CN1987687A - Radio-controlled timepiece and method of adjusting the time kept by a radio-controlled timepiece - Google Patents
Radio-controlled timepiece and method of adjusting the time kept by a radio-controlled timepiece Download PDFInfo
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- CN1987687A CN1987687A CN 200610169212 CN200610169212A CN1987687A CN 1987687 A CN1987687 A CN 1987687A CN 200610169212 CN200610169212 CN 200610169212 CN 200610169212 A CN200610169212 A CN 200610169212A CN 1987687 A CN1987687 A CN 1987687A
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Abstract
A radio-controlled timepiece can adjust the time with a short reception process while also reducing the likelihood of incorrect adjustment. The radio-controlled timepiece has a reception control means 31, time information updating means 32, time adjustment storage means 33, and time display means. The reception control means 31 has a simple time adjustment means 330 that is driven within a predetermined time of the last successful signal reception, and a normal time adjustment means 320 that is driven when this predetermined time has passed. The simple time adjustment means 330 has a pulse timing detection unit 331, a offset calculation unit 332, a offset evaluation unit 333, and a seconds information adjustment unit 334. The pulse timing detection unit 331 detects the reference timing, which is the timing of the rising edge or falling edge of rectangular wave pulses in the received time code. The offset calculation unit 332 calculates the difference between this reference timing and the timing of the seconds unit in the internally kept time. The offset evaluation unit 333 determines if this offset is within a tolerance range. The seconds information adjustment unit 334 adjusts the seconds unit of the internal time based on the offset if the offset is within the tolerance range.
Description
Technical field
The present invention relates to electric wave correcting timepiece and time adjustment method thereof.
Background technology
In recent years, begun to utilize electric wave correcting timepiece, this electric wave correcting timepiece receives the electric wave (long wave standard wave) that comprises time information, comes automatically corrected time and demonstration with this time information.
Standard wave for example is output at interval by 1 second, and, determine time information according to 3 kinds of pulsewidths, time information of setting in 1 minute.
And, in order to obtain time information by standard wave, usually, a few minutes receive processing continuously, repeatedly obtain the time information of full code (full code), must contrast each other, estimate whether received correct time information each time information, spended time on the time correction consumes electric power and also becomes big.
For this reason, following electric wave correcting timepiece has been proposed, the switching point of the level of the pulse of its examination criteria electric wave per second and inner institute's timing constantly second information error, proofread and correct internal clocking second information so that the mean value of this error is 0, the time information that does not receive full code is with regard to the recoverable moment (with reference to patent documentation 1).
Patent documentation 1 TOHKEMY 2005-315809 communique
But the problem below in patent documentation 1, existing: because only with the switching point of the impulse level of standard wave and inner constantly second information the margin of error proofread and correct, so can not to differentiate the inside moment be slowly with respect to moment of reality or soon.
Therefore, probably can there be following problem:, can not correctly proofread and correct constantly with respect to reality in second of having proofreaied and correct the inner moment with described margin of error during information.
Summary of the invention
The objective of the invention is to, providing a kind of can carry out time correction by the reception of short time, and can reduce electric wave correcting timepiece and its time adjustment method of the possibility of mistake correction.
Electric wave correcting timepiece of the present invention is characterised in that this electric wave correcting timepiece comprises: receiving element, and it is used to receive the time information that utilizes after rect.p. is modulated; Receive control module, it controls the driving of described receiving element based on predefined timetable (schedule); The time information updating block, it upgrades inner time information according to the time information that receives by described receiving element; Time correction amount storage unit, it is stored in the time correction amount of described time information updating block when proofreading and correct inner time information; And moment display unit, it shows constantly based on described inner time information, described rect.p. rises or descends with the interval in 1 second, and, till being timed to signal after the described rising and descending from benchmark as the timing of this rising or decline or pulsewidth less than 1 second of the signal after descend till rising at interval and be multiple length, described reception control module comprises: simple and easy time correction unit was driven when driving receiving element in its specified time limit when receiving successfully from last time; Normal time correction unit, its when receiving successfully from last time through when driving receiving element, being driven after specified time limit, described normal time correction unit constitutes: with the full code time necessary of described receiving element driving for the information time of reception, when receiving successfully, proofread and correct inner time information by described time information updating block, described simple and easy time correction unit comprises: the pulse timing test section, shorter time when it receives the described full code of described receiving element drive ratio, detect time information rect.p. described benchmark regularly; The departure calculating part, it calculates by the departure between the timing of the second of the described benchmark timing of the detected rect.p. of described pulse timing test section and described inner time information; The departure detection unit, it judges that whether departure that described departure calculating part calculates is being in the allowed band set of benchmark with the time correction amount that is stored in the last time in the described time correction amount storage unit; And second information correction portion, when described departure detection unit is judged to be departure in allowed band the time, this second information correction portion based on described departure, proofread and correct information second of inner time information.
According to this present invention,,, can reduce consuming electric power so the available short time is carried out the reception processing that time correction is used because except the normal time correction unit that the full code of carrying out standard wave receives, also be provided with simple and easy time correction unit.
Promptly, because simple and easy time correction unit based on 1 second of the rect.p. of standard wave benchmark at interval regularly and inner constantly the departure of second between regularly, proofread and correct inner second constantly regularly, so can be by obtaining the time of the rect.p. about 10～30, i.e. reception about 10～30 seconds is handled and is carried out time adjustment.Therefore, receive the time information of full code about 5～10 minutes with common needs, the situation of carrying out time correction is compared, time correction is carried out in the reception of available short time, can reduce consumption electric power significantly.
And, because the departure detection unit is that benchmark has been set allowed band with the time correction amount that is stored in the time correction amount storage unit, so can be with better accuracy detection departure.
That is,, can not judge that inner has been slowly or fast constantly in standard timing and inner constantly second regularly under the situation devious at interval in 1 second of the rect.p. of standard wave.But, among the present invention, the starting point is, in electric wave correcting timepiece, inner deviation constantly is created in equidirectional usually, is benchmark setting allowed band by the time correction amount when receiving last time successfully, the generation direction of judging departure is the direction that accelerates or slack-off direction, so, can correctly judge inner departure constantly, correct correction is constantly inner.
Have again, as described rect.p., be with 1 second at interval (1 second cycle) signal level rise to the rect.p. of High from Low, or with 1 second at interval (1 second cycle) signal level drop to the rect.p. of Low any one from High, for example under the situation of acceptance criteria electric wave, decide by the kind of this standard wave and the structure of receiving circuit as time information.Therefore, can be which kind of rect.p. by the signal that receives, decide with the timing of rising at interval for 1 second as benchmark regularly or as benchmark regularly with the timing that descends at interval for 1 second.In addition, for the pulsewidth of rect.p., if standard wave in order to represent " 1,0, P " 3 types, selects to use the pulsewidth of 3 kinds of length.
Here, preferred described simple and easy time correction unit is judged to be departure allowed band outside the time at described departure detection unit, drives described normal time correction unit, makes and carries out the full code reception at time information.
In the departure detection unit, be judged to be departure outside allowed band the time, but this does not carry out time correction yet, carry out time correction when handling and receive in next time.But, in inside constantly deviation big, when making departure become beyond the allowed band, probably electric wave correcting timepiece can receive the moment that always continue misdirection when handling up to next time.
