CN110275431A

CN110275431A - Time set, timekeeping system and clocking method

Info

Publication number: CN110275431A
Application number: CN201910111283.XA
Authority: CN
Inventors: 今村美由纪; 细贝则充
Original assignee: Seiko Clock Inc
Current assignee: Seiko Chuangshi Co.,Ltd.
Priority date: 2018-03-15
Filing date: 2019-02-12
Publication date: 2019-09-24
Anticipated expiration: 2039-02-12
Also published as: CN110275431B; JP2019158733A; JP7045887B2

Abstract

Time set, timekeeping system and clocking method.Time set includes receiving unit, receives comprising the reference instant information for correcting chronometric data and is used as reception signal by the reference instant signal that sending device is sent；Signal strength determination unit determines the intensity for the reception signal that receiving unit receives；Benchmark sending device determining section determines the sending device that the intensity that signal strength determination unit is judged to receiving signal is defined threshold value or more for benchmark sending device；Signal determining portion, after benchmark sending device determining section has determined benchmark sending device, it is the amendment for being used for chronometric data by the reception signal determining from benchmark sending device, and is the amendment for being not used in chronometric data by the reception signal determining of the sending device other than benchmark sending device；Correction portion corrects chronometric data according to the reference instant information that the reception signal shown in the judgement result in signal determining portion is included；Timing unit carries out timing according to the revised chronometric data of correction portion.

Description

Time set, timekeeping system and clocking method

Technical field

The present invention relates to time set, timekeeping system and clocking methods.

Background technique

It has been known that there is following timekeeping systems: multiple time sets are carried out it is hierarchical, from the time set of upper hierarchy to The time set of the next level of a low level successively midsequent ground sending instant information, thus allows for the timing of each level It is corrected at the time of device.In such timekeeping system, by one-way communication, from the time set of upper hierarchy by time information It is transmitted to the time set of the next level.The one-way communication is for example, by using wireless near field communication.The timing of the next level fills It sets referring to including the transmission timing information sent in data together with time information, determines for later from upper hierarchy Time set receives the automatic reception timing for sending data.

In such timekeeping system, compared with the two-way communication matched each other to time set, it is easy building net Network.For example, as it is known that there is the time set (patent document that can construct automatically appropriate linking relationship between time set 1)。

Patent document 1: Japanese Unexamined Patent Publication 2005-257484 bulletin

In timekeeping system as described above, electric wave is used in the mutual communication of time set.But the electric field of electric wave Intensity is typically due to interference or crosstalk and changes.Therefore, in timekeeping system as described above, there are following situations: setting meter When device when, the success accidentally at the lower limit of receiving sensitivity from the time set time of reception information of upper hierarchy.It is receiving When receiving accidentally success at the lower limit of sensitivity, there are following projects: in regular automatic reception later, due to receiving electric wave Electric field strength change and can not stable time of reception information again.

In particular, the time set of time and manpower are expended for setting, it is not easily moveable once setting, therefore do not allow Easily the communication distance between the time set of upper hierarchy is changed.For example, for wall clock or desk clock, not with wrist-watch Together, once setting, the communication distance between the clock and watch of upper hierarchy determine that.Therefore, for wall clock or desk clock, can not It carries out in automatic received situation, user resets it into closer to when the consuming such as place of time set of upper hierarchy Between and manpower.

Summary of the invention

The present invention is completed in view of above-mentioned aspect, provide a kind of time set that can stablize time of reception information, Timekeeping system and clocking method.

The present invention be it is completed to solve the above problems, one embodiment of the present invention is time set, includes and connects Receipts portion receives the reference instant signal sent by sending device as signal is received, wherein the reference instant signal includes For correcting the reference instant information of chronometric data；Signal strength determination unit, determine that the receiving unit receives described connects The intensity of the collection of letters number；The signal strength determination unit is determined as the strong of the reception signal by benchmark sending device determining section Degree is that the sending device determination of defined threshold value or more is benchmark sending device；Signal determining portion is sent out in the benchmark After sending device determining section that the benchmark sending device has been determined, by the reception signal determining from the benchmark sending device For the amendment for the chronometric data, and will be connect described in the sending device other than the benchmark sending device The collection of letters number is judged to being not used in an amendment for the chronometric data；Correction portion is shown according to the judgement result in the signal determining portion The reference instant information that the reception signal out is included, is modified the chronometric data；And timing unit, Timing is carried out according to the revised chronometric data of the correction portion.

In addition, one embodiment of the present invention in above-mentioned time set, is initially received after the receiving unit starts movement In the case where having arrived the reception signal, the reception signal that the signal strength determination unit receives the receiving unit Intensity is determined.

In addition, connection of the one embodiment of the present invention in above-mentioned time set, between the benchmark sending device In the case where interruption, the signal strength determination unit is determined as the strong of the reception signal by the benchmark sending device determining section Degree is that the sending device of defined threshold value or more redefines as benchmark sending device.

In addition, one embodiment of the present invention in above-mentioned time set, is received and receiving manually in the receiving unit In the case where the reception signal, the reception signal that the signal strength determination unit receives the receiving unit it is strong Degree is determined.

In addition, one embodiment of the present invention in above-mentioned time set, also has display unit, determine in the signal strength In the case that portion is determined as that the intensity is less than specified value, the display unit shows that the intensity is less than specified value.

Also, one embodiment of the present invention is a kind of clocking method, is had follow steps: receiving step, is received by sending The reference instant signal that device is sent is as signal is received, wherein the reference instant signal includes for correcting chronometric data Reference instant information；Signal strength determination step, to the intensity of the reception signal received in the receiving step into Row determines；Benchmark sending device determines step, and the strong of the reception signal will be determined as in the signal strength determination step Degree is that the sending device determination of defined threshold value or more is benchmark sending device；Signal determining step is sent out in the benchmark After sending device to determine the benchmark sending device has been determined in step, by the reception signal from the benchmark sending device It is determined as the amendment for the chronometric data, and by the institute of the sending device other than the benchmark sending device Stating and receiving signal determining is the amendment for being not used in the chronometric data；Amendment step, according to the judgement of the signal determining step As a result the reference instant information that the reception signal shown is included, is modified the chronometric data；And meter When step, timing is carried out according to the chronometric data revised in the amendment step.

In accordance with the invention it is possible to stablize time of reception information.

Detailed description of the invention

Fig. 1 is the figure for showing an example of the structure of timekeeping system of first embodiment of the present invention.

Fig. 2 is the figure for showing an example of reference instant information and communication channel of first embodiment of the present invention.

Fig. 3 is the figure for showing an example of the structure of time set of first embodiment of the present invention.

Fig. 4 is the figure of an example of the display of the display panel P for the display device for showing first embodiment of the present invention.

Fig. 5 is the figure for showing an example of the structure of control unit of first embodiment of the present invention.

Fig. 6 is the figure for the received pretreated an example of time information for showing first embodiment of the present invention.

Fig. 7 is the figure for showing an example that the long wave in female equipment mode of first embodiment of the present invention receives processing.

Fig. 8 is the figure for showing an example of the short-range communication processing in female equipment mode of first embodiment of the present invention.

Fig. 9 is the figure for showing an example of the short distance reception processing in the sub- equipment mode of first embodiment of the present invention.

Figure 10 be show first embodiment of the present invention it is usual when timing processing an example figure.

Figure 11 be show first embodiment of the present invention sub- equipment it is usual when at the time of amendment processing an example Figure.

