JPH04194774A - Electronic clock - Google Patents

Abstract

PURPOSE:To make a display easy to see, good designingly also, and the overall external appearance not prejudicial by covering automatically with a shutter plate the part in which information is not displayed and which is blank space on the screen of an electro-optical display. CONSTITUTION:Whether it has come any of the scheduled times or not in a schedule stored in a schedule memory element is investigated on the basis of a date and the present time from a timer circuit in alarm processing. When it has come, a shutter plate 8 is rotated, the second opening part 9b of the shutter plate is brought under a display window part 7a and a liquid crystal display panel 10 is opened to its full scale. A signal is transmitted to a sound giving device and an alarm sound is generated by a constant time while those schedule contents are displayed in the panel 10. Then, the display processing to display various data in the panel 10 is made when a mode register is outside of mode.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an electronic timepiece, and in particular, in order to achieve multifunctionality,
In addition to the pointer display section, the watch also includes an electro-optical display device that can be seen through a display window provided on the dial of the pointer display section, and is suitable for electronic watches on which various data are displayed.

[Prior art and its problems] In recent years, in order to make pointer-type electronic watches multi-functional, they have been equipped with electro-optical display devices such as liquid crystal displays, which can display the date, alarm time, and measurement when used as a stopwatch. Time, schedule information.

Devices that switch and display telephone number information, etc. are in practical use.

By the way, when displaying the date and alarm time on the electro-optical display device, a display surface of four digits is sufficient.
Measurement information as a stopwatch requires a display surface of 6 or more digits, and schedule information and telephone number information require a display surface of 10 or more digits. Therefore, if all of these data are to be displayed with 1 electro-optical display 11N with 7 switches, the display surface must necessarily be large. If, for example, a date or the like is displayed on this display, there will be many blank areas on the display surface, making it extremely difficult to see and deteriorating the appearance.

Furthermore, the display surface of such an electro-optic display device is exposed even when no information is being displayed, which generally detracts from the overall appearance.

[Objective of the invention J The inventions of claims (1) and (2) were both made in view of the above-mentioned circumstances, and the number of digits is smaller than the number of digits that can be displayed on the electro-optical display. It is an object of the present invention to provide an electronic timepiece that is easy to see even when displaying information, has a good design, and does not impair the overall view even when no information is displayed on the electro-optical display device. shall be.

[Summary of the Invention] Both inventions of claims (1) and (2), in order to achieve the above-mentioned object, reduce the blank area where information is not displayed on the display surface of the electro-optical display device. The gist is that it is automatically covered with a shutter plate.

[Examples] Next, each of the above-mentioned inventions will be specifically described based on examples shown in the drawings.

FIG. 1 shows the appearance of this embodiment.

In other words, is there a watch glass on the front of the watch case? A pointer display section 3 covered with is disposed, and this pointer display section 3 is provided with a 1 hour hand, a 41 minute hand 5, a second hand 6, and a dial 7. Further, the dial plate 7 is formed with an arc-shaped opening having a center angle of 120 degrees around the rotation center of the pointer, that is, a display window part 7a, and this display window part 7a is provided inside the display window part 7a. A liquid crystal display panel 10 is provided that allows the entire surface to be viewed through a window 7a. Further, as shown by the dotted line in the figure, a disc-shaped shutter plate 8 that rotates around the center of rotation of the pointer is provided at a position behind the dial 7 and in front of the liquid crystal display panel IO. There is.

The shutter plate 8 has a second opening 9b that overlaps the display window 7a of the dial 7 and exposes the entire liquid crystal display panel 10 when the shutter plate 8 rotates.
12 from the center position of the shutter plate first opening 9a.
A shutter plate first opening 9a is formed at the 0° position and exposes only a part of the lower part of the liquid crystal display nozzle 10.

In addition, there is a push button switch 5 of 411 on the side of the watch case 1.
A-5O and a band attachment part 11 are provided.

Note that the surface of the shutter plate 8 has the same color tone as the surface of the first dial plate 7, and as shown in the above IF diagram, the surface of the shutter plate 8
When the screen is blocking the display window 19117a, the presence of the display window 7a is not recognized at all.

