WO2005109120A1 - Funkgesteuerte armbanduhr mit mitteln zum dekodieren von signalen von zeitzeichensedern aus mehreren zeitzonen - Google Patents
Funkgesteuerte armbanduhr mit mitteln zum dekodieren von signalen von zeitzeichensedern aus mehreren zeitzonen Download PDFInfo
- Publication number
- WO2005109120A1 WO2005109120A1 PCT/EP2005/000447 EP2005000447W WO2005109120A1 WO 2005109120 A1 WO2005109120 A1 WO 2005109120A1 EP 2005000447 W EP2005000447 W EP 2005000447W WO 2005109120 A1 WO2005109120 A1 WO 2005109120A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- time
- radio
- time signal
- reception
- wristwatch
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/08—Setting the time according to the time information carried or implied by the radio signal the radio signal being broadcast from a long-wave call sign, e.g. DCF77, JJY40, JJY60, MSF60 or WWVB
- G04R20/10—Tuning or receiving; Circuits therefor
Definitions
- Radio-controlled wristwatch with means for decoding signals from time signal transmitters from several time zones.
- the invention relates to a radio-controlled wristwatch with means for decoding signals of time signal transmitters from a plurality of time zones according to the features of the preamble of claim 1.
- Radio-controlled clocks in which the time is displayed analogously to conventional handsets or digitally with a digital display and the information for the current time is obtained from received signals from time signal transmitters are well known.
- the received signals of the timepiece transmitters are radio frequency signals broadcast by local authorities of various countries to provide official local time information that enables individuals to synchronize their watches and timepieces.
- Existing RF timing signals include e.g. in Germany the DCF signal, in the United Kingdom the MSF signal, in the United States of America the WWVB signal and in Japan the JJY40 signal and the JJY60 signal. These signals are amplitude-modulated signals with different carrier frequencies and different data protocols.
- radio controlled clocks are only suitable for receiving a single time signal transmitter and thus can not be used in different countries, i. in the range of different time zones, are used.
- DE 103 15 429 A1 already describes a radio-controlled clock that can receive the time signal signals of different time signal transmitters in different countries and different time zones and thus display the current time in different time zones in a radio-controlled manner.
- the radio-controlled clock has for this purpose a relatively voluminous housing, in which both the display unit and three different decoder for decoding the different time signal signals is housed. These decoders are controlled by a CPU control unit.
- a first decoder is used to decode the DCF and MSF signals to decode the 77.5 kHz DCF radio signals and the 60 kHz MSF radio signals.
- a second decoder is provided for decoding the WWVB radio signal at 60 kHz and a third decoder is for decoding the Japanese JJY radio signals at 60 kHz and 40 kHz, respectively.
- the display device is an LCD display. Different antenna modules can be connected to the housing from the outside. Depending on which If the radio module is just connected, the electronics of the radio clock will attempt to receive and decode the associated time signal signals.
- the problem with this radio clock is that the antenna modules must be replaced manually. For this, the operator has the choice between three antenna modules.
- the first antenna module is designed to receive DCF RF time signals at carrier frequencies of 77.5 kHz.
- the second antenna module is designed to receive MSF-WWVB-JJY60 RF timing signals at a carrier frequency of 60 kHz, regardless of the type of code selected, and the third antenna module is designed to carry JJY40 RF carrier frequency signals of 40 kHz can receive.
- the manual change of the antenna modules is not very user-friendly.
- the operator must always ensure that the right antenna module is connected to the radio clock in the respective reception area of a time signal transmitter.
- Such a manual replacement of the antenna modules is very disturbing and also very space-consuming, in particular for frequent traveling business people who frequently change between the time zones, since all antenna modules must always be carried along in order to ensure a radio signal reception of the respectively active time transmitter in the respective time zones ,
- Radio-controlled watches are to the knowledge of the Applicant of the Japanese company Citizen in use.
- the watches developed by this company can receive only the Japanese time signal transmitters JJY40 and JJY60 and thus only time transmitter within the Japanese time zone.
- the Japanese company Casio have developed radio-controlled wristwatches that switch between the Japanese and the American time zone and thus between two time zones and should be able to receive the Japanese transmitters JJY40 and JJY60 and the US station WWVB.
- the switching of the time signal transmitter to be received must be done manually by the watch carrier for these watches between the Japanese and the American time zone.