Figure 12 be show first embodiment of the present invention it is usual when rerouting (Reroute) processing an example figure.

Figure 13 is the figure for showing an example of display control processing of first embodiment of the present invention.

Label declaration

S: timekeeping system；C, C1, C2, C3, C4, C5, C6: time set；1: long wave receives circuit；2: power circuit；21: AC (exchange) adapter connection plug；22: battery；3: connector；4: master device；5: display device；6: voltage detector；7: adjusting Save device；8: switching group；9:RF circuit；10: quartz vibrator；11: control unit；20: processor；201: signal strength determination unit； 202: benchmark sending device determining section；203: signal determining portion；204: correction portion；205: timing unit；206: female sub- equipment of equipment Mode control unit；207: communication control unit；208: display control section；30: chronometric data acquisition unit；40: encoder；50: decoding Device；60: signal strength acquisition unit；70: key input part；80: voltage data input unit；90: register group；901: female equipment is set Standby mode register；902: chronometric data register；903: receiving channel register；904: sending channel register；905: layer Register；906: continuous reception failure number register；P: display panel.

Specific embodiment

(the 1st embodiment)

In the following, the embodiment that present invention will be described in detail with reference to the accompanying.Fig. 1 is the timekeeping system S for showing present embodiment Structure an example figure.In timekeeping system S, there is multiple time set C1~C6, these time sets C1~C6 to constitute The network of tree-shaped.

Hereinafter, 1 in time set C1~C6 is referred to as time set C sometimes.

The network exists using the level shown in layer, and the time set C of upper layer obtains time information, from upper layer Time set C successively sending instant information of the time set C to lower layer.Here, upper layer time set C obtain when Carve the information for the expression reference instant that information e.g. refers to that standard wave is included.The time set C of each layer is from upper layer When time set C receives time information, at the time of correcting own device.As a result, constitute timekeeping system S time set C1~ At the time of C6 remains accurate.

Time set C1~C6 that timekeeping system S has is, for example, the radio controlled timepiece for being set to office building or factory etc.. In radio controlled timepiece, according to setting place difference, standard wave can not be received sometimes.

Therefore, in timekeeping system S, time set C1~C6 is divided into the female equipment for receiving standard wave and sets from mother The standby sub- equipment for receiving reference instant signal.Here, reference instant signal refers to comprising for moment modified time information The signal of (i.e., reference instant information B).Time set C1 as female equipment is set to the window etc. for being easy to receive standard wave Place.On the other hand, the inboard of building is set in as the time set C2 of sub- equipment and time set C3, from as female equipment Time set C1 receive reference instant signal.

In timekeeping system S, time set C is when receiving reference instant signal from the time set C of upper layer, later Also in defined reception timing, reference instant signal is received from the time set C of the upper layer.Base will be sent to time set C The sending device of the upper layer of quasi- time-ofday signals is referred to as benchmark sending device.

In timekeeping system S, in the case where the intensity of the reference instant signal received is defined threshold value or more, meter When device C pass through the sending device for having sent the reference instant signal be set as benchmark sending device, can stablize the time of reception Information.

In timekeeping system S, using the one-way communication in wireless near field communication when transmission.As an example, the low coverage Refer to BLE (Bluetooth (registered trademark) Low Energy: low-power consumption bluetooth) from wireless communication.Sending includes table in data Show the layer information of the level of network.Time set C2~C6 adds 1 to the value of the layer received in initial receive and is set as itself The layer of device.Later, time set C2~C6 only obtains the transmission number of the value of the layer with smaller than the value of the layer of own device 1 According to construct the network of tree-shaped.

In timekeeping system S, by using one-way communication, save in pairing or the usual network in short-range communication IP address setting etc. time and manpower can be easily implemented mother and sons' clock and watch system compared with these.

Time set C1 as female equipment is received by long wave, receives standard waves or satellites such as JJY (registered trademarks) Electric wave (UTC), thus obtains time information.Alternatively, the time set C1 as female equipment passes through wireless near field communication, from intelligence It can mobile phone acquirement time information.Time set C1, which obtains time information from which information source, to be set by user.In addition, It is also to be set by user that time set C is functioned as female which of equipment and sub- equipment in timekeeping system S.

Time set C1 according to it is acquired at the time of information, correct the chronometric data of own device.Time set C1 according to Revised chronometric data generates reference instant information B.Time set C1 will include benchmark generated by sending channel 0 The reference instant signal of time information B is sent to the time set C2 and time set C3 of lower layer.

Here, illustrate reference instant information B and communication channel referring to Fig. 2.

Fig. 2 is the figure of the reference instant information B for showing present embodiment and an example of communication channel.Reference instant information B Comprising layer information B1, send channel information B2, time information B3 and station information B4.

Layer information B1 is the information for determining the layer where having sent the time set C of reference instant information B.Layer information B1 for example takes 0~99 range.

Sending channel information B2 is the information for determining the communication channel for sending reference instant information B.For example preparing 60 In the case where the communication channel of a channel, send in the value for for example set in channel information B2 0~59 corresponding to communication channel Value.

Time information B3 be indicate Year/Month/Day/when/moment such as point/second/week information.

Information of standing B4 is the information for indicating time information B3 and being corrected according to which information source.Information of standing B4 is, for example, Differentiation illustrates UTC, JJY (40kHz；East/Fukushima dispatching station), JJY (60kHz, west/nine divisions of China in remote antiquity dispatching station), smart phone and hand Information when dynamic adjustment.

Fig. 1 is returned, the explanation of timekeeping system S is continued.

In timekeeping system S, crosstalk in order to prevent, the time slot TS of every 10 seconds of setting according to layer and sends CH (transmission letter Road) determine the transmission timing of reference instant information B, so that transmission timing be prevented to be overlapped between multiple sending devices.Here, it sends CH is not the time slot of frequency division but time-division, is set at random from number 0~59.An example of transmission timing is indicated by formula (1).

Transmission timing=hh:00:00+ (layer × 10) [dividing]+(sending CH × 10) [second]+5 [second] (hh=0,3,6 ...) ... (formula 1)

It prevents the two-way communication of BLE of crosstalk different from by frequency hopping, in the one-way communication of BLE, is filled as sending When the broadcaster set is sent as the advertisement packet for sending data, successively switches 3 frequencies and sent, therefore when timing weight When folded, a possibility that crosstalk occurs, is improved.In timekeeping system S, transmission timing is prevented to be overlapped by formula (1).

The time set C2 that the value of layer is 1 receives reference instant information B from the time set C1 that the value of layer is 0.Timing dress Set C2 it is included according to reference instant information B at the time of information B3, correct the chronometric data of own device.Time set C2 according to Revised chronometric data generates reference instant information B.Reference instant information B generated is sent layer by time set C2 Value be 2 time set C4.Here, time set C2 is sent out in transmission using used in the time set C1 with upper layer The different transmission channel 3 of channels 0.

Same below, the time set C of the layer of the value small 1 of time set C from the layer of each layer receives reference instant information B, Information B3 at the time of included according to the reference instant information B received, corrects the chronometric data of own device.Time set C According to revised chronometric data, reference instant information B is generated.Time set C uses the timing with the upper layer of the value small 1 of layer The different transmission channel of channel is sent used in device C, sends the value big 1 of layer for reference instant information B generated The time set C of lower layer.

In addition, can also also configure other than time set C, as needed in timekeeping system S and not have transmission The time set of the function of reference instant information B.

