JPH0656419B2 - Electronic clock mode switching device - Google Patents

Description

Description: TECHNICAL FIELD OF THE INVENTION The present invention relates to a mode switching device for an electronic timepiece.

[Background of the Invention] Generally, a mode switch of an electronic timepiece is performed by a push button switch, a crown, a touch switch using a transparent electrode, or the like, and such a switch is provided on a side surface or a top surface of a watch case. It is always placed outside the watch case. Therefore, when the number of switches increases, not only the appearance and design of the timepiece are impaired, but also the mode is switched if the timepiece is accidentally dropped or the switch is touched while being carried.

[Object of the Invention] The present invention has been made in view of the above circumstances, and an object of the present invention is to surely switch the mode by a simple operation without switching the mode arbitrarily when carrying. An object of the present invention is to provide a mode switching device for an electronic timepiece that can be used.

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a digital display unit having a digital display device at a first position where only a part of a display area of the digital display device is exposed and at the first position. It is provided so as to be able to be drawn out to a second position where it is further drawn out from the first position and the entire display area is exposed, and different information is displayed in the display areas exposed at the first position and the second position, respectively. It is configured as follows.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

1 (A) to (C) show an electronic wrist watch. This electronic wrist watch 1 is provided with an analog clock section 2 and a digital clock section 3, and the analog clock section 2 is inside the analog storage section 4a inside the watch case 4, and the digital clock section 3 is inside the digital storage section 4b. Each is stored.

The watch case 4 is made of synthetic resin and has watch bands 4c and 4c integrally formed at the front and rear ends thereof. A watch glass 5 is attached to the upper surface by a bezel 6, and an analog storage portion 4a and an analog storage portion 4a are provided inside. Digital storage parts 4b are formed side by side in front and back (up and down in FIG. 1 (B)), and a back cover 7 is attached to the back surface (right side in FIG. 1) by means of screws 7a. There is. In this case, the analog clock section 2 and the digital clock section 3 are partially overlapped with each other, and the lower right corner of the timepiece glass 5 is cut out in a substantially triangular shape, and the cutout lower right opening portion 4d is formed.
A part of the digital clock section 3 can be seen from. In addition, each storage portion 4a for storing each clock device 2 and 3,
4b is open to the back side and is blocked by the back side 7. In this case, in particular, the above-mentioned lower right opening portion 4d and the side portion of the digital storage portion 4b are opened, and a part of the digital timepiece portion 3 can be retracted from the timepiece 4 from the opened side portion. It is designed to be pulled out to.

The analog clock section 2 is for indicating the time by moving the hands 9, and the analog block 10 is fixed to the presser ring 10a in the analog storage section 4a as shown in FIG. A dial 11 is arranged on the left side of the drawing, and the analog block 10 is provided above the dial 11.
The pointer shaft 10b of the needle protrudes, and the pointer 9 is movably attached to the protruding pointer shaft 10b. In this case, the dial 11 is larger than the analog storage portion 4a, and a part thereof is arranged so as to overlap the digital storage portion 4b as shown in FIGS. 9 is supposed to move the hands. A crown 12 is provided so as to project to the outside of the timepiece case 4 from the side surface of the analog storage portion 4a.
It is supposed to correct the time.

On the other hand, the digital timepiece unit 3 displays the time electro-optically, and as shown in FIGS. 1A to 1C, the case 13 is arranged in the digital storage unit 4b. The case 13 slides along the front and rear walls inside the digital storage section 4b,
The right side of the case 13 protrudes into and out of the watch case 4, and the upper part of the case 13 has a triangular part 13a corresponding to the lower right opening part 4d of the analog timepiece part 2 and the watch glass 5 substantially on the same plane. The height is so high as to be one, and the other portions are formed one step lower, and a protective glass 14 is provided on the upper surface of these portions in the direction of movement of the case 13. The protective glass 14 protects a liquid crystal display device 15 which will be described later, and has an opening 4 at the lower right.
The portion corresponding to d (the right side in FIG. 1C) is formed thick, and the other portion (the left side) is formed thin. Also,
A liquid crystal display device 15, a circuit board 16, a battery 17 and the like are arranged inside the protective glass 14. Liquid crystal display device 15
Indicates the time and the like, and is arranged corresponding to the inner surface of the protective glass 14 and electrically connected to the circuit board 16 by the interconnector 15a. The circuit board 16 not only supplies a drive signal to the liquid crystal display device 15 but also a drive signal to the analog block 10 of the analog timepiece unit 2, and a crystal oscillator 18, a trimmer / capacitor 19, an LSI 20 etc. The components are provided and are electrically connected to the analog block 10. The battery 17 supplies power to the circuit board 16, and both electrodes thereof are connected to the circuit board 16.

