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EP0439725B2 - Horloge radio-pilotée autonome - Google Patents
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EP0439725B2 - Horloge radio-pilotée autonome - Google Patents

Horloge radio-pilotée autonome Download PDF

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Publication number
EP0439725B2
EP0439725B2 EP90123145A EP90123145A EP0439725B2 EP 0439725 B2 EP0439725 B2 EP 0439725B2 EP 90123145 A EP90123145 A EP 90123145A EP 90123145 A EP90123145 A EP 90123145A EP 0439725 B2 EP0439725 B2 EP 0439725B2
Authority
EP
European Patent Office
Prior art keywords
time
radio
display
time information
receiver
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.)
Expired - Lifetime
Application number
EP90123145A
Other languages
German (de)
English (en)
Other versions
EP0439725A2 (fr
EP0439725B1 (fr
EP0439725A3 (en
Inventor
Wolfgang Ganter
Wolfram Hodapp
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.)
Junghans Uhren GmbH
Original Assignee
Junghans Uhren 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6399078&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0439725(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Junghans Uhren GmbH filed Critical Junghans Uhren GmbH
Publication of EP0439725A2 publication Critical patent/EP0439725A2/fr
Publication of EP0439725A3 publication Critical patent/EP0439725A3/de
Application granted granted Critical
Publication of EP0439725B1 publication Critical patent/EP0439725B1/fr
Publication of EP0439725B2 publication Critical patent/EP0439725B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/12—Arrangements for reducing power consumption during storage
    • 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