Then, the structure of time set C is illustrated referring to Fig. 3.

Fig. 3 is the figure for showing an example of the structure of time set C of present embodiment.Time set C is received with long wave Circuit 1, power circuit 2, connector 3, master device 4 and display device 5.

Long wave receives circuit 1 and receives the standard wave JJY comprising time information or satellite waves (UTC) and demodulate, via Digital received information is output to master device 4 by connector 3.

Power circuit 2 has AC (exchange) adapter connection plug 21 and battery 22, will be adapted to from AC via connector 3 The direct current of device or battery 22 is supplied to master device 4.

Display device 5 has the display panel P (such as liquid crystal display panel) of section (segment) structure, display moment letter The information such as breath, electric wave transmitting-receiving situation.

Here, the display of the display panel P of display device 5 is illustrated referring to Fig. 4.

Fig. 4 is the figure for showing an example of the display of the display panel P of display device 5 of present embodiment.Display panel P tool There is morning display segment P1, display segment P2, TL marker field P3 in afternoon, hour display segment P4, compartmented P5, divide display segment P6, second aobvious Show a section P7, the sub- equipment mode marker field P8 of female equipment, information source marker field P9, BLE marker field P10, antenna marker field P11, connect Receive level section P12, battery mark section P13, moon display segment P14, day display segment P15 and week display segment P16.

In the case where being constantly display in 12 hours, morning display segment P1 and display segment P2 in afternoon distinguish the display morning under Noon.

TL marker field P3 is for showing the aobvious of the case where can receiving reference instant signal from the time set C of upper layer etc. Show section.In addition, the switching of the display format by TL marker field P3, display is medium in receiving and in sending.

Hour display segment P4, compartmented P5, display segment P6, second display segment P7 is divided to show currently in the form of " when: every minute and second " Moment.

Female sub- equipment mode marker field P8 of equipment shows that time set C is set to female equipment mode and is also set at son Equipment mode.In the case where time set C is set to female equipment mode, " P " of female sub- equipment mode marker field P8 of equipment Character light.On the other hand, in the case where time set C is set to sub- equipment mode, female sub- equipment mode mark of equipment Remember that the character of " C " of section P8 is lighted.

Information source marker field P9 shows whether standard radio wave signal is had received within the stipulated time, if received, Then show that information source is which of western station, eastern station and UTC.For example, being received within time set C is when 24 is small JJY60kHz is simultaneously used in moment modified situation, and W marker field is lighted.It is received within time set C is when 24 is small JJY40kHz is simultaneously used in moment modified situation, and E marker field is lighted.UTC is received simultaneously within time set C is when 24 is small For in moment modified situation, U marker field to be lighted.

Whether BLE marker field P10 shows to have received by wireless near field communications such as BLE from smart phone believes constantly Breath.

Antenna marker field P11 and reception level section P12 is the section for showing the intensity for receiving electric wave.

Battery mark section P13 is the section for showing the voltage status of battery 22.

Moon display segment P14, day display segment P15, week display segment P16 are the sections for showing moon day and week.

Fig. 3 is returned, the structure of time set C is continued to explain.

Master device 4 has voltage detector 6, adjuster 7, switching group 8, RF (Radio Frequency；High frequency) circuit 9, Quartz vibrator 10 and control unit 11.

Voltage detector 6 detects the output voltage of power circuit 2, and will test value and be supplied to control unit 11.

Adjuster 7 makes the voltage stabilization supplied from power circuit 2 and is supplied in master device 4.

Switching group 8 has the multiple switches such as RESET switch, RECV switch and MODE switch.Switching group 8 is according to based on user Various information and instruction are supplied to control unit 11 by on-off, length of turn-on time of the switch of operation etc..

When operating RESET switch, control unit 11 becomes original state.

When operating RECV switch, executes and the received manual reception of reception signal progress is handled at the appointed time.

When operating MODE switch, receive female equipment mode in the long wave for receiving long wave, by the reception based on BLE from intelligence Can mobile phone obtain and switch between the mother's BLE equipment mode and sub- equipment mode this 3 modes of time information.Alternatively, it is also possible to Switch female equipment mode and the two modes of sub- equipment mode, automatically selects in female equipment mode using long wave reception and BLE It which of receives and to obtain time information.

RF circuit 9 receives the reference instant signal conduct that the time set C of upper layer is sent under the control of control unit 11 Receive signal.RF circuit 9 demodulates the reference instant signal received and is output to control unit 11.In addition, RF circuit 9 makes With the transmission channel different from channel is received, it sends reference instant information B to the time set C of lower layer.

Quartz vibrator 10 is vibrated according to the frequency of oscillation of regulation, and oscillator signal is supplied to control unit 11.

The molar behavior of the control of control unit 11 time set C.Control unit 11 carries out the oscillator signal based on quartz vibrator 10 Timing movement, long wave receives the benchmark of circuit 1 or RF circuit 9 and receives signal (standard radio wave signal or reference instant signal) Whether intensity determines, receives the determination of the benchmark sending device of benchmark reception signal, is used for the benchmark received reception signal The amendment for data that chronometric data is modified at the time of determine, receive signal based on the benchmark that receives from benchmark sending device is dynamic Make, via the various letters in the transmission of the reference instant information based on revised time data of RF circuit 9, display device 5 The display control of breath, in response to processing of operation input of switching group 8 etc..

Here, the structure of control unit 11 is illustrated referring to Fig. 5.

Fig. 5 is the figure for showing an example of the structure of control unit 11 of present embodiment.Control unit 11 has processor 20, meter When data acquisition 30, encoder 40, decoder 50, signal strength acquisition unit 60, key input part 70, voltage data input unit 80 With register group 90.

Processor 20 has signal strength determination unit 201, benchmark sending device determining section 202, signal determining portion 203, repairs Positive portion 204, timing unit 205, the sub- equipment mode control unit 206 of female equipment, communication control unit 207 and display control section 208.Processing Device 20 makes signal strength determination unit 201, benchmark sending device determining section 202, signal determining portion 203, correction portion 204, timing unit 205, the sub- equipment mode control unit 206 of female equipment, communication control unit 207 and display control section 208 are respectively processed.

Processor 20 is realized by CPU, RAM and ROM etc..

Signal strength determination unit 201 determines the intensity for the reception signal that RF circuit 9 receives.

Signal strength determination unit 201 is determined as the reception signal that RF circuit 9 receives by benchmark sending device determining section 202 Intensity be as defined in more than threshold value time set C determination be benchmark sending device.

The reception signal that signal determining portion 203 determines whether to receive in RF circuit 9 is used for the amendment of chronometric data.

Correction portion 204 is believed according to the reference instant that the reception signal shown in the judgement result in signal determining portion 203 is included B is ceased, chronometric data is corrected.

Timing unit 205 carries out timing according to the revised chronometric data of correction portion 204.

The reception that receives signal of the control of communication control unit 207 based on RF circuit 9 and the reference instant based on RF circuit 9 The transmission of signal.Here, communication control unit 207 receives the reference instant that the time set C of upper layer is sent via RF circuit 9 Signal is as reception signal.

Display control section 208 carries out the display control of the various information in display device 5.

Chronometric data acquisition unit 30 counts the oscillator signal from quartz vibrator 10, obtains meter at regular intervals When data, timer interrupt signal is output to processor 20.Here, certain time is, for example, 100ms.

