EP0682302A2 - Dispositif de commande pour une montre synchronisée par radio - Google Patents

Dispositif de commande pour une montre synchronisée par radio Download PDF

Info

Publication number
EP0682302A2
EP0682302A2 EP95106831A EP95106831A EP0682302A2 EP 0682302 A2 EP0682302 A2 EP 0682302A2 EP 95106831 A EP95106831 A EP 95106831A EP 95106831 A EP95106831 A EP 95106831A EP 0682302 A2 EP0682302 A2 EP 0682302A2
Authority
EP
European Patent Office
Prior art keywords
control device
time
signals
received
clock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95106831A
Other languages
German (de)
English (en)
Other versions
EP0682302A3 (fr
EP0682302B1 (fr
Inventor
Heiko Dipl. Ing. Pilger
Robert Dipl. Ing. Belz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adam Opel GmbH
Original Assignee
Adam Opel GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Adam Opel GmbH filed Critical Adam Opel GmbH
Publication of EP0682302A2 publication Critical patent/EP0682302A2/fr
Publication of EP0682302A3 publication Critical patent/EP0682302A3/fr
Application granted granted Critical
Publication of EP0682302B1 publication Critical patent/EP0682302B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04R20/20—Setting the time according to the time information carried or implied by the radio signal the radio signal being an AM/FM standard signal, e.g. RDS
    • G04R20/24—Decoding time data; Circuits therefor

