JPS62299785A - Hand type multifunctional electronic timepiece - Google Patents

Abstract

PURPOSE:To minimize the driving time of hands by automatically deciding the rotating direction of the hands at the time of a mode change from whether the hands are driven in quick traverse mode forward or backward to a time to be displayed next. CONSTITUTION:When modes are changed to switch time information to be displayed, data in a means 22 stored with the current display state is read out through a bus line 21 and it is decided whether or not the hands need to be moved by a means 17 which compares and computes the contents of data. Then when so, whether the hands are rotated forward or backward and how many pulses are outputted are sent out by the means 17 to means 18 and 19 which generate a forward and a backward rotation waveform through a bus 21. When this data is data for forward rotation driving, the means 18 outputs the forward driving waveform to a motor driving means 20 to drive the heads forward. When the data is data for backward driving, on the other hand, the hands are reversed through the means 19. Thus, the hand driving time up to the time display in newly specified mode is minimized.

Description

[Detailed Description of the Invention] 3. Detailed Description of the Invention [Field of Industrial Application] The present invention provides time information such as the current time and alarm setting time using hours, minutes, seconds, and another pointer. When changing the display information using an external switch input for a hand-type electronic watch (see below).

(This is abbreviated to the name "mode change.") The present invention relates to a means for automatically determining whether to drive by forward rotation fast traverse or reverse rotation fast traverse.

[Summary of the invention]

The present invention is a hand-type electronic watch that displays at least two or more different pieces of time information using hours, minutes, seconds, and a single hand. When changing the mode of a watch that requires operation to change the displayed time information (mode change), the system calculates the currently displayed time and the time of the destination to be displayed next, and then drives the watch to that time. The present invention provides a means for automatically determining whether forward rotation fast-forward drive or reverse rotation fast-forward drive is used to minimize the time required to change time information and reduce power consumption necessary for driving.

[Conventional technology]

Conventionally, in hand-type electronic watches such as those mentioned above, when changing the displayed time information, the watch rotates only in a specified rotation direction regardless of the time difference between the currently displayed time and the next time to be displayed. It was something.

[The Mano point that the invention attempts to solve]

Therefore, when changing the time display using the conventional method,
The time it takes to drive the hands in fast forward mode becomes longer, and the time it takes to stop the drive and obtain the next time information to be displayed becomes longer.For example, if the currently displayed time is 12
00:00, and the next time you want to display is 11:59.
If the hour and minute hands are driven by one motor, they will be driven for 11 hours and 59 minutes in the case of forward rotation only. The minute hand drive cycle is 20 seconds, and the forward rotation fast forward cycle is 64 hours.
z, the time required for fast forward drive vJ is approximately 33.7 seconds. In other words, it has the disadvantage that the next time information cannot be obtained until approximately 34 seconds have passed.

[Means for resolving issues]

In order to solve the above problem, the present invention calculates the time difference between the currently displayed time and the next time to be displayed when switching the time information to be displayed, and selects between forward rotation fast-forward drive and reverse fast-forward drive. By automatically determining the direction of rotation, it is possible to minimize the fast-forward drive time, thereby minimizing the above-mentioned drawbacks.

[Effect]

When changing modes as described above, by automatically determining whether to perform forward fast-forward or reverse fast-forward driving to the next time to be displayed, the next time to be displayed can be changed. It can be read and operated quickly.

〔Example〕

Embodiments of the present invention will be described below based on the drawings. FIG. 1 is a block diagram showing an embodiment of the present invention, in which 1 is an oscillation circuit using a crystal resonator as an oscillation source, 2 is a frequency divider circuit that divides the output of the oscillation circuit 1, and 3 is a frequency divider circuit 2. clock generation means for forming a timing clock necessary for the operation of the entire system from a plurality of outputs; and switch input control means 4 for controlling the human power of switches operated by the user or government according to the timing of the clock generation means 3. , 5 is a processor whose operation timing is controlled by the clock generation means 3, and processes the output of the switch manual control means 4, the output of the ROM 6, the output of the RAM 7, and the output of the motor drive means 8; 6 is a processor for programming the operating procedure of the clock; 7 is a ROM that stores instructions, and 7 is an R that temporarily stores time information, etc.
AM, 8 is a motor drive means for moving the pointer. FIG. 2 is a detailed block diagram of the periphery of the processor 5, and FIG. 4 is a flow chart of the calculation performed by the processor 5 of FIG.