Further, the digital clock section 3 has a mode changeover switch 21 and a key switch section 2 as shown in FIG. 2 and FIG.
Equipped with 2. Mode switch 21 is case 13
The mode of the digital timepiece unit 3 is switched according to the pulling out operation of the digital clock section 3, and as shown in FIG. 3, it is provided with three operators 21a, 21b and 21c and is provided on the side surface of the case 13. That is, the operators 21a, 21b, 21c
The inner end portions are elastically urged by the leaf springs 23, ..., And the inner end portions of the case 13 come in and out from the side portions of the case 13 in response to the pulling-out operation of the case 13, respectively, as shown in FIG. As shown in FIG. 3A, when the digital timepiece unit 3 is stored in the digital storage unit 4b, the tips of the operators 21a, 21b, and 21c are located in the case 1.
3 protrudes from the side wall to the outside, and the protruding tips are inserted into the recesses 4b ₁ , 4b ₂ and 4b ₃ formed on the wall surface of the digital storage portion 4b of the watch case 4, and the opposite inner ends are inside the case 13. Contact electrodes 16 provided on the circuit board 16
a, 16b, 16c are separated from each other, and three operators 21a,
21b and 21c are turned off. In this state, the mode selector switch 21 is set to the date-day of the week mode, and the day and the date are displayed on the liquid crystal display device 15 as shown in FIG. 2 (A). Further, as shown in FIG. 2B, when the digital timepiece unit 3 is pulled out from the digital storage unit 4b by one stage, the operating elements 21a, 21b, 21c are moved as the case 13 moves.
Moves in the same direction, and as shown in FIG. 3 (B), the tip of the right operator 21c is pushed by the wall surface inside the digital storage portion 4b, and the opposite inner end is the contact on the right side of the circuit board 16. The electrode 16c is brought into conduction and turned ON, and the other operator 21a,
21b, each tip thereof is inserted into the adjacent recesses 4b ₂ and 4b _3, and each opposite inner end is a contact electrode 16 of the circuit board 16.
It is turned off by separating from a and 16b. In this state,
The mode selector switch 21 becomes the alarm mode, and the second
As shown in FIG. 2B, the liquid crystal display device 15 displays an alarm display and an alarm time. Furthermore, FIG. 2 (C)
When the digital timepiece unit 3 is pulled out from the digital storage unit 4b by two stages as shown in FIG. 3, the operators 21a, 21b, 21c are further moved as the case 13 moves, as shown in FIG. ) As shown in FIG.
1c is pushed at its front end by the wall surface in the digital storage portion 4b, and the opposite inner end portions are turned on by conducting the contact electrodes 16b, 16c on the right side of the circuit board 16 and turned on.
1a has its tip inserted into the adjacent recess 4b ₃ and its opposite inner end spaced apart from the contact electrode 16a of the circuit board 16 OF
It becomes F. In this state, the mode change switch 21 is set to the stopwatch mode, and the start state at the stopwatch time is displayed on the liquid crystal display device 15 as shown in FIG. 2 (C).

