JPS5923279A - Needle display type alarm electronic clock - Google Patents

Abstract

PURPOSE:To correct exactly a delay of a regular time due to setting of an alarm time, by storing a regular time feed correcting quantity in the course of setting an alarm time. CONSTITUTION:When a switch S2, etc. are closed, an AND circuit 15 is closed through an input controlling circuit 20, and an input to a driving circuit 17 of a regular time driving pulse from a waveform shaping circuit 14 is cut off. At the same time, a fast forward clock phi4 of the circuit 14 is impressed as a pulse P11 to the circuit 17 through an OR circuit 43 from an alarm time hand operating direction selecting circuit 22 which responds to the circuit 20, a needle pulse motor 18 is rotated in reverse at a high speed, an alarm time is set, and also the pulse P11 is impressed to an interval storing circuit 34 through an OR gate 31. On the other hand, a gate 23b of a feed correction timing circuit 23 is opened by an output phi5 of the circuit 14, a pulse phi1 is impressed to the circuit 34 through an OR circuit 33, a regular time feed correcting quantity is stored, and an exact feed correction of a regular time by setting of the alarm time is executed. When setting the alarm time by a forward rotation at a high speed, it is executed in the same way.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a timepiece, and more specifically to a hand display type alarm electronic clock 1 in which the same hand is used for both alarm time display and normal time display.

Conventionally, this type of pointer display type plum electronic watch has an S1 number M for dividing and storing mutual information between time information corresponding to the normal time and alarm time information corresponding to the alarm time in the hour 4 circuit. (It is equipped with a 2-memory circuit, and selectively extracts the time information or the alarm time information in the form of a number of pulses in relation to the current hand position based on the operation command of the external operation unit, and further based on this number of pulses. A pulse motor and a wheel train are driven, and a needle is used to selectively display the normal time and alarm time.

However, in the conventional structure described above, during the period when the alarm time is displayed with the hand (monitoring the alarm time) and the alarm time is being set, the divisor and memory involved in dividing the total time are Since the circuit is used to input alarm time information, there was a drawback that if the time information argument operation was interrupted and the hands were used to display the normal time, the clock would be delayed. .

An object of the present invention is to provide a pointer display type alarm electronic timepiece 1 that eliminates the above-mentioned drawbacks.

Hereinafter, the present invention will be described in detail based on the drawings.

FIG. 1 is a plan view of an embodiment showing an external operation mechanism section of an alarm wristwatch according to the present invention.

1 is the main plate, 2 is the crown that fits into the winding stem 6, and 4 is the winding stem 6
This is a mandarin duck whose tip 4a fits into the groove 6a of the mandarin duck, and which is planted in the base plate 1 and rotates around a 1t pin 1a. Pin 4c is planted in mandarin duck 4 i”L, back press work 15
is being pressed by. Crown 2 is therefore the first;
It can be selectively and stably set to three axial positions: second and third.

Reference numerals 5 and 6 are switch contact patterns made of copper foil provided on the circuit board, and are configured to be connected to the switch spring portion 4b of the 2'L only 4. , S4 switches are each configured.

7 is a switch wheel that fits loosely with the corner 3b of the winding stem 3 and is provided with a square hole so that rotation can be transmitted.The four teeth are contacts whose base is fixed to the circuit board. It is designed to press and flip springs 8 and 10. When the protrusions 8a and 10a provided on each of the contact springs 8 and 10 are pressed, a switch contact pattern made of the copper foil of the circuit board is formed. , 11, and these constitute the S, , S2 switches provided as correction switches, respectively.

When the word 2 is pulled out one step to the second position 2', the mandarin duck 4 rotates clockwise and contacts the switch spring portion 4b with the pattern 5, thereby turning on the switch. At this time, the middle switch 7 is in the same position as normal, but since the corner 31) is long, the rotation of the crown 2 is transmitted. If the spring 8 is brought into contact with the pattern 9 intermittently, the switch S is turned on intermittently, and the lead 2 is rotated in the opposite direction (clockwise), the switch S2 is turned on intermittently in the same way. make the state Pull out the crown two clicks and turn the crown to the third position.
When the position is reached, the wheel 4 rotates further, and the switch spring part 41) contacts the pattern 6, turning the S4 switch on. The switch wheel 7 normally remains at the same position as σ1.5. The rotation of crown 2 has the same effect as when the crown is pulled out to the first click.

