JPH0210189A - Timepiece device - Google Patents

Abstract

PURPOSE:To eliminate the need of a battery replacement, and also, to obviate the danger of an erroneous correction of time by supplying energy and time information to a slave timepiece from a master timepiece. CONSTITUTION:A master timepiece 1 contains a crystal oscillating circuit 6, a frequency dividing circuit 7, and a timepiece circuit for generating time information and calendar information. A slave timepiece 4 is provided with a power source circuit 23 for converting an energy signal from the master timepiece 1 to a DC voltage and charging a battery 21, a correction control circuit 27 for executing a time correction of a timepiece circuit 15 by a time correcting signal from the master timepiece 1, and a charging confirming device 24 for detecting a charging operation of the power source circuit 23. By a confirming signal from this charging confirming device 24, the time correction control circuit 27 executes a time correction of the timepiece circuit 15 of the slave timepiece 4. These operations are executed by placing the salve timepiece 4 on a timepiece placing base of the master timepiece 1.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a timepiece device that is capable of supplying energy and adjusting time from a master timepiece to a slave timepiece.

[Conventional technology]

Conventionally, clock devices that combine a master clock and a slave clock include a system that adjusts the time of a slave clock according to time information of the master clock (for example, Japanese Patent Publication No. 11878/1987);
A system that receives radio time signal and performs zero return operation (
For example, Utility Model Application Publication No. 49-73468, Utility Model Application No. 56-1
No. 191) has been proposed.

Further, as a conventional example of a signal transmission method, there is a method of simultaneously transmitting an energy signal and an information signal as a technology for a non-contact type information card. (For example, Japanese Unexamined Patent Publication No. 63-20588) [Problem to be solved by the invention] However, since conventional clock devices always have a built-in battery on the child clock side, it is only necessary to transmit information signals.
No method has been proposed for transmitting energy and information at the same time, such as an information card.

Furthermore, in conventional clock devices, in order to prevent the child clock from incorrectly adjusting the time due to noise signals, extra elements such as a correction mode switch are provided, and when transmitting information, this correction mode switch I am trying to operate it.

Therefore, the cost increases due to the provision of extra elements such as a correction mode switch. Furthermore, if the adjustment mode switch is operated by mistake while the child watch is being carried, there is a risk that the time will be incorrectly adjusted due to noise signals.

The present invention aims to eliminate the above-mentioned drawbacks, and its purpose is to eliminate the need for battery replacement by supplying energy and time information from the master clock, and to prevent erroneous corrections without providing any extra elements. An object of the present invention is to provide a clock device including a slave clock that eliminates danger.

[Means to solve the problem]

The gist of the present invention to achieve the above object is as follows.

a master clock that outputs an energy signal and a time adjustment signal;
A power supply device that converts the energy signal into a DC voltage to charge a power source, a time adjustment device that adjusts the time of a clock circuit using the time adjustment signal, and a charging confirmation means that detects a charging operation of the power supply device. and a slave clock, and the slave clock is characterized in that the slave time adjustment device is controlled to an operating state by a confirmation signal from the charge confirmation means, thereby adjusting the time of the clock circuit by the time adjustment signal. .

〔Example〕

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 2 is a perspective view showing the configuration of a timepiece device according to the present invention, and FIG. 1 is a circuit configuration diagram thereof.

In Figure 2, 1 is the master clock, hour, minute, second, AM
- It is equipped with a digital display section 2 having a time display pattern of PM and a calendar display pattern of month, day, day, etc., and a clock mounting base 6, on which a child clock 4 is mounted. ing.

Next, the circuit configuration of the timepiece device will be explained with reference to FIG. First, to explain the master clock 1, 5 is a clock circuit as a well-known digital clock, including a crystal oscillation circuit 6, a branch circuit 7,
It is composed of a clock circuit 8 that creates time/information and layer information. 2 is the digital display section explained in FIG. 2, which displays the time and the calendar according to information from the clock circuit 8.

Reference numeral 10 denotes a transmitting coil, which is mounted on the lower surface of the watch mounting base 6. Reference numeral 11 denotes a time signal generating circuit which inputs each time measurement information from the time measurement circuit 8 and outputs a short pulse width time signal p'g as a time correction signal every hour on the hour. Reference numeral 12 denotes a high frequency oscillation circuit, which outputs a high frequency signal fh of about IMHz as an energy signal. Reference numeral 16 denotes a transmission signal generation circuit, which generates a fourth transmission signal S8 by modulating the high frequency signal fh with the time signal pg, and transmits it to the outside via the transmission coil 10.

4 shows the structure of the slave clock shown in FIG. 15
1 is a clock circuit as a well-known analog clock, and a crystal oscillation circuit 16, a frequency dividing circuit 17, and zero section zero circuits 18 and 19 as a time adjustment device are constituted by a motor drive circuit. Further, 20 is a hand movement display device.