Definitions

  • the invention relates to a radio clock according to the preamble of claim 1.
  • Such a radio clock is known from DE-A-30 43 867.
  • the problem of the detection of time information in the radio signal received with interference is to be promoted there by manually presetting the most currently known partial information, so that a derivation from the demodulated and decoded radio information is required, which promotes the correlation comparison of the time information.
  • the non-critical scope of information definitely captures the year, since the user of the watch is usually familiar with the year in which he is currently living.
  • the current month and the current date including day of the week are also likely to be familiar and are therefore specified manually for the clock. What is the current hour or even minute is probably less certain, and the current correct second must be obtained from the radio information in any case for the clock to run.
  • the manual settings can also be confirmed via radio (and corrected if necessary), then the manual intervention in the current time display is blocked - and only released again when the radio clock has to start again after an interruption in operation under unfavorable reception conditions.
  • the publication does not take into account the time-varying time displays transmitted by radio, in particular for the operation of the clock in neighboring time zones.
  • a radio clock is therefore not to be understood as a (for example also portable on the arm) receiving device for radio or television program broadcasts or for paging systems, which can also be equipped with a clock; Rather, a radio-controlled clock of the generic type is a receiver which, for the periodic reception of coded absolute time information, is permanently tuned to at least one transmitter (generally in the long-wave range) in order to derive a time display from the decoded information.
  • an internal time-keeping circuit is also provided in order to switch the time display on even if - for example when the battery-operated radio clock is switched off to save energy or because of radio transmission interference - no valid time information is received.
  • a radio clock does not require any operating device at all, because when the operating energy is made available, the receiver is switched on in order to set the display of the internal autonomous time keeping and to correct it from time to time, as is the case with reference to the time telegram in the circuit description U. Berger "DCF-77 clock with microprocessor 'is explained in FUNKSCHAU volume 50 No. 12 from June 1978, pages 579 to 582. If the EP-A-0 308 881 is nevertheless equipped with manually operated pushbuttons, then not for influencing the radio-controlled time display, but only to specify an alarm time and to switch off a signal triggered when this time is reached.
  • an electronic watch can be put into a battery-saving sleep state, for example when it is delivered from the factory and until it is sold to the end customer, by means of a time evaluation of the specified rhythm of a manual key operation is queried.
  • the invention is based on the object of promoting a generic type of radio-controlled clock in its intended use by overcoming the basic difficulties in use as a functional, small, portable clock, for example in the sense of a travel alarm clock or a wristwatch, which inevitably occur during operation outside of the geographical time zone for which the currently received time telegram transmitter is operated.
  • This solution allows switching to a time display with the same accuracy but in neighboring time zones and finally also the operation and even the start-up of the clock itself far away from the transmitter-related time zone, without having to fear that there by accidental or playful triggered receiver switch-on a time information that is actually not usable falsifies the previously applicable time display.
  • the switching device available for this time zone changeover enables the clock to be put into the extremely power-saving sleep operating state in a manner known per se by manual actuation of the switch, from which it is then possible to return to the normal operating state with automatic adjustment to the received by simply pressing a button. current legal time can be returned.
  • FIG. 1 The only figure in the drawing shows, symbolically simplified, a small, autonomous radio-controlled watch 11, configured as a wristwatch, with a receiver 12 that is fixed to a time telegram transmitter and can be tuned, if necessary. It is fed from an antenna 13, which is a magnetic one Antenna 13 with antenna coil on a flexible core, embedded in a watch strap connected to the housing 20 (not shown), can act.
  • the absolute time information 14 output by the receiver 12 after demodulation of the radio reception signal is transferred to a register 15, which is then clocked further by an internally autonomous time-keeping circuit 16 in order to periodically supply control signals 17 for the time display device 18.
  • This can be designed as an electro-optical display or as an electromechanical display device for the presentation of analog or digital information.
  • this provides a feedback signal 19 about the current display position (i.e. about the current angular position of pointers or the positioning of numerical flaps), in order to correct the display by the register 15 if the time information currently contained in the time memory 35 deviates trigger, as known as such in generic radio clocks.
  • the radio-controlled watch housing 20 is equipped with a manually accessible and actuable multifunction switching device 21, which preferably contains three individually actuatable pushbuttons 22. Their current actuation combination is decrypted in a decoder 23 and is used to control the aforementioned functional elements of the radio clock 11.
  • a test cycle can be run through this switching device 21, for example in the course of the quality inspection at the end of production, which is of particular interest when an electro-optical display device 18 is used.
  • the decoder 23 delivers a test signal 24 when two pushbuttons 22 (for example the upper and the lower) are pressed simultaneously and also during this time the remaining third pushbutton 22.2 is only temporarily pressed - that is, an actuation of the switching device 21, which in no way occurs accidentally and because of the recessed Pushbutton 22 is best carried out by means of an appropriate multi-punch tool (not shown).
  • the test signal 24 results in a count signal 24 ', which counts all the display elements of the electro-optical display device.