Encoder 40 data of the sending object supplied from processor 20, such as reference instant information B are encoded and Baseband signal is generated, and is supplied to RF circuit 9.

Decoder 50 receives the reception signal that circuit 1 and RF circuit 9 receive to long wave and is decoded, such as when to standard The baseband signal for carving information and reference instant information B is demodulated and is supplied to processor 20.

Signal strength acquisition unit 60 obtains the intensity for the reception signal that RF circuit 9 receives.Here, the intensity of signal is received Refer to received signal strength (Received Signal Strength Indicator:RSSI).

Key input part 70 is decoded the on-off signal of the operation input according to switching group 8, and is supplied to processing Device 20.

The voltage value that voltage detector 6 detects is output to processor 20 by voltage data input unit 80.

There is register group 90 the sub- equipment mode register 901 of female equipment, chronometric data register 902, reception channel to post Storage 903 sends channel register 904, layer register 905 and continuous reception failure number register 906.

Female sub- equipment mode register 901 of equipment stores the sub- equipment mode set information of female equipment.Female sub- equipment mould of equipment Formula set information indicates that time set C is set to long wave and receives in female equipment mode, mother's BLE equipment mode and sub- equipment mode Which.

The information at the expression time set C current time measured is stored as chronometric data by chronometric data register 902. Here, indicate current time information be indicate the moon/day/when/point/second/week information.

It receives the storage reception channel of channel register 903 and specifies data (such as any one value in above-mentioned 0~59) With the data etc. received, which specifies data to receive the logical of reference instant information to from the time set C of upper layer Letter channel is specified.In addition, there is no the time set C1 that the value of the layer of the time set C of upper layer is 0, The types at moment such as storage etalon time and the information for indicating to achieve the information source of time information.Here, when indicating to achieve The information for carving the information source of information is to indicate the type (east UTC, JJY dispatching station, the western dispatching station of JJY etc.) or intelligence of standard wave The information of mobile phone.

It sends the storage transmission channel of channel register 904 and specifies data (such as any one value in above-mentioned 0~59), The transmission channel that the transmission channel specifies the time set C of data opposite direction lower layer to send reference instant information B is specified.Hair The channel that channels register 904 is stored specifies data to be sent as the transmission channel information B2 in reference instant information B.

Layer register 905, which stores, indicates that time set C is located at the layer data of which of multiple layers layer (for example, above-mentioned 0 Any one value in~99).

Continuous 906 storage of reception failure number register can not continuously receive the benchmark of the time set C from upper layer The number (i.e., continuously reception failure number) of time information B.In addition, the value in the layer for the time set C that upper layer is not present is In the case where 0 time set C1, storage can not continuously receive the number of standard radio wave signal.

(configuration)

For user in the distance range for being able to carry out the communication based on RF circuit 9, configuration constitutes multiple meters of timekeeping system S When device C, and power on.

(initial actuating)

Time set C is when being powered, and together with other initialization actions, starts for the pre- of time of reception information Processing.In the case where the RESET of Operation switch group 8 switch becomes original state to control unit 11, which is also opened Begin.

Fig. 6 is the figure for the received pretreated an example of time information for showing present embodiment.

Step S100: female sub- equipment mode control unit 206 of equipment determines whether time set C is set to female equipment mould Formula.Here, female equipment mode is any one in the female equipment mode of long wave reception and mother's BLE equipment mode.

Female sub- equipment mode control unit 206 of equipment obtains the sub- equipment of female equipment from the sub- equipment mode register 901 of female equipment Mode setting information.It is determined as the sub- equipment mode setting letter of acquired female equipment in the sub- equipment mode control unit 206 of female equipment (step S100 in the case where any one in the female equipment mode of breath expression long wave reception and mother's BLE equipment mode；It is), processing The processing of the execution of device 20 step S101.

On the other hand, it is determined as that the acquired sub- equipment mode of female equipment is set in the sub- equipment mode control unit 206 of female equipment Determine information not and indicate long wave and receives (step S100 in the case where any one in female equipment mode and mother's BLE equipment mode； It is no), processor 20 executes the sub- equipment mode short distance reception processing of step S104.Sub- equipment mode is described referring to Fig. 9 later Short distance reception processing.

In the step s 100, the sub- equipment mode control unit 206 of female equipment supplies the sub- equipment of female equipment to display control section 208 Mode setting information.The sub- equipment mode of female equipment that display control section 208 is supplied according to the sub- equipment mode control unit 206 of female equipment Set information makes display device 5 be set to female equipment using the sub- equipment mode marker field P8 of female equipment, display time set C Mode is also set at sub- equipment mode.

Step S101: female sub- equipment mode control unit 206 of equipment determines whether time set C is set to long wave and receives mother Equipment mode.It is determined as that the sub- equipment mode set information of female equipment indicates that long wave connects in the sub- equipment mode control unit 206 of female equipment (step S101 in the case where the female equipment mode of receipts；It is), processor 20 executes the long wave reception processing of step S102.Reference later Fig. 7 describes long wave reception processing.

On the other hand, it is determined as the sub- equipment mode set information of female equipment not in the sub- equipment mode control unit 206 of female equipment Indicate that long wave receives (step S101 in the case where female equipment mode；It is no), processor 20 executes female equipment mode of step S103 Short-range communication processing.Female equipment mode short-range communication processing is described referring to Fig. 8 later.

Fig. 7 is the figure for showing an example that the long wave in female equipment mode of present embodiment receives processing.Place shown in Fig. 7 Reason is the long wave reception processing of step S102 shown in fig. 6.

Step S200: communication control unit 207 controls long wave and receives circuit 1, make its receive from the nine divisions of China in remote antiquity dispatching station of JJY with The standard wave of 60kHz broadcast.Here, it is specified that the time is, for example, 30 seconds.Communication control unit 207 makes decoder 50 decode long wave The reception signal that circuit 1 receives is received, to obtain etalon time information.

Step S201: communication control unit 207 controls long wave and receives circuit 1, make its receive from the Fukushima dispatching station of JJY with The standard wave of 40kHz broadcast.Here, it is specified that the time is, for example, 30 seconds.Communication control unit 207 makes decoder 50 decode long wave The reception signal that circuit 1 receives is received, to obtain etalon time information.

Step S202: communication control unit 207 be determined as long wave receive circuit 1 have received 60kHz and 40kH both sides' Standard wave and (step S202 in the case where having obtained decoded signal；It is), execute the processing of step S208.On the other hand, lead to Letter control unit 207 is in the case where being determined as that long wave reception circuit 1 fails to receive the standard wave of 60kHz and 40kH both sides (step S202；It is no), execute the processing of step S203.

Step S203: communication control unit 207 is being determined as that long wave receives the standard wave that circuit 1 has received 60kHz In the case of (step S203；It is), execute the processing of step S209.On the other hand, communication control unit 207 is being determined as long wave reception Circuit 1 fails to receive (step S203 in the case where the standard wave of 60kHz；It is no), execute the processing of step S204.

Step S204: in addition, communication control unit 207 is being determined as that long wave receives circuit 1 and have received the standard electric of 40kHz (step S204 in the case where wave；It is), execute the processing of step S210.On the other hand, communication control unit 207 is being determined as long wave It receives circuit 1 and fails to receive (step S204 in the case where the standard wave of 40kHz；It is no), execute the processing of step S205.

