EP0439725A2 - Horloge radio-pilotée autonome - Google Patents

Horloge radio-pilotée autonome Download PDF

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Publication number
EP0439725A2
EP0439725A2 EP90123145A EP90123145A EP0439725A2 EP 0439725 A2 EP0439725 A2 EP 0439725A2 EP 90123145 A EP90123145 A EP 90123145A EP 90123145 A EP90123145 A EP 90123145A EP 0439725 A2 EP0439725 A2 EP 0439725A2
Authority
EP
European Patent Office
Prior art keywords
time
display
receiver
radio
time information
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
EP90123145A
Other languages
German (de)
English (en)
Other versions
EP0439725B1 (fr
EP0439725B2 (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(A2) "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
Publication of EP0439725B1 publication Critical patent/EP0439725B1/fr
Application granted granted Critical
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.
  • a radio clock is not to be understood as a receiver (for example, worn on the arm) for radio or television program broadcasts or for paging systems, which can also be equipped with a clock; instead it is a receiver that is permanently tuned to at least one transmitter (regularly in the long-wave range) for the periodic reception of coded absolute time information 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.
  • the radio clock there is equipped with manually operated pushbuttons; however, these do not affect the actual radio clock function in the sense of a display of the actual, absolute time information received via radio, and the internal progression based thereon until the next display verification based on new radio reception information; but the push buttons there serve only the specification of one Alarm time or switching off a wake-up signal when this alarm time is reached.
  • the invention has for its object to promote a generic type radio clock in its intended use that it can be designed as a functional small portable watch in the sense of a travel alarm clock or a wristwatch, which in principle problems on the one hand with regard to the operating time from a correspondingly small battery and on the other hand, with regard to the operation beyond the geographic time zone for which the time telegram transmitter just received is operated.
  • That solution opens up the possibility, via an unproblematically manageable multi-button switching device, of putting the clock into an extremely energy-saving operating state when the clock is not in use, for example a travel alarm clock outside of the holiday travel time; from which the operating state can be returned by simply pressing a button, whereupon the radio clock automatically adjusts itself to the current legal time in a known manner.
  • the same multifunction switching device can be used to switch to a time display with the same accuracy, but in neighboring time zones, and finally even to operate or start up well away from the transmitter-related time zone, without having to fear that the receiver may be accidentally or playfully triggered one there Time information that cannot actually be used falsifies the time display that was previously applicable.
  • the only figure in the drawing shows, symbolically simplified, a small, autonomous radio-controlled clock 11, configured as a wristwatch, with a receiver 12 that is fixed to a time telegram transmitter and can be tuned if necessary.
  • the receiver 12 is fed from an antenna 13, which is a magnetic one Antenna 13 with antenna coil on a flexible core, embedded in a watch band 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 (for example, 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 actuatable multifunctional switching device 21, which preferably contains three individually actuated 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 thus 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.
  • a switch-on signal 27 is sent to the receiver 12 and a flashing indicator 28 indicating the reception operation is triggered.
  • This also starts the 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 thereby express that radio time information 14 is already present - but not yet absolute secured time information 14 - is presented.
  • a new switch-on signal 27 is triggered in register 15 at predetermined times, such as daily at 2 a.m., in order to correct the current time presentation on normal range 30 of display device 18 if necessary, if it should deviate from the absolute time determined by radio.
  • 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 neighboring geographic time zones.
  • 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 used to rule out incorrect displays or incorrect display interpretations or unnecessary display interruptions during probably unsuccessful reception attempts delivered to the receiver 12, which deactivates it as long as the manually adjusted hour display deviates by more than one hour from that 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 by exiting sleep mode).
  • This reset of the time memory 35 with 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 performance 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 the 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 one acting on the receiver 12 Switch-on signal 27 '. 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 again transferred from the memory 35 to the display device 18, namely if the receiver 12 is unable to provide plausible time information 14 over a certain predetermined reception time period due to, for example, disturbed radio transmission conditions.
  • 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 in the case of manual hour adjustment beyond the adjacent time zones, since, as said, a sufficiently reliable reception of radio time telegrams is no longer to be expected 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 how many days, for example) the temporary switching on of the receiver 12 automatically at night by means of a switch-on signal 27 '' may not be used Decoding of a usable current time information 14 led.
  • this control display 17 is also incremented by one unit when the receiver 12 uses the so-called "transmitter call button", the pushbutton 22.2, via the manual switch-on signal 27 'was put into operation; however, the receiver 12 then switches off again after a certain operating period in order to save electricity without real time information 14 having been obtained.
  • 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.
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 true EP0439725A2 (fr) 1991-08-07
EP0439725A3 EP0439725A3 (en) 1992-01-15
EP0439725B1 EP0439725B1 (fr) 1994-03-09
EP0439725B2 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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408445A (en) * 1991-08-23 1995-04-18 Junghans Uhren Gmbh Radio timepiece
EP0651301A2 (fr) * 1993-10-27 1995-05-03 Braun Aktiengesellschaft Montre électronique
EP0657793A1 (fr) * 1993-12-10 1995-06-14 Seiko Instruments Inc. Montre électronique corrigée par radio

