the illuminance detection level (in this case, “4”) (S124). When the determination result in S124 is NO, the control circuit 151A instructs the position of the mark L corresponding to the level “0” on the indicator 71 with the sub needle 24 (S129).

  Next, the control circuit 151A determines whether or not the crown 43 has been pulled by one stage (S130). If the determination result is YES, the process of the control circuit 151A returns to S123.

  When the illuminance of the light applied to the solar cell 131 is equal to or higher than the illuminance detection level and the determination result in S124 is YES, the control circuit 151A sets the illuminance detection level to “7” (S125).

  Next, the control circuit 151A determines whether or not the illuminance of the light applied to the solar cell 131 is equal to or higher than the illuminance detection level (in this case, “7”) (S126).

  When the determination result in S126 is NO, that is, when the illuminance of light applied to the solar cell 131 is equal to or higher than the illuminance detection level “4” and lower than the illuminance detection level “7”, the control circuit 151A. Indicates the position of the mark M corresponding to the level “1” on the indicator 71 by the sub-needle 24 (S127). Then, the process of the control circuit 151A proceeds to S130.

  On the other hand, when the determination result in S126 is YES, that is, when the illuminance of the light applied to the solar cell 131 is equal to or higher than the illuminance detection level “7”, the control circuit 151A corresponds to the level “2” in the indicator 71. The position of the marked mark H is indicated by the sub needle 24 (S128). Then, the process of the control circuit 151A proceeds to S130.

  In this way, the control circuit 151A allows the sub-needle 24 to set the level “0” if the illuminance of the light applied to the solar cell 131 is less than the illuminance detection level “4” while the crown 43 is pulled by one stage. If the illuminance detection level is “4” or higher and less than the illuminance detection level “7”, the sub-needle 24 indicates level “1”, and if the illuminance detection level is “7” or higher, the sub-needle A level “2” is indicated by 24.

  When the crown 43 is not in the state where it has been pulled by one step, the determination result in S130 is NO, and the control circuit 151A returns the second hand 21 to the second display (S131). Next, the control circuit 151A performs indicator display with the sub needle 24 (S132). That is, the type of information corresponding to the state of the crown 43 is displayed on the secondary needle 24. Then, the control circuit 151A ends the illuminance detection process.

[Effects of First Embodiment]
According to the first embodiment, the sub-needle display area 240A is a fan-shaped area that requires a small area, so that the sub-needle display area 240A is not dialed or shorter than the others. 11 can enhance the decorativeness of the electronic timepiece 1A. Further, according to the first embodiment, the secondary needle 24 is also used to display the battery remaining amount and the illuminance, so that a plurality of types of information can be displayed even in the secondary needle display area 240A having a small area. In addition, according to the first embodiment, the second hand 21 indicates the type of information currently displayed by the secondary hand 24, specifically whether the secondary hand 24 is displaying illuminance, and notifies the user. be able to.

[Modification of First Embodiment]
In the first embodiment, the calendar 11 is provided with the calendar small window 15 for displaying the calendar, but the calendar small window 15 may not be provided as in the electronic timepiece 1A ′ shown in FIG. In this case, since there is no calendar small window, all twelve indexes 202 can be made equal in length, and the decorativeness can be improved.

Second Embodiment
[Schematic configuration of electronic watch]
FIG. 10 is a plan view showing a configuration of an electronic timepiece 1B according to the second embodiment of the present invention. FIG. 10 is a plan view showing details of the sub-hand display area 240B of the electronic timepiece 1B. FIG. 11 is a cross-sectional view of the electronic timepiece 1B. FIG. 12 is a block diagram showing a configuration of an electric circuit of the electronic timepiece 1B.

  The electronic timepiece 1B according to the present embodiment is a radio timepiece, and is obtained by adding a radio wave receiving unit 59B that receives standard radio waves to the electronic timepiece 1A of the first embodiment. In the following description, the same components as those of the electronic timepiece 1A of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The electronic timepiece 1B is provided with an antenna 105 for receiving standard radio waves. As shown in FIG. 10, the antenna 105 is disposed in the ground plate 125 so that its longitudinal direction extends from the 9 o'clock position of the dial 11 to the 11 o'clock position. The antenna 105 does not overlap with the sub-needle display area 240B in a plan view along the normal direction of the dial plate 11. Therefore, according to this embodiment, the movement including the antenna 105 can be thinned.

  The sub-needle display area 240B has a sector shape with a central angle of 90 °, similar to the sub-needle display area 240A of the first embodiment. By adopting this sector shape, the sub-needle display area 240B is provided on the dial plate 11 without losing some of the indexes 202 or making them shorter than others. As shown in FIG. 11, in the sub-needle display area 240B, an inner scale with marks DST and OFF is provided inside an arc-shaped indicator 71 that is thinned from the base end 711 to the tip end 712, and the indicator is further displayed. An outer scale having marks H, M, and L written on the outside of 71 is provided. Here, the marks DST and OFF on the inner scale represent the daylight saving time mode setting. The outer scale marks H, M, and L represent the remaining battery level, illuminance, or reception level. In the present embodiment, the electronic timepiece 1 </ b> B switches between the internal scale and the external scale, and displays the daylight saving time display mode setting or the remaining battery level with the auxiliary hands 24.

