EP0308881B1 - Montre commandée par radio - Google Patents

Montre commandée par radio Download PDF

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Publication number
EP0308881B1
EP0308881B1 EP88115451A EP88115451A EP0308881B1 EP 0308881 B1 EP0308881 B1 EP 0308881B1 EP 88115451 A EP88115451 A EP 88115451A EP 88115451 A EP88115451 A EP 88115451A EP 0308881 B1 EP0308881 B1 EP 0308881B1
Authority
EP
European Patent Office
Prior art keywords
time
radio
display
information
alarm
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
EP88115451A
Other languages
German (de)
English (en)
Other versions
EP0308881A3 (fr
EP0308881A2 (fr
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
Application filed by Junghans Uhren GmbH filed Critical Junghans Uhren GmbH
Publication of EP0308881A2 publication Critical patent/EP0308881A2/fr
Publication of EP0308881A3 publication Critical patent/EP0308881A3/fr
Application granted granted Critical
Publication of EP0308881B1 publication Critical patent/EP0308881B1/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
    • G04G9/0005—Transmission of control signals
    • G04G9/0011—Transmission of control signals using coded signals
    • 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
    • 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 watch is known from GB-A-1 596 528.
  • the radio receiver for the demodulation and decoding of absolute time information is operated continuously in order to correct a free-running clock if necessary when a usable time information is available.
  • a time counter is provided which, when radio time information is available, is reset to the initial state and out of it, by integrating the counting pulses from the free-running clock, then again measures the time that reception has been switched on in vain since the last available radio time information. If this period of time exceeds a critically predetermined level, an alarm device is triggered.
  • the invention relates in particular to the applicant's consumer watches on the market, which are distinguished by a particularly long battery operating time because the receiver for the real-time telegrams is not constantly in operation. Rather, the receiver is only switched on automatically or manually from time to time to ensure that the displayed time is correct or open the current radio time is corrected. Since the receiver switches off after a certain reception time for reasons of the power balance even if no usable time information could be obtained due to the given radio reception conditions, measuring the operating time of the radio receiver, which is known from the prior art, is meaningless for such radio clocks. Rather, the consumer is interested in whether, when the receiver is switched on, radio information that is likely to be useful is actually received.
  • this presentation of the reception conditions can take place through the drive rhythm of a pointer, which can be one of the pointers that are present anyway for the time display.
  • a pointer which can be one of the pointers that are present anyway for the time display.
  • DE-A-30 15 312 it is known to present the current reception conditions in the form of a digital quality figure, which has the content of the conformity of the pulses received by radio with a predetermined standard pulse shape.
  • the object of the invention is to provide information about an autonomous radio-controlled clock of the generic type and to indicate the reliability of the current time display with regard to the fact that the receiver for temporarily decoding absolute time information is only switched on at larger time intervals.
  • the generic radio clock is designed according to the characterizing part of claim 1.
  • This solution satisfies the subliminal but nevertheless existing wish of the consumer to receive a confirmation of the accuracy of the time display of his radio clock: With the increase in the information displayed, a corresponding number of receiver activations have been in vain and it would obviously be advisable to use the spatial orientation or the Change the location of the radio clock in order to achieve better radio reception conditions for the next upcoming receiver activation.
  • the fact of a current radio reception (evaluation of the time information received via radio) can be additionally displayed in a manner known per se, in particular in the cycle of the coding of the radio time information.
  • the display about the reception conditions always maintains an optimal value, the consumer has the certainty that the periodic check of the time display of his watch could be carried out correctly on the basis of the legal time transmitted by radio, so that the time display is most likely correct. If, for example, at the preprogrammed time of a display check, the display of the reception conditions is incremented by one unit, and a reset to the initial count state upon receipt of all evaluable time information occurs, the lowest value is continuously displayed and from this the information that for each intended The time of the check has actually been checked (and, if necessary, corrected) of the time display.
  • the clock is equipped as an appointment clock (alarm clock), as is known as such from DE-OS 35 10 636.
  • the display of the reception conditions is then expediently included in the display of the current time and the predetermined wake-up time, this display being able to be implemented as a pointer display, but preferably as a digital display.
  • the additional display between the alarm time and the date (in any case, the day and the month).
  • the manual display change is associated with one switching of the hour display and one switching of the minute display Key switch useful;
  • these pushbuttons only serve to change the displayed alarm time, that is to say they have no influence on the displayed current time or on the displayed current date (because these displays are now checked and, if necessary, corrected using the time information received via radio).
  • it also makes sense - as far as independent protection is concerned - to use these two switches assigned to manual display correction, depending on the position of an operating mode switch, for interrupting or ending an alarm signal or for switching the additional display (alarm time - date ).
  • the autonomous radio clock 11 consists of a radio receiver 12 and a control circuit 13 for checking and, if necessary, correcting the current time display in accordance with the current time information 10 transmitted periodically by a time normal transmitter and for subsequent subsequent internal operation until the next time information is received, as described in more detail in DE-PS 34 39 638.