Relative therewith, as the present invention, in the time of outside departure is allowed band, receives, carry out time correction if carry out full code at time information, then can accurately be corrected to the correct moment.
In addition, described time correction amount storage unit is carrying out setting ahead under the situation of correction to inner time information, use on the occasion of storing described time correction amount, carrying out setting back under the situation of correction to inner time information, store described time correction amount with negative value, described departure computing unit preferably described time correction amount be on the occasion of situation under, the inside time information that takes place to next time regularly (rising or descend regularly) from the benchmark of described rect.p. second timing till time as on the occasion of departure, in described time correction amount is under the situation of negative value, from the departure of the benchmark that is timed to the described rect.p. that takes place next time of second of the described inner time information time till regularly as negative value.
In the present invention, the departure computing unit was judged in last time and innerly during time correction is slack-off constantly or accelerates, be under the slack-off situation, calculating from the time till regularly second that the benchmark of rect.p. is timed to the inside time information that takes place next time as departure, be under the situation about accelerating, the time of the benchmark that is timed to next rect.p. second that calculates time information internally till regularly is as departure, therefore, can correctly hold departure, can carry out second with very high precision and proofread and correct.
And, described reception control module is set the timetable that drives receiving element with 1 day interval, the time correction amount that described departure detection unit will be stored in the described time correction amount storage unit is scaled per 1 day time correction amount, specialized range is set described allowed band according to being the center with this per 1 day time correction amount, and preferred described specialized range is set deficiency ± 0.5 second for.
Under the situation of the timetable that receives with 1 day interval, the departure of being calculated by described departure computing unit also becomes per 1 day departure, therefore, if the time correction amount also be scaled with 1 day be unit, then easily and departure compare.In addition,, can not judge then that deviation has constantly accelerated or slack-off, and because set less than 0.5 second in the present invention, accelerate or slack-off so can judge if in described specialized range, also comprised ± 0.5 second.
Have again, described specialized range as long as not enough ± 0.5 second just passable, its concrete value can suitably be set.For example, if specialized range is established widely,, can realize that also the time correction of simple and easy time correction unit is handled, so the effect that current sinking reduces is remarkable even then departure is big.On the other hand, if specialized range is established narrowly, then the possibility of by mistake proofreading and correct reduces, but for example, under the situation that big in the temperature variation of comparing with proxima luce (prox. luc), inner deviation has constantly increased, simple and easy time correction is handled and is not implemented, reduce so can not realize current sinking.Therefore, described specialized range can consider to be set at suitable value after these situations.
In addition, preferred described pulse timing test section carries out the detection of stipulated number to the rising or the decline of rect.p., calculates its average benchmark timing of regularly setting rect.p..
If carry out this second synchronous processing, then can be with the benchmark timing of good accuracy detection pulse at interval in 1 second.
And preferred described pulse timing test section calculates described average timing to the pulsewidth of the time information that receives except the rising of the rect.p. of setting or time drop data when calculating described average timing.
Because the pulsewidth of time information is predetermined to several, so if the narrowest width dimensions that peak pulse duration is set is also little, then can be judged as this pulse is noise.Therefore, if remove the rising of the pulse that becomes noise or benchmark that the decline timing data is calculated rect.p. regularly, then can obtain the higher timing data of precision.
The time adjustment method of electric wave correcting timepiece of the present invention is the time adjustment method that electric wave correcting timepiece is used, and this electric wave correcting timepiece has: receiving element, and it is used to receive the time information that utilizes after rect.p. is modulated; Receive control module, it controls the driving of described receiving element based on predefined timetable; The time information updating block, it upgrades inner time information according to the time information that receives by described receiving element; Time correction amount storage unit, it is stored in the time correction amount of described time information updating block when proofreading and correct inner time information; And moment display unit, it shows constantly based on described inner time information, described rect.p. rises or descends with the interval in 1 second, and, till being timed to signal after the described rising and descending from benchmark as the timing of this rising or decline, or pulsewidth less than 1 second of the signal after descend till rising at interval and be multiple length, described time adjustment method comprises: simple and easy time correction step, when driving receiving element, implement this step in the specified time limit when receiving successfully from last time; With normal time correction step, when receiving successfully from last time through when driving receiving element, implementing this step after specified time limit, described normal time correction step drives the full code time necessary of described receiving element for the information time of reception, when receiving successfully, proofread and correct inner time information by described time information updating block, described simple and easy time correction step comprises: pulse timing detects step, shorter time when the described full code of described receiving element drive ratio is received, detect time information rect.p. described benchmark regularly; The departure calculation procedure, calculate detect the detected rect.p. of step by described pulse timing described benchmark regularly and described inner time information second timing between departure; The departure determination step judges that whether the departure that calculates by described departure calculation procedure is being in the allowed band set of benchmark with the time correction amount that is stored in the last time in the described time correction amount storage unit; And second information correction step, when in described departure determination step, being judged to be departure in allowed band the time,, proofread and correct information second of inner time information based on described departure.
According to this present invention, identical with described electric wave correcting timepiece, except the normal time correction step that the full code of carrying out standard wave receives, because be provided with simple and easy time correction step, so the available short time is carried out the reception processing that time correction is used, can reduce consuming electric power.
And, in the departure determination step, because be that benchmark has been set allowed band, so can correctly proofread and correct constantly inner with good accuracy detection departure with the time correction amount that is stored in the time correction amount storage unit.
In the present invention, the electric wave information of preferred described electric wave receiving element reception is the standard wave that comprises time information and calendar information.
Standard wave is the electric wave of the long-wave band exported respectively in states such as Japan, Germany, the U.S., Britain, though timing code is in various countries' difference, but,, only just can easily detect by switching tuning capacitor so utilize an antenna because frequency is identical or more approaching.Therefore, only, just can be formed in all spendable electric wave correcting timepiece in various countries at an easy rate by being provided for program of understanding tuning capacitor and each timing code etc.
As described above such, according to electric wave correcting timepiece of the present invention and its time adjustment method, time correction is carried out in the reception of available short time, and can improve correction accuracy.
Description of drawings
Fig. 1 is the block scheme of structure of the electric wave correcting timepiece of expression the 1st embodiment of the present invention.
Fig. 2 is the block scheme of structure of the receiving circuit of expression the 1st embodiment.
Fig. 3 is the block scheme of the driving control unit of expression the 1st embodiment.
Fig. 4 is the figure of the timing code form of expression long wave standard wave (JJY).
Fig. 5 is the figure of kind of the signal of the described timing code form of expression.
Fig. 6 is the figure of kind of signal of the timing code form of expression long wave standard wave (WWVB).
Fig. 7 is the process flow diagram of the control of expression the 1st embodiment.
Fig. 8 is the process flow diagram that the reception of expression the 1st embodiment is handled.
Fig. 9 is the figure of the computing of explanation rising timing detection of the 1st embodiment and departure.
Figure 10 is the figure of example of the reception output signal of expression the 2nd embodiment.
Figure 11 is the process flow diagram that the reception of expression the 2nd embodiment is handled.
Figure 12 is the figure of an example of the rising timing detection method of explanation the 2nd embodiment.