The key switch unit 22 is composed of three types of switches, that is, a select switch 22a, a set switch 22b, and a correction switch 22c.
The switch 22a to 22c is hidden when the digital timepiece unit 3 is housed in the digital housing unit 4b as shown in FIG. 2A, as shown in FIG. As shown in (C), when the digital clock unit 3 is pulled out from the digital storage unit 4b by one stage, the switch 22a
And 22b are pulled out in two stages, the switches 22a to
22c is exposed. The select switch 22a and the set switch 22b are the liquid crystal display device 15
Is for correcting the time data displayed in
In the state of FIG. 2 (B), it is used to set the alarm time. The select switch 22a selects and designates a digit and blinks the designated digit, and the set switch 22b adds +1 to the blinked digit. That is, in the alarm mode (state of FIG. 2B) in which the digital clock unit 3 is pulled out by one stage, the select switch 22
As shown in FIG. 4, each time a is pressed, the digit of the alarm time is sequentially advanced and the hour digit, minute digit, etc. are blinked and displayed, and the set switch 22b is blinked by one digit + 1 Are sequentially added to correct the alarm time, and in the stopwatch mode (state of FIG. 2 (C)) in which the digital clock section 3 is pulled out by two stages, the select switch 22a is set to the stopwatch mode. start/
The stop switch is activated and the set switch 22b is used to clear the measured value. When the correction switch 22c is pressed in the state shown in FIG. 2 (C) in which the digital clock unit 3 is pulled out by two stages, the current time is corrected (time, month) as in the alarm mode described above. Day, day of the week, etc.). Correction switch 22c
Is for switching between the stopwatch mode and the timetable time mode in which the current time is displayed.
It is exposed only in the stopwatch mode (Fig. 2 (C)) that has been pulled out in two stages. Pressing once in this state switches to the time display mode, displaying the current time, and pressing it again switches to the stopwatch mode. .

Next, the circuit configuration of the electronic wrist watch 1 as described above will be described with reference to FIG.

The oscillator circuit (OSC) 24 divides the oscillation signal by a frequency divider (DI
V) 25 and the frequency is divided by the frequency dividing circuit 25. Of the frequency-divided signals output from the frequency dividing circuit 25, a 1 Hz signal is given to the motor drive circuit 26 of the analog timepiece unit 2 to drive the analog block 10 to move the hands 9 and the digital timepiece unit 3 as well. It is also given to the time counting circuit 27. The time counting circuit 27 counts based on the 1 Hz signal from the frequency dividing circuit 25, and the time data is displayed by the display switching circuit 28.
And the match detection circuit 29. The display switching circuit 28 switches the display of the liquid crystal display device 15 to three types of day / date display, alarm display and stopwatch display based on the mode switching signal from the mode switching circuit 30.
The time display is switched by a time correction mode signal from the input control unit 31 described later. The mode changeover circuit 30 outputs 3 from the mode changeover switch 21 depending on the state in which the digital clock section 3 is pulled out from the digital storage section 4b.
A kind of signal is given, and based on this signal, a mode switching signal is given to the display switching circuit 28, and at the same time, the input control unit 3
A switching signal is also given to 1. The input control unit 31 receives a switching signal from the mode switching circuit 30 and also has a key switch unit 22 provided on the case 13 of the digital timepiece unit 3.
3 types of switch signals are provided from the time counting circuit 27 and the alarm time storage circuit 32 based on these signals.
In addition to outputting the digit select signal and the +1 set signal, the start / stop signal and the clear signal are output to the stopwatch circuit 33, and the time adjustment mode signal is output to the display switching circuit 28.

Then, the time counting circuit 27 normally outputs the time data to the display switching circuit 2 based on the 1 Hz signal from the frequency dividing circuit 25.
8 and the coincidence detection circuit 29, and FIG.
As shown in, while the digital clock unit 3 is stored in the digital storage unit 4b, the day of the week / date is displayed on the liquid crystal display device 15. That is, when the digital timepiece device 3 is housed in the digital housing portion 4b, the operators 21a, 21b, 21c of the mode changeover switch 21 are turned off, and the switch signal is given to the mode changeover circuit 30 and the mode changeover circuit 30. From the date / day of the week mode signal to the display switching circuit 28
Of the time data output to the display switching circuit 28, the day of the week / date is displayed on the liquid crystal display device 15.

The alarm time storage circuit 32 gives the stored alarm time data to the coincidence detection circuit 29 and the display switching circuit 28, and the alarm time data given to the coincidence detection circuit 29 is the time given by the time counting circuit 27. When the data coincides with the data, a coincidence signal is output from the coincidence detection circuit 29 to the buzzer drive circuit 34, and an alarm sound is emitted from the speaker 35. Further, the alarm time data given to the display switching circuit 28 is pulled out by one stage from the digital storage unit 4b of the digital clock unit 3 as shown in FIG. When the display switching circuit 28 switches to the alarm display, the alarm time is displayed on the display switching circuit 28. Moreover, in this state, the select switch 22a of the key switch unit 22
When the set switch 22b is operated, a digit select signal and a +1 set signal are output from the input control unit 31 to the alarm time storage circuit 32, and the alarm time storage circuit 32 corrects the stored alarm time based on these signals. Then, the corrected alarm time data is displayed on the liquid crystal display device 15 via the display switching circuit 28.