  • no analog pointer display is provided for the presentation of the time information, but a digital display with a display 14 made of grouped digits 15. At least one display element 16, in the example shown consisting of two digits 15 in addition to the other digital display on the display 14, is used to present information about current reception conditions.
  • a counter 17 is acted upon by counting pulses from a clock generator 18 (which can be the time-keeping circuit for autonomous clock operation designed in connection with the control circuit 13) and information proportional to the counting result is presented via the display element 16.
  • a clock generator 18 which can be the time-keeping circuit for autonomous clock operation designed in connection with the control circuit 13
  • information proportional to the counting result is presented via the display element 16.
  • the reset input R of the counter 17 is driven from the control circuit 13 to reset to the counting start state.
  • the display element 16 presenting the reception conditions shows the higher the information value, the longer the last check of the time display 19 was made, the more uncertain the match between the current time display and the actual, current time has become.
  • the counting start position of the counter 17 is at the value ZERO, an hourly counting pulse is output to the counter 17 and an hourly check of the current time display 19 with the time information 10 received by radio takes place, then the two-digit digital display element 16 always becomes kept at "00".
  • this display increases every hour, then this means that the reception conditions at the installation site of the radio clock 11 are so bad that it was no longer possible to receive decodable, valid time information 10 over the number of hours displayed, and therefore the current time display 19 accordingly uncertain (since it has not been confirmed for a long time); which is why the radio clock 11 is moved as far as possible to another spatial position or environment in which the built-in antenna 20 again enables undisturbed radio reception as time information 10 that can be evaluated.
  • This is done, for example, by means of a modulator circuit 21, which is controlled from the receiver 12 every second of the time information coding and thereby causes at least one of the digits 15 of the display element 16 to flash for a second.
  • the display 14 also has an additional display 22 in addition to the time display 19, the display element 16 assigned to the radio reception conditions is expediently subordinate to the magnitude and other conspicuity in the middle between the two displays 19-22 and thus in the middle of the display 14. arranged as considered in Fig. 1.
  • the additional display 22 can represent date information, as is also transmitted by radio and can be derived from the passage of time in the case of autonomous clock operation, shown, for example, via two pairs of digit-digits 15, each with a point 23 behind it.
  • the additional display 22 can also be an alarm time display, consisting of the two digit-pair digits 15 with only one decimal point 23 arranged in between and preceding letter digits 15 "AL" (see FIG. 1). If the radio clock 11 is thus equipped as an appointment or alarm clock, the AL display 22 thus indicates the manually specified point in time at which an alarm signal 24 will be triggered.
  • an operating mode switch S3 is set to the SET position, whereupon the button pair S1 or S2 gradually changes the digit or pair indicating the hours or the minutes, for example, in the rhythm of the manual switch actuation.
  • any of the pushbuttons S1 and S2 causes the additional display 22 to switch between the alarm time specification (FIG. 1) and the date; wherein the display 22 just given can remain until the next pushbutton actuation, or a switch back can be provided in terms of circuitry into a preferred display 22.
  • a coincidence stage 25 is activated which, if the predetermined alarm time matches the time actually reached, uses a coincidence signal 26 to provide a bistable stage 27 for controlling an alarm transmitter 28 (for example a piezoelectric converter) for emitting the Alarm signals 24 sets.
  • an alarm transmitter 28 for example a piezoelectric converter
  • the flip-flop 27 is reset on the one hand via an exclusive-OR gate 29 and, on the other hand, a monostable flip-flop 30 is started in order to switch the bistable level 27 after a certain (circuit-specific) pause time to set the alarm again (SNOOZE wake-up function). If, on the other hand, both pushbuttons S1 and S2 are actuated simultaneously (overlapping in time), the exclusive OR gate 29 does not respond, but an AND gate 31 connected downstream of the switches S1, S2, via which the signaling stage 27 is reset.
  • a flip-flop 32 triggers at least one signal that is very short in time (possibly peculiar in frequency or modulation), which serves as an acoustic acknowledgment for the overlapping actuation of the two pushbuttons S1-S2.
  • This "AL STOP" actuation also means that an alarm signal 24 is only emitted again when (after 24 hours) a time coincidence between the current default display 22 and the current time display 19 is reached again.
  • a time circuit 33 started in the set position of the alarm signaling stage 27 is used for the automatic termination of the delivery of the alarm signal 24 after a certain period of time, if there was no manual interruption or termination via the pushbuttons S1, S2; in order to avoid an ongoing disturbance of rest or an unnecessary load on the energy source (for example a battery) for the operation of the radio clock 11.
  • the energy source for example a battery
  • the bistable alarm stage 27 is expediently fixed in the reset position, so that an alarm cannot be triggered via the coincidence stage 25 for this reason alone.
  • the gate circuit shown in FIG. 3 also ensures that only one (and currently only one) of the pushbuttons S1, S2 for modifying the alarm time specification to the coincidence stage 25 is actuated only in the SET position of the operating mode switch S3 leads; while in the other two positions (ON or OFF) a signal 34 is generated which enables the information to be switched over to the additional display 22 (date - alarm time) when any of the pushbuttons S1, S2 is actuated; However, in the interest of clarity in FIG. 3, this is not implemented in terms of circuitry.
  • the gate circuit shown and the effects of the monostable and bistable flip-flops are advantageously not realized by a discrete circuit structure, but are perceived by additional functions of a central processor, which is in any case in the control circuit 13 for the periodic switching on of the receiver 12, for the decoding of the absolute time information 10 received by radio and, if necessary, for the correction of the time and date displays 19, 22.