FIG. 2 shows the analog movement inside the watch case 1. This analog movement moves the hour hand 41, minute hand 5, and second hand 6 to indicate and display the time. It is composed of a shutter opening/closing device I6. That is, the wheel train mechanism 15 is driven by a pointer drive step motor (not shown) to move each of the hands, and the fourth gear 19 is rotatably arranged between the main plate 17 and the train wheel receiver 18. At the same time, the second ratio 20 is rotatably attached to the shaft 19a of the fourth ratio 19, and the cylinder *21 is rotatably attached to the cylinder shaft 20a of the second ratio 20 on the main plate 17. . In this case, the fourth hand 19 moves the second hand 6, and its shaft 19a protrudes above the main plate 17, the second hand 6 is attached to the protruding tip, and the rotation of the step motor is controlled by the intermediate wheel (not shown). 2), and the second hand 6 is thereby moved. The second hand 20 moves the minute hand 5. Its cylindrical shaft 20a protrudes above the main plate 17, the minute hand 5 is attached to the tip of this protrusion, and the rotation of the fourth hand 19 moves the third hand (not shown). ), thereby moving the minute hand 5. The Wt wheel 21 moves the 1 hour hand 4, and the hour hand 4 is attached to the upper end of the sleeve 21a, and the rotation of the second rate 20 is transmitted through the hour wheel (not shown), thereby moving the hour hand 4. Move the hands on 4.

The shutter opening/closing device 16 rotates the shutter plate 8, and the 0-wheel train mechanism 23, which is composed of a step motor 22 for driving the shutter and a wheel train mechanism 23 attached to the base plate 17, is for driving the shutter. The first gear wheel 23a meshes with the rotor pinion 24 of the step motor 22, the second gear 23b is fixed to the vehicle of the first gear ring 23a, and the second gear 23 is rotatably attached to the protrusion 17a of the base plate 17.
b, and a third gear 23c meshing with the third gear 23c.

On the other hand, a dial plate 7 is fixed on the main plate 17, a shutter plate 8 is rotatably disposed below the dial plate 7, and a liquid crystal display is further disposed below the shutter plate 8. A panel IO is arranged.

Further, the dial 7 has a through hole 7b formed in its center into which the cylindrical shaft 21a of the hour wheel 21 is inserted, and as described above, the display window 7a has the same shape as the second opening 9b of the shutter plate and overlaps with it. is formed. As described above, the shutter plate 8 covers the liquid crystal display panel lO and covers the display window portion 7 of the dial plate 7.
a that can be opened and closed, and has a disk shape, with a through hole 8 in the center of which the protrusion 17b of the main plate 17 is inserted.
a is formed, and further a shutter plate 1 shown in FIG.
An opening 9a and a second shutter plate opening 9b are formed. Further, an internal gear 8b is provided near the outer periphery of the lower surface of this shutter plate 8, and this internal gear 8b is connected to the third gear 2 described above.
It meshes with 3c. Therefore, when the shutter drive step motor 22 rotates, this rotation is caused by the rotor 2.
4. First gear 23a, second gear 23b, third gear 23C
1 internal gear 8b, the shutter plate 8 rotates, and as the shutter plate 8 rotates, the display window 7a of the dial 7 opens and closes.

FIG. 3 shows the arrangement of display bodies in the liquid crystal display panel 1o described above. The exposed portion 10a surrounded by a single point jlI line in the same figure is formed when the shutter plate 8 rotates and the shutter plate second opening 9b overlaps the display window 7a. This is the part that can be seen through the opening 9b. This exposed portion 10a
The upper stage fob is provided with a 7 segment display for 8 digits, and the lower part 10c is provided with 8 dot matrix display parts each displaying 8×8 dots. ing.

FIG. 4 shows the circuit configuration of this embodiment. That is, this embodiment has a configuration in which the CPU 30 is centered and other circuit units are connected to it.

The CPU 30 is a circuit that processes and processes incoming data and sends it out, and also sends signals to each circuit section to control them.

The oscillation circuit 31 is a circuit that always sends out a signal at a constant frequency.The 0 frequency divider circuit 32 divides the signal from the 1 oscillation circuit 31 to a predetermined frequency.

This is a circuit section that sends it to a counting circuit 33 and a motor drive circuit 34. The counting circuit 33 is the frequency dividing circuit 3
This circuit counts the signals from 2, obtains the current time T and the current date, and sends these to the CPU 30.

The motor drive circuit 34 is a circuit that receives a signal from the frequency dividing circuit 32 and drives the step motor 35. The step motor 35 is driven by the motor drive circuit 34, rotates, and transmits rotational force to the wheel train mechanism 15. to the pointer 36 to move the pointer 36.