Definitions

  • the invention relates to a control device for a clock to be synchronized by radio signals, which has its own drive, with the features specified in the preamble of claim 1.
  • a control device of the above type is known from DE-OS 40 36 851.
  • a clock is synchronized by receiving and decoding RDS (Radio Data System) signals. Time information is extracted from the decoded signals and used to correct the current time of the clock.
  • RDS Radio Data System
  • information data are broadcast together with radio broadcasts from broadcasting stations. Among other things, these contain detailed information about the date and time. It is obvious to use this for the synchronization of clocks - for example in motor vehicles. It is problematic, however, that transmitting stations transmit beyond national borders and time zones, that is to say they can possibly also be received where the current time does not match that at the location of the transmitting station.
  • the device according to DE-OS 40 36 851 does not do it justice.
  • Another radio controlled clock is known from DE-OS 34 46 724.
  • the problem of correcting the time by an actuator is primarily dealt with here.
  • the starting point are time signals emitted by a long-wave transmitter.
  • the time information transmitted with any radio broadcasts should be usable for the exact correction of the time. It should be possible to use the control device worldwide, with an emphasis on user friendliness.
  • RDS signals from broadcasting stations are transmitted together with radio broadcasts. These signals contain information about the current date and time, but also about the station or its home area. In the future, such signals could also be transmitted using digital transmission systems.
  • the time and identification signals are to be decoded in the control device and extracted from the other signals. If they are not received or not received completely, there is no correction of a free-running clock which can be arranged, for example, in a motor vehicle on the radio or the dashboard.
  • the received identification signal is then compared with identification signals stored in a memory. Depending on the result of the comparison, it is current displayed time of the clock can either be corrected by less than an hour or without a correction value being limited after this time has been compared with the received time signal.
  • the identification signals of the transmitting stations located in the home country or also an identification signal of the home country of the owner of the receiver can be stored in said memory. If a stored identification signal is received, the time can be corrected without limiting the correction value, for example the summer / winter time can also be changed. If it is found in the comparison that the received identification signal is not stored (far-away transmitter is being received), the time can only be corrected by less than an hour, for example a maximum of thirty minutes. Since the time information then transmitted may be incorrect for the location of the recipient, only minutes and seconds are corrected. When traveling abroad (if the receiver is located in a motor vehicle), the memory content can be reprogrammed.
  • the identification signals it is also possible to store all or almost all of the identification signals to be received in the memory.
  • the identification signals of the transmitting stations located at the recipient's location must then be marked.
  • the correction value can then be limited depending on whether a marked or an unmarked identification signal has been received.
  • the markings can also be changed.
  • the correction of the displayed time of the free running clock is done via an adjusting unit.
  • the correction value being transmitted from the control device to the actuating unit.
  • the synchronization of quartz clocks with digital or analog display is possible.
  • a symbol on a display unit of the watch can indicate that a correction has been made. If correction of the time is undesirable, the function of the control device should also be able to be switched off.
  • the control device can be an integral part of the receiver or the clock, and the same also applies to the control unit.
  • radio signals are emitted by a transmitting station 1 (here station XY) which are received by a receiver 2.
  • the receiver should be a car radio designed as an RDS receiver 2.
  • the receiver 2 is put into operation or taken out of operation via an on / off switch 3, an associated control device 4 being activated or deactivated at the same time.
  • the control device 4 is connected to a clock 5 or to an actuating unit 6 for the clock 5.
  • the clock 5 is equipped with its own drive, wherein it is preferably designed as a quartz clock.
  • the adjusting unit 6 enables the currently displayed time T to be adjusted in a known manner on the basis of a correction value K. This is necessary because, for example, temperature fluctuations cause the clock 5 to run too slowly or too quickly.
  • the clock 5 can be arranged separately in the motor vehicle or can also be part of the receiver 2.
  • the radio signals emitted by the transmitting station 1 also contain time signals t and identification signals ID.
  • the time signals t provide information about the day, month and that in encrypted form Year and the exact time. Current information about the hour hh, minute mm and second ss is also provided, which occurs, for example, every full minute.
  • the identification signals ID are also encrypted and provide information about the home area of the transmitting station 1 and / or they identify the transmitting station 1 exactly, for example as station XY.
  • the transmission stations 1 now have different sized transmission areas. There are stations 1 that broadcast locally, regionally, nationally and internationally, which in some cases broadcast across national borders and time zones. The transmitted time information t therefore does not apply to the entire reception area of the individual stations 1. If a program is received, a probe must take place to determine whether a time signal t that is valid or invalid for the reception area is received. This function is guaranteed, among other things, by the control device 4:
  • a selection step 4.1 a query is made as to whether the control device 4 is in operation, that is to say synchronization of the clock 5 is desired at all. By actuating a switch or button, not shown in detail, the control device 4 can be put out of operation or put back into operation. If the control device 4 is in operation (on), a query is made in a second selection step 4.2 as to whether time signals t and identification signals ID have been transmitted at all. This is necessary because not all of the transmitting stations 1 are yet broadcasting this information together with the radio signals.
  • step 4.3 If the information is included (yes), it is decoded in step 4.3, the time information t being present in the form of hour / minute / second hh / mm / ss and an exact identifier of the transmitting station (XY) and / or a country code.
  • step 4.5 the identification signal ID is compared with the content of a memory 7.
  • the memory contains a large number of identification codes to be received (station 1, station 2 ...), some of which are marked with a character (>).
  • the codes of the transmitting stations 1 are marked in the memory 7, the time information t of which is correct for the reception area.
  • the remaining foreign broadcasting stations, for example far away, are unmarked. Markings can either be installed before the system is delivered to a customer, or can be freely programmed or reprogrammed by the customer.
  • a diagnostic interface (not shown here) is provided, via which the program of the control device 4 can be read in and out.
  • step 4.6 a program branch takes place, which takes place depending on the result of the comparison in step 4.5.
  • the correction value K can be completely passed on to the control unit 6 in the form hh / mm / ss.
  • this correction value K can then be 59 minutes and 59 seconds. Since it is unlikely that the clock 5 will go wrong by approximately one hour, it can be done after the work step 4.7 can also be provided that the correction value K, which results from the radio signal of an unmarked transmitter 1, is limited to a maximum of thirty minutes. This is not shown in the figure.
  • the correction value ⁇ K (mm / ss) is expanded to ⁇ 60/00 depending on the sign.
  • the additional value to - 60/00 is - 05/40.
  • the clock 5 After the transmission of the correction value K (or K '), the clock 5 is adjusted via the setting unit 6, so that it then goes correctly. No more time-consuming reading of operating instructions and programming is necessary to adjust the clock 5. It is sufficient to briefly switch on the receiver 2 to initiate the correction. A correction is briefly signaled by a symbol on the display unit of clock 5. The changeover from summer to winter time and vice versa takes place when receiver 2 receives a home station. When radio signals from far-away transmission stations 1 are received, the current time T of the clock 5 is only corrected in the minute range.
  • the control device 4 accommodated in the receiver 2 or the clock 5 is to be designed as an extremely space-saving electronic circuit and preferably consists of a decoder, a comparator, the memory 7, a filter and a read / write memory and a data bus.
  • the detailed design of the circuit will not be described in detail here, since there are a large number of technical options.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP95106831A 1994-05-13 1995-05-05 Dispositif de commande pour une montre synchronisée par radio Expired - Lifetime EP0682302B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4416869 1994-05-13
DE4416869A DE4416869A1 (de) 1994-05-13 1994-05-13 Steuereinrichtung für eine durch Funksignale zu synchronisierende Uhr