FIG. 2 is a circuit diagram of a pointer display type alarm electronic timepiece showing an embodiment of the present invention.

12 is a crystal oscillation circuit, 16 is a counting circuit including a frequency dividing circuit, and from the middle of the counting circuit 12, 64fiz and 11
The signal 1z is output 7'. 14 is a counting circuit 16
This is a waveform shaping circuit which receives signals from each stage of the circuit and outputs signals D to G as shown in the time chart of FIG.

That is, in FIG. 3, signal 96+ is a signal with a 20-second cycle for normal time movement, signal 962 is a signal with a 05-second cycle for correcting the normal time delay, and signal G is a signal with a 05-second cycle for normal time delay correction. 05 with 1 set of 3 pulses for feed setting
This is a signal with a period of seconds, and the signal is for fast forward correction of the normal time, fast forward setting of the alarm time, transition of the hand from the normal time display state to the alarm time display state, and from the alarm time display state to the normal time display state. These signals are respectively used to transition to the signal 2.
is synchronized with the signal door, and during the period before and after the pulse of the signal door becomes II level, that is, about 3121 nSeC.
・It is a 20 second periodic signal that takes a level.

15 allows the passage of signal da during normal time hand movement.
I) Gate 1, 16 is an 01t gate which inputs a plurality of signals for forward rotation, which will be described later, and 17 is a drive signal generation circuit 1 for forward rotation.
7a and the reverse rotation drive signal generation circuit 17b, and further the forward rotation drive signal generation circuit 17a or the reverse rotation drive signal generation circuit 171.
), the drive circuit section 1 receives 11 signals from the chair.
A pulse motor 119 driven by the drive circuit 17 is a wheel train pointer device that transmits the torque output of the pulse motor 18. 19a and a pointer 191].

2014S is an input control circuit that receives each signal from the switch to the S switch as input, and the input control circuit 20 includes chattering prevention circuits 2a to 20d connected after JL to the S switch to the S switch, respectively, and the crown 2. A N I) gate 20e is used to detect the second position 2' of
, 2Of and negative going motion.
Reset type flip-flop 20g (hereinafter simply T1
．． A rotation direction detection circuit 20A which outputs a l-level signal P3 when the crown 2 is operated in the counterclockwise direction; When setting the time, for each number of times the SI switch (or S2 switch) is turned on by operating the =-Z 2 in the same direction of rotation, the state of the finger fly is changed from the stopped state to the continuous feed state as shown in Table 1. →Stop state→Fast forward state→
To select the stopped state, 0 +1 gate 20h, T
Type F F 2Q i, 20J and AND game) 20k,
201, and a pointer feed selection circuit 20B. - an OR gate 20m that detects that the lens 2 is in the second position or the third position, that is, IJ, and that the lens 2 is not in the first position, and outputs a signal P5 of the I] level; To bring the '1'' type FF 20i, 20j into a reset state at the moment when the crown 2 is pulled from the first position to the second position 2' or to the third position T' via the second position 2'. , the signal P5 from 20 m
Differential circuit 2On outputs a reset signal when the level changes from 7th level to 11th level, and the signal of S4 switch when IJ, - is pulled from 2nd position G to 3rd position 7'. In order to set a predetermined dead zone time (approximately 0.5 seconds in this embodiment) and output the signal P7 after the dead zone time, the signal P from the chuckling prevention circuit 20C is set.
, a differentiation circuit 20 that outputs a differential signal at the falling edge of 11.5.
0, a differentiating circuit 20p that outputs a differential signal P6 when the signal Pi rises, a differentiating circuit 200 that outputs a differential signal when the signal from the chattering prevention circuit 20d falls 1, and a set state with the differential signal of the differentiating circuit 200. S R, F F are reset by the differential signal of the differentiating circuit 201
201-1. AN+) Game) 2Or, 8N I) Inverter 20[, and a dead band circuit 20C consisting of a timer 203 and a chattering prevention circuit 2 (A N I gate which receives each signal from the gate 1d and outputs a signal P7) 20V; and an inverter 20X for supplying an inverted signal P to the input of the gate 15.