  Further, in the electronic timepiece 1B, as shown in FIG. 10, an R mark 205 is written at a position of 57 seconds around the dial plate 11. The second hand 21 indicates that the standard radio wave is being received by indicating the R mark 205. Further, as in the first embodiment, an illuminance detection index 203 is shown at a position of 3 seconds around the dial 11. The second hand 21 indicates that the illuminance is being displayed by the sub-hand 24 by instructing the illuminance detection index 203.

  In the electronic timepiece 1B, the exterior case 30 includes a metal annular case body 31 and an annular glass edge 32 placed thereon. A dial ring 38 formed of a synthetic resin (for example, ABS resin) which is a nonconductive member is provided inside the outer case 30. On the surface area of the dial ring 38, as shown in FIG. 10, time difference information representing a time difference from the Coordinated Universal Time (UTC) is written in numbers. In addition to the crown 43, a button 42 is provided on the side surface of the exterior case 30 of the electronic timepiece 1B.

[How to operate the electronic watch]
The electronic timepiece 1B performs normal display when the crown 43 is at the zero-stage position. That is, the electronic timepiece 1 </ b> B displays the current time with the second hand 21, the minute hand 22 and the hour hand 23, and displays the remaining battery level with the sub hand 24. In addition, when the crown 43 is in the 0th position, the electronic timepiece 1B maintains the normal display even if the crown 43 rotates.

  In addition, when the button 42 is pressed for 2 seconds while the crown 43 is at the 0th position, the electronic timepiece 1B instructs the illuminance detection index 203 with the second hand 21 at the position of 3 seconds. Then, the electronic timepiece 1 </ b> B uses the outer scale of the indicator 71 and displays the illuminance by the auxiliary hand 24.

  In addition, when the button 42 is pressed for 4 seconds while the crown 43 is at the 0-step position, the electronic timepiece 1B indicates the R mark 205 with the second hand 21 at the 57-second position and the standard radio wave. Start forced reception. The electronic timepiece 1 </ b> B uses the outer scale of the indicator 71 and displays the reception level of the standard radio wave with the auxiliary hand 24.

  When the crown 43 is pulled by one step, the electronic timepiece 1B displays the current time using the minute hand 22 and the hour hand 23, and displays the time zone using the second hand 21 and the dial ring 38. The electronic timepiece 1 </ b> B uses the inner scale of the indicator 71 and displays the mode setting for daylight saving time display by the auxiliary hand 24.

  Further, when the crown 43 is rotated in a state where the crown 43 is pulled down by one step, the electronic timepiece 1B selects a time zone. When the button 42 is pressed while the crown 43 is pulled down by one step, the electronic timepiece 1B switches the mode setting for daylight saving time display.

  When the crown 43 is pulled by two steps, the electronic timepiece 1B displays the current time with the minute hand 22 and the hour hand 23, and stops the second hand 21 at the 0 second position. Then, the electronic timepiece 1 </ b> B uses the outer scale of the indicator 71 to display the battery remaining amount with the auxiliary hand 24.

  Further, when the crown 43 is rotated in a state where the crown 43 is pulled by two stages, the electronic timepiece 1B changes the current time. Specifically, when the crown 43 is rotated upward, the electronic timepiece 1B advances the current time by 1 minute, and when it is rotated downward, the electronic timepiece 1B is delayed by 1 minute.

[Circuit configuration of electronic watch]
As shown in FIG. 13, the electronic timepiece 1B includes a secondary battery 132, a solar battery 131, and a radio wave receiving device 59B connected to the control device 150B. The control device 150B includes a diode 152, a charge control switch 72, a voltage detection circuit 155, and a drive circuit 156.

  A radio wave receiving device 59B as a radio wave receiving unit is not shown in the figure, but includes a tuning circuit, an amplifier circuit, a bandpass filter, an envelope detection circuit, an AGC (Auto Gain Control) circuit, a binarization circuit, and the like. Device.

  The radio wave receiver 59B is configured to receive a plurality of standard radio waves. In the present embodiment, the standard radio wave “JJY” in Japan, the standard radio wave “WWVB” in the United States, the standard radio wave “DCF77” in Germany, and the standard radio wave “MSF” in England are configured to be received.

  Here, each standard radio wave includes implementation status information indicating whether or not daylight saving time is being implemented in addition to time information. The radio wave receiving device 59B receives the standard radio wave, acquires time information and implementation status information, and outputs them to the control circuit 151B.

  In the present embodiment, the control circuit 151B corrects the internal time by updating the internal time data with the time information acquired by receiving the standard radio wave. In addition, the control circuit 151B determines whether or not daylight saving time is being implemented based on the acquired implementation state information.