RAM 7 includes means 9 for counting seconds and means 1 for counting minutes.
means 11 for counting 01 o'clock, means 12 for recording the minute of the alarm, means 13 for storing the hour of the alarm, means 14 for counting the minutes of world time, means 15 for counting the hour of world time, means 15 for counting the hour of world time, It is composed of a means 22 for recording the display state.
Further, a means 18 for forming a normal rotation waveform to drive the motor in the forward direction and a means 19 for forming a reverse waveform for driving the motor in the reverse direction are also connected via a pass line 21, respectively. The means 20 for driving the motor is connected to the means 18 for forming a normal rotation waveform and the means 19 for forming a reverse rotation waveform, and the pointer is driven by the output of each. Sui.

The means 16 for controlling the senryoku are also connected via the pass line 21.

The operation of the embodiment having such a configuration will be explained.

In the normal state, it is necessary to count the time regardless of the data in the means 22 for storing the current display state.

Therefore, the IH output from the clock generating means 3 in FIG.
According to the z signal, the data of the means 9 for counting seconds is read out via the pass line 21 to the means 17 for comparing and calculating, and is incremented by 1. The data obtained by adding 1 is compared to see if it has reached 60 seconds, and if it is "no", it is directly stored in the means 9 for counting seconds via the pass line 21.

In addition, if it is "60", the means 1 for comparing and calculating
7 to 100" and stored in the means 9 for counting seconds via the pass line 21, and then the means 10 for counting minutes.
The data is read out via the pass line 21 to the comparing/arithmetic means 17, and "1" is added thereto.

Compare whether the data obtained by adding this "1°" corresponds to 60 minutes, and if it does not, leave it as is or "60 minutes".
``If so, the data is changed to 'oo'' and stored in the minute counting means 10 via the pass line 21. Means 11 for counting 6 o'clock, means 14 for counting minutes of world time. The operation of the means 15 for counting world time is similar to the procedure for counting seconds. The steps for these movements are all shown in Figure 1.
Stored in OM6. Furthermore, record the current display state tα
The data of the means 22 is read out via the pass line 21, and the means 17 for comparing and calculating the contents of the data determines whether it is necessary to move the pointer or not, and if it is necessary to move it, whether it is forward or reverse rotation. Compare how many pulses are output
A means 18 for forming a normal waveform and a means 19 for forming a reverse waveform are transmitted from the calculating means 17 via the pass line 21.
If this data is data for normal rotation drive, the means 18 for forming a normal rotation waveform outputs the normal rotation drive waveform to the means 20 for driving the motor to drive the pointer in normal rotation. If the data is for reverse drive, means 1 for forming a reverse waveform.
Reverse the pointer using the same procedure as for forward rotation.

In a system operating normally as described above, when data indicating a mode change is input by the user's switch operation from the switch manual control means 4 shown in FIG.
The means 16 for controlling the switch manually in FIG. 2 sends the data to the means 17 for comparing and calculating via the pass line 21. For example, if the data is from the current time display state to the alarm setting time display state, the processing from flowchart F in the third depression is performed. First, means of counting time 11
The data of is input to the means 17 for comparison and calculation via the pass line 21, and then the data of the means 13 for storing the alarm time is manually inputted to the means 17 for comparison and calculation via the pass line 21, Perform subtraction from data. A comparison is made to determine whether the obtained data is a positive value. If it is positive,
Furthermore, compare whether it is larger than 9. If it is large, reverse rotation control processing Q is performed, and if it is small, forward rotation control processing P is performed.
When the data obtained by the above subtraction is a negative value, it is determined whether the absolute value is greater than "3", and if it is large, the process P of clear weather control is carried out, and if it is small, the process P of reverse control is carried out. Perform processing Q. Furthermore, when the subtraction data is "0", the data of the means 10 for counting the minutes is inputted to the means 17 for comparison and calculation via the pass line 21, and the minutes of the alarm are stored. The data of the means 12 to pass the data to the pass line 21
The data is inputted to the comparing/arithmetic means 17 via the , and subtracted from the previous data. If the result is positive, forward rotation control processing P is performed, and if negative, reverse rotation control processing EIIQ is performed. Moreover, if it is "0", no operation is performed. In the normal rotation control processing, the pointer is driven in the normal rotation by the means 20 for driving the data through the pass line 21 and the means 18 for forming a normal rotation waveform. Current “hour” and minute data of the calculating means 17 RC, R
Add "1" to Δ, compare the "hour" data of the destination alarm with the data RD and RB, and repeat until they match. In the case of reverse control processing, "1" is similarly subtracted and the process is repeated until they match.