The stopwatch circuit 29 is 1/1 times the frequency divider circuit 25.
A signal of 00 Hz is given, and the time counting information of the stopwatch is given to the display switching circuit 28 based on this signal, but normally it is not displayed on the liquid crystal display device 15, and the digital clock unit 3 is moved from the digital storage unit 4b. When the display switching circuit 28 is pulled out by two stages and the display switching circuit 28 is switched to the stopwatch display by the mode switching signal from the mode switching circuit 30, "00:00:00" is displayed on the liquid crystal display device 15. Further, when the digital clock section 3 is pulled out from the digital storage section 4b in two stages in this way, the mode switching circuit 30
A function switching signal to the input control section 31 to switch the functions of the select switch 22a and the set switch 22b of the key switch section 22.
The start / stop signal is output based on the operation a, and the clear signal is output based on the operation of the set switch 22b. In this state, the key switch unit 22
When the select switch 22a of is pressed once to turn it on,
A start signal is given from the input control section 31 to the stopwatch circuit 29, whereby the stopwatch circuit 2
9 starts counting, and the information is displayed on the liquid crystal display device 15 via the display switching circuit 28. Then, when the select switch 22a is pressed again and turned on, a stop signal is given from the input control unit 31 to the stopwatch circuit 29 in the future, counting by the stopwatch circuit 29 is stopped, and the counting result ( (Measured value) is displayed. In addition, the set switch 2 of the key switch unit 22
When 2b is pressed, the clear signal from the input control unit 31 is given to the stopwatch circuit 29, the counting result of the stopwatch circuit 29 is cleared, and the liquid crystal display device 15
The initial state of the stopwatch is "00: 00; 00"
Is displayed. On the other hand, when the correction switch 22c of the key switch unit 22 is pressed, the display switching circuit 28 enters the time correction mode in response to the time correction mode signal from the input control unit 31, and the liquid crystal display device 15 displays the current time, month, day, day of the week, etc. Time data is displayed. When the select switch 22a and the set switch 22b of the key switch unit 22 are operated, the digit select signal and the +1 set signal are given from the input control unit 31 to the time counting circuit 27, and the time can be adjusted. That is, in this state, the select switch 22a
When the set switch 22b is operated, the time data such as the current time, month, day, and day of the time counting circuit 27 is corrected based on the digit select signal and the +1 set signal from the input control section 31, and the corrected time is corrected. The data is displayed on the liquid crystal display device 15 via the display switching circuit 28. After the time is adjusted, if the correction switch 22c is pressed again, the mode is switched to the stopwatch mode. In this state, if the digital clock section 3 is stored in the digital storage section 4b, the display switching circuit 28 switches to the date / day of the week mode. Instead, the date / day of the week is displayed on the liquid crystal display device 15.

However, according to the electronic timepiece configured as described above,
The digital clock section 3 is placed in the digital storage section 4b of the clock case 4.
Since it is housed so that it can appear and disappear, the display mode (watch face), appearance shape, design, etc. of the entire timepiece changes, and it is possible to provide an electronic wristwatch with a new image that has never existed before. In particular, when the digital timepiece unit 3 is stored in the digital storage unit 4b of the timepiece case 4, only part of the digital timepiece unit 3 is exposed from the lower right opening 4d of the timepiece case 4, so The exposed portion of the digital timepiece unit 3 in is reduced, and a high-class feeling can be obtained as a combination watch. Moreover, since the analog timepiece unit 2 and the digital timepiece unit 3 partially overlap each other, the entire timepiece can be made compact, and the display portion of either one (the analog timepiece unit 2 in this embodiment) is enlarged. be able to. Further, the digital timepiece unit 3 can be provided with a large number of switches such as the mode changeover switch 21 and the key switch unit 22 and the like, so that it can be made multifunctional. Also, when the digital clock unit 3 is stored in the digital storage unit 4b,
Since the various switches provided in the digital timepiece unit 3 are completely hidden without being exposed to the outside, it is possible to reduce the number of switches in appearance and to make the appearance of a simple timepiece. You can make a sense. Further, the number of display digits of the liquid crystal display device 15 of the digital timepiece unit 3 changes according to the pulling-out operation of the digital timepiece unit 3, and the mode information corresponding to the pulling-out state can be read satisfactorily and promptly.