21 is a time hand movement direction selection circuit which selects the hand movement direction, that is, either the forward direction or the reverse direction when displaying the normal time;
, 211), 21C521e, 211.21j, and an inhibitor circuit 211 having a negative input terminal and a positive input terminal.
d, 21F, and OIt gates 21g, 211], and when the normal direction of hand movement is selected, the gate 2 is
11 outputs either the signal G or the signal D as the signal P8, and the A N I) gate 21
．． A signal P at L level is output from i, and a signal P8 at level I is output from i, and a signal P8 at level I is output from i.
l) The gate 21j is configured to output either the signal φ2 or the signal λt as a signal P.

22 has the same circuit configuration as the time hand movement direction selection circuit 21, and alarm 1157. 4R circuit text to select either the direction of hand movement when setting the time, that is, forward rotation direction or reverse direction υ)
A N L) Gate 22a, 221], 22C12
2e, 22i, 22j, inhibit circuits 22d, 22' having a negative input terminal and a positive input terminal, and an OR gate.
22g and 2211, and when the hand movement in the alarm time setting is selected in the forward direction, it is 8N.l) From the gate +-221, either the signal y3 or the signal door is the signal P, . A
N I) 17 level signal PI from game 1/22j
+ is output, and conversely, when the hand movement is selected in the reverse direction, the A N I) gate 22I outputs the L level signal Pto, and the A N I) gate 1-2.
The configuration is such that either the signal 933 or the signal z4 is output from the signal 2j as the signal P11, etc. 2t.

26 is a feed correction timing circuit consisting of an A N gate 23a and an inhibit circuit 23b having a negative input terminal and a positive input terminal;
When the level signal y5 arrives, the L level signal P for forcing both the signal Plov and pH of the alarm time hand movement direction selection circuit 22 to the I level.
12, and at the same time, during the period when the signal G takes the L level, the signal D is output as the signal P13. '
are doing.

24 is an A N I) gate, 25 is a ternary anop down count 25a, and a 720 anop down count 25 (
1 and transmission gates 25b and 25c (hereinafter simply referred to as 'I''G) connected between the counters 25a and 25 (1) and controlling passage of carry signals and carry down signals. 2160 up-down h counter, 26 is OIt gate, 27 is 2160 up-down counter for normal time, 1.1
・27a and 27I) constitute a ternary up-down force counter portion of the counter 27.

A coincidence detection circuit 28 outputs a coincidence signal P14 of 1 level when the contents of the counter 25 and the contents of the counter 27 match.

29 is an inverter, 60 is II from the coincidence detection circuit 28
A sound generator that emits sound based on the level matching signal "+4," 61 is OIt game 1-312, Exclusive or game) 31b (described as ItoEX-OIt gate), A
This is a preset control circuit consisting of a ND game) 31C151d and a filter 1e.
When the rotation operation is performed in the state of the second position 2° after about 05 seconds after the pull operation from 100° to the 2nd position 2°, that is, when the normal time adjustment operation is performed, the result I” I”l of Anop Down Count 27 for normal time
When the condition is that the ternary power counter part of 7a, 27I) becomes the counting memory content of [Ll, L] or [L, H:], F
There is a circuit for presetting the contents of F27a and F27b in the ternary counter 25a of the alarm time amplifier down counter 25.

61 and 66 are O) (gates, 64 is composed of a 2160-decimal up-down counter, and 65 is an interval storage circuit for I).
detects that the content of the interval memory circuit 65 has become zero, and 1. a zero detection circuit that outputs a Lebel zero detection signal P15;
66 is an inverter, 67 is an A N +) gate, 68 is an inverter, 69 is a delay circuit 39a, and the delay circuit 39a is
A timer control circuit comprising a differentiating circuit 39b that outputs a differential signal at the falling edge of the delayed signal from the differentiating circuit 39b, and a data type FF39c that uses the differential signal of the differentiating circuit 39b as a write clock signal and uses the signal P5 as a data input, 40 A N I) Gate 40a, 1 minute timer part 401]
and an inverter 40C, a timer 41
is a 0■ (gate), 42 is an A, NI) gate, and 46 is an O11 gate.

Next, the operation based on the above configuration will be explained.

When the crown is in the normal position of 2nd or 1st position, the OI
Signal 9 from t gate 2 [1m and inverter 2017C
/;o takes II level A N i) Gate 15 is set to O
20 from the waveform shaping circuit 14 because it is in the N state.
Second period signal, AN1 gate 15, OII gate 1.
Normal rotation drive signal generation circuit 17 of drive circuit 17 via 16
Enter "a". An IF rotation drive signal is generated from the forward rotation 1 drive signal generation circuit 17a in accordance with the rotation of the drive circuit section 1.
- Rotate the pulse motor 18 forward by 1 pitch every 20 seconds via 7C. This rotation is decelerated by the gear train υ
The L-finger hook moves in the forward direction (time-open direction).