[Standard radio wave reception processing]
FIG. 14 is a flowchart showing a standard radio wave reception process executed by the control circuit 151B. The control circuit 151B determines whether or not the button 42 has been pressed for 4 seconds (S201). When it is determined NO in S201, the control circuit 151B repeatedly executes the process of S201.

  If YES is determined in S201, the control circuit 151B drives the drive mechanism 140 by the drive circuit 156, sets the second hand 21 to the 57-second position, and instructs the R mark 205 by the second hand 21 (S202). Next, the control circuit 151B activates the radio wave receiver 59B to start reception processing (S203). Next, the control circuit 151B drives the drive mechanism 140 by the drive circuit 156, and instructs the sub-needle 24 to indicate the “0” level position where the L mark is written (S204).

  Next, the control circuit 151B sets the “0” level position, the “1” level position, or the “2” level position to the auxiliary needle 24 in accordance with the reception level that is a value based on the intensity of the signal received by the radio wave receiver 59B. Instruct (S205). The “0” level position, the “1” level position, and the “2” level position correspond to the mark L position, the mark M position, and the mark H position, respectively. Next, the control circuit 151B determines whether or not the radio wave receiving device 59B has successfully received the standard radio wave, that is, whether or not time information and implementation state information have been acquired (S206). When it is determined NO in S206, the control circuit 151B repeats the processes of S205 and S206.

  On the other hand, if YES is determined in S206, the control circuit 151B updates the internal time data based on the acquired time information to correct the internal time. Specifically, the UTC is calculated by subtracting the set time difference from the time indicated by the acquired time information, and the internal time data is updated with the calculated UTC. Then, based on the updated internal time data, the time display by the second hand 21, the minute hand 22 and the hour hand 23 is corrected (S207).

  Thereafter, the control circuit 151B displays information of a type determined by the state of the crown 43 on the secondary hand 24 (S208), and ends the standard radio wave reception process. In the standard radio wave reception process, after the start of radio wave reception (S203), the motor is driven to drive the sub-needle 24 in S205. The driving of this motor becomes noise for reception of a standard wave that is a long wave. Therefore, in S205, it is preferable to drive the motor using a period in which the reception of the standard radio wave is interrupted.

[Daylight saving time display control processing]
The electronic timepiece 1B has a function of switching the mode setting for daylight saving time display in accordance with the operation of the button 42. FIG. 15 is a flowchart showing the daylight saving time display control process executed by the control circuit 151B for switching the mode setting.

  The control circuit 151B determines whether or not the button 42 has been pressed (S221). When it is determined NO in S221, the control circuit 151B repeats the determination in S221.

  If YES is determined in S221, the control circuit 151B determines whether or not the sub-needle 24 indicates the position of the OFF mark on the indicator 71 (S222).

  If it is determined NO in S222, the control circuit 151B drives the drive mechanism 140 by the drive circuit 156, and instructs the OFF mark on the indicator 71 by the secondary needle 24 (S225). Next, the control circuit 151B returns the internal time data for one hour, and adjusts the time display by the second hand 21, the minute hand 22 and the hour hand 23 to the changed internal time data (S226). That is, the mode is switched from the mode for displaying daylight saving time to the mode for not displaying daylight saving time. Then, the control circuit 151B ends the daylight saving time display control process.

  On the other hand, if YES is determined in S222, the control circuit 151B drives the drive mechanism 140 by the drive circuit 156, and instructs the DST mark on the indicator 71 by the secondary needle 24 (S223). Next, the control circuit 151B advances the internal time data by one hour, and adjusts the time display by the second hand 21, the minute hand 22, and the hour hand 23 to the changed internal time data (S224). That is, the mode is switched from the mode that does not display the daylight saving time to the mode that displays the daylight saving time. Then, the control circuit 151B ends the daylight saving time display control process.

[Effects of Second Embodiment]
Also in this embodiment, the same effect as the first embodiment can be obtained. In the present embodiment, the indicator 71 is provided with an inner scale and an outer scale, and the mode setting for daylight saving time display is displayed using the inner scale, or the remaining battery level, illuminance, or reception level is displayed using the outer scale. I tried to do it. Therefore, a plurality of types of information can be displayed even in the sub-needle display area 240B having a small area. Further, according to the present embodiment, the antenna 105 is arranged in an area that does not overlap with the sub-needle display area 240 </ b> B in a plan view along the normal direction of the dial 11. For this reason, the movement including the antenna 105 can be thinned and the decorativeness of the electronic timepiece 1B can be enhanced.

<Third Embodiment>
[Schematic configuration of electronic watch]
FIG. 16 is a plan view showing the configuration of an electronic timepiece 1C according to the third embodiment of the present invention. FIG. 17 is a plan view showing details of the sub-hand display area 240C of the electronic timepiece 1C. FIG. 18 is a cross-sectional view of the electronic timepiece 1C. FIG. 19 is a block diagram showing a configuration of an electric circuit of the electronic timepiece 1C.