Publications (3)

Publication Number Publication Date
EP0682302A2 true EP0682302A2 (fr) 1995-11-15
EP0682302A3 EP0682302A3 (fr) 1997-02-26
EP0682302B1 EP0682302B1 (fr) 1998-07-29

Family

ID=6518029

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95106831A Expired - Lifetime EP0682302B1 (fr) 1994-05-13 1995-05-05 Dispositif de commande pour une montre synchronisée par radio

Country Status (2)

Country Link
EP (1) EP0682302B1 (fr)
DE (2) DE4416869A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818720A1 (fr) * 1996-07-10 1998-01-14 Matsushita Electric Industrial Co., Ltd. Radio portative avec fonction d'affichage du temps
EP1043638A2 (fr) * 1999-04-09 2000-10-11 Casio Computer Co., Ltd. Dispositif électronique avec function garde-temps, méthode de correction du temps et moyens d' enregistrement
EP1253488A1 (fr) * 2001-04-27 2002-10-30 C.S.E.M. Centre Suisse D'electronique Et De Microtechnique Sa Garde-temps avec mise à l'heure automatique et procédé de mise à l'heure d'un tel garde-temps
WO2004043050A1 (fr) * 2002-11-07 2004-05-21 Koninklijke Philips Electronics N.V. Recepteur radio mobile a precision en temps reel amelioree
EP1426839A1 (fr) * 2001-09-10 2004-06-09 Citizen Watch Co. Ltd. Horloge radio-corrigee
EP1465027A2 (fr) * 2003-03-31 2004-10-06 Seiko Epson Corporation Pièce d'horlogerie contrôlée par radio et méthode de contrôle pour celle-ci

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730553A1 (de) * 1997-07-17 1999-01-21 Valeo Borg Instr Verw Gmbh Funkuhr für Kraftfahrzeuge
DE10056548A1 (de) * 2000-11-15 2002-06-06 Bosch Gmbh Robert Verfahren zum Bereitstellen eines Zeitsignals in einem Fahrzeug

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822412A1 (de) * 1988-07-01 1990-01-04 Schulz Werner Dipl Ing Fh Verfahren zum automatischen stellen autonomer funkuhren
DE4036851A1 (de) * 1989-11-20 1991-05-23 Pioneer Electronic Corp Empfaenger
DE4313945A1 (de) * 1993-04-28 1994-11-03 Diehl Gmbh & Co Verfahren und Einrichtungen zum Verbreiten einer Normalzeitinformation
WO1995027927A1 (fr) * 1994-04-08 1995-10-19 Celestial Time, Inc. Montre commandee par satellite

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731956A1 (de) * 1987-09-23 1989-04-06 Junghans Uhren Gmbh Autonome funkuhr
JP2765996B2 (ja) * 1989-10-06 1998-06-18 三洋電機株式会社 Ｒｄｓ受信機
DE4002723C2 (de) * 1990-01-31 2003-06-26 Junghans Uhren Gmbh Autonome Funkuhr
DE9110462U1 (fr) * 1991-08-23 1992-12-24 Junghans Uhren Gmbh, 7230 Schramberg, De
JPH07109434B2 (ja) * 1991-11-19 1995-11-22 株式会社精工舎 時 計
DE4202435C2 (de) * 1992-01-29 1995-07-06 Krogmann Uwe Phys Ing Funkgestützte Uhr
JP2555502B2 (ja) * 1992-02-19 1996-11-20 株式会社精工舎 電波修正時計とその受信時刻設定方法および時刻修正方法
JP2503376B2 (ja) * 1992-06-18 1996-06-05 株式会社精工舎 電波修正時計
DE4230531C1 (de) * 1992-09-12 1993-11-18 Braun Ag Funkuhr
DE4233126A1 (de) * 1992-10-02 1994-04-07 Telefunken Microelectron Verfahren für den Betrieb einer Funkuhr und Funkuhr für den Einsatz in einem störfeldbehafteten Umfeld