  • the entire evaluation circuit is then expediently set to a defined initial state; which is also not to be done erroneously, which is why a multi-button operation, for example, of the pushbuttons 22.1 and 22.2, triggers the so-called system reset 26.
  • a multi-button operation for example, of the pushbuttons 22.1 and 22.2, triggers the so-called system reset 26.
  • This not only deletes all memories, but in particular becomes a processor by means of which the register 15 and the decoder 23 are controlled. set in a defined program initial state for an error-free start in the program sequence.
  • a switch-on signal 27 is sent to the receiver 12 and a blinking indicator 28 indicating the reception operation is actuated internal time-keeping circuit 16, so that internal time information on the display device 18 (in particular its seconds display) is counted up.
  • the display device 18 switches over to its presentation in a special area 29 (such as the calendar display) in order to express that radio time information is already present 14 - but still no absolutely secure time information 14 - is presented.
  • a new switch-on signal 27 is triggered in order, if necessary, to correct the current time presentation on the normal range 30 of the display device 18 if they deviate from the absolute time determined by radio should.
  • the reception range of the receiver-antenna combination 12-13 typically extends not only over the one time zone in which the time telegram transmitter (such as the transmitter DCF 77) to which the receiver 12 is tuned is installed, but also far into the geographic time zones neighboring on both sides.
  • each time information 14 received is switched back to the hourly time display according to the original time zone, which can then be corrected manually, as described, by actuating a push button 22.3 or 22.1. Beyond the time zones adjacent on both sides, however, the probability is then too low that the receiver 12 can still supply usable time information 14.
  • a blocking signal 33 is therefore sent to the receiver 12, which deactivates it as long as the manually adjusted hour display deviates from that by more than one hour , which would be applicable according to the time information 14 in the vicinity of the transmitter.
  • This blockage of the receiver 12 in the power-saving switch-off position can be removed by either reversing the manual adjustment of the hour display via the push buttons 22.1 or 22.3; or the time memory 35 containing this hour adjustment is reset to its zero initial state in register 15 by restarting in accordance with the above-described start-up (by inserting the battery or ending sleep mode).
  • This reset of the time memory 35 also However, deletion of the display 18 can also always be brought about by keeping one of the pushbuttons 22.2 pressed for a defined minimum length, which can be queried by a time switch 34 in the decoder 23. In this case, it supplies a reset signal 36 to the time memory 35, which means that the blocking signal 33 can also be released.
  • the presentation in the normal display area 30, controlled by the internal time-keeping circuit 16 begins to count up.
  • the current hour display has to be set up by means of the manually triggerable addition or subtraction signals 31, 32.
  • the acoustic recording of an hourly time stamp transmitted via program broadcasting can start the minute and second display manually on the hour to the exact hour if there is no contact with the relevant station at the time the watch is started due to currently unfavorable reception conditions.
  • the switched on receiver 12 tries to replace this manual start display as soon as possible with confirmed absolute time information 14.
  • this reset pushbutton 22.2 is actuated only briefly during normal operation of the radio clock 11, the time separator 34 instead supplies a switch-on signal 27 'acting on the receiver 12. Although this so-called “transmitter call” deletes the presentation in the normal area 30 of the display device 11, the time memory 35 is not reset, however, but is clocked further from the autonomous time-keeping circuit 16. If the receiver 12 which is now switched on provides plausible time information 14 in comparison with the updated time information in the memory 35 or in comparison with previously received time information 14, this is taken over into the time memory 35 and for display.
  • the internally advanced time information is transferred again from the memory 35 to the display device 18, namely if the receiver 12 does not do so over a certain predetermined reception time period due to, for example, disturbed radio transmission conditions is able to provide plausible time information 14.
  • the absolute correctness of the time information then displayed again has not been confirmed by radio, but is nevertheless given with a sufficiently high probability because it is the display of the internally continued earlier time display; without the time presentation being finally interrupted (until the periodically switching on receiver 12 once again provided correct time information 14).
  • This mere display reset function which can be triggered via the "transmitter call” button 22.2, is expediently prevented by a blocking signal 38 if the hours are manually adjusted beyond the adjacent time zones, since, as said, a sufficiently reliable reception of radio time telegrams is no longer to be expected there anyway .
  • the display device 18 expediently also has a control display 37, on which numerical figures can be displayed from the register 15, since when (for example for how many days), if appropriate, the temporary switching on of the receiver 12 automatically at night by means of a switch-on signal 27 "not for decoding a usable current time information 14.
  • this control display 17 is also incremented by one unit if the receiver 12 was put into operation with the so-called "transmitter call button", the push button 22.2, via the manual switch-on signal 27 '; the receiver 12 then switches off again after a certain operating period to save electricity without real time information 14.
  • the highest display remains It is reset to zero when the automatic or manual switch-on of the receiver leads to the recovery of usable time information 14.
  • the control display 37 can be structurally combined with the reception display 28 by making the control number flash when and as long as the clock 11 is on reception. In order to avoid any irritation, the control display 37 is then expediently switched off completely if it would display "zero", since the current time display could be confirmed when reception was switched on in the past.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)