Label declaration
1 electric wave correcting timepiece; 2 electric wave receiving elements; 3 driving control unit; 4 mechanical driving units; 6 counting units; 7 power supply units; 8 external operating units; 21 antennas; 23 receiving circuits; 24 data storage circuitry portions constantly; 31 receive control module; 32 time information updating blocks; 33 time correction amount storage unit; 35 control modules that take the needle; 310 time of reception table storage unit; 320 normal time correction unit; 330 simple and easy time correction unit; 331 pulse timing test sections; 332 departure calculating parts; 333 departure detection units; 334 seconds information correction portions.
Embodiment
Below, based on the description of drawings embodiments of the present invention.
(the 1st embodiment)
In Fig. 1, represented block scheme as the structure of the electric wave correcting timepiece 1 of the electronic equipment of the 1st embodiment of the present invention.
Electric wave correcting timepiece 1 of the present invention is the electronic equipment with structure identical with general electric wave correcting timepiece, and it possesses: electric wave receiving element 2, its reception comprise the electric wave information (external wireless information) of time information; Driving control unit 3; Mechanical driving unit 4, it drives pointer; Counting unit 6, it is to constantly counting; Power supply unit 7, it provides electric power; And external operating units 8 such as turning handle and button.
Electric wave receiving element 2 possesses: antenna 21; Tuned circuit portion 22, it is made of capacitor etc., is used to be tuned as the electric wave that is received by antenna 21; Receiving circuit portion 23, it handles the information that is received by antenna 21; And data storage circuitry portion 24 constantly, it judges/is stored in that receiving circuit portion 23 has carried out the moment data of handling.
The magnetic core forms as described below, for example, the amorphous metal paper tinsel (the amorphous metal paper tinsel that example: Co50wt% is above) of cobalt system is utilized mould to carry out punching press or is shaped by etching, with the adhering components after about 10～30 the shaping, stacked, thermal treatment such as anneal again makes magnetic properties stable.In addition,, be not limited to stacked amorphous metal paper tinsel, also can use ferrite, at this moment, can utilize mould etc. to form, heat-treat and make as the magnetic core.
Tuned circuit portion 22 constitutes and to comprise two capacitor 22A, 22B that are connected in parallel with antenna 21 as shown in Figure 2, and side's capacitor 22B is connected in antenna 21 by switch 22C.
And constitute: the frequency switch-over control signal by by driving control unit 3 outputs, be switched on or switched off described switch 22C, switch the frequency of the electric wave that receives by antenna 21.
When switching receive frequency,, come tuning capacitor 22A, the 22B of switching frequency switching part by switch 22C such as transistors based on signal (frequency switch-over control signal) from driving control unit 3.In the present embodiment, because switch two capacitor 22A, 22B, so two kinds of frequencies of optionally connected receipts.
Therefore, for example,, can constitute the long wave standard wave of the two kinds of frequencies of electric wave (JJY60kHz) that can switch the electric wave (JJY40kHz) that receives transmission frequency 40kHz and transmission frequency 60kHz in Japan.
Have again, if 3 capacitors are set, then changeable 3 kinds of frequencies.In addition, also can followingly constitute: by 3 capacitors, 2 switches being set, 3～4 kinds of frequencies of changeable reception.And, also can switch inductance midway by the tap (tap) of stretching out from aerial coil, thus the multiple frequency of optionally connected receipts.
Here, the standard electric wave frequency of various countries is 40 or 60kHz in Japan (JJY), is 77.5kHz in Germany (DCF77), and (MSF) is 60kHz in Britain, and (WWVB) is 60kHz in the U.S., is 68.5kHz in China (BPC).Therefore, if constitute can receive 40,60,68.5, these 4 kinds of frequencies of 77.5kHz, then can constitute the standard wave that can receive various countries, at all spendable electric wave correcting timepiece 1 of each country.
Receiving circuit portion 23 comprises as shown in Figure 2: amplifying circuit 231, and it amplifies the long wave standard wave signal that is received by antenna 21; Bandpass filter 232, it only selects the frequency content of hope from the long wave standard wave signal that is exaggerated; Demodulator circuit 233, it carries out demodulation with long wave standard wave signal smoothingization; AGC (Automatic Gain Control) circuit 234, it carries out the gain control of amplifying circuit 231, controls to make that the incoming level of long wave standard wave signal is constant; And decoding scheme 235, its long wave standard wave signal after to demodulation is deciphered and is exported.
By 23 receptions of receiving circuit portion and through the moment of signal Processing data, as shown in Figure 1, be output to data storage circuitry portion 24 constantly.
This receiving circuit portion 23 receives operation etc. by the pressure of predefined timetable and external operating unit, thereby based on power connection control signal, frequency switch-over control signal by driving control unit 3 outputs, comes the reception of the information zero hour.
The reception success or not is judged by data storage circuitry portion 24 constantly, and storage is judged to be and receives successful reception data.
The determination processing that receives data is based on the signal by 23 outputs of receiving circuit portion, and whether the data that receive are correct, the judgement that promptly receives successfully/fail.
As shown in Figure 1, to the pulse signal of driving control unit 3 inputs from pulse combiner circuit 15.15 pairs of basic pulses from benchmark oscillators 16 such as quartz vibrators of pulse combiner circuit carry out frequency division, generate time clock, in addition, produce pulsewidth and regularly different pulse signals by basic pulse.
Driving control unit 3 comprises as shown in Figure 3: receive control module 31, time information updating block 32, time correction amount storage unit 33, and the control module 35 that takes the needle.
Receiving control module 31 comprises: time of reception table storage unit 310, normal time correction unit 320, and simple and easy time correction unit 330.
Simple and easy time correction unit 330 comprises: pulse timing test section 331, departure calculating part 332, departure detection unit 333, and second information correction portion 334.
The time of reception table of time of reception table storage unit 310 storage electric wave correcting timepieces 1.Initial setting is set to 1 day interval and received at interval in promptly 24 hours.Have, the current sinking during reception is about 100 μ A again, compares with the situation of common only clock display driver, consumes to reach 100 times electric power.Therefore, the situation of following formation electric wave correcting timepiece 1 is arranged also especially: when the electric power reduction of power supply unit 7 etc., change receives and is spaced apart 2 with first-class, to realize power saving, at that time, as long as in time of reception table storage unit 310, store a plurality of timetables.
Normal time correction unit 320 is to carry out the unit that the general reception of the full code of acceptance criteria electric wave is handled.Normal time correction unit 320 is usually with receiving electric wave in about 4～5 minutes, repeatedly obtaining processing by the time information of full code (1 minute the data) formation of standard wave.
Simple and easy time correction unit 330 in specified time limit (being 24 hours the present embodiment), under the situation that becomes predetermined time of reception, moves when receiving successfully from last time.
Therefore, Day Settings is being become under the situation about receiving with 24 hours interval, if receive successfully at the predetermined time of reception of last time, then the predetermined time of reception (after 24 hours) in next time moves simple and easy time correction unit 330.On the other hand, under the predetermined time of reception in last time receives not case of successful, for example, in the judgement of moment data storage circuitry portion 24 reception data, be judged to be not under the case of successful, and when the reception tables of data of last time, carried out processing, do not carried out under the situation of reception of normal full code by simple and easy time correction unit 330, described normal time correction unit 320 moves.