Step S205: communication control unit 207 makes to grow in the case where long wave reception circuit 1 fails to receive standard wave Wave receives circuit 1 and receives the UTC from GPS satellite etc..

Step S206: communication control unit 207 determines that long wave receives whether circuit 1 has received UTC.In communication control unit 207 are determined as that long wave receives (step S206 in the case that circuit 1 has received UTC；It is), processor 20 executes step S211's Processing.

On the other hand, it is determined as that long wave receives (step in the case that circuit 1 fails to receive UTC in communication control unit 207 S206；It is no), processor 20 executes the processing of step S207.

Step S207: communication control unit 207 executes long wave reception failure processing.Communication control unit 207 is to display control section 208 supplies indicate the signal of long wave reception failure.

The signal that display control section 208 is supplied according to communication control unit 207 makes display device 5 utilize antenna marker field P11 Long wave reception failure is shown with level section P12 is received.Here, display device 5 for example flashes antenna marker field P11 and makes to receive Level section P12 extinguishes.

Step S208: the selection of communication control unit 207 being capable of a more stably received dispatching station.Then, communication control The processing of the execution of portion 207 step S211.

Step S209: communication control unit 207 selects western dispatching station (nine divisions of China in remote antiquity).Then, communication control unit 207 executes step The processing of S211.

Step S210: communication control unit 207 selects eastern dispatching station (Fukushima).Then, communication control unit 207 executes step The processing of S211.

Step S211: processor 20 executes long wave and receives initial setting processing.

Timing unit 205 sets the chronometric data based on the standard wave received in chronometric data register 902 Position.

Communication control unit 207 is expressed as standard wave and differentiation to the setting of moment type in receiving channel register 903 Indicate the information of thing dispatching station.In addition, communication control unit 207 sets 0 value as layer in layer register 905.Communication control The continuous reception failure number that portion 207 processed stores continuous reception failure number register 906 resets.

In addition, display control section 208 make display device 5 show chronometric data register 902 stored chronometric data, table Show the information of reception state and battery status.Here, in the display content of the display panel P of display device 5, such as include base In the display of the am/pm of morning display segment P1 and display segment P2 in afternoon, based on hour display segment P4, compartmented P5, point aobvious Show a section P6, second display segment P7, moon display segment P14, day display segment P15 and Hour Minute Second week date in week display segment P16 Display, standard wave based on information source marker field P9 information source display, based on the standard wave for receiving level section P12 The power supply status of the display of reception situation and the detected value based on the voltage detector 6 inputted via voltage data input unit 80 Display etc..

Fig. 8 is the figure for showing an example of the short-range communication processing in female equipment mode of present embodiment.It is shown in Fig. 8 Processing is female equipment mode short-range communication processing of step S103 shown in fig. 6.

Step S300: communication control unit 207 starts RF circuit 9.

Step S301: communication control unit 207 sends RF circuit 9 intermittently for carrying out with smart phone with the stipulated time The advertising signal of connection.Here, it is specified that the time is, for example, 30 seconds.

Step S302: when communication control unit 207 determines whether RF circuit 9 connect with smart phone and have received short distance Carve signal.(the step S302 in the case where communication control unit 207 is determined as that RF circuit 9 has received short distance time-ofday signals； It is), processor 20 executes the processing of step S304.On the other hand, it is determined as that RF circuit 9 does not receive in communication control unit 207 (step S302 in the case where short distance time-ofday signals；It is no), processor 20 executes the processing of step S303.

Step S303: communication control unit 207 executes short-range communication failure handling.Communication control unit 207 is to display control The supply of portion 208 indicates the signal of short-range communication failure.

The signal that display control section 208 is supplied according to communication control unit 207, make display device 5 using BLE marker field P10, Antenna marker field P11 and reception level section P12 show short-range communication failure.Here, display device 5 for example lights BLE label Section P10, it flashes antenna marker field P11 and makes to receive level section P12 extinguishing.

Step S304: processor 20 executes the initial setting processing of short-range communication.

Timing unit 205 is in chronometric data register 902 to the chronometric data based on the short distance time-ofday signals received Carry out set.

Communication control unit 207 is expressed as connecing from smart phone etc. in receiving channel register 903 to the setting of moment type Information at the time of receiving.In addition, communication control unit 207 sets 0 value as layer in layer register 905.Communication control unit The continuous reception failure number that 207 pairs of continuous reception failure number registers 906 are stored resets.

In addition, display control section 208 make display device 5 show chronometric data register 902 stored chronometric data, table Show the information of reception state and battery status.Here, in the display content of the display panel P of display device 5, such as include base In the display of the am/pm of morning display segment P1 and display segment P2 in afternoon, based on hour display segment P4, compartmented P5, point aobvious Show a section P6, second display segment P7, moon display segment P14, day display segment P15 and Hour Minute Second week date in week display segment P16 Display, the slave smart phone based on BLE marker field P10 achieve the display of time information, based on the low coverage for receiving level section P12 Display from the reception situation for communicating electric wave and the detection based on the voltage detector 6 inputted via voltage data input unit 80 The display etc. of the power supply status of value.

In addition, automatically selecting makes in female equipment mode switching female equipment mode and the two modes of sub- equipment mode In the case where obtaining time information with which of long wave reception and BLE reception, such as the long wave of the step S102 in Fig. 6 connects In the case where receiving processing failure, female equipment mode short-range communication processing of step S103 can also be executed.In another example, The long wave of step S102 can be executed in the case where female equipment mode short-range communication processing failure of the step S103 of Fig. 6 Reception processing.

Fig. 9 is the figure for showing an example of the short distance reception processing in the sub- equipment mode of present embodiment.It is shown in Fig. 9 Processing is the sub- equipment mode short distance reception processing of step S104 shown in fig. 6.

Step S400: communication control unit 207 starts RF circuit 9.

Step S401: communication control unit 207 determines whether RF circuit 9 has received short distance time-ofday signals.Communication control (the step S401 in the case where being determined as that RF circuit 9 has received short distance time-ofday signals of portion 207；It is), it is taken from decoder 50 Obtain reference instant information B.Then, processor 20 executes the processing of step S402.

On the other hand, in the case where communication control unit 207 is determined as that RF circuit 9 does not receive short distance time-ofday signals (step S401；It is no), processor 20 executes the processing of step S405.

Step S402: whether the intensity that signal strength determination unit 201 determines to receive signal is defined threshold value or more.This In, in the case where being initially received reception signal after RF circuit 9 starts movement, signal strength determination unit 201 determines RF electricity The intensity for the reception signal that road 9 receives.

Signal strength determination unit 201 makes signal strength acquisition unit 60 obtain the intensity for receiving signal that RF circuit 9 receives. Signal strength determination unit 201 determine signal strength acquisition unit 60 acquired by reception signal intensity whether be as defined in threshold value with On.Here, it is specified that threshold value be, for example, -90dBm.

Such as the distance between benchmark sending device and the time set C as sub- equipment and base are investigated by testing Relationship between the successful receiving rate of quasi- time-ofday signals, to predefine the defined threshold of the intensity for determining to receive signal Value.

(the step in the case where the intensity that signal strength determination unit 201 is judged to receiving signal is defined threshold value or more S402；It is), processor 20 executes the processing of step S403.On the other hand, it is judged to receiving letter in signal strength determination unit 201 Number intensity be not as defined in it is more than threshold value in the case where (step S402；It is no), processor 20 executes the processing of step S407.