- the present invention has the object of a radio-controlled
- the invention is based essentially on the fact that a memory unit is provided in the radio-controlled wristwatch, in in which a table of at least four time signal transmitters from more than two time zones is stored, and by means of a control device reception attempts to the transmitters stored in the table are carried out automatically. If a time signal sender is successfully received from the table, the corresponding decoded time is displayed analog or digital on the display of the wristwatch.
- the radio-controlled wristwatch is equipped with a receiving device which can switch over switched quartzes between the required carrier frequencies of the possible time signal transmitters.
- the stored in the table Zei signal transmitter are grouped by time zones. This has the advantage that in a previously determined time zone in which the radio-controlled wristwatch is located, only those time signal transmitters of this time zone are queried for possible successful reception attempts. A faster time signal transmitter reception is thereby ensured in comparison to the solution in which all time signal transmitters stored in the table are queried for possible receivable signals.
- a quartz time base is arranged, which allows a quartz-accurate display of the clock.
- Such a quartz-accurate display of the clock is necessary if no radio signals from time signal transmitters can be received at all.
- FIG. 1 is a block diagram of a radio-controlled wristwatch according to the invention
- FIG. 2 shows a flow chart for an exemplary embodiment of a radio-controlled wristwatch according to the invention
- Fig. 3 is a flowchart for another embodiment of a radio-controlled wristwatch and 4 is a detailed flowchart of the embodiment of FIG. 3.
- FIG. 1 shows a block diagram of a radio-controlled wristwatch 20, which has an antenna 22 with a downstream, switchable receiving device 24 for receiving signals from time signal transmitters 1, 2... 10 from different time zones A, B.
- the switchability of the receiving device 24 to different carrier frequencies is illustrated symbolically in FIG. 1 by switchable quartz 25.
- the switching is controlled by a control device 28.
- the output of the receiving device 24 is connected to a decoder 26, by means of which the received time signal signals can be decoded.
- Information for a display 32 of the radio-controlled clock 20 is generated from the decoded time signals of the received signal.
- the display can be made analogue by means of pointers or digitally by means of digital displays.
- the control device 28 is connected to a memory device 30 in which, inter alia, a table with a plurality of information on different time signal transmitters are stored.
- the control device 28 controls the receiving device 25 and the decoder 26 in a manner to be explained on the basis of this information stored in the table.
- the radio-controlled wristwatch 20 has a switch 34 which is in contact with the control device 28. About this switch 34, an operator can set the time zone in which he is currently on the radio clock 20. The information about the correct time zone is advantageous in order, if necessary, to provide for receiving time-signature signals faster than usual.
- FIG 1 two possible embodiments of the mentioned table of the memory device 30 are shown below. On the left is a single-column table with M rows corresponding to memory locations. A plurality of time signal transmitters are sequentially stored in the M lines, for example in the order DCF, MSF, WBVB, JJY40, JJY60, X, Y, Z, VW etc.
- the stored table has eight rows and N columns.
- the individual transmitters are filed in columns in the time zones A, B to N grouped.
- time zone A which corresponds, for example, to the European time zone
- the time signal transmitters DCF, MSF, XY are stored one after the other.
- the remaining memory slots are still available for the time zone A in the left column.
- the time signal transmitters WWVB and Z are stored one after the other.
- the remaining memory slots are free.
- the rightmost column of the second embodiment e.g. for the Japanese time zone N, three time signal transmitters are placed one after the other, namely
- JJY40, JJY60 and V The other memory locations are free and can be occupied if necessary, if, for example, additional time signal transmitters should start their operation.
- FIG. 2 illustrates a first possible functional sequence for the operation of the radio-controlled wristwatch on the basis of a foot chart.
- the radio clock is technically designed so that you can select from several time signal transmitters for synchronization. Regardless of the time zone set, the radio-controlled clock will try to receive one of the time-sign transmitters stored in the table worldwide.
- the function starts as follows.
- the receiver is turned on, for example, by inserting the battery or turning on the power. If the clock is already running, the reception, for example, regularly at a certain time, for example, two o'clock at night, activated to adjust the clock radio controlled or correct if necessary.
- the time zone in which the radio-controlled clock is set expediently determined.
- the control device 28 queries whether signals of the time signal transmitter JJY40 are received. If reception is possible, the clock will be synchronized and the time on the display adjusted accordingly. Subsequently, the receiver is turned off, for example, to be turned on again at certain intervals.