The time (for example about 10～30 seconds) that pulse timing test section 331 is shorter with the full code time of reception of the normal time correction of described electric wave receiving element 2 drive ratios unit 320, detection is from the rising timing of the rect.p. of the time information of receiving circuit portion 23 outputs.In the present embodiment, the rect.p. of time information is set to signal level to rise to High from Low at interval 1 second, and therefore, pulse timing test section 331 also is configured to detect the rising timing (benchmark regularly) of rect.p..
Second information correction portion 334 is judged to be departure in allowed band the time in described departure detection unit 333, information second of proofreading and correct inner time information based on described departure.
Time information updating block 32 upgrades constantly inner based on the time information that receives.
Time correction amount when time correction amount storage unit 33 storage has been proofreaied and correct inner moment by normal time correction unit 320.
Take the needle control circuit 35 with export for 1 second 1 time, be used to drive drive pulse signal PS1 second of second hand, with output in 1 minute 1 time, the time-division drive pulse signal PS2 of minute hand when being used to drive, to each second driving circuit 41,42 outputs of time-division driving circuit, the driving of steering needle.Promptly, each driving circuit 41,42 drives the motor 411 second, the time-division motor 421 that are made of stepping motor that is driven from the pulse signal of each circuit 41,42, drives second hand, minute hand and the hour hands that are connected in each motor 411,421 thus.And, constitute the moment display unit that shows the moment by each pointer, motor 411,421, driving circuit 41,42, the control module 35 that takes the needle.Have again,, also can drive hour hands, minute hand, second hand with a motor as moment display unit.
Counting unit 6 constitutes the second of the counting circuit portion 61 and to the time-division counting circuit portion 62 of time-division counting that comprises second counting.
Second counting circuit portion 61 constitutes and comprises second location counter 611, second constantly counter 612 and consistent testing circuit 613.Second location counter 611 and second constantly a counter 612 all count 60 times, promptly, be under the situation of the signal of input 1Hz, to carry out the round-robin counter in 60 seconds.611 pairs of second location counters are by driving control unit 3 drive pulse signal (second drive pulse signal PS1) counting that driving circuit 41 provides to second.Promptly, by the drive pulse signal that drives second hand is counted, thereby count the position of the second hand that second hand is represented.
Second constantly counter 612 is usually to being counted by the reference pulse signal (time clock) of the 1Hz of driving control unit 3 outputs.In addition, having received by electric wave receiving element 2 under the moment data conditions, come counts corrected device value according to data second in these moment data.
Equally, counting circuit portion 62 constitutes and comprises time-division location counter 621, time-division counter 622 and consistent testing circuit 623 constantly the time-division.Time-division location counter 621 and time-division constantly counter 622 all when the signal imported during 24 hours, carry out the round-robin counter.621 pairs of drive pulse signals that provided to time-division driving circuit 42 by driving control unit 3 of time-division location counter (time-division drive pulse signal PS2) are counted, to hour hands, minute hand represent the time minute hand the position count.
Time-division constantly counter 622 usually to counting (says exactly, when 1Hz has been counted 60 times, be made as and count 1 time) by the pulse (hour hands pulse) of the 1Hz of driving control unit 3 outputs.In addition, received under the moment data conditions, come counts corrected device value according to the time divided data in these moment data at electric wave receiving element 2.
Each consistent testing circuit 613,623 detects the consistance of the count value of each location counter 611,621 and each moment counter 612,622, will represent whether consistent detection signal outputs to driving control unit 3.
When by the inconsistent signal of each consistent testing circuit 613,623 input, control module 35 each drive pulse signal PS1, the PS2 of output continuously that take the needle of driving control unit 3 is transfused to up to consistent signal.Therefore, when normally taking the needle, when by reference signal from the 1Hz of driving control unit 3, each constantly the Counter Value of counter 612,622 change, become with location counter 611,621 when inconsistent, export each drive pulse signal PS1, PS2, each pointer action, simultaneously, each location counter 611,621 becomes with counter 612,622 is consistent constantly, by moving repeatedly, control normally takes the needle.
In addition, when with the moment adjustment of data that receives each constantly during counter 612,622, export each drive pulse signal PS1, PS2 continuously, consistent up to the count value of each location counter 611,621 with the count value of each moment counter 612,622, pointer is set ahead, is corrected to the correct moment.
Power supply unit 7 constitutes to have: Blast Furnace Top Gas Recovery Turbine Unit (TRT) 71, and it is as the generator unit that is made of self wind generator or solar cell (solar generator) etc.; High power capacity secondary power supply 72, it carries out electric power storage to the electric power that is produced by Blast Furnace Top Gas Recovery Turbine Unit (TRT) 71.High power capacity secondary power supply 72 can utilize the secondary cell as lithium ion battery.Have again,, also can use one-shot batteries such as silver battery as power supply unit 7.
Have, the time information (timing code) of the standard wave that electric wave correcting timepiece 1 receives is to constitute according to the time information form (timing code form) that various countries stipulate again.
That is, in the timing code form of the standard wave (JJY) of as shown in Figure 4 Japan, sent a signal, and constituted as 1 record in per 1 second with 60 seconds.That is, 1 frame is 60 data.In addition, as data item, comprise the current time information of time and from when calendar informations such as the amounting to day of January 1 of the year before last, year (Gregorian calendar after 2), weeks.Every value is constituted by the numerical value of distributing to per second, judges ON, the OFF of this combination according to the kind of signal.
As shown in Figure 5, the kind that is sent out the signal that comes as long wave standard wave signal has 3 kinds, sends the signal of expression " 1 ", " 0 " or " P ".The kind of these signals is to judge according to the length of the Modulation and Amplitude Modulation time of each signal.The kind of Fig. 5 (a) expression signal be the signal waveform of " 1 ", and the kind that the situation that continued for 0.5 second at the rising amplitude from signal judges to signal is " 1 ".The kind of Fig. 5 (b) expression signal becomes the signal waveform of " 0 ", has continued at the rising amplitude from signal under the situation in 0.8 second, and being judged as is " 0 " signal.In addition, the kind of Fig. 5 (c) expression signal becomes the signal waveform of " P ", has continued at the rising amplitude from signal under the situation in 0.2 second, and being judged as is " P " signal.
Signal about expression " 1 " becomes " ON " state, the addition object when grading when becoming calculating with this value corresponding.In Fig. 4, the item expression that is designated as " N " on the timing code form of long wave standard wave signal has sent the state of the signal of expression " 1 ".
Under the situation that has sent " 1 " signal in addition, become " OFF " state, the addition object when grading when representing not to be to calculate with this value corresponding.
For example, when long wave standard wave signal during corresponding to 8 seconds of dividing is sent as under the situation of " 1,0,1,0,0,1,1,1 ", the branch of expression current time is that " 40+10+4+2+1=57 " divides.For the item that is designated as " P " on the timing code form of long wave standard wave signal is fixterm, is used to obtain the synchronous of long wave standard wave signal and timing code form." P " of the beginning of timing code i.e. two parts that " P " is continuous, corresponding to the rising that just divides (per minute 0 second), represent that be " 00 " second second, and the expression branch switches to next branch.