In addition, the mode switch 21 and the key switch unit 2
Since the various switches such as 2 are hidden in the digital storage portion 4b of the watch case 4 so as to be retractable and retractable as described above, it is possible to prevent the malfunction of the switch without being erroneously operated while being carried. . In particular, since the mode changeover switch 21 is automatically changed over in accordance with the pulling out operation of the digital timepiece section 3, the operation can be easily and surely switched over. Further, only the necessary switches of the key switch unit 22 are exposed according to the pull-out state (mode) of the digital timepiece unit 3, so that the operability is good, there are few operation mistakes, and erroneous input can be prevented.

Although the mode is switched by pulling out the digital clock section 3 in the above-described embodiment, the analog clock section 2 is configured to be pulled out, and the mode is switched by pulling out the analog clock section 2. Is also good.

Further, not limited to the digital timepiece unit 3 and the analog timepiece unit 2, a moving plate may be provided in the timepiece case 4, and the mode may be switched by pulling out the moving plate. In this case, the moving direction of the moving plate is not limited to the lateral direction,
It may be in the vertical direction or the like.

Further, the present invention is not limited to the combination watch as described above, and both of them are an analog clock section,
Both may be provided with a digital timepiece unit or three or more timepiece devices, and are not limited to wristwatches, but can be widely applied to other timepieces such as pendant timepieces.

[Effects of the Invention] As described above, according to the mode switching device for an electronic timepiece according to the present invention, the mode is switched in accordance with the movement of the moving body that can move in and out of the timepiece main body. Sometimes the mode does not change without permission, you can switch the mode reliably and accurately with a simple operation, and the switches etc. do not always appear outside, making it simple in appearance and design. ,
It can give a high-class feeling.

[Brief description of drawings]

FIG. 1 shows an embodiment in which the present invention is applied to an electronic wrist watch. FIG. 1 (A) is an external plan view thereof, FIG. 1 (B) is an AA sectional view, and FIG. 1 (C) is BB cross-sectional view, FIG. 2 shows the use state, FIG. 2 (A) is an external plan view of the state in which the digital timepiece unit is stored, and FIG. 2 (B) shows the digital timepiece unit pulled out one step. Fig. 2 (C), which is a plan view of the main part of the state
Is a plan view of the main part with the digital clock section pulled out two steps,
FIG. 3 shows a mode selector switch, FIG. 3 (A) is a sectional view in the date / day of the week mode, FIG. 3 (B) is a sectional view in the alarm mode, and FIG. C) is a cross-sectional view in the state of the stopwatch mode, FIG. 4 is a diagram showing operation specifications of the digital timepiece unit, and FIG. 5 is a block diagram showing a circuit configuration. 1 ... Electronic wristwatch, 2 ... Analog clock section, 3 ... Digital clock section, 4 ... Watch case, 4a ... Analog storage section, 4b ... Digital storage section, 21 ... Mode selection switch.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-57-80585 (JP, A) real-opening Sho-56-169290 (JP, U) real-opening Sho-56-149984 (JP, U) real-opening Sho-56- 19830 (JP, U)

Claims (1)

[Claims] 1. A timepiece case in which a dial is arranged on the upper surface and a side surface is opened to form a unit accommodating portion, and an analog timepiece portion arranged inside the timepiece case for moving a pointer on the dial. A digital display unit having a digital display device on an upper surface and retractably housed in the unit housing portion of the watch case; and a digital display unit that is pulled out from the unit housing portion and is located in a display area of the digital display device. A detection unit that detects that the first portion is exposed at the first position and the second position that is further pulled out from the first position to expose the entire display area; And a functional information storage unit for storing the digital display device at the first position and the second position according to the detection output of the detection unit. Mode switching device for an electronic timepiece comprising anda display control means for displaying a respective different function information in the display area.