- a reception attempt is made for the time signal transmitter JJY60. If reception is possible there, the clock is synchronized accordingly and the time is set. If reception of the time signal transmitter JJY60 is also not possible, the mentioned procedure is repeated until a timeout counter recognizes a predetermined number of attempts as failed. The receiver is then turned off and the old time from the time memory, which is provided for example by a quartz time base in the radio clock, displayed.
- the control device (28) queries whether the time zone is set to DCF or a corresponding longitude (see Fig. 2b). If this is the case, will queried whether the reception of the time signal transmitter DCF77 is possible. If reception is possible, the clock is synchronized accordingly and the time is set and then the receiver is switched off. If no reception is possible, the timeout counter mentioned above attempts to synchronize further to the reception of the time signal transmitter DCF (77) until a predetermined time. If no reception is ultimately possible, the receiver is switched off and the old time is displayed from the time memory.
- the control device queries whether the time zone is set to WWVB and thus American time zone. If yes, it is checked if a reception of the
- Time signal sender WWVB done. If reception is possible, the clock is synchronized and the corresponding time is displayed. Then the receiver is switched off. If no reception of the time signal transmitter WWVB is possible, the timeout counter is again increased until it is definitively determined that no reception of the time signal transmitter WWVB can take place.
- the other time signal transmitters are polled in order and then examined whether a reception of a time signal transmitter is possible.
- Fig. 3 another flowchart is shown how the radio-controlled wristwatch can operate. First, it is determined again whether the receiver is turned on. The time zone is then determined. In the next step, it is asked whether any time signal transmitters are stored in the memory device 30. This is not the case, the receiver is already switched off and the "old time" in the time memory is displayed.
- time signal transmitters are stored in the memory device 30, the first transmitter of this range is selected and a reception attempt is made for this transmitter. If reception is possible, this clock will synchronize the clock and set the time. Then the receiver is switched off. If no reception is possible with the first transmitter, the control device 28 selects the next permissible time signal transmitter in the memory device 30. A reception attempt is made for this next station. If reception is possible, the clock will be synchronized accordingly and the time set. If no reception is possible, switch to the next station, etc.
- the corresponding time of the time signal transmitter is set on the radio-controlled clock.
- the clock is displayed on the display of the radio-controlled wristwatch by means of the quartz time base and is thus not radio-controlled.
- the control device 30 of the radio-controlled clock 20 has received information about the time zone, for example via the switch 34, the memory device 28 can ensure that only those are available Time signal transmitters are queried, to which the switch 34 of the radio clock 20 is connected. This means that only those time signal transmitters of a single column are queried in the table of FIG. 1 at the bottom right.
- FIG. 4 shows a more detailed flow chart for FIG. 3, which is self-explanatory.
- the efficiency of the control device (28) is increased when it is ensured on renewed reception attempts that a