In passing, because the long wave standard wave is a benchmark with the caesium atomic clock,, can obtain error and be 100,000 years 1 second very high precision so receive the radio controlled timepiece that this long wave standard wave comes corrected time.
In addition, though not shown, the timing code form of various countries is different with other countries respectively, by the form (data) of the time information (timing code) that receives, can judge that this standard wave is the electric wave of which sending station, can judge the kind of electric wave.Therefore, though each standard wave frequency of western Japanese JJY, Britain MSF, U.S. WWVB all is 60kHz jointly, but because timing code form difference, so as long as according to the standard wave that receives which station, the setting of controlling the decoding scheme of deciphering to received signal 235 gets final product.
Fig. 5, Fig. 6 represent the signal of the reception output of receiving circuit portion 23.In addition, each pulse of JJY shown in Figure 5 is configured to, and regularly is benchmark with the rising of signal, and promptly so that signal is risen, and according to the kind of standard wave, it regularly is the situation of benchmark that the decline with signal is also arranged on the contrary.For example, as shown in Figure 6, the standard wave of the U.S. (WWVB) is because with each pulse decline at interval in 1 second, so can regularly be the benchmark timing with the decline of each pulse.
In addition, in fact, the received signal by receiving circuit portion 23 is input to driving control unit 3 according to the structure of receiving circuit portion 23, also is inverted output sometimes.In this case, the benchmark of each pulse of described JJY regularly becomes the timing that signal descends.
Therefore, pulse timing test section 331 is at each receiving station, set from the signal pulse of receiving circuit portion 23 inputs, signal level with 1 second interval variation benchmark regularly be pulse rising regularly or descend regularly, when having selected reception object station, as long as corresponding to this station, set the rising that detects pulse or the decline that detects pulse gets final product.
In a word, as long as pulse timing test section 331 set for by in the pulse that rise for 1 second at interval or thereby the decline signal level changes, the variation that can detect signal level at interval in described 1 second regularly gets final product.
Below, with reference to the action of the driving control unit 3 of the electric wave correcting timepiece 1 of this structure of flowchart text of Fig. 7.
Driving control unit 3 at first judges whether to have been operated by the user external operating units 8 such as turning handle or button and has carried out forcing to receive operation (step 1, below simply be " S " with step).
Do not force to receive under the situation of operation in S1, driving control unit 3 detects the time of reception (S2) that whether has reached regulation with reference to the time of reception table that is set in advance in time of reception table storage unit 310.
Carried out forcing receiving at S1 under the situation of operation or detect when having reached normal time of reception at S2, driving control unit 3 begins to receive handles (S3).In addition, after reception treatment S 3 finishes, perhaps because be not time of reception, be judged to be at S2 under the situation of "No", (S4) normally takes the needle.Like this, the described S1～S4 of driving control unit 3 repeated treatments.
Then, the action of expression reception treatment S 3 in the process flow diagram of Fig. 8.
When beginning to receive processing, driving control unit 3 receives start up process (S10).Be performed in case receive start up process S10, then at first, take the needle control module 35 control second driving circuits 41, time-division driving circuit 42 stop the driving of each motor 411,421.
And driving control unit 3 sends signal to tuned circuit portion 22 and receiving circuit portion 23, makes the receiving circuit action, carries out the selection of receiving station and handles (S11).Specifically, according to selected receiving station, carry out the switching of tuned frequency in tuned circuit portion 22, the setting of carrying out decoding scheme 235 is switched.
Having, motor is stopped, is to be entered receiving antenna and brought bad influence to reception by the magnetic noise that motor winding produces in order to prevent.
When in addition, receiving control module 31 and judge whether to receive successfully from last time 24 hours with interior (S12).Usually, in time of reception table storage unit 310, set the timetable that 2 grades are determined in morning every day time receives.
In the present embodiment, begin to receive under the situation of processing at 2 in morning every day, successfully need about 5～10 minutes to the reception of the time information of full code, therefore receiving successfully, the moment is about 2: 5 minutes 1 the morning.Therefore, under receiving case of successful the previous day, less than is 24 hours when receiving successfully from last time, is judged as "Yes" in S12.
On the other hand, when when take defeat the previous day or as described later not carrying out the reception of full code like that, when received successfully last time, passed through more than 24 hours, be judged as "No" at S12.
If be judged to be "Yes" in S12, pulse timing test section 331 actions of then simple and easy time correction unit 330 detect the rising timing (S13) by the rect.p. (time information) of receiving circuit portion 23 outputs.
The rising of each rect.p. regularly is interval in 1 second, and under the deterioration of reception situation, the situation of SN than reduction, might produce deviation in the rising regularly of each rect.p..Therefore, the pulse timing test section 331 of present embodiment when detecting the rising timing (S13), is obtained the mean value (S14) of detected value shown in Fig. 9 (A).And, judge that the timing of whether having finished predefined number of times (n time) detects (S15), if do not finish, (S13) handled in the regularly detection of then rising repeatedly and mean value calculation is handled (S14).
On the other hand, if be judged to be "Yes" at S15, then departure calculating part 332 compares rising timing and the timing of the positive second (per second) in the inner moment that pulse timing test section 331 is obtained, calculation deviation amount (S16).
At this moment, departure calculating part 332 is according to the time correction amount calculation deviation amount that is stored in the last time in the time correction amount storage unit 33.
That is, be under+0.6 second the situation in the time correction amount of last time, just inside is set ahead constantly under 0.6 the situation, then when this receives, inner also constantly slow constantly possibility height than the benchmark of standard wave.Therefore, departure calculating part 332 is shown in Fig. 9 (C1), and the inside second constantly of the mistiming A till regularly that the rising from rect.p. is timed to thereafter is made as departure.
On the other hand, be under-0.3 second the situation in the time correction amount of last time, just under the situation of setting inside back 0.3 second constantly, the possibility height that the inside when this receives is also constantly fast than the benchmark of standard wave constantly.Therefore, the mistiming B till inside timing second constantly before departure calculating part 332 is timed to the rising from rect.p. is made as departure.
Have, inner positive second (per second) constantly also can utilize the pulse signal by counting circuit portion 61 consistent testing circuit 613 per seconds output second, also can utilize the reference signal by the output of pulse combiner circuit 15 per seconds again.
Then, departure detection unit 333 judges that the departure calculated is whether in predefined allowed band (S17).
Here, allowed band is based on the time correction amount that is stored in the last time in the time correction amount storage unit 33 and is set.
For example, the time correction amount in last time is+0.6 second situation under, just under the situation that inside is set ahead 0.6 second constantly, to this+scope that was provided with ± 0.1 second in 0.6 second sets allowed band.Therefore, at this moment, allowed band becomes+more than 0.5 second and+below 0.7 second.
In addition, be under-0.3 second the situation in the time correction amount of last time, just under the situation that inside is set back 0.3 second constantly, allowed band becomes more than-0.4 second and below-0.2 second.