The RAM 38 is controlled by the CPU 30, stores data from the CPU 30, and stores stored data
This is a circuit section that sends data to 30. The switch section 39 includes the aforementioned pushbutton switches 5A-5o1, etc., and when any of them is operated.

This is a circuit unit that sends a corresponding switch input signal to the CPU 30. The sound alarm device 40 is a circuit unit that receives a signal from the CPU 30 and generates an alarm sound.

The motor drive circuit 41 is a circuit that receives a signal from the CPU 30 and rotates the shutter drive step motor 22 by a predetermined angle each time. is applied to the shutter plate 8, causing the shutter plate 8 to rotate. In addition.

In this case, the shutter plate 8 rotates by 6 degrees (that is, 360'/60 steps) every time a signal is sent from the CPU 30.
The drive is started by the display start signal DS from the CPU3.
This circuit displays the data from 0 on the liquid crystal display panel 10 of the digital display section 43 and stops the operation upon receiving the display stop signal DE from the CPU 30.

FIG. 5 shows the configuration of the RAM 38. The mode register M is a register that specifies the mode. When O is set, the 1 display window 7a is closed by the shutter plate 8, and the clock mode is specified in which the current time is displayed only by the pointer 36, and l is set. When the
When a date display mode is specified in which only the date is displayed in the center of the lower part 10c of the liquid crystal display panel IO and is visible through the first opening 9a of the shutter plate, and 2 is set, the liquid crystal display panel 3 specifies a schedule display mode in which schedule information stored in the schedule storage section SK, which will be described later, is displayed on IO and is visible through the second opening 9b of the shutter plate.
When the LCD panel 10 is turned on, a date and time display mode is specified in which the date and current time are displayed on the right half of the liquid crystal display panel 10, and the left half of the liquid crystal display panel 10 is covered with a shutter plate 8.

The register P is a register for specifying the schedule information to be displayed by the row address of the schedule storage section SK when displaying any of the schedule information stored in the schedule storage section SK, which will be described later, on the liquid crystal display panel IO.
The position register SR is a register in which a step value indicating the rotational position of the shutter plate 8 is set.
It is 0 when it touches the right end of O at the 4 o'clock position (the position shown in Figure 1 above), and thereafter increases by 1 every time the shutter plate 8 rotates 66 times counterclockwise. go.

The schedule storage unit SK stores row addresses Ml to Mho.
It consists of 20 lines, each of which is given, and each line is
Date and time of one schedule.

It consists of a date area DA, a time area TA, and a message area MA, each of which stores messages, and stores messages in ascending order of schedule date and time, starting with the smallest row address.

The operation of this embodiment configured as described above will be explained below.

FIG. 6 shows J! of the operation of this embodiment. It is a general flowchart showing the E points. That is, in step Sl, it is checked whether there is a switch input, and if there is a switch input, the corresponding switch processing (step 32) is performed.
After executing, and when there was no switch input,
In the alarm processing, which directly proceeds to the alarm processing in step S3, the alarm processing is performed at the schedule time of any of the schedules stored in the schedule storage section SK, based on the date from the counting circuit 33' and the current time T. Check to see if the screen has been reached, and if it has, rotate the shutter plate 8, bring the second shutter plate opening 9b under the display window 7a, fully open the liquid crystal display panel 10, and open the liquid crystal display panel 10. Displays the contents of the schedule and sends a signal to the sound alarm device 40 to generate an alarm sound for a certain period of time.Next, in step S4, the mode register M is set to a value other than 0, and the mode is set to a mode other than clock mode. display processing (which displays various data on the liquid crystal display panel 10 in modes other than clock mode).
After executing step S5), when in the watch mode, directly go back to step S1 and repeat the same operation thereafter.

FIG. 7 is a flowchart showing the switch processing (step S2) in detail, and FIG. 8 is a flowchart showing the display processing (step 35) in detail. The operation in various states will be explained below.

For example, the mode register M is currently set to 0, the 1 position register SR is set to 0 in the watch mode, and the positional relationship between the display window 7a and the shutter plate 8 is as shown in FIG. It is assumed that the display window 7a is as shown in a) and the entire display window 7a is closed by the shutter plate 8. In this case, unless there is a switch operation, step S
1, the above-mentioned alarm process (step 2 33) is performed, and then, in step S4, it is determined that the mode register M is set to 0, that is, the clock mode is set, and the process returns to step S1. Reverse the action.