  The electronic timepiece 1C according to the present embodiment is a GPS timepiece, and as shown in FIG. 19, a GPS receiver 59C that receives GPS satellite signals is added to the electronic timepiece 1A of the first embodiment. In addition, the electronic timepiece 1C according to the present embodiment includes a dial ring 38 similar to that of the second embodiment. In addition to the crown 43, a button 42 is provided on the side surface of the exterior case 30 of the electronic timepiece 1C. In the following description, the same components as those of the electronic timepiece 1A of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The electronic timepiece 1C is provided with an antenna 110 for receiving GPS satellite signals. As shown in FIG. 16, the antenna 110 is disposed in a region between the pointer shaft 29 and the 12 o'clock position of the dial 11 in a plan view along the normal direction of the dial 11. The antenna 110 does not overlap with the sub-needle display area 240C in a plan view along the normal direction of the dial plate 11. Therefore, according to this embodiment, the movement including the antenna 110 can be thinned.

  The sub-needle display area 240C has a sector shape with a central angle of 90 °, like the sub-needle display area 240A of the first embodiment. By adopting this sector shape, the sub-needle display area 240C is provided on the dial 11 without eliminating some of the indexes 202 or shortening them. As shown in FIG. 17, in the sub-needle display area 240C, an inner scale on which marks AUTO, ST, and DST are written is provided inside an arc-shaped indicator 71 that narrows from the proximal end 711 to the distal end 712. An outer scale on which marks G, H, M, and L are written is provided outside the indicator 71. Here, the mark of the inner scale represents the mode setting of the daylight saving time display, AUTO indicates the daylight saving time automatic display mode, ST indicates the daylight saving time non-display mode, and DST indicates the daylight saving time display mode. The outer scale mark indicates the remaining battery level, illuminance, or reception level. G is “Good” at level “3”, H is “High” at level “2”, and M is “Middle”, “L” at level “1”. Represents Low of level “1”. In the present embodiment, the electronic timepiece 1 </ b> C switches between an internal scale and an external scale, and displays various types of information by the sub hands 24.

  Further, in the electronic timepiece 1C, as shown in FIG. 16, an R mark 205 is written at a position of 53 seconds around the dial plate 11. The second hand 21 indicates that the GPS satellite signal is being received by indicating the R mark 205. An illuminance detection index 203 is written at a position of 7 seconds around the dial 11. The second hand 21 indicates that the illuminance is being displayed by the sub-hand 24 by instructing the illuminance detection index 203.

[How to operate the electronic watch]
The electronic timepiece 1 </ b> C performs normal display when the crown 43 is in the 0-stage position. That is, the electronic timepiece 1 </ b> C displays the current time with the second hand 21, the minute hand 22 and the hour hand 23, and displays the remaining battery level with the sub-hand 24. In the present embodiment, the electronic timepiece 1 </ b> C determines which of the four levels of the level “0” to “3” corresponds to the remaining battery level, and supports the corresponding level with the auxiliary hands 24. In addition, when the crown 43 is in the 0th position, the electronic timepiece 1C maintains the normal display even if the crown 43 rotates.

  In addition, when the button 42 is pressed for 2 seconds while the crown 43 is in the 0-step position, the electronic timepiece 1C instructs the illuminance detection index 203 with the second hand 21 at the 7-second position. Then, the electronic timepiece 1 </ b> C uses the outer scale of the indicator 71 and displays the illuminance by the auxiliary hand 24. In this case, the electronic timepiece 1 </ b> C determines which of the four levels of illuminance is “0” to “3”, and instructs the corresponding level with the sub-hand 24.

  Further, when the button 42 is pressed for 4 seconds while the crown 43 is at the 0th position, the electronic timepiece 1C indicates the R mark 205 with the second hand 21 at the 53 second position, and the GPS satellite signal. Start receiving. Then, the electronic timepiece 1 </ b> C uses the outer scale of the indicator 71 and displays the reception level of the GPS satellite signal by the auxiliary hand 24. Also in this case, the electronic timepiece 1 </ b> C determines which of the four levels of the reception level “0” to “3” corresponds, and instructs the corresponding level with the sub-hand 24.

  When the crown 43 is pulled down by one step, the electronic timepiece 1C displays the current time by the minute hand 22 and the hour hand 23, and displays the time zone by the second hand 21 and the dial ring 38. Then, the electronic timepiece 1 </ b> C uses the internal scale of the indicator 71 and displays the mode setting for daylight saving time display by the auxiliary hand 24.

  Further, when the crown 43 is rotated in a state where the crown 43 is pulled down by one step, the electronic timepiece 1C selects a time zone. When the button 42 is pressed while the crown 43 is pulled down by one step, the electronic timepiece 1C switches the mode setting for daylight saving time display.