Step S403: benchmark sending device determining section 202 determines benchmark sending device.Here, benchmark sending device determines For example data are specified to determine benchmark sending device by the reception channel that setting receives channel register 903 in portion 202.

Benchmark sending device determining section 202 makes communication control unit 207 obtain transmission channel letter according to reference instant information B Breath.Benchmark sending device determining section 202 sets communication control unit 207 by the transmission channel that acquired transmission channel information indicates It is set to the specified data of reception channel for receiving channel register 903.

Benchmark sending device determining section 202 makes communication control unit 207 obtain layer information according to reference instant information B.Benchmark Sending device determining section 202 sets communication control unit 207 in layer register 905 to the layer of acquired layer information expression Value of the value as layer obtained by value adds 1.

The continuous reception failure number that communication control unit 207 stores continuous reception failure number register 906 carries out It resets.

Step S404: correction portion 204 corrects chronometric data.Correction portion 204 obtains reference instant letter from communication control unit 207 Cease B.Information at the time of correction portion 204 is included according to the reference instant information B of acquirement, deposits chronometric data register 902 The chronometric data of storage is modified.In this way, reference instant information B be used to correct chronometric data.

In addition, in step s 404, display control section 208 makes display device 5 show that chronometric data register 902 is stored Revised chronometric data, indicate reception state and battery status information.Here, the display panel P's of display device 5 It shows in content, such as the display comprising the am/pm based on morning display segment P1 and display segment P2 in afternoon, aobvious based on hour Show a section P4, compartmented P5, divide display segment P6, second display segment P7, moon display segment P14, day display segment P15 and week display segment P16 Hour Minute Second week date display, based on receive level section P12 short-range communication electric wave reception situation display and The display etc. of the power supply status of detected value based on the voltage detector 6 inputted via voltage data input unit 80.

Step S405: whether the judgement of communication control unit 207 have passed through the stipulated time from starting RF circuit 9.Here, it is specified that Time is, for example, 24 hours.But, it is specified that the time can also be changed according to the number of plies of timekeeping system S.

(the step S405 in the case where being judged to have passed through the stipulated time from starting RF circuit 9 of communication control unit 207； It is), execute the processing of step S406.On the other hand, communication control unit 207 is being determined as from starting RF circuit 9 without rule (step S405 in the case where fixing time；It is no), the processing of step S401 repeatedly.

Step S406: communication control unit 207 executes timeout treatment.Communication control unit 207 is to 208 supply schedule of display control section Show the signal of the reception failure of reference instant signal.

The signal that display control section 208 is supplied according to communication control unit 207 makes display device 5 utilize antenna marker field P11 With the reception failure for receiving level section P12 display reference instant signal.Here, display device 5 for example dodges antenna marker field P11 It sparkles and makes to receive level section P12 extinguishing.User can also be in response to time set C to the feelings of the reception failure of reference instant signal Condition changes and resets the position of time set C.

Step S407: signal strength determination unit 201 makes communication control unit 207 give up the reference instant obtained from decoder 50 Information B.

Step S408: the intensity that communication control unit 207 makes the display of display control section 208 receive signal is less than defined threshold Value.Communication control unit 207 supplies the signal that the intensity for indicating to receive signal is less than defined threshold value to display control section 208.

The signal that display control section 208 is supplied according to communication control unit 207 makes display device 5 utilize antenna marker field P11 The intensity of signal is received less than defined threshold value with level section P12 display is received.Here, display device 5 for example lights antenna mark Remember section P11, the antenna for receiving level section P12 label is made to light 1.Here, display device 5 can also only make to receive level section 1 flashing in the day wire tag of P12.

In this way, in the case where the intensity that signal strength determination unit 201 is judged to receiving signal is less than specified value, display dress It sets 5 displays and receives the intensity of signal less than specified value.

(movement when usual)

In common movement, the chronometric data acquisition unit 30 of control unit 11 is whenever the oscillator signal using quartz vibrator 10 When measuring certain time (such as 50ms), the timer interrupt signal for being used to update the measurement moment is supplied to processor 20.Response In the timing signal, processor 20 starts processing shown in Fig. 10.

Figure 10 be show present embodiment it is usual when timing processing an example figure.

Step S500: the chronometric data that timing unit 205 stores chronometric data register 902 is updated.

Step S501: timing unit 205 makes display control section 208 execute the processing such as display information update of display device 5.

In addition, being sent to processor 20 for connecing when timing unit 205 is often measured by stipulated time (such as 500ms) Receive the timer interrupt signal of reference instant signal.

In response to the timer interrupt signal, processor 20 starts to handle shown in Figure 11.

Figure 11 be show present embodiment sub- equipment it is usual when at the time of amendment processing an example figure.

Step S600: communication control unit 207 determines whether to meet rerouting condition.Here, rerouting condition refers to Such as reference instant signal can not be received from benchmark sending device more than the defined time.Here, it is specified that time be, for example, 24 hours.Event can not have occurred from e.g. benchmark sending device the case where the reception of benchmark sending device more than the defined time Barrier or battery exhaust the case where waiting obstacles.

In addition, the condition of rerouting is also possible to receive number as defined in reference instant Signal Fail from benchmark sending device More than.Here, it is specified that number be, for example, 8 times.

Step S601: communication control unit 207 determine current time whether be benchmark time-ofday signals reception timing.

Here, the value and reception channel of the layer for the own device that communication control unit 207 is stored based on layer register 905 The reception channel that register 903 is stored calculates according to above-mentioned formula (1) and receives timing.It receives timing and refers to benchmark sending device Transmission timing.

Communication control unit 207 obtains the chronometric data that chronometric data register 902 is stored.207 pairs of communication control unit meters Receiving for calculating is periodically compared with the current time of acquired chronometric data expression, determines whether current time is to connect At the time of before the defined time of receipts timing.Here, it is specified that time be, for example, 2 seconds.

(the step in the case where being determined as that current time is the reception timing of reference instant signal of communication control unit 207 S601；It is), execute the processing of step S602.On the other hand, communication control unit 207 is when being determined as current time not is benchmark Carve signal reception timing in the case where (step S601；It is no), execute the processing of step S605.

Step S602: communication control unit 207 makes RF circuit 9 receive reference instant signal.Here, communication control unit 207 makes RF circuit 9 receives reference instant signal during 4 seconds maximum.

Communication control unit 207 obtains reference instant information B from decoder 50.

Step S603: signal determining portion 203 determines whether the reception as reference instant signal for receiving RF circuit 9 Signal is used for the amendment of chronometric data.The reference instant signal that signal determining portion 203 is for example received according to RF circuit 9 whether be Reception signal that the benchmark sending device determined by the benchmark sending device determining section 202 receives is determined.

Signal determining portion 203 obtains reference instant information B from communication control unit 207.The base of the 203 pairs of acquirements in signal determining portion The transmission channel and receive the reception that channel register 903 is stored that the transmission channel information that quasi- time information B is included indicates The reception channel that channel specifies data to indicate is compared.

The transmission channel and receive the specified data of channel that channel information indicates are sent what reference instant information B was included Under the reception channel unanimous circumstances of expression, signal determining portion 203 be determined as the reference instant signal that RF circuit 9 receives be from The reception signal that the benchmark sending device that benchmark sending device determining section 202 determines receives.In this case, signal determining portion 203 by receive signal determining be the amendment for being used for chronometric data.