- Reception is started with a time signal transmitter, at the last could be a synchronization of the clock. If no synchronization is possible with this transmitter, the next transmitter is continued from the previous table. If synchronization was not possible with all listed transmitters, the reception block is aborted and the next receive block is restarted at a later time using the same procedure. But if a reception with a new station is possible is synchronized. The reception attempts are then started at the next reception block with this transmitter.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Selective Calling Equipment (AREA)
- Electromechanical Clocks (AREA)
- Circuits Of Receivers In General (AREA)
- Transceivers (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT05701016T ATE471539T1 (de) | 2004-04-15 | 2005-01-18 | Funkgesteuerte armbanduhr mit mitteln zum dekodieren von signalen von zeitzeichensedern aus mehreren zeitzonend |
DK05701016.7T DK1735667T3 (da) | 2004-04-15 | 2005-01-18 | Radiostyret armbåndsur med midler til afkodning af signaler fra tidssignaltransmittere fra fler tidszoner |
US11/578,031 US20070201313A1 (en) | 2004-04-15 | 2005-01-18 | Radio-Controlled Wristwatch With Means For Decoding Signals From Time Signal Transmitters From A Number Of Time Zones |
EP05701016A EP1735667B1 (de) | 2004-04-15 | 2005-01-18 | Funkgesteuerte armbanduhr mit mitteln zum dekodieren von signalen von zeitzeichensedern aus mehreren zeitzonen- |
DE502005009758T DE502005009758D1 (de) | 2004-04-15 | 2005-01-18 | FUNKGESTEUERTE ARMBANDUHR MIT MITTELN ZUM DEKODIEREN VON SIGNALEN VON ZEITZEICHENSEDERN AUS MEHREREN ZEITZONENi |
PL05701016T PL1735667T3 (pl) | 2004-04-15 | 2005-01-18 | Zegarek naręczny sterowany radiowo, z środkami do dekodowania sygnałów z urządzeń nadawczych czasu, z szeregu stref czasowych |
JP2007507674A JP2007532892A (ja) | 2004-04-15 | 2005-01-18 | 複数の時間帯に属する報時信号送信局の信号を復号する手段を備える電波修正式の腕時計 |
SI200531109T SI1735667T1 (sl) | 2004-04-15 | 2005-01-18 | Radijsko krmiljena ročna ura s sredstvi za dekodiranje signalov ki prihajajo od oddajnikov časovnih signalov iz več časovnih con |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004018881A DE102004018881B4 (de) | 2004-04-15 | 2004-04-15 | Funkgesteuerte Armbanduhr mit Mitteln zum Dekodieren von Signalen von Zeitzeichensendern aus mehreren Zeitzonen |
DE102004018881.5 | 2004-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005109120A1 true WO2005109120A1 (de) | 2005-11-17 |
Family
ID=34960005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/000447 WO2005109120A1 (de) | 2004-04-15 | 2005-01-18 | Funkgesteuerte armbanduhr mit mitteln zum dekodieren von signalen von zeitzeichensedern aus mehreren zeitzonen |
Country Status (10)
Country | Link |
---|---|
US (1) | US20070201313A1 (de) |
EP (1) | EP1735667B1 (de) |
JP (1) | JP2007532892A (de) |
CN (1) | CN1930534A (de) |
AT (1) | ATE471539T1 (de) |
DE (2) | DE102004018881B4 (de) |
DK (1) | DK1735667T3 (de) |
PL (1) | PL1735667T3 (de) |
SI (1) | SI1735667T1 (de) |
WO (1) | WO2005109120A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1666995A2 (de) * | 2004-11-25 | 2006-06-07 | Seiko Instruments Inc. | Funkuhr |
EP1662344A3 (de) * | 2004-11-29 | 2006-12-20 | Oki Electric Industry Co., Ltd. | Funkempfänger und Verfahren zur Dekodierung von einer Vielzahl von standardmäßigen Funkzeitsignalen |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100744300B1 (ko) * | 2006-02-10 | 2007-07-30 | 삼성전자주식회사 | 시각 정보 관리 장치 및 방법 |
JP4650467B2 (ja) * | 2007-09-26 | 2011-03-16 | セイコーエプソン株式会社 | 時刻修正装置および時刻修正装置付き計時装置 |
JP5365012B2 (ja) * | 2008-01-29 | 2013-12-11 | セイコーエプソン株式会社 | 衛星信号受信装置および衛星信号受信装置の制御方法 |
US20100165795A1 (en) * | 2008-12-30 | 2010-07-01 | Lifescan Scotland Ltd. | Medical device with automatic time and date correction |
US20110051560A1 (en) * | 2009-09-02 | 2011-03-03 | Kam Kwong Allen Wong | Remote automatic setting of clock radio |
JP5936150B2 (ja) * | 2014-03-18 | 2016-06-15 | カシオ計算機株式会社 | 電子機器および腕時計 |
Citations (6)
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US4582434A (en) * | 1984-04-23 | 1986-04-15 | Heath Company | Time corrected, continuously updated clock |