Have, set scope width under the situation of allowed band and be not limited to described ± 0.1 second, maximum can be defined as deficiency ± 0.5 second.That is, for the inside precision constantly of clock, the influence of the temperature characterisitic of benchmark oscillator 16 (quartz) is very big.That is to say the winter that summer that temperature is high and temperature are low, the possibility height that the precision of clock also is offset.But, if the interval about 1 day,, do not have big variation so the time correction amount when inner constantly departure received with last time is compared because with to compare temperature variation the previous day little, can specialized range be defined as maximum also not enough ± 0.5 second.Have again,, become that can not to judge inner constantly be soon or slow if be set as ± more than 0.5 second, be used to then judge that the allowed band of departure became more than 1 second, therefore, need described specialized range set for maximum also not enough ± 0.5 second.
In departure detection unit 333, be under the situation in the allowed band being judged to be departure, in S17, be judged to be "Yes", receive and finish so 330 pairs of simple and easy time correction unit receive circuit part's 23 indications, make to receive processing and finish (S18).
And second information correction portion 334 is based on the departure of calculating at departure calculating part 332, and the second in the inner moment of correction is (S19) regularly, and end receives processing.
On the other hand, so among S12, be judged to be under the situation of "No" more than 24 hours because of receiving successfully to have passed through from last time, so and because to be judged to be departure be to be judged to be in S17 beyond the allowed band under the situation of "No", 320 actions of normal time correction unit, the same in the past, carry out full code and receive (S20).
And normal time correction unit 320 receives by full code judges reception success or not (S21).And, receiving under the case of successful, carry out time correction (S22) by time information updating block 32.In addition, the time correction amount of time information updating block 32 is stored in the time correction amount storage unit 33 (S23).
Having, be stored in the time correction amount in the time correction amount storage unit 33, is stored with the form of per 1 day correcting value.For example, received successfully before 3 days, be judged as at S21 before 2 days and take defeat, do not carry out time correction, received successfully before 1 day, proofreaied and correct under the situation constantly, the time correction amount before 1 day has been used for proofreading and correct 2 days the departure in the inner moment.Therefore, in this case,, get final product as per 1 day time correction amount as long as get 1/2nd of time correction amount before 1 day.
In addition, before 3 days, received successfully, only proofreaied and correct a second timing at S19 before 2 days, received before 1 day and successfully proofreaied and correct under the situation constantly, should be corrected as the correct moment by the second of correction regularly, therefore, also can be with the time correction amount before 1 day directly as per 1 day time correction amount.And, calculate before 2 days second regularly correcting value and the time correction amount sum before 1 day, get its 1/2nd, as per 1 day time correction amount.
Have again, in the present embodiment, because the regulation that predetermined time of reception is set to every day is (for example the mornings 2 point) constantly, so in S12, under receiving case of successful last time, be judged to be in 24 hours at S12, handle (shorten to receive and handle) so simple and easy time correction unit 330 carries out simple and easy time correction.On the other hand, carried out in last time under the situation of simple and easy time correction processing, because received successfully through more than 24 hours, so normal time correction unit 320 carries out full code reception (normal reception processing) from last time.Therefore, in the present embodiment, the full code that hocketed every 1 day usually receives and shortens and receives.
In addition, under the situation that S21 takes defeat, usually, can through after the stipulated time or the reception stipulated time of next time receive processing once more, but receiving continuously under the situation more than the failure stipulated number, the also selection of variable receiving station is set at the reception of the standard wave of attempting other.
According to this 1st embodiment, can obtain following effect.
(1) in the present embodiment, because except the normal time correction unit 320 that the full code of carrying out standard wave receives, also be provided with the simple and easy time correction unit 330 that can shorten time of reception, therefore can reduce consuming electric power.Promptly, simple and easy time correction unit 330 based on the rising at interval in 1 second of the rect.p. of standard wave regularly and inside second constantly the departure between regularly, proofread and correct inner second constantly regularly, therefore can handle and carry out time adjustment by the reception about 10～30 times (10～30 second).Therefore, compare with the situation that normal reception full code is carried out time correction, the available very short time is carried out time correction, can reduce consumption electric power significantly.
(2) and, because departure detection unit 333 serves as that allowed band is set on the basis with the time correction amount of storage in time correction amount storage unit 33, so can precision detect departure well.
That is, rising at interval in 1 second of the rect.p. of standard wave regularly with inside second constantly regularly under the situation devious, can not judge that inner constantly has been slowly or soon.But, the deviation that the present invention is conceived to the inner moment in electric wave correcting timepiece usually occurs on the equidirectional, by the time correction amount when receiving last time successfully is that benchmark is set allowed band, judge direction that the generation direction of departure accelerates or slack-off direction, the inner departure constantly so can judge rightly is correctly proofreaied and correct constantly inner.
(3) pulse timing test section more than 331 time (about 10～30 times) detect rect.p. rising regularly, obtain its mean value, so can reduce the rising error regularly that is caused by noise etc., the rising that can precision detects rect.p. well regularly.Therefore, but also precision detection/correction and inner departure constantly well.
(4) and, receiving by full code under the situation of corrected time, because even 1 mistake does not allow yet, so need the high signal of S/N, and undertaken under the situation of time correction by simple and easy time correction unit 330, the rising that only detects pulse regularly gets final product, so, the weak signal low with S/N also can carry out time correction, can enlarge range of receiving significantly.
(the 2nd embodiment)
Below, the electric wave correcting timepiece 1 of the 2nd embodiment is described.
Have again, in the following embodiments, to described each embodiment be that same inscape or same inscape are given same-sign, omit explanation or schematic illustration.
The electric wave correcting timepiece 1 of the 2nd embodiment constitutes, improved pulse timing test section 331, as shown in figure 10, under poor at the reception output signal S/N that is exported by receiving circuit portion 23, as the to comprise noise situation, but precision detects the rising timing of rect.p. well.
As shown in figure 10, under the situation that S/N reduces, sneak into noise, produce than the actual narrow pulse of timing code width.Under the situation of JJY, in the timing code originally, as shown in Figure 5, because the narrowest pulsewidth is 200msec, so, under the narrow situation of peak pulse duration 200msec, can regard this segment pulse as noise and remove.
Therefore, in the present embodiment, as shown in figure 11, after the rising of rect.p. regularly detects treatment S 13, its pulsewidth and predefined setting (for example 100msec) are compared (S31).And, big at the peak pulse duration setting, be judged to be at S31 under the situation of "Yes", carry out described mean value calculation treatment S 14, if pulsewidth is below the setting, is judged to be under the situation of "No" at S31, the rising of this pulse is regularly invalid, is not used in mean value calculation, continues to carry out the pulse rise detection.
Have, the method that detects the pulsewidth of rect.p. can make with the following method: " 1 " or " 0 " judge pulsewidth to sampling, judge from the signal of receiving circuit portion 23 again.For example, establish the sampling period and be 31.3msec (32Hz) to 10msec (100Hz), if detected impulse level (high level) does not have continuous several times during sampling, then this sampled result is invalid.For example, be under the situation of 10msec in the sampling period, if the impulse level in when sampling is continuous 10 times of the state of high level, then the pulse persistance 100msec of high level can detect pulsewidth more than 100msec.
In addition, also can adopt this method: because the pulsewidth of normal signal is known, so regularly make the timer action from the pulse rising, be measured to the time till the decline, judge pulsewidth, if the measurement result of timer is below the setting, the detection that pulse is descended is invalid, proceeds to measure.