When switching the mode from the clock mode to the date display mode, the push button switch S^ is operated. At this time, in response to this operation, the process proceeds from step Sl to step S2, that is, the switch processing in FIG. 7, and in step 510, the push button switch Sa is is detected, the value of the mode register M is increased by 1, that is, l, and the date display mode is set (step 5tt).
It is determined that the value is not 0, that is, it is not the clock mode (step 512), and the display start signal DS is sent to the display drive circuit 42 to make the liquid crystal display panel lO of the digital display section 43 ready for display (step 512). , p513),
After that, in step S14, it is determined that the value of the mode register M does not exceed 3, and the process proceeds to step 317, in which a signal is sent to the motor drive circuit 41 to rotate the shutter drive step motor 22 by one step. urge At this time, the rotation is caused by the step motor 2 for driving the shutter.
From the rotor pinion 24 of 2 to the gear train mechanism 23, that is, the first gear 23a, the second gear 23b, and the third tMI wheel 2 shown in FIG.
3c, internal gear 8b and shutter plate 8 are connected to 1 stay 7
Then, in order to memorize the rotation of the shutter plate 8, the value of the position register SR is increased by 1, that is, l in this case (Step 518), and the rotation of the shutter plate 8 is It is determined that the value of the position register SR has not reached 60 (step 519), and it is determined that the value of the mode register M is not 0, that is, it is no longer in clock mode (step 521), and then step The process proceeds to S23, and in step S23, it is determined that the value of the keyed register M is 1 and the date display mode is set, and then it is determined that the value of the position register SR has not yet reached 20 (step 524). )
, return to step 517 above. Thereafter, the same operation as described above is repeated until the value of the position register SR reaches 20 (steps 517 to 519, S21, S23, 524), and the shutter plate 8 goes into the clock mode when the value of the position register SR reaches 20. The shutter plate 8 is rotated by 120' from the top.
When the first opening portion 9a of the shutter plate comes to the center of the display window 7a and exposes the center of the lower part 10c of the liquid crystal display panel 10, as shown in FIG. 9(b), remove it. It is detected in step 524 and the switch processing ends. Then, the process proceeds to step S4 after passing through step S3 in FIG. The process proceeds to the display process shown in FIG. 8, and in step S40 it is determined that the value of the mode register M is 1, and the current date is displayed in the central two digits of the lower part 10c of the liquid crystal display panel 10.Step 5
41), return to step St 0 For example, if today's date is 5
When the date is 10:00, the display on the liquid crystal display panel IO is as follows:
The result will be as shown in FIG. 9(b).

When changing the mode from the date display mode to the schedule display mode and checking the schedule stored in the schedule storage section SK, the push button switch S^ is further operated. In this case, the operation should be detected in step 510 of FIG. 7, the value of mode register M should be increased by 1 to 2 to set the schedule display mode (step 511), and it should be determined that the value of mode register M is not O. Step 512), sets the liquid crystal display panel lO to a displayable state, step 513), and determines that the value of the mode register M does not exceed 3 yet, step S.
4) Send a signal to the motor drive circuit 41 to drive the shutter drive step motor 22 by one step to rotate the shutter plate 8 by one step (step 317).
), the value of the position register SR is increased by 1 in order to memorize that fact (step 518), and it is determined in step 519 that the value of the position register SR has not reached 60 yet, and the process goes through steps 521 and S23. Step 325
In step S, it is determined that the value of the mode register M is 2, indicating that the schedule display mode is set, and then it is confirmed that the value of the position register SR has not reached 40.
Return to 17.

Hereafter, the same operation as above is repeated by 1jk until the value of the position register SR becomes 40 (stave 317 to S, 19.5
21.523.525.526), and the value of the 1-position register SR becomes 40, further than when the shutter plate 8 is in the date display mode.

When the shutter plate 8 is rotated by 120' and the second shutter plate opening 9b of the shutter plate 8 overlaps with the display window 7a, exposing the entire surface of the liquid crystal display panel IO (FIG. 9(C)).
), it is detected in step 2 S26 and the process proceeds to step S3 in FIG. Make sure you are not in step 54.
)1 display processing (step 35), and step 54
0, and in step 542, it is determined that the mode register M is in the schedule display mode (2), and the schedule of the schedule storage unit SK specified by the register P is displayed on the upper part 10b of the liquid crystal display panel IO. Day (SD) and schedule time (
ST) is displayed (step 543), and a message (SM) related to the schedule is displayed on the lower part 10c of the liquid crystal display panel 10 (step 544). For example, if the schedule currently specified by register P is , in the case of a meeting starting at 2 o'clock on July 5th, the display on the liquid crystal display panel 10 will be as shown in FIG. 1119 (c).