The configuration of the clock circuit 15 is, for example,
As disclosed in Japanese Patent No. 37795, it has a zero correction function, and normally the hands are moved by a one-second signal output from the frequency dividing circuit 17, but the zero correction function
By supplying a zero return signal to the R terminal of the machine, an error of ±30 seconds is judged and the cutting section zero correction is performed.

21 is a battery for power supply, 22 is a number s for transmission from master clock 1.
It is a receiving coil for receiving a, and the receiving coil 2
2 is attached to the back cover side of the child watch 4. 23 is a power supply device, which receives the high frequency signal f included in the transmission No. 4 S11.
This is a rectifier circuit that converts h into DC voltage Vs. Reference numeral 24 denotes a charging confirmation device that detects the charging operation of the power supply device 26, and by preventing reverse current from the battery 21 with a diode 25, the power supply device 2 is connected to the power supply device 2 from its output terminal K.
Only the DC voltage v8 of 6 is output.

26 is a filter circuit that reproduces the time signal pg included in the fourth transmission signal S8. Further, reference numeral 27 denotes a correction control circuit, which maintains a non-operating state while no signal is supplied to the control terminal C, and becomes an operating state when the DC voltage va is supplied to the control terminal C, and outputs a signal to the input terminal 1. The supplied time signal pg is output from the output terminal ○.

Next, the operation of the timepiece device having the above configuration will be explained. As mentioned above, the master clock 1 has the function of a table clock, and the transmission coil 1 is activated by the operation of the high frequency oscillation circuit 12, the time signal generation circuit 11, and the transmission number generation circuit 16.
Transmission No. 4 3a is output via 0.

The slave clock 4 is normally carried by the owner as a wristwatch, but when returning home, the slave clock 4 is removed from the wrist and placed on the clock holder 6 of the master clock 1 as shown in FIG. The receiving coil 22 of No. 4 receives the transmission No. 4 Sa from the master clock 1.
is received. And this transmission No. 4 Sa is the power supply device 26
After being converted into a DC voltage Vs by the charging confirmation device 2
4.

As a result, the charging confirmation device 24 charges the battery 21 via the diode 25 and outputs the DC voltage vI+ from the terminal to put the correction control circuit 27 into the operating state. Further, the filter circuit 26 reproduces the time signal pg from the transmitter No. 4 Sa and supplies it to the input terminal (2) of the correction control circuit 27.

As a result, the correction control circuit 27, which is in the operating state due to the DC voltage v++, outputs the time signal plr and the output section zero circuit 1
By supplying the signal to the 80R2 terminal, the clock circuit 15 is reset to zero.

In other words, while the slave clock 4 is placed on the clock stand 3 of the master clock 1, the battery 21 is charged and energy is replenished, and at the same time, the zero correction is carried out every hour. It will be done.

Then, when the slave clock 4 is removed from the clock mounting base 6 in order to use it again as a wrist watch, the transmission No. 4 3a is no longer received. As a result, the DC voltage v8 from the charging confirmation device 24
is eliminated, and the correction control circuit 27 returns to a non-operating state, so that the erroneous correction operation caused by the noise signal of the cutting section zero circuit 18 is no longer performed.

Although not shown in the embodiment, the master clock 1 is provided with a transmitting switch, and this switch allows the high frequency oscillation circuit 12 to be activated.
Also, the transmission number generation circuit 16 may be operated. Also about Father and Son Clock 4.

If the filter circuit 26 is operated by the DC voltage Vs output from the power supply circuit 26 as shown by the dotted line, the current consumption of the battery 21 can be reduced.

Further, in this embodiment, the master clock is a digital clock and the child clock is an analog clock, but it is obvious that the present invention is not limited to this and that various combinations are possible.

[Effects of the Invention] As described above, according to the present invention, energy is supplied and the time is corrected simply by placing the child watch on the stand of the master watch, so the watch can be carried in the best condition at all times. You can.

Furthermore, since the slave clock is equipped with a charging confirmation device and the time can be adjusted based on its output, it is possible to prevent erroneous adjustments due to noise signals.

As a result, it has become possible to provide a timepiece device that is maintenance-free as a wristwatch.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the circuit configuration of a timepiece device according to the present invention, and FIG. 2 is an external perspective view of the timepiece device according to the present invention. 1...Master clock, 4...Sub clock, 5.15...Clock circuit, 10...Transmission coil, 22...Reception Coil, 26...Power supply device. 24...Charging confirmation device.

Claims (1)

[Claims] a master clock that outputs an energy signal and a time adjustment signal;
A power supply device that converts the energy signal into a DC voltage to charge a power source, a time adjustment device that adjusts the time of a clock circuit using the time adjustment signal, and a charge confirmation means that detects a charging operation of the power supply device. Consisting of a clock and
A timepiece device, wherein the time adjustment device of the slave clock is controlled to be in an operating state by a confirmation signal from the charging confirmation means, thereby adjusting the time of the timepiece circuit using the time adjustment signal.