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229400A1 (de) * 1991-09-06 1993-03-11 Senden Uhrenfab Gmbh Elektrische quartz- oder funk-quartzuhr
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 M 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2530985A1 (de) * 1975-07-11 1977-01-20 Licentia Gmbh Elektronischer taschenrechner, der zugleich als zeituhr dient
JPS533870A (en) * 1976-07-01 1978-01-13 Seiko Instr & Electronics Ltd Radio wave control electronic wristwatch
DE3043867A1 (de) * 1980-11-21 1982-07-01 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg Verminderung von stoereinfluessen bei funkuhren
JPS61144588A (ja) * 1984-12-18 1986-07-02 Seiko Epson Corp 電子腕時計
EP0308881A2 (fr) * 1987-09-23 1989-03-29 Junghans Uhren Gmbh Montre commandée par radio

Family Cites Families (13)

* 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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2530985A1 (de) * 1975-07-11 1977-01-20 Licentia Gmbh Elektronischer taschenrechner, der zugleich als zeituhr dient
JPS533870A (en) * 1976-07-01 1978-01-13 Seiko Instr & Electronics Ltd Radio wave control electronic wristwatch
DE3043867A1 (de) * 1980-11-21 1982-07-01 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg Verminderung von stoereinfluessen bei funkuhren
JPS61144588A (ja) * 1984-12-18 1986-07-02 Seiko Epson Corp 電子腕時計
EP0308881A2 (fr) * 1987-09-23 1989-03-29 Junghans Uhren Gmbh Montre commandée par radio

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FUNKSCHAU. Bd. 50, Nr. 12, Juni 1978, MUNCHEN DE Seiten 579 - 582; BERGER: 'DCF-77-Uhr mit Mikroprozessor' *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 341 (P-517)(2397) 18. November 1986 & JP-A-61 144 588 ( SEIKO EPSON ) *
PATENT ABSTRACTS OF JAPAN vol. 2, no. 40 (E-78)16. März 1978 & JP-A-53 003 870 ( DAINI SEIKOSHA ) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408445A (en) * 1991-08-23 1995-04-18 Junghans Uhren Gmbh Radio timepiece
DE4219257C2 (de) * 1991-08-23 2003-07-10 Junghans Uhren Gmbh Autonome Funkuhr mit Zeitzonen-Umschaltung
EP0651301A2 (fr) * 1993-10-27 1995-05-03 Braun Aktiengesellschaft Montre électronique
EP0651301A3 (fr) * 1993-10-27 1995-12-20 Braun Ag Montre électronique.
EP0657793A1 (fr) * 1993-12-10 1995-06-14 Seiko Instruments Inc. Montre électronique corrigée par radio

Also Published As

Publication number Publication date
DE59004925D1 (de) 1994-04-14
EP0439725B1 (fr) 1994-03-09
EP0439725B2 (fr) 1997-07-02
DE4002723A1 (de) 1991-08-01
DE4002723C2 (de) 2003-06-26
HK118094A (en) 1994-11-04
US5177714A (en) 1993-01-05
EP0439725A3 (en) 1992-01-15
ES2051442T3 (es) 1994-06-16

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