  When the crown 43 is pulled by two steps, the electronic timepiece 1C displays the current time by the minute hand 22 and the hour hand 23, and stops the second hand 21 at the 0 second position. Then, the electronic timepiece 1 </ b> C uses the outer scale of the indicator 71 to display the battery remaining amount with the auxiliary hand 24.

  Further, when the crown 43 is rotated in a state where the crown 43 is pulled by two stages, the electronic timepiece 1C changes the current time. Specifically, when the crown 43 is rotated upward, the electronic timepiece 1C advances the current time by 1 minute, and when it is rotated downward, the electronic timepiece 1C is delayed by 1 minute.

  In addition, when the button 42 is pressed while the crown 43 is pulled by two steps, the electronic timepiece 1C changes the calendar. Specifically, when the button 42 is pressed, the electronic timepiece 1C advances the calendar one day.

[Display mode switching processing]
The electronic timepiece 1C has a function of switching between a daylight saving time automatic display mode AUTO that displays daylight saving time and a mode that does not display daylight saving time according to the operation of the button 42. FIG. 20 is a flowchart showing display mode switching processing executed by the control circuit 151C of the electronic timepiece 1C according to the present embodiment.

  When the display mode switching process is executed, the control circuit 151C determines whether or not the button 42 has been pressed (S301). When it is determined NO in S301, the control circuit 151C repeats the determination in S301.

  When it is determined YES in S301, the control circuit 151C determines whether or not the sub needle 24 indicates the AUTO mark on the indicator 71, that is, whether or not the current mode is the daylight saving time automatic display mode. (S302).

  If YES is determined in S302, the control circuit 151C instructs the ST mark on the indicator 71 by the sub needle 24 to set the display mode to the daylight saving time non-display mode (S305).

  Next, the control circuit 151C calculates the local time in the current display mode, updates the internal time data, and displays the time with the second hand 21, the minute hand 22 and the hour hand 23 in accordance with the internal time data (S308), The display mode switching process is terminated.

  On the other hand, when it is determined NO in S302, the control circuit 151C determines whether or not the sub needle 24 indicates the ST mark on the indicator 71, that is, whether or not the current mode is the daylight saving time non-display mode. Determination is made (S303).

  When YES is determined in S303, the DST mark on the indicator 71 is instructed by the sub needle 24, and the display mode is set to the daylight saving time display mode (S306).

  Next, the control circuit 151C calculates the local time in the current display mode, updates the internal time data, and displays the time with the second hand 21, the minute hand 22 and the hour hand 23 in accordance with the internal time data (S308), The display mode switching process is terminated.

  When it is determined NO in S303, the control circuit 151C determines whether or not the current position is the daylight saving time implementation region (S304). If NO is determined in S304, the control circuit 151C instructs the ST mark on the indicator 71 by the sub needle 24 to set the display mode to the daylight saving time non-display mode (S305), and the local time in the daylight saving time non-display mode is set. Calculation and display of hour / minute / second are performed (S308), and the display mode switching process is terminated.

  On the other hand, if YES is determined in S304, the control circuit 151C instructs the AUTO mark on the indicator 71 by the sub needle 24 to set the display mode to the daylight saving time automatic display mode (S307), and the local time in the daylight saving time automatic display mode. Time calculation and hour / minute / second display are performed (S308), and the display mode switching process is terminated.

[Effects of Third Embodiment]
Also in the present embodiment, as in the second embodiment, the indicator 71 is provided with an inner scale and an outer scale, and the information is displayed by the sub-needle 24 by using both of them separately. A plurality of types of information can also be displayed in the area 240C. Further, according to the present embodiment, the antenna 110 is arranged in a region that does not overlap with the sub-needle display region 240B in a plan view along the normal direction of the dial plate 11, so that the movement including the antenna 110 is made thin, and the electronic The decorativeness of the timepiece 1C can be improved.

<Fourth embodiment>
[Schematic configuration of electronic watch]
FIG. 21 is a plan view showing the configuration of an electronic timepiece 1D according to the fourth embodiment of the present invention. FIG. 22 is a plan view showing details of the sub-hand display area 240D of the electronic timepiece 1D.
Similar to the third embodiment, the electronic timepiece 1D according to the present embodiment is a GPS timepiece. Further, the electronic timepiece 1D according to the present embodiment includes the dial ring 38 similar to that of the second embodiment. In the following description, the same reference numerals are given to the same components as those of the electronic timepiece 1C of the third embodiment, and the description thereof is omitted.