On the other hand, the transmission channel and receive channel that channel information indicates are sent what reference instant information B was included In the case that the reception channel that specified data indicate is inconsistent, when signal determining portion 203 is determined as the benchmark that RF circuit 9 receives Carving signal is not the reception signal that the benchmark sending device determined from benchmark sending device determining section 202 receives.In this case, Signal determining portion 203 is the amendment for being not used in chronometric data by signal determining is received.

Signal determining portion 203 is to be used in the reception signal determining as reference instant signal for receiving RF circuit 9 (step S603 in the modified situation of chronometric data；It is), reference instant information B is supplied to correction portion 204.Then, it handles The processing of the execution of device 20 step S604.

On the other hand, sentence in the reception signal as reference instant signal that signal determining portion 203 receives RF circuit 9 It is set in the modified situation for being not used in chronometric data (step S603；It is no), processor 20 executes the processing of step S609.

In this way, signal determining portion 203 will come from after benchmark sending device determining section 202 has determined benchmark sending device The signal determining that receives for the benchmark sending device that benchmark sending device determining section 202 determines is the amendment for chronometric data.Separately On the one hand, after benchmark sending device determining section 202 has determined benchmark sending device, signal determining portion 203 will be from as base The reception signal determining of the time set C of sending device other than the benchmark sending device that quasi- sending device determining section 202 determines For the amendment for being not used in chronometric data.

Step S604: the reference instant information B that correction portion 204 is supplied according to signal determining portion 203, chronometric data is deposited The chronometric data that device 902 is stored is updated.

Step S605: communication control unit 207 determine current time whether be benchmark time-ofday signals transmission timing.

Here, the value and transmission channel of the layer for the own device that communication control unit 207 is stored based on layer register 905 The transmission channel that register 904 is stored calculates transmission timing according to above-mentioned formula (1).Communication control unit 207 obtains chronometric data The chronometric data that register 902 is stored.Communication control unit 207 is to calculated transmission timing and acquired chronometric data The current time of expression is compared, determine current time whether be benchmark time-ofday signals transmission timing.

(the step in the case where communication control unit 207 is determined as that current time is the transmission timing of reference instant signal S605；It is), execute the processing of step S606.On the other hand, when it is benchmark that communication control unit 207, which is determined as current time not, Carve signal transmission timing in the case where (step S605；It is no), processor 20 ends processing.

Step S606: timing unit 205 generates reference instant information B.Timing unit 205 is stored according to layer register 905 The value for the layer that layer information indicates sends the transmission channel, the meter that send the specified data of channel and indicate that channel register 904 is stored When the chronometric data that is stored of data register 902 information and indicate to receive what channel register 903 was stored at the time of indicate The information etc. of the information source of time information generates reference instant information B.

The reference instant information B of generation is supplied to communication control unit 207 by timing unit 205.

Step S607: communication control unit 207 makes RF circuit 9 send reference instant signal.Here, communication control unit 207 makes Encoder 40 encodes the reference instant information B that timing unit 205 supplies and is supplied to RF circuit 9.

Step S608: processor 20 executes rerouting processing.Rerouting processing refers to following processing: sending out with benchmark In the case where sending the disconnecting between device, signal is received again, will have sent the sending device weight of the reception signal New determine is benchmark sending device.2 illustrate the specific example for re-routing processing referring to Fig.1.

Processor 20 executes the processing of step S601 when executing rerouting processing.

Step S609: signal determining portion 203 makes communication control unit 207 give up the reference instant information obtained from decoder 50 B。

Figure 12 is the figure for showing an example of rerouting processing of present embodiment.It is determined as in the step S600 of Figure 11 In the case where meeting rerouting condition, the processing of rerouting shown in Figure 12 is executed.

In addition, step S701, step S702, step S703, step S704, step S705, step S706, step S707 and It is managed everywhere in step S708 and step S401, the step S402, step S403, step S404, step S405, step in Fig. 9 It manages identical everywhere in S406, step S407 and step S408, therefore is omitted the description in addition to different piece.

Step S700: communication control unit 207 executes reset processing.Here, reset processing refers to that deletion receives channel deposit The layer data that the reception channel that device 903 is stored specifies data and layer register 905 to be stored.In addition, in point of chronometric data Value be such as 10 points in the case where, communication control unit 207 execute reset processing.

Then, processor 20 is connect by managing everywhere in step S701~step S708 from other benchmark sending devices The collection of letters number, is modified chronometric data.

But in step S705, defined time until the timeout treatment for executing step S706 and the step of Fig. 9 The defined time in S405 is different.The defined time in step S705, until the timeout treatment for executing step S706 For example, 10 minutes.That is, from chronometric data point value be 10 points when, to the road again for executing Figure 12 during for 20 points By handling.

In the case where meeting rerouting condition in the step S600 of Figure 11, the rerouting processing of Figure 12 is executed.Cause This, is according to step S703, in the case where disconnecting between benchmark sending device, benchmark sending device determining section 202 The sending device that the intensity that signal strength determination unit 201 is judged to receiving signal is defined threshold value or more is redefined as base Quasi- sending device.

In addition, processor 20 executes manual reception in the case where operating to the RECV switch for being set to switching group 8 Processing.It is identical as rerouting processing shown in Figure 12 that processing is received manually.Therefore, in manual reception processing, with Figure 12's Step S702 is same, in the case where RF circuit 9 is had received and receiving manually and receives signal, signal strength determination unit The intensity for the reception signal that 201 pairs of RF circuits 9 receive determines.

(display control movement)

Processor 20 is for example handled by the periodic interruptions of every 500ms, and display control processing shown in Figure 13 is executed.

Figure 13 is the figure for showing an example of display control processing of present embodiment.

Step S800: timing unit 205 makes display device 5 show current time via display control section 208.Here, timing The chronometric data that chronometric data register 902 is stored is supplied to display control section 208 by portion 205.

Step S801: whether the judgement of communication control unit 207 had received reference instant information within past 24 hours.This In, it is that communication control unit 207 is stored according to continuous reception failure number register 906, can not continuously receive from upper layer The number of reference instant information B of time set C determined.

Communication control unit 207 be determined as in the case where having received reference instant information within past 24 hours (step Rapid S801；It is), execute the processing of step S802.On the other hand, it was determined as within past 24 hours in communication control unit 207 (step S801 in the case where not receiving reference instant information；It is no), processor 20 terminates display control processing.

Step S802: communication control unit 207 makes display device 5 light TL marker field P3 via display control section 208.

As described above, the time set C of present embodiment has receiving unit (communication control unit 207), signal Intensity determination unit 201, benchmark sending device determining section 202, signal determining portion 203, correction portion 204 and timing unit 205.

Receiving unit (communication control unit 207) is received comprising for correcting the reference instant information B of chronometric data and by sending The reference instant signal that device (the time set C of upper layer) is sent is as reception signal.

Signal strength determination unit 201 determines the intensity for the reception signal that receiving unit (communication control unit 207) receives.

The intensity that signal strength determination unit 201 is judged to receiving signal is defined by benchmark sending device determining section 202 Sending device (the time set C of upper layer) more than threshold value determines to be benchmark sending device.

After benchmark sending device determining section 202 has determined benchmark sending device, signal determining portion 203 will be sent out from benchmark The signal determining that receives for the benchmark sending device for sending device determining section 202 to determine is the amendment for chronometric data, and in the future Sending device (the time set C of upper layer) from other than the benchmark sending device that benchmark sending device determining section 202 determines Receiving signal determining is the amendment for being not used in chronometric data.