Claims (5)

  1. Horloge radio (11) autonome, de petites dimensions, en particulier sous la forme d'un petit réveil de voyage ou d'une montre-bracelet, comportant un récepteur (12) pour information de temps (14) codée destinée à commander un dispositif d'affichage (18), qui, lorsque le récepteur (12) est hors service, continue d'être commandée à partir d'un circuit (16) interne maintenant le temps, et comportant des boutons-poussoirs (22) destinés à influencer manuellement le contenu du dispositif d'affichage (18), dans laquelle il est prévu un réglage manuel de l'affichage de l'heure et dans le cas d'un écart de plus d'une heure par rapport aux informations de temps (14) reçues par radio, un enclenchement du récepteur (12), qui sinon se renouvelle automatiquement, est bloqué.
  2. Horloge radio selon la revendication 1, caractérisée en ce que dans le cas d'un réglage manuel de l'affichage de l'heure d'un écart supérieur à une heure par rapport aux informations de temps (14) reçues par radio, seule une remise manuelle complète à zéro du système (nouvelle mise en marche) est possible, mais pas d'enclenchement manuel du récepteur, avec poursuite interne du registre de temps (appel d'émetteur).
  3. Horloge radio selon la revendication 2, caractérisée en ce qu'à un bouton-poussoir de remise à zéro (22.2) est associé un dispositif d'aiguillage de temps (34) pour la discrimination d'un intervalle de temps supérieur ou d'un intervalle de temps inférieur à un intervalle de temps déterminé d'actionnement, qui, dans le cas d'un écart non supérieur à une heure par rapport aux informations de temps (14) reçues par radio, après une courte pression sur le bouton-poussoir, efface provisoirement seulement le dispositif d'affichage (18), mais non sa mémoire de temps (35) commandée à partir du circuit (16) interne maintenant le temps, tandis qu'il provoque, après une longue pression sur le bouton-poussoir, une remise à zéro complète (26) du système dans la position initiale de fonctionnement de l'ensemble du système de commande, y compris de son programme de processeur pour l'interprétation du temps.
  4. Horloge radio selon la revendication 3, caractérisée en ce qu'elle est équipée d'un dispositif de commande à multifonctions (21) avec plusieurs boutons-poussoirs (22) dont un est le bouton-poussoir de remise à zéro (22.1), par lequel l'horloge (11) peut être commandée aussi dans une position de rangement, économisant le courant et à partir de celle-ci à nouveau pour la remise en service de l'horloge (11).
  5. Horloge radio selon la revendication 4, caractérisée en ce que dans le cas de sa mise en service les informations de temps commandées à partir de la commande (16) interne maintenant le temps, sont d'abord affichées dans le dispositif d'affichage (18), après quoi l'affichage (18) est commuté sur une zone particulière (29) pour la présentation des premières informations de temps (14), déterminées par radio, à leur confirmation par des informations de temps (14), suivantes, déterminées par radio, l'affichage de temps étant transmis dans la zone prévue à cet effet du dispositif d'affichage (18).
EP90123145A 1990-01-31 1990-12-04 Horloge radio-pilotée autonome Expired - Lifetime EP0439725B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4002723 1990-01-31
DE4002723A DE4002723C2 (de) 1990-01-31 1990-01-31 Autonome Funkuhr

Publications (4)

Publication Number Publication Date
EP0439725A2 EP0439725A2 (fr) 1991-08-07
EP0439725A3 EP0439725A3 (en) 1992-01-15
EP0439725B1 EP0439725B1 (fr) 1994-03-09
EP0439725B2 true EP0439725B2 (fr) 1997-07-02

Family

ID=6399078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123145A Expired - Lifetime EP0439725B2 (fr) 1990-01-31 1990-12-04 Horloge radio-pilotée autonome

Country Status (5)