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822412A1 (de) * 1988-07-01 1990-01-04 Schulz Werner Dipl Ing Fh Verfahren zum automatischen stellen autonomer funkuhren
DE4036851A1 (de) * 1989-11-20 1991-05-23 Pioneer Electronic Corp Empfaenger
DE4313945A1 (de) * 1993-04-28 1994-11-03 Diehl Gmbh & Co Verfahren und Einrichtungen zum Verbreiten einer Normalzeitinformation
WO1995027927A1 (fr) * 1994-04-08 1995-10-19 Celestial Time, Inc. Montre commandee par satellite

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0818720A1 (fr) * 1996-07-10 1998-01-14 Matsushita Electric Industrial Co., Ltd. Radio portative avec fonction d'affichage du temps
EP1043638A2 (fr) * 1999-04-09 2000-10-11 Casio Computer Co., Ltd. Dispositif électronique avec function garde-temps, méthode de correction du temps et moyens d' enregistrement
EP1043638A3 (fr) * 1999-04-09 2006-09-20 Casio Computer Co., Ltd. Dispositif électronique avec function garde-temps, méthode de correction du temps et moyens d' enregistrement
WO2002088849A1 (fr) * 2001-04-27 2002-11-07 Csem Centre Suisse D'electronique Et De Microtechnique Sa - Recherche Et Developpement Garde-temps avec mise a l'heure automatique et procede de mise a l'heure d'un tel garde-temps
US7031696B2 (en) 2001-04-27 2006-04-18 Csem Centre Suisse D'electronique Et De Microtechnique Sa-Recherche Et Developpement Timekeeper with automatic time setting and time setting method for same
EP1253488A1 (fr) * 2001-04-27 2002-10-30 C.S.E.M. Centre Suisse D'electronique Et De Microtechnique Sa Garde-temps avec mise à l'heure automatique et procédé de mise à l'heure d'un tel garde-temps
EP1426839A1 (fr) * 2001-09-10 2004-06-09 Citizen Watch Co. Ltd. Horloge radio-corrigee
EP1426839A4 (fr) * 2001-09-10 2007-08-29 Citizen Holdings Co Ltd Horloge radio-corrigee
US7408845B2 (en) 2001-09-10 2008-08-05 Citizen Holdings Co., Ltd. Radio corrected clock
WO2004043050A1 (fr) * 2002-11-07 2004-05-21 Koninklijke Philips Electronics N.V. Recepteur radio mobile a precision en temps reel amelioree
EP1465027A2 (fr) * 2003-03-31 2004-10-06 Seiko Epson Corporation Pièce d'horlogerie contrôlée par radio et méthode de contrôle pour celle-ci
EP1465027A3 (fr) * 2003-03-31 2005-11-16 Seiko Epson Corporation Pièce d'horlogerie contrôlée par radio et méthode de contrôle pour celle-ci
EP1855167A2 (fr) * 2003-03-31 2007-11-14 Seiko Epson Corporation Pièce d'horlogerie radio-contrôlée et procédé de commande de celle-ci
EP1855167A3 (fr) * 2003-03-31 2009-01-21 Seiko Epson Corporation Pièce d'horlogerie radio-contrôlée et procédé de commande de celle-ci

Also Published As

Publication number Publication date
DE59502948D1 (de) 1998-09-03
EP0682302A3 (fr) 1997-02-26
EP0682302B1 (fr) 1998-07-29
DE4416869A1 (de) 1995-11-16

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