Landscapes

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

Claims (6)

  1. Horloge radio-commandée (11) avec un compteur (17), rappelé à l'état initial en cas de réception d'une information de temps (10) valide, caractérisée en ce que le compteur (17) agit sur un élément d'affichage (16), en lui faisant opérer un comptage additionnel, à la cadence de la mise en service transitoire du récepteur radio (12).
  2. Horloge radio-commandée selon la revendication 1, caractérisée en ce que l'indication donnée par l'élément d'affichage (16) lorsque le récepteur radio (12) est en service, est modulée.
  3. Horloge radio-commandée selon l'une des revendications 1 ou 2, caractérisée en ce que la modulation de l'indication de l'élément d'affichage (16) s'effectue à la cadence codée, fournie par le récepteur (12) mis en service, de l'information d'heure (10).
  4. Horloge radio-commandée selon l'une des revendications précédentes, caractérisée en ce que l'élément d'affichage (16) est contenue dans un afficheur de l'heure (14), avec au moins une valeur numérique spéciale (15), servant d'information supplémentaire.
  5. Horloge radio-commandée selon la revendication 4, caractérisée en ce que la valeur numérique spéciale (15) est disposée dans un afficheur numérique (14) entre une information de temps (19) et un affichage complémentaire (22) pour d'autres fonctions d'horloge.
  6. Horloge radio-commandée selon l'une des revendications 1 à 3, caractérisée en ce qu'elle est équipée d'un transducteur d'alarme (28), pouvant être commandé en fonction de l'heure, par l'intermédiaire d'un étage de coïncidence (25).
EP88115451A 1987-09-23 1988-09-21 Montre commandée par radio Expired - Lifetime EP0308881B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3731956 1987-09-23
DE19873731956 DE3731956A1 (de) 1987-09-23 1987-09-23 Autonome funkuhr