And, as shown in figure 12, also can verify from detected pulse and rise regularly, for timing at interval in 1 second, in the official hour scope (for example ± 31msec), whether there is follow-up pulse to rise, thus the not rising that causes of detection noise, and only detect the rising part of rect.p. at interval in 1 second.
In this 2nd embodiment, can play and the identical action effect of described the 1st embodiment.
And, in the 2nd embodiment, even sneaked under the situation of noise in than low, detected rect.p. at S/N, also because can only detect the rising at interval in 1 second of rect.p., can reduce The noise, rise regularly so can more correctly obtain pulse, can carry out the time correction of simple and easy time correction unit 330 more accurately and handle.
Have, the present invention is not limited to each embodiment again, and the distortion in the scope that can reach purpose of the present invention, improvement etc. are included in the present invention.
For example, in described each embodiment, because from successfully 24 hours of the reception of last time with interior situation under, make 330 actions of simple and easy time correction unit, so received full code every at least one day, simple and easy time correction unit 330 is discontinuous to shorten reception, repeatedly shortens reception continuously but also can constitute.
But, carry out 1 full code reception 1 week in order to improve inner precision constantly, preferably for example to be set at, receive if carried out continuously shortening for 6 times, then carry out full code next time and receive.
In addition, in described each embodiment, Yi Bian in S13, detect the rising timing of pulse, one side calculating mean value in S14, but also can after S13, carry out the determination processing of S15, after the pulse that detects n time is risen regularly, carry out the mean value calculation of S14 and handle.
And in said embodiment, departure under the situation in allowed band, does not receive full code in S17, receives and time correction but can not carry out full code yet, receives treatment S 2 when the predetermined time of reception of the next one once again.For example, detect the signal level (intensity) of the rect.p. that receives etc., under the low situation of its level,, make the rising of pulse regularly produce error, therefore might departure become beyond the allowed band because noise is sneaked into.In this case, receive, probably can not obtain correct time information even carry out full code.In this case,, handle, can realize province's electrification thereby needn't carry out useless reception by receiving the predetermined time of reception that treatment S 2 puts off until next time.
And, in described each embodiment, the benchmark of each pulse regularly be made as each pulse from Low to the timing that rises to High, but for example, also can be according to the kind of standard wave and the structure of receiving circuit portion 23, under the situation that each pulse of decoded received signal descended at interval with 1 second, regularly regularly as benchmark the decline of each pulse.
In a word, rect.p. of the present invention rose at interval or descends with 1 second, and signal level changes thus, and therefore, available pulse timing test section 331 detects the variation timing of described signal level, as benchmark regularly.
In addition, in said embodiment, in electric wave receives, stop to take the needle, but also can not stop to take the needle.The simple and easy time correction of particularly simple and easy time correction unit 330 is handled, because do not allow to be subject to The noise, so even the driving of second hand and minute hand exerts an influence to received signal, also can carry out time correction.
And, even not being based on the time of reception table, receiving element do not start the situation (regularly receiving) that begins to receive automatically, but by the user predetermined operation of external operating unit is started under the situation that receiving element begins to receive (manually receiving), the manner also is effective.
In addition, driving control unit 3, constantly each circuit, unit such as data storage circuitry portion 24, counting unit 6, be not limited to constitute with hardware such as various logical elements, also can followingly constitute: the computer installation that will have CPU (central processing unit), storer (memory storage) etc. is in clock and watch 1, and the program of installation provision realizes each unit in this computing machine.
For example, configuration CPU and storer in electric wave correcting timepiece 1, can be used as computing machine and work, in this storer, control program and data by recording medium installation provisions such as communication units such as the Internet, CD-ROM, storage cards, program with this installation makes actions such as CPU, can realize driving control unit 3 and constantly data storage circuitry portion 24 wait each unit.
Have again,, also can in these clock and watch 1, directly insert storage card or CD-ROM and wait and carry out, also can be used to read the equipment of these storage mediums and be connected in clock and watch 1 by external for the program of installation provision in electric wave correcting timepiece 1 etc.Further, also LAN cable, telephone wire etc. can be connected in clock and watch 1, by communication provide, installation procedure etc. because be equipped with antenna 21, also can provide, installation procedure by wireless mode.
If control program that provides with communication units such as this recording medium or the Internets etc. has been provided in electric wave correcting timepiece 1, because only just can realize the function of described each invention, so also can or select to embed the control program that the user wishes when dispatching from the factory by the change of program.At this moment, can the different various electric wave correcting timepieces 1 of production control form by only altering the procedure just, therefore, can realize the universalization of parts etc., can reduce the manufacturing cost when launching to change significantly.
As the function of electric wave correcting timepiece, promptly, each structure of timing unit, receiving element, time correction unit etc., be not limited to described embodiment, also can use each unit of known in the past electric wave correcting timepiece.
In addition, the quantity of the kind of selectable electric wave and concrete country (region) in electric wave correcting timepiece 1 also can suitably set when implementing.
In addition, electric wave correcting timepiece 1 of the present invention is not limited to analog clock and watch, also can be liquid crystal display part two sides' of digital clock and watch and the pointer with simulation demonstration usefulness and numeral demonstration usefulness clock and watch.And as electric wave correcting timepiece 1, applicable to portable clock and watch such as wrist-watch, pocket-watches, wall clock and desk clock etc. are provided with various clock and watch such as type clock and watch.
And, as electric wave correcting timepiece of the present invention, be not limited to the clock and watch monomer, also can be the clock and watch that are embedded in video recorder, televisor, portable phone, personal computer, electronic toy and the timer etc.Particularly the present invention can improve pointing accuracy constantly, and, can reduce consumption electric power, so be applicable to be embedded in and can not be always obtain electric wave correcting timepiece the portable set of electric power from commercial power.
Claims (7)
1. an electric wave correcting timepiece is characterized in that, this electric wave correcting timepiece comprises:
Receiving element, it is used to receive the time information that utilizes after rect.p. is modulated;
Receive control module, it controls the driving of described receiving element based on predefined timetable;
The time information updating block, it upgrades inner time information according to the time information that receives by described receiving element;
Time correction amount storage unit, it is stored in the time correction amount of described time information updating block when proofreading and correct inner time information; And
Moment display unit, it shows the moment based on described inner time information,
Described rect.p. rises or descends with the interval in 1 second, and, till being timed to signal after the described rising and descending from benchmark as the timing of this rising or decline or pulsewidth less than 1 second of the signal after descend till rising at interval and be multiple length,
Described reception control module comprises: simple and easy time correction unit was driven when driving receiving element in its specified time limit when receiving successfully from last time; Normal time correction unit, its when receiving successfully from last time through being driven during at the driving receiving element after specified time limit,
Described normal time correction unit constitutes: with the full code time necessary of described receiving element driving, when receiving successfully, proofread and correct inner time information by described time information updating block for the information time of reception,
Described simple and easy time correction unit comprises: the pulse timing test section, shorter time when it receives the described full code of described receiving element drive ratio, detect time information rect.p. described benchmark regularly; The departure calculating part, it calculates by the departure between the timing of the second of the described benchmark timing of the detected rect.p. of described pulse timing test section and described inner time information; The departure detection unit, it judges that whether departure that described departure calculating part calculates is being in the allowed band set of benchmark with the time correction amount that is stored in the last time in the described time correction amount storage unit; And second information correction portion, when described departure detection unit is judged to be departure in allowed band the time, this second information correction portion based on described departure, proofread and correct information second of inner time information.
