JPS58868Y2 - Electronic clock with alarm function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a reset device for an electronic timepiece device equipped with an alarm function.

Recently, various types of electronic clock devices have been announced, and in particular, table clocks and the like that have an alarm function have been put into practical use.

However, in an electronic watch equipped with this type of notification function, there is a switch for controlling the original functions of the electronic watch, such as a time adjustment switch, and a switch for setting or resetting the time, for controlling the notification function. Furthermore, in order to visually check the time at night, a separate lighting switch is required to turn on the lighting lamp that illuminates the time display, which complicates the configuration.Furthermore, since it requires a large number of switches, it is particularly difficult to use with electronic wristwatches. It was impossible to incorporate it into a small watch.

The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to provide an electronic timepiece with a simple configuration with an alarm function by using a lighting switch for lighting an illumination lamp as a noset for an alarm function.

An embodiment of the present invention will be described in detail below with reference to FIGS. 1 and 2.

First, the configuration of the clock system will be explained. In FIG. 1, reference numeral 1 denotes a reference signal generation circuit made of, for example, a crystal oscillator, which outputs a signal serving as a reference for the clock.

This output signal is input to a frequency dividing circuit 2 consisting of, for example, a plurality of counters, etc., and is divided into a predetermined period.Then, the output signal is inputted to a frequency dividing circuit 2 consisting of, for example, a plurality of counters, etc., and is divided into a predetermined period.
is input.

This signal is counted by the time system counting circuit 3, and the counted contents are inputted to one input terminal of the display switching circuit 5 and the matching circuit 12.

Further, the carry signal of the counter corresponding to the time of the time system counting circuit 3 is inputted to the calendar system counting circuit 4 and counted.

The count contents counted by this calendar system counting circuit 4 are inputted to the display switching circuit 5.

Here, to explain this display switching circuit 5 in detail, the count value of the time-based counting circuit 3 is inputted to one input terminal of an AND circuit 8, and the output of this AND circuit 8 is inputted to one input terminal of an OR circuit 10. It is input to the input terminal.

Further, the count value of the calendar system counting circuit 4 is inputted to one input terminal of an AND circuit 9, and the output of this AND circuit 9 is inputted to the other input terminal of an OR circuit 10.

Furthermore, a signal from a display changeover switch (not shown) is input to the other input terminal of the AND circuit 9, and the inverter 11
The signal is inputted to the other input terminal of the AND circuit 8 via.

The signal selected by the display switching circuit 5 is outputted from the OR circuit 10, inputted to the coder driver section 6, converted into a segment code for display, and then inputted to the display section 7 for display.

Next, the configuration of the notification function system will be explained.

The time at which the alarm 22 is to be activated is set and stored in the memory circuit 13 by an alarm function setting switch (not shown).

This stored information is input to the other input terminal of the minus number circuit 12, and the minus number circuit 12 outputs a one-shot pulse signal when the stored information in the time series counting circuit 3 and the memory circuit 13 match. .

This output is input to the holding circuit 14 and held until a noset signal, which will be described later, is input.

Here, the holding circuit 14 includes an OR circuit 15 and an AND circuit 1.
6 are connected in a ring, and the pulse signal from the coincidence circuit 12 inputted to one input terminal of the OR circuit 15 is outputted from the OR circuit 15, and the pulse signal is output from the OR circuit 15 to the annunciator 22 and the AND circuit 16.
is input to one input end of the .

The output of the AND circuit 16 is again input to the other input terminal of the OR circuit 15.

That is, it is self-held until a reset signal is input to the other input terminal of the AND circuit 16.

The reset signal inputted to the other input terminal of the AND circuit 16 is a signal obtained from a lighting lamp switch (not shown) for lighting the lighting lamp l via the one-shot circuit 17 and the inverter 18. The one-shot circuit 17 inputs the signal from the illumination lamp switch to one input terminal of the AND circuit 21, and
The signal is input to a delay circuit 19, and the output of the delay circuit 19 is input to the other input terminal of the AND circuit 21 via an inverter 20.

The output of the holding circuit 14 is inputted to the annunciator 22, which is controlled by, for example, a sound generation circuit, an amplification circuit, etc., and controls the sound generation circuit of the annunciation device 22, such as causing the sound generation circuit to generate sound.

Next, the operation of the present invention configured as above will be explained.