  As shown in FIG. 22, in the secondary needle display area 240D, seven inner scales arranged inside the arc-shaped indicator 71 have S indicating Sunday, M indicating Monday, T indicating Tuesday, and Wednesday. W, T indicating Thursday, F indicating Friday, and S indicating Saturday are shown. In addition, two types of marks are written on the three outer scales arranged outside the arc-shaped indicator 71. The inner AUTO, ST, and DST are marks related to daylight saving time display mode setting, and represent a daylight saving time automatic display mode, a daylight saving time non-display mode, and a daylight saving time display mode, respectively. Further, H, M, and L on the outside relate to the remaining battery level, illuminance, or reception level. H is High at level “2”, M is Middle at level “1”, and L is Level “0”. Indicates Low. In the present embodiment, the electronic timepiece 1 </ b> D switches between the internal scale and the external scale, and displays various types of information by the sub hands 24.

  Further, in the electronic timepiece 1D, as shown in FIG. 22, the R mark 205 is written at the 53 second position around the dial 11, the illuminance detection index 203 is written at the 7 second position, and the 48 second position. A remaining battery level detection index 206 is shown. The second hand 21 indicates that the GPS satellite signal is being received by indicating the R mark 205. Further, the second hand 21 indicates that the illuminance is being displayed by the sub-hand 24 by instructing the illuminance detection index 203. Further, the second hand 21 indicates that the remaining battery level is being displayed by the sub-hand 24 by instructing the remaining battery level detection index 206.

[How to operate the electronic watch]
The electronic timepiece 1D performs normal display when the crown 43 is at the zero-stage position. That is, the electronic timepiece 1 </ b> C displays the current time with the second hand 21, the minute hand 22 and the hour hand 23. Further, the electronic timepiece 1D uses the inner scale of the indicator 71 and displays the day of the week with the sub-hand 24. In addition, when the crown 43 is in the 0th position, the electronic timepiece 1D maintains the normal display even if the crown 43 rotates.

  In addition, when the crown 43 is in the 0-step position, when the button 42 is pressed for a time shorter than 2 seconds, the electronic timepiece 1D instructs the battery remaining amount detection index 206 with the second hand 21 at the 48-second position. To do. The electronic timepiece 1 </ b> D uses the outer scale of the indicator 71 and displays the remaining battery level with the auxiliary hands 24. In this case, the electronic timepiece 1D determines which of the three levels of the battery level “0” to “2” corresponds to the level, and instructs the corresponding level with the sub-hand 24.

  In addition, when the button 42 is pressed for 2 seconds in a state where the crown 43 is at the 0th position, the electronic timepiece 1D instructs the illuminance detection index 203 with the second hand 21 at the 7-second position. The electronic timepiece 1 </ b> D uses the outer scale of the indicator 71 and displays the illuminance by the sub-hand 24. In this case, the electronic timepiece 1D determines which of the three levels of the battery level “0” to “2” corresponds to the level, and instructs the corresponding level with the sub-hand 24.

  Further, when the button 42 is pressed for 4 seconds in a state where the crown 43 is at the 0th position, the electronic timepiece 1D indicates the R mark 205 with the second hand 21 at the 53 second position, and the GPS satellite signal. Start receiving. Then, the electronic timepiece 1 </ b> C uses the outer scale of the indicator 71 and displays the reception level of the GPS satellite signal by the auxiliary hand 24. Also in this case, the electronic timepiece 1D determines which of the three levels from “0” to “2” the reception level corresponds to, and supports the corresponding level with the sub-hand 24.

  When the crown 43 is pulled by one step, the electronic timepiece 1D displays the current time with the minute hand 22 and the hour hand 23, and displays the time zone with the second hand 21 and the dial ring 38. Then, the electronic timepiece 1D uses the secondary hand 24 to indicate one of the three outer scales of the indicator 71, which is marked with an AUTO, ST, or DST mark, and displays the mode setting for daylight saving time display. .

  When the crown 43 is rotated in a state where the crown 43 is pulled down by one stage, the electronic timepiece 1D selects a time zone. When the button 42 is pressed while the crown 43 is pulled down by one step, the electronic timepiece 1D switches the mode setting for daylight saving time display.

  When the crown 43 is pulled by two steps, the electronic timepiece 1D displays the current time with the minute hand 22 and the hour hand 23, and stops the second hand 21 at the 0 second position. Then, the electronic timepiece 1 </ b> D uses the inner scale of the indicator 71 to display the day of the week with the auxiliary hand 24.

  Further, when the crown 43 is rotated in a state where the crown 43 is pulled by two stages, the electronic timepiece 1D changes the current time. Specifically, when the crown 43 is rotated upward, the electronic timepiece 1D advances the current time by 1 minute, and when it is rotated downward, the electronic timepiece 1D is delayed by 1 minute. Further, when the button 42 is pressed while the crown 43 is pulled by two steps, the electronic timepiece 1D changes the calendar. Specifically, when the button 42 is pressed, the electronic timepiece 1D advances the calendar by one day.

[Effects of Fourth Embodiment]
Also in this embodiment, the same effects as those in the second and third embodiments can be obtained. Further, in the present embodiment, marks indicating daylight saving time display mode settings such as AUTO, ST, and DST on the outer scale of the indicator 71, and marks indicating reception levels such as H, M, and L, remaining battery levels, and illuminance levels are provided. Since they are described and used separately, a plurality of types of information can be displayed even in the sub-needle display region 240D having a small area.