Also, at this time, the 20 second periodic signal outputted to the gate 15 is inputted to the time up/down counter 27 via the gate 26, which performs an up counting operation, and The positional relationship and the contents of the time up/down counter 27 operate while maintaining a periodic state.

After a predetermined period of time from this state, when the content of the Moekigawa amplifier down counter 27 matches the content stored in advance in the alarm time up/down counter 25, the coincidence detection circuit 28 turns off. ” level matching signal P
14 is output, the sound generator 60 also emits a buzzer sound.

Next, when the IJ, - 2 is pulled out from the normal time display state using the hands as described above to the second position 2' and placed in the alarm time display state (alarm time monitor), the S, switch is a closed circuit state, the signal P4 of the chattering prevention circuit 20C is at lI level, OI (, gate 'l
Qrn signal P5 is I-1 level, inverter 20X
signal P. is L level, A N I) gate 15 is OF
F state (passage prohibited state of signal V1), 1” -F F
2 Q i, 20 cutting set state, interval memory circuit 64
The timer part 40b is also reset.

Moreover, the fast forward signal y4 from the waveform shaping circuit 14 is A N
This is input to the counter 25 via the D gate 24 to start the n-down divisor operation.

At this time, the contents of the time counter 25 [: i'
], the content of the alarm time counter 27 is [A], and the inner world of the interval memory circuit 64 is the position of the zero finger button is [1], then the alarm time counter 25 changes from the content [A] to the content ('I ) at the same time as A
N I) The fast forward signal from Game 1/24 is OI (
Through the gate 61, the interval memory circuit 64 stores the contents from zero to [/
1-71'').

Furthermore, the σ door 11 sending signal z4 from the A I'J I) gate 24 drives the pulse motor 18 in fast forward forward rotation via the OIT gate 1-16 and the drive circuit 17. Therefore, the pointer will move rapidly in the positive direction. Eventually,
The contents of the alarm time counter 25 are the same as the time counter 2.
The content of 7 is CT until it is equal to
Then, the coincidence detection circuit 28 outputs the I-rubel coincidence detection signal P14, and the IL sound generator 60 emits a buzzer sound, indicating to the AT user that the finger button is currently indicating the alarm time. At the same time that the completion state is announced, the coincidence detection signal "+4" is passed through the inverter 29 as a signal P1 of the level I, which turns the A N +) gate 24 into the OFF state (passage of the signal V4 is prohibited).

As a result, the interval storage circuit 64 stores a1 number of contents of [Contents of alarm time counter 25 [A])l:Contents of time counter 27 Ci''], and the pointer is stored as l' + (A- T) = Stopped with the alarm time of A specified. This state is the alarm time monitoring state.

Next, if you operate the 81 or S2 switch in this state,
The alarm time is set.

That is, when the S1 switch is turned off, the signal P of the rotational direction detection circuit 20A becomes the II level, and as shown in Table 1, the S
, a signal P1 or P2 of 1 level is selectively outputted from the finger fly selection circuit 2Q13 depending on the position of the switch depending on the number of times the switch is operated.

For example, if the signal p2=ll level is selected by operating the S1 switch, the signal door of the waveform shaping circuit 14 will be A N
The signal P1o is output via the D gates 22b and 2-2e, the OR gate 22g, and the AND gate 22. Accordingly, the signal P,. is 01 (gate 1.16, the pulse motor 18 drives the position of the pointer to [Δ10] in fast forward forward rotation 5 through the drive circuit 17. Meanwhile, the signal Pto is driven through the OIt gate 1-31. Interval memory circuit 6
4 from content [A-'1゛] to content (A-T+C':l(
In addition, in C, several operations are performed to adjust the alarm time (N), and the alarm time is set to fast forward forward rotation.
do.

Conversely, if the signal p, = l - level is selected by operating the S1 switch σ), the signal da from the waveform shaping circuit 14 becomes A.
N l) Gate 223.22C1OR gate 1-22g
#ll'A N +) signal P, via gate 221.

Close and output. Therefore, the signal P,. The pulse motor 18 moves the position of the indicator 1 to [A l-C] through the OfL gate 16 and the drive circuit 17 in slow forward forward rotation and I drive. Meanwhile, the signal I'll is passed through the 01'L gate 61 to the interval memory circuit 64 to change the content [A-T] to the content (A-1'+C).
fL, the alarm time delay forward/forward rotation setting is executed.