In addition, in this schedule display mode, if you want to display each schedule stored in the schedule storage section SK one after another on the liquid crystal display panel IO for confirmation, press the pushbutton switch SR. Every time there is an operation, it is detected in step 530 of FIG. 7, and it is determined that 2 is set in the mode register M and the schedule mode is entered.Step 531
), the value of register P is increased by 1 sequentially from 1 to 20 (steps 532 to 534), and the sixth
The process proceeds to display processing through steps 53 and 54 in the figure, and then through steps 540 and S42 to step S43. S4
Proceed to step 4, and display the date, time, and message of the schedule newly specified by register P on LCD panel 1.
It will be displayed at 0.

To change the mode from the schedule display mode to the date display mode, push button switch 34 is operated. At this time, this operation is detected in step SIO of FIG. 7, and the value of the mode register M is increased by 1 to 3, and step 2
1) After passing through step 512, the liquid crystal display panel 10 is set to a displayable state in step 313, and after confirming that the value of the mode register M does not exceed 3, the process proceeds to step S17, and in step 517, the motor A signal is sent to the drive circuit 41 to rotate the shutter drive step motor 22 by one step, and in order to memorize this, the value of the position register SR is increased by 1 (step 518), and in step S19, the value of the position register SR is increased by 1. It is determined that the value of SR has not reached 60, and step 521
．． After passing through S23 and S25, it is determined in step S27 that the value of the position register SR is not 50, and the process returns to step S17. Thereafter, the same operation as above is repeated until the value of the position register SR becomes 50 (steps 17 to S9).
, S21. S23.325.527), and the value of the position register SR becomes 50, and the shutter plate 8 rotates by 60' more than in the schedule display mode, and the left half of the display window 7a is opened by the shutter plate 8. When the right half of the liquid crystal display panel IO is blocked (see FIG. 9(d)), this is detected in step S27, and the screen is displayed through steps S3 and S4 in FIG. Proceed to processing (step S5), step 340, S4
In step S45, the current date and current time T from the counting circuit 33 are displayed on the right half of the stepped portion lOb of the liquid crystal display panel 10.
When it is 10:00 on the day, the liquid crystal display panel 10 displays a display as shown in FIG. 9(d).

Further, in order to return from the date and time display mode to the clock mode described above, the push button switch S^ is further operated. in this case,
The operation is detected in step 310 and the mode register M
The value of is increased by 1 to 4 (step 5ll), and it is determined that the value of mode register M is not O (step 512).

Determine that the value of mode register M is 4, which exceeds 3 (step 314), and then set O to mode register M to set the clock mode to step 515).
, sends a display stop signal DE to the display drive circuit 42 to stop the display operation of the liquid crystal display panel 10 (step 51).
6) After that, a signal is sent to the motor drive circuit 41 to drive the shutter drive step motor 22 by one step to rotate the shutter plate 8 by one step (step 317), and to memorize this fact. Increase the value of the position register SR by 1 and step 5xa)': In step 519, it is determined that the value of the position register SR has not reached 60 yet, and the mode register M has already been set to O and the clock mode is set. It is determined that the value of the position register SR has become 0 (step 521), and further it is determined that the value of the position register SR is not 0 yet (step 522).Then, the process returns to step S17, and the values of the following five position registers SR are 6
The above operation is repeated until it becomes 0 (steps 517 to S1
9,521.520), the value of the position register SR becomes 60, and the shutter plate 8 further rotates by 60 degrees than in the date and time display mode, and the entire surface of the display window 7a is covered by the shutter plate 8. When the liquid crystal display panel 10 is peeled and becomes invisible, this is detected in step 319, and the value of the position register SR is set to O (step 520), and the value of the mode register M is set to O, indicating that the clock mode is set. Judgment step 521).

It is determined that the value of the position register SR has been returned to O (step 522), and in step S4 after passing through step S3 in FIG. The process does not proceed to display processing, but returns to step Sl. As a result, the display window section 7a and the shutter plate 8
The positional relationship between the first opening 9a of the shutter plate and the second opening 9b of the shutter plate is as shown in FIG. It becomes completely invisible.