<Fifth Embodiment>
[Schematic configuration of electronic watch]
FIG. 23 is a plan view showing a configuration of an electronic timepiece 1E according to the fifth embodiment of the present invention. FIG. 24 is a plan view showing details of the sub-hand display area 240E of the electronic timepiece 1E. Similar to the third embodiment, the electronic timepiece 1E according to the present embodiment is a GPS timepiece. The electronic timepiece 1E according to the present embodiment has a dial ring 38 similar to that of the second embodiment. In the following description, the same reference numerals are given to the same components as those of the electronic timepiece 1C of the third embodiment, and the description thereof is omitted.

  As shown in FIG. 24, in the secondary needle display area 240E, the long needle 24a and the short hand 24b are attached to the pointer shaft 26 as the secondary needle. The mark written on the inner scale inside the indicator 71 and the mark written on the outer scale outside the indicator 71 are the same as those in the fourth embodiment (see FIG. 22).

  Further, in the electronic timepiece 1E, as shown in FIG. 23, the R mark 205, the illuminance detection index 203, and the remaining battery level detection index 206, which are the same as those in the fourth embodiment, are written on the dial plate 11.

[How to operate the electronic watch]
The electronic timepiece 1E performs normal display when the crown 43 is at the zero-stage position. That is, the electronic timepiece 1E displays the current time with the second hand 21, the minute hand 22, and the hour hand 23. Further, the electronic timepiece 1E uses the internal scale of the indicator 71, displays the remaining battery level with the long hand 24a, uses the external scale of the indicator 71, and displays the day of the week with the short hand 24b. In addition, when the crown 43 is in the 0th position, the electronic timepiece 1E maintains the normal display even if the crown 43 rotates.

  In addition, when the crown 43 is at the 0-step position, when the button 42 is pressed for a time shorter than 2 seconds, the electronic timepiece 1E instructs the battery remaining amount detection index 206 with the second hand 21 at the 48-second position. To do. Then, the electronic timepiece 1E uses the outer scale of the indicator 71 and displays the remaining battery level with the long hand 24a. In this case, the electronic timepiece 1E determines which of the three levels of the level “0” to “2” corresponds to the remaining battery level, and instructs the corresponding level with the auxiliary hand 24.

  In addition, when the button 42 is pressed for 2 seconds in a state where the crown 43 is at the 0th position, the electronic timepiece 1E instructs the illuminance detection index 203 with the second hand 21 at the position of 7 seconds. Then, the electronic timepiece 1E uses the outer scale of the indicator 71 and displays the illuminance by the long hand 24a. In this case, the electronic timepiece 1E determines which of the three levels of the battery level “0” to “2” corresponds to the level, and indicates the corresponding level with the long hand 24a.

  In addition, when the button 42 is pressed for 4 seconds while the crown 43 is in the 0-stage position, the electronic timepiece 1E indicates the R mark 205 with the second hand 21 at the 53-second position, and the GPS satellite signal. Start receiving. Then, the electronic timepiece 1E uses the outer scale of the indicator 71 and displays the reception level of the GPS satellite signal by the long hand 24a. Also in this case, the electronic timepiece 1E determines which of the three levels from “0” to “2” the reception level corresponds to, and supports the corresponding level with the long hand 24a.

  When the crown 43 is pulled by one step, the electronic timepiece 1E displays the current time using the minute hand 22 and the hour hand 23, and displays the time zone using the second hand 21 and the dial ring 38. Then, the electronic timepiece 1E uses the long hand 24a to indicate one of the three outer scales of the indicator 71, which is marked with an AUTO, ST, or DST mark, and displays the mode setting for daylight saving time display. Further, the electronic timepiece 1E indicates one of the internal scales with a mark indicating the day of the week on the internal scale of the indicator 71 by the short hand 24b, and displays the day of the week.

  When the crown 43 is rotated in a state where the crown 43 is pulled down by one step, the electronic timepiece 1E selects a time zone. When the button 42 is pressed while the crown 43 is pulled down by one step, the electronic timepiece 1E switches the mode setting for daylight saving time display.

  When the crown 43 is pulled by two steps, the electronic timepiece 1E displays the current time using the minute hand 22 and the hour hand 23, and stops the second hand 21 at the 0 second position. Then, the electronic timepiece 1E uses the outer scale of the indicator 71 and displays the remaining battery level with the long hand 24a. Further, the electronic timepiece 1E uses the inner scale of the indicator 71 to display the day of the week with the short hand 24b.

  Further, when the crown 43 is rotated in a state where the crown 43 is pulled by two stages, the electronic timepiece 1E changes the current time. Specifically, when the crown 43 is rotated upward, the electronic timepiece 1E advances the current time by 1 minute, and when it is rotated downward, the electronic timepiece 1E is delayed by 1 minute. Further, when the button 42 is pressed while the crown 43 is pulled by two steps, the electronic timepiece 1E changes the calendar. Specifically, when the button 42 is pressed, the electronic timepiece 1E advances the calendar by one day.