A flowchart for executing the above-mentioned control is shown in FIG. 3, and A to ■ in the figure are each step of the flowchart.

The control calculation of the present invention is executed once each time the user inputs a switch. When A is in the interrupt wait state, if any interrupt is input, B determines whether it is a switch input and outputs ND.
(hereinafter abbreviated as N), the process branches to another process C, and if 'ies (hereinafter abbreviated as Y), the process branches to D. D determines whether the switch input is a mode change, and if it is N, it branches to another process E, and if it is Y, it branches to F. F transfers the data of "1 o'clock" of the current display to RA, G transfers the data of "hour" of the destination time to RI3. H performs the subtraction n operation of RA from the RB.

(2) branches to L when the subtraction data is °φ'', to K when it is positive, and to J when it is negative.J judges whether the absolute value of the subtraction result is greater than 9, If Y, branch to 0; if N, branch to P.K, like J, the absolute value of the subtraction result is 3.
It is determined whether it is larger, and if it is Y, it branches to P, and if it is N, it branches to O.

L then transfers the currently displayed minute data to RC, and M transfers the minute data of the destination time to RD. N performs a subtraction operation of RC from RD, and 0 indicates that the result of the operation by N is negative. If it is Y, it branches to O, if it is N, it branches to P, and if it is "φ", it branches to the end. P adds 1 minute from the currently displayed hour and minute data, and R is the 1 minute normal rotation waveform. output, T is P
Determine whether the calculation result matches the hours and minutes of the destination time,
If Y, the process ends; if N, branch to P and repeat the processes of P, R, and T. Q is the calculation of subtracting 1 minute from the hour and minute data of the current time display, and S is the reversal of the 1 minute value. The waveform is output, ■ determines whether the operation result of Q is the same as the destination hour and minute data, and if it is Y, the process ends, and if it is N, it branches to Q, and Q,
Repeat steps S and V.

〔Effect of the invention〕

As explained above, according to the present invention, when a mode change is performed, the hand drive time until the time of the newly specified mode is displayed automatically determines whether the hand rotation should be performed in forward or reverse rotation. It has the advantage of being able to make decisions and drive in the shortest possible time.

Furthermore, although this embodiment has been described on the premise that the forward rotation drive period is twice the reverse rotation drive period, if the difference in this period changes, the data for determining whether the rotation is forward rotation or reverse rotation can easily change. It is.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 is a detailed block diagram of the periphery of the first processor 5, and FIG. 3 is a flowchart showing the operation procedure within the processor 5. DESCRIPTION OF SYMBOLS 1... Oscillation circuit 2... Frequency dividing circuit 3... Timing clock generation means 4... Switch input means 5... Processor 6... ROM 7... RAM 8... Motor drive means 9 ... Means for counting seconds 10 ... Means for counting minutes 11 ... Means for counting hours 12 ... Means for storing alarm minutes 13 ... Means for storing alarm hours 14. ... Means for counting minutes of world time 15 ... Means for counting hours of world time 16 ... Means for controlling the switch input 17 ...
・Means for comparing and calculating 18...Means for forming a forward rotation waveform 19...Means for forming a reverse rotation waveform 20...Means for driving the motor 21...Pass line 22...Current display state 7. Figure 1.

Claims (1)

[Claims] an oscillation circuit whose source oscillation is a crystal resonator, a frequency divider circuit that frequency divides an output signal of the oscillation circuit, and means for generating a timing clock from a plurality of output signals of the frequency divider circuit;
It has a means for counting and storing the times of a plurality of time functions, a means for performing comparison and arithmetic processing, a means for controlling switch input from an external operating member, and a means for driving a motor,
When the time displayed on the pointer is changed by a switch input from the external operating member, the direction of rotation of the pointer is automatically determined by means for performing comparison and arithmetic processing from information of the means for counting and storing the time. A pointer type multi-functional electronic watch.