Publications (3)

Publication Number Publication Date
EP0308881A2 EP0308881A2 (fr) 1989-03-29
EP0308881A3 EP0308881A3 (fr) 1991-03-13
EP0308881B1 true EP0308881B1 (fr) 1993-12-01

Family

ID=6336636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115451A Expired - Lifetime EP0308881B1 (fr) 1987-09-23 1988-09-21 Montre commandée par radio

Country Status (3)

Country Link
US (1) US5083123A (fr)
EP (1) EP0308881B1 (fr)
DE (3) DE3731956A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002723C2 (de) * 1990-01-31 2003-06-26 Junghans Uhren Gmbh Autonome Funkuhr
DE9010270U1 (fr) * 1990-05-04 1991-09-05 Junghans Uhren Gmbh, 7230 Schramberg, De
DE9010813U1 (fr) * 1990-07-20 1991-11-14 Junghans Uhren Gmbh, 7230 Schramberg, De
DE4108632A1 (de) * 1991-03-16 1992-09-17 Diehl Gmbh & Co Lasergestuetzter waffenwirkungssimulator
DE9110462U1 (fr) * 1991-08-23 1992-12-24 Junghans Uhren Gmbh, 7230 Schramberg, De
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
JP3160137B2 (ja) * 1993-12-01 2001-04-23 セイコーインスツルメンツ株式会社 電波修正時計
US5537101A (en) * 1993-12-07 1996-07-16 Casio Computer Co., Ltd. Time data receiving apparatus
DE4416869A1 (de) * 1994-05-13 1995-11-16 Opel Adam Ag Steuereinrichtung für eine durch Funksignale zu synchronisierende Uhr
JPH10341466A (ja) * 1997-06-10 1998-12-22 Nec Shizuoka Ltd 無線選択呼出受信機
US7230884B2 (en) * 2003-01-03 2007-06-12 The Sapling Company, Inc. Clock diagnostics
US6958953B2 (en) * 2003-05-13 2005-10-25 International Business Machines Corporation Real time clock circuit having an internal clock generator
US7068569B2 (en) * 2003-08-08 2006-06-27 John Dutkiewicz Apparatus and method for displaying time and randomly-selected text information
JP3876887B2 (ja) * 2004-02-04 2007-02-07 カシオ計算機株式会社 電波受信装置、電波受信回路、電波時計及び中継器
US20050250551A1 (en) * 2004-05-10 2005-11-10 Nokia Corporation Notification about an event
US20050259722A1 (en) * 2004-05-21 2005-11-24 Reginald Vanlonden Wireless clock system
KR100782513B1 (ko) * 2006-03-14 2007-12-05 삼성전자주식회사 디지털 방송 데이터의 수신이 가능한 이동통신 단말기 및그의 알람 수행 방법
JP2008170230A (ja) * 2007-01-10 2008-07-24 Seiko Epson Corp 時刻修正装置、時刻修正装置付き計時装置及び時刻修正方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795099A (en) * 1971-02-18 1974-03-05 Y Tsuruishi Electronic timepiece having a chronograph mechanism
DE2425254C3 (de) * 1973-05-28 1980-11-20 Citizen Watch Co., Ltd., Tokio Tragbare elektronische Uhr
JPS5357876A (en) * 1976-11-05 1978-05-25 Citizen Watch Co Ltd Watch with battery life warning display
US4255803A (en) * 1977-07-06 1981-03-10 Citizen Watch Company Limited Electronic timepiece equipped with alarm function
US4301524A (en) * 1978-01-04 1981-11-17 Fairchild Camera And Instrument Corp. Programmable alarm clock
GB1596628A (en) * 1978-01-23 1981-08-26 Plessey Co Ltd Heriter F A Indicating devices
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
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

Also Published As

Publication number Publication date
EP0308881A3 (fr) 1991-03-13
US5083123A (en) 1992-01-21
EP0308881A2 (fr) 1989-03-29
DE3885990D1 (de) 1994-01-13
DE3731956A1 (de) 1989-04-06
DE8717549U1 (fr) 1989-02-02

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