US6266519B1 (en) * | 1998-04-24 | 2001-07-24 | Sony Corporation | Receiver |
JP2002365384A (ja) * | 2002-04-17 | 2002-12-18 | Citizen Watch Co Ltd | 電波受信機能付き電子時計 |
JP2003075561A (ja) * | 2001-08-31 | 2003-03-12 | Rhythm Watch Co Ltd | 自動修正時計 |
WO2003023526A1 (fr) * | 2001-09-10 | 2003-03-20 | Citizen Watch Co., Ltd. | Horloge radio-corrigee |
JP2003270370A (ja) * | 2002-03-15 | 2003-09-25 | Casio Comput Co Ltd | 時刻データ受信装置、及び時刻データ修正方法 |
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JPH08431U (ja) * | 1992-10-23 | 1996-02-27 | シチズン時計株式会社 | 多機能アナログ腕時計のモード切り換え構造 |
DE4446568C2 (de) * | 1994-12-24 | 1999-03-11 | Telefunken Microelectron | Autonome Funkuhr mit automatischer Zeitzonenanpassung |
DE19808431A1 (de) * | 1998-03-02 | 1999-09-09 | Junghans Uhren Gmbh | Mehrkanal-Funkuhr |
JP2002296374A (ja) * | 2001-03-30 | 2002-10-09 | Seiko Clock Inc | 時刻情報取得方法、時刻情報取得装置および電波修正時計 |
JP3632674B2 (ja) * | 2002-03-25 | 2005-03-23 | セイコーエプソン株式会社 | 電波修正時計および電波修正時計の制御方法 |
HK1050114A2 (en) * | 2002-04-04 | 2003-05-16 | Idt Lcd Holding Bvi Ltd | Radio control clock |
JP2004198290A (ja) * | 2002-12-19 | 2004-07-15 | Casio Comput Co Ltd | 時刻データ送信装置 |
JP4611892B2 (ja) * | 2003-05-20 | 2011-01-12 | シチズンホールディングス株式会社 | 電波修正腕時計、調整装置及び電波修正腕時計の調整システム |
JP4679829B2 (ja) * | 2004-03-31 | 2011-05-11 | シチズンホールディングス株式会社 | 電波修正時計及びその制御方法 |
-
2004
- 2004-04-15 DE DE102004018881A patent/DE102004018881B4/de not_active Expired - Fee Related
-
2005
- 2005-01-18 WO PCT/EP2005/000447 patent/WO2005109120A1/de active Application Filing
- 2005-01-18 AT AT05701016T patent/ATE471539T1/de active
- 2005-01-18 DK DK05701016.7T patent/DK1735667T3/da active
- 2005-01-18 DE DE502005009758T patent/DE502005009758D1/de active Active
- 2005-01-18 US US11/578,031 patent/US20070201313A1/en not_active Abandoned
- 2005-01-18 EP EP05701016A patent/EP1735667B1/de active Active
- 2005-01-18 PL PL05701016T patent/PL1735667T3/pl unknown
- 2005-01-18 CN CNA2005800080908A patent/CN1930534A/zh active Pending
- 2005-01-18 SI SI200531109T patent/SI1735667T1/sl unknown
- 2005-01-18 JP JP2007507674A patent/JP2007532892A/ja active Pending
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US4582434A (en) * | 1984-04-23 | 1986-04-15 | Heath Company | Time corrected, continuously updated clock |
US6266519B1 (en) * | 1998-04-24 | 2001-07-24 | Sony Corporation | Receiver |
JP2003075561A (ja) * | 2001-08-31 | 2003-03-12 | Rhythm Watch Co Ltd | 自動修正時計 |
WO2003023526A1 (fr) * | 2001-09-10 | 2003-03-20 | Citizen Watch Co., Ltd. | Horloge radio-corrigee |
JP2003270370A (ja) * | 2002-03-15 | 2003-09-25 | Casio Comput Co Ltd | 時刻データ受信装置、及び時刻データ修正方法 |
JP2002365384A (ja) * | 2002-04-17 | 2002-12-18 | Citizen Watch Co Ltd | 電波受信機能付き電子時計 |
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PATENT ABSTRACTS OF JAPAN vol. 2003, no. 07 3 July 2003 (2003-07-03) * |
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1666995A2 (de) * | 2004-11-25 | 2006-06-07 | Seiko Instruments Inc. | Funkuhr |
EP1666995A3 (de) * | 2004-11-25 | 2007-08-15 | Seiko Instruments Inc. | Funkuhr |
EP1662344A3 (de) * | 2004-11-29 | 2006-12-20 | Oki Electric Industry Co., Ltd. | Funkempfänger und Verfahren zur Dekodierung von einer Vielzahl von standardmäßigen Funkzeitsignalen |
US7555029B2 (en) | 2004-11-29 | 2009-06-30 | Oki Semiconductor Co., Ltd. | Method for decoding a plurality of standard radio waves and standard radio wave receiver |
Also Published As
Publication number | Publication date |
---|---|
JP2007532892A (ja) | 2007-11-15 |
US20070201313A1 (en) | 2007-08-30 |
DE102004018881A1 (de) | 2005-11-10 |
PL1735667T3 (pl) | 2010-11-30 |
CN1930534A (zh) | 2007-03-14 |
DE102004018881B4 (de) | 2006-03-02 |
EP1735667A1 (de) | 2006-12-27 |
SI1735667T1 (sl) | 2010-11-30 |
EP1735667B1 (de) | 2010-06-16 |
DK1735667T3 (da) | 2010-09-06 |
ATE471539T1 (de) | 2010-07-15 |
DE502005009758D1 (de) | 2010-07-29 |
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