Furthermore, if you want to move the pointer position by a set amount C-C'l contrary to the pointer position at the current alarm time [A], turn on the S2 switch and the rotation direction detection circuit 2
0A signal 1)3 is at L level), and as shown in Table 1, H level signal P1 or P2 is sent from pointer feed selection circuit 20B depending on the position according to the number of times the switch is operated.
is selectively output.

For example, if the S2 switch selects the signal P2=l (level), the signal z4 from the waveform shaping circuit 14, A N +
) Gate 22b, gate 22f, OIt gate 2211
and is outputted as a signal PI+ via an AND gate 22j. Therefore, the signal PII is transmitted through the OR gate 46 and the drive circuit 17 to the pulse motor 18 to change the position of the pointer.
Fast forward and reverse drive until Δ-(). During that time, the signal Pl
+ is 0 +1 gate A down counting operation is performed to change the interval memory circuit 34 from the content [/l-'I":l to the content cA T C'l via the gate controller 3, and fast forward and reverse setting of the 1t alarm time is executed. be done.

Further, this reverse setting of slow forwarding and reversing of the alarm time is performed by selecting the signal P1 to the H level with the S2 switch. In this case, the signal y2 from the waveform shaping circuit 14
is the signal P via AND gate 1-22a, gelt 22d, OR gate 2'lh, and AND gate 22j.
, and will be output.

There are four ways to set the alarm time: fast forward forward setting, slow forward normal rotation setting, fast forward reverse setting, and slow forward reverse setting. The setting operation is selectively performed depending on the direction of movement and amount of movement (set amount).

(-Also, while the alarm time is being set, the waveform shaping circuit 14 generates a 20-second assistance signal.

When the signals P and 2 of the feed correction timing circuit 26 are outputted, the AND gates 221.22jK output the signals P and 2 of the feed correction timing circuit 26 manually. and signal P+1 is signal da.

M 1fJl (31,,
The number of pulses is thinned out by 2m5ec).

As a result, the continuous layering of the pointer is interrupted for the above-mentioned period, and the operation of the interval storage circuit 640 is also interrupted;
0 second periodic signal (1 is the output signal P13 of gate t・23b
As a result, the interval storage circuit 64 is reliably activated via the OR gate 66, and the feed correction amount of the 20 second cycle signal DA1 during the setting of the alarm time is relatively stored.

For example, in this state, the contents of the time counter 27 are [1'], the contents of the alarm time counter 25 are [1゛], and the contents of the interval memory circuit 64 are [A - T + C-1].
) , :], let the contents of the fingers be CA 10C:]. Next, when a push operation is performed to set IJ and -2 to the first position, the signal from the waveform shaping circuit 14 is A N f) Gate 6
7 and Ol (counting down the interval memory circuit 34 from the content [A-T 0C-D] toward zero through the gate filter 6, and ANI) the signal LA output from the gate 67. , when the alarm time counter 25 is counted up from the state of content [1゛], K is set at the same time.
The signal 〆4 from the A N +) gate 67 rapidly drives the pointer in reverse rotation via the gate 46, the drive circuit 17, and the pulse motor 18.

As a result, when the content of the interval memory circuit 4 becomes zero, the AND gate 37 is turned off by the zero detection circuit 65 and the inverter 66, returning to the original normal operation f-1 state, and the content of the time counter 27 is [T] The content of the alarm time counter 25 is [A + C-D), and the state of the pointer is [
T+D: ] and the content corrected by the feed correction scale.

At this time, the content [T] of the time counter 27 and the content of the hand (CT + D) do not necessarily have to match, and the time counter 27 and the hand do not necessarily match when the hand is in the normal time display state and when the time is adjusted normally. It is sufficient if they operate synchronously.

Also, when the crown 2 is pushed from the second position 2 or the third position γ to the first position, the signal P from the OR gate 20m is passed through the inverter 8 to the AND gate 6.
7 is turned off.

Next, the operation of pulling out the crown 2 from the first position 16 to the third position 2' to adjust the normal time will be described. First, when the crown 2 is pulled out from the first position to the intermediate second position 2' or third position 2'', the TFFs 20i and 20J enter the reset state due to the operation of the gate 20m and the differential circuit 2On.