Note that the present invention is not limited to the above-mentioned embodiments, and can be modified and applied in various ways without departing from the scope of the present invention. However, it goes without saying that this may be displayed in only one stage, and the length of the portion where the display window portion 7a is opened by the shutter plate 8 may be changed. Further, in this embodiment, the shutter plate 8 is rotatably attached to the center of rotation of the pointer, but if the diameter of the shutter plate 8 is small, the center of rotation does not need to be the center of rotation of the pointer. Of course, it may be provided so as to be movable in the horizontal direction.

[Effects of the Invention] The present invention relates to an electronic timepiece in which a blank area where no information is displayed on the display surface of an electro-optical display device is visually covered with a shutter plate. Therefore, even when displaying information with fewer digits than the number of digits that can be displayed on the electro-optical display device, the display is easy to see and has a good design. To provide an electronic timepiece whose overall appearance is not impaired even when no information is displayed.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing the external appearance of an embodiment of the present invention, FIG. 2 is a cross-sectional view of the main parts of the above embodiment, and FIG. 3 is a diagram showing the display body arrangement state of the liquid crystal display panel of the above embodiment. 4 shows the circuit configuration, FIG. 5 shows the RAM configuration in FIG. 4, FIG. 6 is a general flowchart outlining the operation of the above embodiment, and FIG. 6 is a flowchart showing details of the switch processing in FIG. 6, FIG. 8 is a flowchart showing details of the display processing in FIG. 6, and FIG. 9 is a diagram showing changes in opening and closing of the display window section. 1... Watch case, 2... Watch glass, 3... Pointer display section, 4... Hour hand, 5
...Minute hand, 6...Second hand, 7...
・Dial board, 7a...Display window, 8...
Shutter plate, 8b... Internal gear, 9a...
-Shutter plate first opening, 9b...Shutter plate i2 opening, lO...Liquid crystal display panel, 10a
...Exposed part, 10b... E step part, 10
c...lower section, 15.23...wheel train mechanism, 16...shutter opening/closing device, 17...
...Main plate, 17a... Protrusion, 18...
Gear train support, 19...4th rate, 19a...
・Axis, 20... Second rate, 20a, 21a...
... cylinder shaft, 21 ... hour wheel, 22 ...
Shutter drive step motor, 23a...first gear, 23b...second gear, 23c...
...Third gear, 24...Rotor, maybe 30...
...CPU, 31...Oscillation circuit, 32...
...Frequency divider circuit, 33...Clock divider circuit, 3
4...Motor drive circuit. 35...Step motor, 36...Pointer, 38...RAM, 41...Motor drive circuit, 42...Display drive circuit, DS...
...display start signal, DE...--display stop signal,
M...Mode register, P...Register, SK...Schedule storage unit, 5th generation...
...Position register, DA...Date area, T
A: Time area, MA: No 2 sage area. Calculate・＼−−→;2＠Magnetic ゞψ M−0(SR;O) M=l(S
R;20)(0)(b)
9th M = 2 (SR; 40) M −
3 (SR; 50) (c) (
d) Diagram

Claims (2)

[Claims] (1) A pointer display device that indicates the time by driving a pointer on a dial by a step motor, an electro-optical display device provided below a display window formed on the dial, and the characters. a shutter plate movable to a first position that opens all of the display windows formed on the plate and a second position that covers a part of the display windows; first data; and a number of digits based on the first data. The second one with less
circuit means for displaying the first and second data obtained by the circuit means on the electro-optic display device; moving the shutter plate to the first position when the first data is displayed on the electro-optical display device, and moving the shutter plate when the second data is displayed on the electro-optic display device. An electronic timepiece comprising shutter plate movement control means for moving to the second position. (2) a pointer display device that indicates the time by driving a pointer on a dial by a step motor; an electro-optical display device provided below a display window formed on the dial; and the characters. A first step that opens all of the display windows provided on the board.
a shutter plate that is movable to a second position that covers a portion of the display window and a third position that covers all of the display window; first data; less second
circuit means for erasing the display of the electro-optical display device, and displaying the first and second data obtained by the circuit means on the electro-optic display device;
a switch means for displaying the data; and a switch means for moving the shutter plate to the first position when the first data is displayed on the electro-optical display device in conjunction with the switch means; When the second data is displayed on the electro-optical display device, the shutter plate is moved to the second position, and when the display on the electro-optic display device is erased by the switch means, the shutter plate is moved to the second position. An electronic timepiece comprising shutter plate movement control means for moving the plate to the third position.