[Effects of Fifth Embodiment]
Also in this embodiment, the same effect as the second and third embodiments can be obtained. In the present embodiment, the long needle 24a and the short hand 24b are used as the auxiliary needles, and separate information is displayed on the long hands 24a and the short hands 24b, so that a plurality of types of information can be efficiently notified to the user. .

<Other embodiments>
Although the first to fifth embodiments of the present invention have been described above, other embodiments are conceivable for the present invention. For example:

(1) Year, month, day, leap year, temperature, humidity, heading, altitude, water depth, pulse rate, activity amount, ultraviolet ray, standard radio wave receiving station, time difference, function (mode), incoming mail, etc. Various information other than the information shown in the embodiment may be displayed on the secondary needle 24.
(2) As a method of writing the index or indicator on the dial, a method of printing on the dial may be used, or a method of forming the index and indicator separately from the dial and pasting or fitting the dial or indicator is used. May be. Moreover, you may use the method of forming a dial in three dimensions. When formed separately from the dial, if the index and indicator are formed of a metal member, the sense of quality can be further enhanced.

(3) In each of the above embodiments, the electronic timepiece receives standard radio waves or GPS satellite signals. However, other communications such as BLE (Bluetooth Low Energy) and LPWA (Low Power, Wide)
Wireless communication such as (Area) may be performed by the electronic timepiece.

21 ... second hand, 22 ... minute hand, 23 ... hour hand, 24 ... second hand, 26,29 ... pointer shaft, 240A, 240B, 240C, 240D, 240E ... second hand display area, 1A, 1B, 1C, 1D, 1E ... electronic Clock, 30 ... exterior case, 33 ... cover glass, 34 ... back cover, 131 ... solar battery, 132 ... secondary battery, 125 ... ground plane, 120 ... circuit board, 150A, 150B, 150C ... control device, 122 ... circuit retainer , 140: driving mechanism, 105, 110 ... antenna, 38 ... dial ring, 31 ... case body, 32 ... glass edge, 151A, 151B, 151C ... control circuit, 155 ... battery voltage detection circuit, 157 ... storage circuit, 153 ... Charge control switch, 152 ... diode, 154 ... illuminance detection circuit, 156 ... drive circuit, 71 ... indicator, 24a ... long hand, 24b ... short hand

Claims (11)

Multiple indexes arranged on the outer periphery of the dial,
A time hand that displays the time by indicating the index;
A secondary hand provided in the secondary hand display area of the dial,
Of the plurality of indexes, the length of the index closest to the sub-needle display area is equal to the length of the other indexes of the plurality of indexes,
An electronic timepiece characterized in that the sub-hand displays a plurality of types of information. A calendar display area on the dial;
The plurality of indexes are arranged at equal intervals on the outer periphery of the dial,
The electronic timepiece according to claim 1. A plurality of indexes arranged at equal intervals on the outer periphery of the dial,
A time hand that displays the time by indicating the index;
A secondary hand provided in the secondary hand display area of the dial,
A calendar display area provided on the dial,
The plurality of indexes includes a first index and a second index,
The first index is arranged at a position closest to the sub-needle display area among the plurality of indexes,
The second index is arranged at a position closest to the calendar display area among the plurality of indexes,
The length of the first index is equal to the length of the plurality of indexes excluding the second index,
An electronic timepiece characterized in that the sub-hand displays a plurality of types of information.   The electronic timepiece according to any one of claims 1 to 3, wherein any one of a remaining battery level, illuminance, radio wave reception level, daylight saving time display setting, or day of the week is displayed by the auxiliary hand.   5. The electronic timepiece according to claim 1, wherein information to be displayed by the sub-hand is switched according to an operation of an operation unit. The time hand has a second hand,
The electronic timepiece according to claim 1, wherein the second hand displays a type of information displayed by the sub-hand.   The electronic timepiece according to claim 1, wherein the sub-hand is a retrograde hand having a rotation range of less than 180 °.   The electronic timepiece according to any one of claims 1 to 7, wherein a logo is located at a 12 o'clock position on the dial, and the sub-hand is located at a position different from the position of the logo on the dial.   9. The electronic timepiece according to claim 1, further comprising an antenna at a position that does not overlap the sub-hand in a plan view along a normal line direction of the dial. 10. In the secondary needle display area, a plurality of types of scales are written,
The electronic timepiece according to claim 1, wherein the sub-hand indicates the scale. Multiple indexes arranged on the outer periphery of the dial,
A time hand that includes a second hand and displays the time by indicating the index;
A secondary hand provided in the secondary hand display area of the dial,
In the sub-hand display area, when the sub-hand displays predetermined information, the type of information displayed by the sub-hand is displayed by the second hand.

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