Using the structure, in the time set C of present embodiment, it is being determined that the intensity for receiving signal is defined threshold After benchmark sending device more than value, the modified reception signal for being used for chronometric data can be received from the benchmark sending device, Therefore it can stablize time of reception information.

In addition, in the case where being initially received reception signal after receiving unit (communication control unit 207) starts movement, letter Number intensity determination unit 201 determines the intensity for the reception signal that receiving unit (communication control unit 207) receives.

It, can be the case where being initially received reception signal in the time set C of present embodiment using the structure Under to receive signal intensity determine, therefore with whenever receive receive signal when just to receive signal intensity sentence Fixed situation is compared, and can reduce processing load.

In addition, benchmark sending device determining section 202 will be believed in the case where disconnecting between benchmark sending device The intensity that number intensity determination unit 201 is judged to receiving signal is that (timing of upper layer fills for the sending device of defined threshold value or more Set C) it redefines as benchmark sending device.

Using the structure, in the time set C of present embodiment, even if in connection between benchmark sending device It also can be the sending device (time set of upper layer of defined threshold value or more from the intensity for receiving signal in the case where disconnected C) receive be used for chronometric data modified reception signal, therefore even if the disconnecting between benchmark sending device feelings Under condition, it can also stablize time of reception information.

In addition, in the case where receiving unit (communication control unit 207) is had received and receiving manually and receives signal, letter Number intensity determination unit 201 determines the intensity for the reception signal that receiving unit (communication control unit 207) receives.

Using the structure, in the time set C of present embodiment, even if by receiving manually from new sending device (the time set C of upper layer) receive receive signal in the case where, also can from receive signal intensity be defined threshold value with On sending device (the time set C of upper layer) receive the modified reception signal for being used for chronometric data, therefore even if logical It crosses in the case where receiving receive signal from new sending device (the time set C of upper layer) manually, can also stablize and connect Receive time information.

In addition, the time set C of present embodiment also has display device 5.

In the case where the intensity that signal strength determination unit 201 is judged to receiving signal is less than specified value, display device 5 is aobvious Show that the intensity for receiving signal is less than specified value.

Using the structure, in the time set C of present embodiment, it can show that the intensity for receiving signal is less than regulation Value, therefore user can learn that the intensity for receiving signal is less than specified value.

In addition, the timekeeping system S of present embodiment has multiple time set C.

Using the structure, in the timekeeping system S of present embodiment, each time set C can stablize time of reception information, Therefore at the time of being able to maintain that accurate.

In addition, in the above-described embodiment, to using BLE to be illustrated as the case where wireless near field communication, but As wireless near field communication, WiFi (Wireless Fidelity: Wireless Fidelity), ZigBee (registrar also can be used Mark), EnOcean (registered trademark), other communications such as specific low-power wireless.

In addition, being that " clock and watch " system is illustrated, but the present invention is unlimited to timekeeping system S in the above-described embodiment In so-called " clock and watch " with moment display function, additionally it is possible to be widely used in having the device of clocking capability, element (include IC (Integrated Circuit: integrated circuit) or label) and system.

Alternatively, it is also possible to use a part of the time set C in computer realization above embodiment, such as control unit 11.At this point, can also by will be recorded in computer-readable recording medium for realizing the program of the control function, and The program being recorded in the recording medium is read into computer system and execution to realize.In addition, " computer described herein System " refers to the computer system for being built in time set C, it is assumed that includes the hardware such as OS or peripheral equipment.In addition, " computer The recording medium that can be read " refers to the removable mediums such as floppy disk, magneto-optic disk, ROM, CD-ROM, it is built-in in computer systems The storage devices such as hard disk.Also, " computer-readable recording medium " can also include following recording medium: such as via mutual The communication line when communication lines such as networks or telephone line such as networking transmission program is such, and dynamic keeps program in a short time Recording medium, and the volatile memory of the inside computer system as become server or client at this time, one The recording medium for interior holding program of fixing time.Also, above procedure can be used to implement part of functions above-mentioned, and can also Function above-mentioned is realized in enough combinations by with the program being already recorded in computer system.

In addition, part or all of the time set C in above embodiment can also be used as LSI (Large Scale Integration: large scale integrated circuit) etc. integrated circuits realize.Each functional block of time set C can separately made place Device is managed, part or all can also be integrated and processor is made.In addition, the method for integrated circuit is not limited to LSI, It can also be realized by special circuit or general processor.In addition, there is substitution LSI in the progress due to semiconductor technology Integrated circuit technology in the case where, the integrated circuit based on the technology also can be used.

More than, an embodiment of the invention is described in detail referring to attached drawing, but specific structure is not limited to Above structure can carry out various design alterations etc. without departing from the scope of the subject in the invention.

Claims

1. a kind of time set, includes

Receiving unit receives the reference instant signal sent by sending device as signal is received, wherein the reference instant is believed Number include reference instant information for correcting chronometric data；

Signal strength determination unit determines the intensity for the reception signal that the receiving unit receives；

The signal strength determination unit is determined as that the intensity for receiving signal is defined by benchmark sending device determining section The sending device more than threshold value determines to be benchmark sending device；

It signal determining portion will be from described after the benchmark sending device determining section has determined the benchmark sending device The reception signal determining of benchmark sending device is the amendment for the chronometric data, and will be sent from the benchmark The reception signal determining of the sending device other than device is the amendment for being not used in the chronometric data；

Correction portion, when the benchmark that the reception signal shown according to the judgement result in the signal determining portion is included Information is carved, the chronometric data is modified；And

Timing unit carries out timing according to the revised chronometric data of the correction portion.

2. time set according to claim 1, wherein

In the case where being initially received the reception signal after the receiving unit starts movement, the signal strength determination unit The intensity for the reception signal that the receiving unit receives is determined.

3. time set according to claim 1 or 2, wherein

In the case where disconnecting between the benchmark sending device, the benchmark sending device determining section is by the letter Number intensity determination unit is determined as that the intensity for receiving signal is that the sending device of defined threshold value or more is redefined as Benchmark sending device.

4. time set according to any one of claims 1 to 3, wherein

In the case where the receiving unit receives the reception signal and receiving manually, the signal strength determination unit pair The intensity for the reception signal that the receiving unit receives is determined.

5. time set described in any one according to claim 1~4, wherein

The time set also has display unit, is determined as the case where intensity is less than specified value in the signal strength determination unit Under, the display unit shows that the intensity is less than specified value.

6. a kind of timekeeping system, with time set described in any one in multiple Claims 1 to 5.

7. a kind of clocking method, has follow steps:

Receiving step receives the reference instant signal sent by sending device as signal is received, wherein the reference instant is believed Number include reference instant information for correcting chronometric data；

Signal strength determination step determines the intensity of the reception signal received in the receiving step；

Benchmark sending device determines step, will be determined as that the intensity for receiving signal is in the signal strength determination step The sending device more than defined threshold value determines to be benchmark sending device；

Signal determining step will come from after the benchmark sending device determines and the benchmark sending device has been determined in step The reception signal determining of the benchmark sending device is the amendment for the chronometric data, and will come from the benchmark The reception signal determining of the sending device other than sending device is the amendment for being not used in the chronometric data；

Amendment step, the benchmark that the reception signal shown according to the judgement result of the signal determining step is included Time information is modified the chronometric data；And

Timed process carries out timing according to the chronometric data revised in the amendment step.