2. electric wave correcting timepiece according to claim 1, it is characterized in that, described simple and easy time correction unit is judged to be departure outside allowed band the time at described departure detection unit, drives described normal time correction unit, makes that carrying out full code at time information receives.
3. electric wave correcting timepiece according to claim 1 and 2 is characterized in that,
Described time correction amount storage unit is carrying out setting ahead under the situation of correction to inner time information, uses on the occasion of storing described time correction amount, inner time information having been carried out setting back under the situation of correction, stores described time correction amount with negative value,
Described departure computing unit described time correction amount be on the occasion of situation under, described benchmark from described rect.p. is timed to till the timing of second of the inside time information that takes place next time time as on the occasion of departure, in described time correction amount is under the situation of negative value, from the departure of the described benchmark that is timed to the described rect.p. that takes place next time of second of the described inner time information time till regularly as negative value.
4. according to each described electric wave correcting timepiece in the claim 1～3, it is characterized in that,
Described reception control module is set the timetable that drives receiving element with 1 day interval,
The time correction amount that described departure detection unit will be stored in the described time correction amount storage unit is scaled per 1 day time correction amount, specialized range is set described allowed band according to being the center with this per 1 day time correction amount, and described specialized range is set deficiency ± 0.5 second for.
5. according to each described electric wave correcting timepiece in the claim 1～4, it is characterized in that,
Described pulse timing test section carries out the detection of stipulated number to the rising or the decline of rect.p., calculates its average timing, sets the described benchmark timing of rect.p..
6. electric wave correcting timepiece according to claim 5, it is characterized in that, described pulse timing test section calculates described average timing to the pulsewidth of the time information that receives except the rising of the rect.p. of setting or time drop data when calculating described average timing.
7. the time adjustment method of an electric wave correcting timepiece, this electric wave correcting timepiece has:
Receiving element, it is used to receive the time information that utilizes after rect.p. is modulated;
Receive control module, it controls the driving of described receiving element based on predefined timetable;
The time information updating block, it upgrades inner time information according to the time information that receives by described receiving element;
Time correction amount storage unit, it is stored in the time correction amount of described time information updating block when proofreading and correct inner time information; And
Moment display unit, it shows the moment based on described inner time information,
It is characterized in that,
Described rect.p. rises or descends with the interval in 1 second, and, till being timed to signal after the described rising and descending from benchmark as the timing of this rising or decline or pulsewidth less than 1 second of the signal after descend till rising at interval and be multiple length,
Described time adjustment method comprises: simple and easy time correction step, when driving receiving element, implement this step in the specified time limit when receiving successfully from last time; With normal time correction step, when receiving successfully from last time through when driving receiving element, implementing this step after specified time limit,
Described normal time correction step when receiving successfully, is proofreaied and correct inner time information by described time information updating block with the full code time necessary of described receiving element driving for the information time of reception,
Described simple and easy time correction step comprises: pulse timing detects step, shorter time when the described full code of described receiving element drive ratio is received, detect time information rect.p. described benchmark regularly; The departure calculation procedure, calculate detect the detected rect.p. of step by described pulse timing described benchmark regularly and described inner time information second timing between departure; The departure determination step judges that whether the departure that calculates by described departure calculation procedure is being in the allowed band set of benchmark with the time correction amount that is stored in the last time in the described time correction amount storage unit; And second information correction step, when in described departure determination step, being judged to be departure in allowed band the time,, proofread and correct information second of inner time information based on described departure.
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| JP2005366548 | 2005-12-20 | ||
| JP2005366548 | 2005-12-20 | ||
| JP2006233287 | 2006-08-30 |
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| CN1987687A true CN1987687A (en) | 2007-06-27 |
| CN100565387C CN100565387C (en) | 2009-12-02 |
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| CN 200610169212 Expired - Fee Related CN100565387C (en) | 2005-12-20 | 2006-12-20 | The time adjustment method of electric wave correcting timepiece and electric wave correcting timepiece |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446802B (en) * | 2007-11-27 | 2011-12-14 | 精工爱普生株式会社 | Electronic timepiece, time adjustment method for an electronic timepiece, and control method for an electronic timepiece |
| CN106909062A (en) * | 2015-12-22 | 2017-06-30 | 精工时钟有限公司 | The time adjustment method of position detecting device, clock and watch, method for detecting position and clock and watch |
| CN107153350A (en) * | 2017-06-07 | 2017-09-12 | 宗仁科技(平潭)有限公司 | Calibrate the control method and system, time calibration device and wrist-watch of electronic watch time |
| CN108227467A (en) * | 2016-12-21 | 2018-06-29 | 卡西欧计算机株式会社 | Device, electronic watch, method and computer readable storage devices |
| CN110275431A (en) * | 2018-03-15 | 2019-09-24 | 精工时钟有限公司 | Time set, timekeeping system and clocking method |
| CN113377002A (en) * | 2020-02-25 | 2021-09-10 | 卡西欧计算机株式会社 | Electronic timepiece, wireless device, wireless communication system, time adjustment method, and computer readable medium |
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2006
- 2006-12-20 CN CN 200610169212 patent/CN100565387C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446802B (en) * | 2007-11-27 | 2011-12-14 | 精工爱普生株式会社 | Electronic timepiece, time adjustment method for an electronic timepiece, and control method for an electronic timepiece |
| CN106909062A (en) * | 2015-12-22 | 2017-06-30 | 精工时钟有限公司 | The time adjustment method of position detecting device, clock and watch, method for detecting position and clock and watch |
| CN108227467A (en) * | 2016-12-21 | 2018-06-29 | 卡西欧计算机株式会社 | Device, electronic watch, method and computer readable storage devices |
| CN108227467B (en) * | 2016-12-21 | 2020-06-16 | 卡西欧计算机株式会社 | Electronic device, electronic timepiece, time information acquisition method, and computer-readable storage device |
| CN107153350A (en) * | 2017-06-07 | 2017-09-12 | 宗仁科技(平潭)有限公司 | Calibrate the control method and system, time calibration device and wrist-watch of electronic watch time |
| CN110275431A (en) * | 2018-03-15 | 2019-09-24 | 精工时钟有限公司 | Time set, timekeeping system and clocking method |
| CN110275431B (en) * | 2018-03-15 | 2021-11-09 | 精工创时有限公司 | Time counting device, time counting system and time counting method |
| CN113377002A (en) * | 2020-02-25 | 2021-09-10 | 卡西欧计算机株式会社 | Electronic timepiece, wireless device, wireless communication system, time adjustment method, and computer readable medium |
| CN113377002B (en) * | 2020-02-25 | 2022-12-13 | 卡西欧计算机株式会社 | Electronic timepiece, wireless communication system, time adjustment method, and computer readable medium |
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| CN100565387C (en) | 2009-12-02 |
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