Country Link
US (1) US5177714A (fr)
EP (1) EP0439725B2 (fr)
DE (2) DE4002723C2 (fr)
ES (1) ES2051442T3 (fr)
HK (1) HK118094A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9110462U1 (de) * 1991-08-23 1992-12-24 Junghans Uhren GmbH, 7230 Schramberg Autonome Funkuhr mit Zeitzonen-Umschaltung
DE4229400A1 (de) * 1991-09-06 1993-03-11 Senden Uhrenfab Gmbh Elektrische quartz- oder funk-quartzuhr
DE4336549A1 (de) * 1993-10-27 1995-05-04 Braun Ag Elektronische Uhr
JP3313215B2 (ja) * 1993-12-10 2002-08-12 セイコーインスツルメンツ株式会社 電波修正型電子時計
DE4416869A1 (de) * 1994-05-13 1995-11-16 Opel Adam Ag Steuereinrichtung für eine durch Funksignale zu synchronisierende Uhr
DE4446568C2 (de) * 1994-12-24 1999-03-11 Telefunken Microelectron Autonome Funkuhr mit automatischer Zeitzonenanpassung
DE29504027U1 (de) * 1995-03-09 1995-05-18 TAMSIT Vertriebsgesellschaft mbH, 22047 Hamburg Elektronische Uhr, insbesondere Taschen- oder Armbanduhr
JP3721888B2 (ja) 1998-12-04 2005-11-30 セイコーエプソン株式会社 携帯用電子機器および携帯用電子機器の制御方法
JP3454269B1 (ja) * 2002-03-26 2003-10-06 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
US7012856B2 (en) * 2002-05-24 2006-03-14 Keith Kibiloski Radio-controlled clock
US7230884B2 (en) * 2003-01-03 2007-06-12 The Sapling Company, Inc. Clock diagnostics
JP4965978B2 (ja) * 2006-11-22 2012-07-04 セイコーインスツル株式会社 電波時計
US20090016167A1 (en) * 2007-07-09 2009-01-15 Seiko Epson Corporation Time Adjustment Device, Timekeeping Device with a Time Adjustment Device, and a Time Adjustment Method
EP2896319B1 (fr) 2014-01-21 2018-04-18 Braun GmbH Brosse à dents électrique ou rasoir électrique

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881310A (en) * 1971-03-02 1975-05-06 Diehl Clock adapted to be synchronized by alternating current in a wireless manner
US4117661A (en) * 1975-03-10 1978-10-03 Bryant Jr Ellis H Precision automatic local time decoding apparatus
DE2530985A1 (de) * 1975-07-11 1977-01-20 Licentia Gmbh Elektronischer taschenrechner, der zugleich als zeituhr dient
US4023344A (en) * 1975-09-03 1977-05-17 Kabushiki Kaisha Suwa Seikosha Automatically corrected electronic timepiece
JPS5563781A (en) * 1978-11-06 1980-05-14 Seiko Instr & Electronics Ltd Analog electronic watch
JPS5590883A (en) * 1978-12-29 1980-07-09 Osawa Shokai:Kk Clock
JPS5950950B2 (ja) * 1979-04-13 1984-12-11 セイコーインスツルメンツ株式会社 ラジオ付電子時計
JPS5679281A (en) * 1979-12-03 1981-06-29 Norio Iwasaki Time-correcting apparatus of timepiece by time signal tone
DE3015312A1 (de) * 1980-04-21 1981-10-22 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg Qualitaetsindikator fuer den empfang bei funkuhren
DE3043867A1 (de) * 1980-11-21 1982-07-01 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg Verminderung von stoereinfluessen bei funkuhren
US4582434A (en) * 1984-04-23 1986-04-15 Heath Company Time corrected, continuously updated clock
DE3439638C1 (de) * 1984-10-30 1986-05-15 Gebrüder Junghans GmbH, 7230 Schramberg Autonome Funkuhr
DE3510636C3 (de) * 1985-03-23 1997-06-05 Junghans Gmbh Geb Autonome Funkuhr mit Zeitpunkt-Signalgeber
DE3707728A1 (de) * 1987-03-11 1988-09-22 Junghans Uhren Gmbh Autonome funkuhr
US4823328A (en) * 1987-08-27 1989-04-18 Conklin Charles C Radio signal controlled digital clock
DE3731956A1 (de) * 1987-09-23 1989-04-06 Junghans Uhren Gmbh Autonome funkuhr

Also Published As

Publication number Publication date
DE59004925D1 (de) 1994-04-14
EP0439725A2 (fr) 1991-08-07
US5177714A (en) 1993-01-05
EP0439725B1 (fr) 1994-03-09
ES2051442T3 (es) 1994-06-16
DE4002723A1 (de) 1991-08-01
EP0439725A3 (en) 1992-01-15
HK118094A (en) 1994-11-04
DE4002723C2 (de) 2003-06-26

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