When the operator manually inputs the time at which the alarm 22 is to be activated using an alarm function setting switch (not shown), this information is stored in the memory circuit 13 and sent to the minus number circuit 12.

This minus number circuit 12 compares the count value output of the time system counting circuit 3 and the stored information of the memory circuit 13, and outputs a one-shot pulse signal to activate the time alarm 22 that matches, This output is held in the holding circuit 14.

When it is desired to reset the holding circuit 1-4, the holding circuit 1-4 is reset by a signal from the one-shot circuit 17 outputted by operating an illumination lamp switch (not shown).

For example, if the time you want to activate the alarm 22 is IO, input 10 o'clock in advance into the memory circuit 13, and when the count content of the time system counting circuit 3 corresponds to 10 o'clock, , the minus number circuit 12 outputs a one-shot pulse signal of 1.

This 1 signal is applied to one input terminal of the OR circuit 15, and the OR circuit 15 outputs 1 and applies 1 to one input terminal of the AND circuit 16.

At this time, since no reset is applied to the other input terminal of the AND circuit 16, that is, 1 is applied, the output of the AND circuit 16 becomes 1, and 1 is inputted to the other input terminal of the RIO circuit 15 again.

Thereafter, even if 1 is not applied to one input terminal of the OR circuit 15, the OR circuit 15 outputs 1, and the output of the holding circuit 14 becomes 1.

Based on this output, the sound generating circuit of the notifier 22 generates a sound to notify the user.

Next, the case of resetting this notification function will be explained.

When the illumination lamp switch is operated, it turns on the illumination lamp I and applies its output to the one-shot circuit 17 at the same time.

The output is a waveform a shown in the time chart of FIG.

The signal applied to the one-shot circuit 17 is applied to one input terminal of the AND circuit 21 and also applied to the delay circuit 19.

The delay circuit 19 outputs the applied signal after a predetermined time delay and applies it to the inverter 20 as shown in the waveform shown in the figure.

The inverter 20 inverts the applied signal and outputs it.

This output has the waveform shown in Figure C. The signal output from the inverter 20 is applied to the other input terminal of the AND circuit 21, and the AND circuit 21 outputs a one-shot pulse signal as shown in d of the figure.

Therefore, this signal is applied to the inverter 18 and
The signal is inverted and applied to the other input terminal of the AND circuit 16 as shown in FIG.

As a result, the output of the AND circuit 16 is prohibited, the holding circuit 14 is reset, and the sound generating circuit of the alarm 22 stops producing sound.

Note that while the lighting lamp switch is being operated, that is, when the signal from the lighting lamp switch is 1, the AND circuit 12 outputs and the alarm 22 is activated, the lighting lamp switch is operated again and the one-shot circuit 17 is activated. It goes without saying that it is good as long as the output is generated.

Note that the storage circuit 13 is not limited to storing one piece of information;
It is also possible to store many times and activate the alarm 22 many times.

Alternatively, a so-called calendar alarm configuration may be used in which the alarm 22 is activated when the count value of the calendar system counting circuit 4 and the value stored in the storage circuit 13 match.

Of course, the alarm 22 is activated when both calendar information such as month, day, day of the week, and time information such as hours, minutes, seconds, etc. match the stored value set in the storage circuit 13. is also good.

The annunciator 22 is not particularly limited to an acoustic one, and any annunciating means such as a lamp or blinking of the display section 7 or a tape recorder or the like which is activated by the output of the holding circuit 14 may be used.

In short, it goes without saying that various applications are possible without departing from the gist of the present invention.

As detailed above, according to the present invention, by using the lighting switch also as a switch for resetting the notification function, the number of dedicated individual control switches can be reduced, the configuration is extremely simple, and a small electronic wristwatch can be used. This has the effect that it can also be incorporated into, etc.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a time chart for explaining the operation of FIG. 1. 12...-Several circuit, 13... Memory circuit, 14... Holding circuit, 17... One-shot circuit, 22... Notification vessel.

Claims (1)

[Scope of utility model registration request] A counting circuit that obtains time information by counting a reference signal, a display that displays the time information of the counting circuit, a lighting switch that controls a lighting lamp that illuminates the display, and a lighting switch that is kept set at the notification time. a holding circuit, an alarm that operates when the holding circuit is in a set state, and a reset signal generating means that supplies a reset signal to the holding circuit each time the lighting switch is operated; An electronic watch with an alarm function, which stops the operation of the alarm by operating the light switch.