Also, the words 2 move from the second position 2' to the third position 7 t, c
Even if the pull operation is performed, the signal 1)7 from the dead band circuit 20C is at the L level within a period of approximately 0.5 seconds from the moment of the pull operation, and the AND game) 21i.

Since both 21J and 21J are in the off state, the time adjustment operation is prohibited even if the watch 21 is rotated and the S switch or S2 switch is operated during this period. This usually occurs when the user mistakenly tries to set the alarm time or monitor the alarm time, and ends up twisting the lens 2 by an extra step and pulling it to the third position 2''. This is to prevent the time from being erroneously adjusted.

Therefore, to correct the normal time, after moving from the second position 2' to the third position 2'', wait about 0.5 seconds and press IJ.

You will be rotating 2.

That is, according to the switching of the S1 switch or the S2 switch, the signal P1 or the signal P2 is selected as shown in Table 1, and the signal P3 is set to the II level (during fi rotation) or the L level (right when rotating). Due to the same operation of the time hand movement direction selection circuit 21, which has the same circuit configuration as explained in the above-mentioned alarm time setting, the signal P8 or P is output from the OR gate 16 or 4.
3, the driving circuit 17 and the pulse motor 18 are driven to perform fast forwarding or slow forwarding of the IE rotation or reverse rotation of the finger blade. At this time, the time counter 27 also receives the signal P or P.
, is input, and J1 operations are performed to maintain synchronization with the pointer.

At this time, the FF 27 a, 271), which constitutes the ternary annopp-down unit of the time counter 27,
1, [.] or [, and when l() is taken, the alarm time counter 2 is set by the preset control circuit 61.
The values of the FFs 27a and 27b are preset in the ternary power counter section 25a of No. 5. Moreover, this Brisee is TG when it comes to throat.
25b and 25c prohibit the digit-[-ge signal or the digit F-ge signal.

The reason for this preset operation is that the hands are driven in 1-minute movement units (3 pulses are driven as one set) when setting the alarm time and transitioning to the alarm time monitoring state, and also when the time is normally displayed or adjusted. Because the clock is driven in 20-second movement units, the alarm time monitor is activated at the same time.
This is to correct the fact that minute amounts of pointer instruction such as 20 seconds and 40 seconds during normal time display are left behind as the amount of error in pointer instruction at the time of alarm time monitoring.

As described above, according to the present invention, the normal time advance correction amount during the operation time required for setting the alarm time is stored in a circuit, and the pointer changes from the alarm time display state to the normal time display state. When this occurs, the feed correction amount is extracted and the feed correction is performed, so even if the alarm time setting operation is performed, the normal time will not be delayed, and when the alarm time is set, the normal time increment pulse signal (20 second periodic signal) is used. Therefore, the alarm time display content on the hand does not change, and the alarm time can be set simply.

[Brief explanation of the drawing]

FIG. 1 is a plan view of an embodiment showing the external operation (parts) for opening at the time of an alarm according to the present invention; FIG. Figure 3 is a waveform ÷ time chart of the main voltages in the circuit section in Figure 2. 2... Reese, 12... Crystal oscillation circuit, 16... Divisor circuit, 14...・Waveform shaping circuit, 15-... A N D gate, 17. Drive circuit, 18... Pulse motor-1 19 Wheel train pointer device, 19a... Hour hand, 191)
...Minute, 20...Manpower-controlled Haj circuit, 2
OA ・Rotation direction detection circuit, 2013 ・・Finger feed selection circuit, 20 (E ・・・Dead band circuit, 21 ・・Time hand movement direction selection circuit, 22 ・・・Alarm time layer direction selection circuit , 26...
- Feed supplement timing circuit, 25... - Alarm time counter, 27...
Time counter, 28... Coincidence detection circuit, 64... Interval storage circuit, S, ~S4... Switch. Figure 1 o:)ld)l'') (54) (53)

Claims (1)

[Claims] An electronic timepiece comprising an oscillation circuit, a counting circuit, a waveform shaping circuit, a drive circuit, a motor, a wheel train, a pointer, etc., and configured to selectively display either normal time or alarm time with the pointer, A storage means for counting and storing the relative value between the normal time and the alarm time, and a feed correction timing circuit for relatively storing in the storage means the feed correction amount for the normal time that does not operate in synchronization with the hand when setting the alarm time. An electronic alarm clock with a pointer display, characterized by: