EP0455183B2 - Horloge radio-commandée autonome - Google Patents

Horloge radio-commandée autonome Download PDF

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Publication number
EP0455183B2
EP0455183B2 EP91106884A EP91106884A EP0455183B2 EP 0455183 B2 EP0455183 B2 EP 0455183B2 EP 91106884 A EP91106884 A EP 91106884A EP 91106884 A EP91106884 A EP 91106884A EP 0455183 B2 EP0455183 B2 EP 0455183B2
Authority
EP
European Patent Office
Prior art keywords
time
display
hour
radio
zone
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
EP91106884A
Other languages
German (de)
English (en)
Other versions
EP0455183A2 (fr
EP0455183B1 (fr
EP0455183A3 (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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6853493&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0455183(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 EP0455183A2 publication Critical patent/EP0455183A2/fr
Publication of EP0455183A3 publication Critical patent/EP0455183A3/de
Application granted granted Critical
Publication of EP0455183B1 publication Critical patent/EP0455183B1/fr
Publication of EP0455183B2 publication Critical patent/EP0455183B2/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
    • G04G9/00—Visual time or date indication means
    • G04G9/0076—Visual time or date indication means in which the time in another time-zone or in another city can be displayed at will
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0064—Visual time or date indication means in which functions not related to time can be displayed
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/04—Antennas attached to or integrated in watch bracelets

Definitions

  • the invention relates to an autonomous radio clock according to the preamble of the claim 1.
  • radio clock is known from DE-C1-34 39 638. As below regarding the radio clock function is explained in more detail, it is switched on sporadically Receiver equipped for complete encoded absolute time information, which then set a time register that is clocked internally, and with Means for comparing that on an electromechanical analog display presented time with the current content of the time register and if necessary to correct the time displayed differently.
  • Patent 4,258,431 manual change of part of the digital time display in the electro-optical Display the hands of an electromechanical display in an angular position to have it turned, that of the changed but not necessarily correct one Time specification corresponds.
  • the handling problems associated with this in practice do not occur with a radio clock, because the absolute received due to The given time display is checked again and again sporadically and, if necessary, automatically corrected to the legal time received, without manual intervention by the user disrupting the correction or could even falsify.
  • a digitally displaying radio clock is known from EP-A-0 372 432. She is with a manually operated zone switch equipped for hour input into a memory, the content of which, for the time display, the current Hourly information is added or subtracted from this, which is received from time to time Radio telegram is decoded and then continued until the next radio reception.
  • the hour indication of the time shown on the digital display deviates by the manually specified number from time zones to that which can be decoded for the transmitter time zone from the received time telegram is what corresponds to a time display in a certain other selectable geographic time zone.
  • the radio clock known from EP-A-0 308 881 also digitally displaying, has the special feature in a display area reserved for this, indicate how often since the most recent reception of a usable
  • the recipient's time telegram was temporarily switched on in vain.
  • reception conditions can be multiple automatically or manually Tried reception attempts have been unsuccessful, so that the current time display has been for a long time (without checking and, if necessary, correction based on a currently received time telegram) based on internal timing.
  • Under normal usage conditions of the radio clock leads however each receiver activation to receive a usable time telegram, so that the control display indicates the value zero because the most recent receiver activation was not in vain.
  • the current reception quality is determined from the Comparison of an ideal rectangular pulse with the coding pulses of the time frame just received determined and shown as a quality figure.
  • the decodability of the received time telegram does not only depend on the one currently encountered Reception field strength, but also from other disturbances during the reception time phase. However, if only the field strength is of interest, it can be done according to DE-A-2 802 040 by means of a row of light-emitting diodes next to the digital display for the information decoded from the time telegram.
  • a pointer can be provided when the Switch clock first in time with the received coding frequency of the time telegram until an absolute Time information as a reference for checking and correcting the time display pointer position from the received time telegram could be decoded.
  • An uneasy run of such an indicator pointer is an unmistakable indication that no undisturbed reception of the time information encoded in the second grid it is possible that an automatic correction of the current time display is not expected.
  • the present invention has for its object a known as such radio clock with electromechanical To interpret the time display in such a way that it is problem-free for the user Switching to other time zones is possible.
  • the circuit clock and sketched radio clock 11 is equipped with a miniaturized antenna 12, which feeds a receiver 14 via an antenna line 13. This is common to at least one operated in the long-wave frequency band, tuned transmitter that quasi-continuously encodes transmits absolute time information. This is demodulated in the receiver 14 and into a decoder 15 digitized time information implemented in a display control circuit 16 for a multi-digit digital display 17 is passed. Since in addition an analog display 18 for the presentation of the current hour and Minute is provided, this information need not be additionally presented in the digital display 17 become; this can then be limited to a two-digit day, month and second display D, M, S, of which the first two groups of digits are used to simplify the interpretation followed by an ordinal point 19 (Fig. 2).
  • an electromechanical display 18 equipped with a coding or incremental detector 20 to the current mechanical Display position (i.e. the current time display) in a comparator 21 with the (absolute) to be displayed Compare time information.
  • a switch 22 is actuated by the latter in order to the electromechanical converter 23 (for example a clock stepper motor) with an increased frequency f2 from an autonomous one internal timing circuit 24 to drive until the mechanical display 18 again with the predefined time information matches.
  • the comparator 21 switches the changeover switch 22 back, and henceforth the converter 23 is clocked further with a time-keeping frequency f1.
  • a reception indicator 25 is provided, which is preferably is realized as a flashing representation between or next to the digits of the optronic display 17.
  • a weekday display 26 with jump labels 27 the weekday abbreviations (in FIG. 2 the English-language abbreviations M, T, T, W, F, S, S for the weekdays Monday ... Sunday) is assigned, then it can be provided that the decoder 15 by means of a flag control circuit 28 brightness control of the respectively valid mark 27 to modulate through a chopper 29 by periodic interruption if and as long as the receiver 14 is controlled for reception.
  • the available reception field strength also for the operation of the Receiver 14 would suffice if this is to be switched on.
  • the antenna 12 is in front of or after the amplifying receiver 14, a level meter 30 is connected, which is the sequence of all daily marks 27 can be controlled via an intensity control circuit 31 in the manner of a bar graph display. Appear with corresponding display switchover (e.g.
  • a part of the optronic display 17 can be used to signal if necessary, that the operating voltage of the power source 36 has dropped critically, for example a buffered one Solar cell exposed to radiation or a battery change should be made soon to avoid imminent stoppage of the clock 11.
  • a detector 37 is provided for this, for example works as a voltmeter.
  • the display position detector 20 with light emitting diodes in light barriers works, as described in more detail in US Pat. No. 4,645,357 for a pointer movement, it is more reliable, by means of the detector 37 to query their voltage-dependent functional threshold and via the display control circuit 16 on the display 17 (preferably in the upper half of the monthly display M) To let warning information 38 appear, such as the representation of a battery symbol (as in FIG. 2 above considered).
  • the receiver 14 always switched on when the clock 11 is put into operation, for example by equipping it with a (fresh) power source 36.
  • a switch-on takes place when a query circuit is activated 40, which is preset to certain times, such as reaching every hour on the hour current time
  • a query circuit is activated 40, which is preset to certain times, such as reaching every hour on the hour current time
  • switch-on times for the receiver 14, in the interrogation circuit 40 to specify. Because if the wrist radio watch 11 is worn during the day, cause the movements of field strength fluctuations in the receiving antenna 12 which are amplitude modulated Overlay the coding of the received time information and thus falsify the coding, i.e.
  • the decoding can prevent current time information, although the reception field strength is actually sufficient would. Such irritation of the wearer, and the unnecessary energy consumption due to a function Vainly switched on receiver 14 are avoided if the switch-on times in the be laid deep night, in which the wristwatch 11 is stored or in any case the arm of the wearer rests.
  • the receiver 14 can also be switched on manually via a so-called “transmitter call button”. 41 take place, which preferably is sunk to avoid erroneous actuation (as can be seen from FIG. 2) is arranged in the housing 60 of the clock 11.
  • an isolating switch 42 is connected between the decoder 15 and one Register 43 opened, which is set to this when decoding a plausible current time information and is then clocked from the time-keeping circuit 24 for the continuous time determination.
  • the switching on of the receiver 14 is interrupted again by a switching stage 45 when the decoder 15 was able to decode current correct time information and therefore also switches 42, 44 into the resets normal display function; or if over a certain period of reception (specified in switching stage 45) such plausible current time information cannot be obtained from decoder 15 could.
  • the plausibility criterion is a defined time difference between a currently decoded one received time information and a past or from the advanced time register 43 obtained reference time information.
  • the constellations of a receiver switching on and off again without decoding a valid one Time information is recorded in an inhibit logic gate 46 and summed up by a counter 47, whose current counter reading on the display 17 switched to transmitter display by appropriate Actuation of the display control circuit 16 'is shown numerically; about as the number of attempts to receive 48 with at least one of the digits, which in normal display 17 display as a day D serve (as taken into account in Fig. 2 top left).
  • the number of attempts to receive 48 is therefore always displayed to "zero" if (in the reception area of the time information transmitter) every activation of the receiver 14 - be it manually or automatically - it leads to the decoding of current time information.
  • the receiver 14 Every time the receiver 14 switches off without it being possible in the decoder connected downstream of it was to obtain confirmed, i.e. currently absolute, time information, the time in register 43 is kept internally advanced old time information is again given to the display 17 via the display control circuit 16. This ensures that a correct (even if not confirmed by radio) time display continues also takes place if, for example, due to interference or due to a switched-off transmitter the reception and decoding of radio time information is currently not possible
  • a transmitter for the transmission of coded absolute time information relates this to a specific geographical Time zone, regularly to the time zone in which it is operated. It can be assumed, that in the mutually adjacent edges of the adjacent time zones, those transmitters are also sufficient Field strength for the operation of the receiver 14 can be recorded via the antenna 12. However, this is certainly no longer the case if the radio clock 11 goes beyond that of the transmitter to which the receiver is located 14 is coordinated, is operated on both sides of adjacent time zones.
  • the continuous time display works here 18 including the additional indications on the display 17 therefore only from the internal time keeping advanced register 43.
  • a manually operated zone switch 51 is provided, with which the display control circuit 16 operates Register 43 by full hours (without influencing the current minute and second presentations; but taking into account any calendar changes of the day) can be probed back and forth, for example by actuating pushbutton switches 52+, 52- which are arranged recessed in the watch case 60.
  • the adjustment register 53 connected downstream of the time register 43.
  • the hourly information received is used for the display subtracted or added one hour. But as soon as this manual time zone adjustment more than one tent zone is, i.e. refers to regions in which a reliable reception of the transmitter is no longer expected can be switched on the receiver 14 to relieve the power source 36 via a gate circuit 54 blocked. Their control takes place from a comparator 55, the gate circuit 54 again switches through when the manually effected hour change returns below plus or minus two. That makes a comparison of the hourly information in front of and behind the adaptation register 53, for example.
  • any of the time zone pushbuttons expediently brings about 52 - as mentioned above, the actuation of an additional switch switch, if any 34 - a change of the display on the optronic display 17 from the date and second display the current time (indicated by dots in Fig. 1 above) on an already mentioned auxiliary display.
  • Tracking the electromechanical flaps or pointer display 18 For technical reasons, however, the increased setting frequency f2 cannot be set to any higher Speed take place; and if a mechanical rapid traverse is only possible in one direction, requires at a twelve hour display 18 e.g. the changes by minus two time zones ten full rounds a minute hand coupled to the hour hand. So while the time zone change specification can be done quickly via the key switch 52, it can be irritating that the wake of the electromechanical advanced pointer that in no way follows
  • the time zone change is expediently not shown in the auxiliary display 17 (in hours) compared to the previous time, but with the two digits of the second display in this changeover state, a real (target) hour display H is carried out directly from the given one Hour in the notified new time zone.
  • a real (target) hour display H is carried out directly from the given one Hour in the notified new time zone.
  • the new time zone target hour "20" (clock, without taking into account the unaffected minutes and seconds).
  • This is the target hour display for the mechanical display 18, in the latter is controlled via the comparator 21, updating the Minutes and seconds that are required for this setting process.
  • the display 17 shows So on the right always an hour display that matches that of the received time information (and the electromechanical Display 18) matches if no manual time zone jumps have been entered.
  • the antenna 12 of the radio clock 11 is expediently designed as a magnetic antenna from a flat coil 56 connected to the antenna line 13 on a flexible core 57, as for example described in more detail in DE-GM 88 15 967.
  • This antenna 12 can be drawn into a bracelet 58 and electrically and mechanically by means of a combined plug and fastening device 59 the housing 60 of the wristwatch radio watch 11 may be connected. Because this is preferred according to the illustrated Realization example (Fig. 2) as a hybrid watch, i.e.
  • electromechanical Display 18 and electro-optical display 17 are equipped, the latter is preferably - contrary to the usual Design of such hybrid watches - not below, but above the electromechanical pointer display 18 is thereby arranged on the lower edge in the housing 60, under the lower region of the Minuterie 61, enough space available for the design of the counterpart to the plug and fastening device 59 of the bracelet 58; so that this is somewhat stiffer by installing the antenna 12 thicker portion of the bracelet 58 desirably to lie on the inside of the support arm is coming.
  • this is not an antenna equipped partial bracelet hinged to the edge of the watch case 60 via a conventional hinge 62.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Claims (3)

  1. Horloge radio (11) autonome comportant un récepteur (14) s'enclenchant sporadiquement pour des informations de temps absolu codées, comportant un registre de temps (43) qui peut être réglé par une information de temps reçue et qui peut être commandé à partir d'un circuit (24) autonome et interne de maintien du temps, et comportant des dispositifs pour une comparaison à l'instant entre son indication de temps (18) mécanique et analogique et le contenu du registre de temps (43), ainsi qu'au besoin pour la correction de l'indication de temps (18) analogique sur le contenu du registre, à-fréquence (f2) supérieure à partir du circuit (24) de maintien du temps, caractérisée en ce qu'un interrupteur de zone (51) est prévu pour la sélection manuelle des heures représentant le changement de zone de temps par variation du contenu du registre de temps (43), avec pour conséquence la commande de l'indication de temps (18) analogique sur l'heure de consigne modifiée manuellement, ainsi qu'un écran numérique (17) à plusieurs chiffres pour la représentation d'autres informations que l'heure et les minutes, qui est commuté provisoirement et avec retour automatique, par actionnement de l'interrupteur de zone (51), sur une représentation auxiliaire sous la forme de l'heure de consigne selon l'actionnement de l'interrupteur de zone (51), qui représente l'indication de l'heure (H) en vigueur dans laquelle entre précisément l'indication de temps (18) analogique.
  2. Horloge radio selon la revendication 1, caractérisée en ce qu'il est indiqué sur une partie de l'écran (17), pendant le mode indication avec maintien du temps, les secondes reçues et décodées du temps à l'instant, tandis qu'après actionnement de l'interrupteur de zone (51) il est indiqué provisoirement dans cette partie l'heure de consigne dans laquelle entre précisément l'indication de temps mécanique (18).
  3. Horloge radio selon l'une des revendications précédentes, caractérisée en ce que dans le cas où l'heure de consigne donnée par l'intermédiaire de l'interrupteur de zone (51) diffère de plus d'une zone de temps de l'heure de l'information de temps reçue à l'instant, le récepteur (14) pour la réception d'informations de temps reste hors fonction.
EP91106884A 1990-05-04 1991-04-27 Horloge radio-commandée autonome Expired - Lifetime EP0455183B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9005073U 1990-05-04
DE9005073 1990-05-04

Publications (4)

Publication Number Publication Date
EP0455183A2 EP0455183A2 (fr) 1991-11-06
EP0455183A3 EP0455183A3 (en) 1992-01-15
EP0455183B1 EP0455183B1 (fr) 1995-06-28
EP0455183B2 true EP0455183B2 (fr) 2001-04-25

Family

ID=6853493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91106884A Expired - Lifetime EP0455183B2 (fr) 1990-05-04 1991-04-27 Horloge radio-commandée autonome

Country Status (5)

Country Link
US (1) US5105396B1 (fr)
EP (1) EP0455183B2 (fr)
DE (2) DE9010270U1 (fr)
ES (1) ES2075257T3 (fr)
HK (1) HK73296A (fr)

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Also Published As

Publication number Publication date
HK73296A (en) 1996-05-03
DE9010270U1 (fr) 1991-09-05
EP0455183A2 (fr) 1991-11-06
EP0455183B1 (fr) 1995-06-28
EP0455183A3 (en) 1992-01-15
ES2075257T3 (es) 1995-10-01
US5105396B1 (en) 1993-11-30
US5105396A (en) 1992-04-14
DE59105829D1 (de) 1995-08-03

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