EP0204851A2 - Montre électrique - Google Patents

Montre électrique Download PDF

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Publication number
EP0204851A2
EP0204851A2 EP85107096A EP85107096A EP0204851A2 EP 0204851 A2 EP0204851 A2 EP 0204851A2 EP 85107096 A EP85107096 A EP 85107096A EP 85107096 A EP85107096 A EP 85107096A EP 0204851 A2 EP0204851 A2 EP 0204851A2
Authority
EP
European Patent Office
Prior art keywords
time
circuit
assigned
clock
clock according
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.)
Withdrawn
Application number
EP85107096A
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German (de)
English (en)
Other versions
EP0204851A3 (fr
Inventor
Erich Dipl.-Ing. Scheer (Fh)
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.)
Kieninger and Obergfell GmbH and Co
Original Assignee
Kieninger and Obergfell GmbH and Co
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 Kieninger and Obergfell GmbH and Co filed Critical Kieninger and Obergfell GmbH and Co
Publication of EP0204851A2 publication Critical patent/EP0204851A2/fr
Publication of EP0204851A3 publication Critical patent/EP0204851A3/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R40/00—Correcting the clock frequency
    • G04R40/06—Correcting the clock frequency by computing the time value implied by the radio signal

Definitions

  • the invention relates to an electric watch according to the preamble of claim 1.
  • the purpose of the invention is to improve the accuracy and the reliability of the time display of clocks in common use.
  • the invention is therefore based on the object of creating a clock to correct its deviations for civil use, which is relatively simple in construction and easy for the layman to use.
  • the radio receiver 1 shows the radio receiver of the watch according to the invention, which preferably receives the time signal wirelessly every hour on the hour via the antenna 1a.
  • the radio receiver 1 is a permanently tuned transistor receiver, which is supplied by the dry battery that also powers the clockwork.
  • the radio receiver 1 is switched on at the hour by the mechanical clockwork or an electronic control circuit assigned to it from shortly before to shortly after the hour in order to be ready for reception and transmission of the time signal. Continuous operation of the radio receiver 1 is conceivable, but is unsuitable in view of the power consumption associated with it, which loads the common supply battery.
  • the time signal received by the radio receiver 1 is now fed to the electronic converter 2, through which it is processed and fed to the digital circuits 3 and 4.
  • the digital circuits 3 and 4 are electronic storage circuits in which the time signal processed by the electronic converter 2 is temporarily stored, specifically the hourly value in the digital circuit 3 and the second value of the time signal in the digital circuit 4.
  • the digital circuits serve to represent the hours and seconds, which are defined by the time signal and which are at the outputs 3a and 4a, respectively are represented as binary bit groups for hour and second.
  • the digital circuits 3 and 4 now face the outputs 5a of the clockwork 5 and 6a of an electronic counter 6.
  • the outputs 5a are connected by a control device assigned to the clock and emulate the hour display 1-12 of the clockwork 5 in the form of a 4-digit group of bits at the outputs 5a.
  • the hourly numbers 1-12 can be represented by a bundle of 4 lines a - c, which can be assigned by the control device of the clockwork 5 according to a binary code. This assignment changes with the change of each hour display according to the selected code of the control device.
  • the stepping motor of the clockwork 5 is advanced by the oscillator circuit 8 controlled by the control quartz 7 via the frequency divider 9, preferably at a second rate.
  • the electronic counter 6 Via an output 9c of the frequency divider 9, the electronic counter 6 is preferably also controlled with secondary pulses or advanced in its count.
  • the electronic counter 6 has a counting range of one hour, i.e. So from 36oo seconds. The counting process starts again from 1 after every full hour. Together with the output 9c of the frequency divider 9 connected to the feed line 10, the outputs 9a, 9b of the frequency divider 9 leading to the stepping motor of the clockwork 5 are also pulsed.
  • the continuation of the second hand of the clockwork 5 thus takes place synchronously with that of the electronic counter 6, only that the second hand makes 6, 6o full revolutions on the dial of the clock 5 during a full counting process of the electronic counter.
  • the count of the electronic counter 6 and the position of the second hand of the clockwork 5 are synchronized with one another in such a way that the counting process of the electronic counter 6 begins at the position 6 0 (12) of the second hand of the clockwork 5 and its counting process at the position 59 of the second hand, ie ended at his count of 3599.
  • the count of the electronic counter 6 is shown encoded at the outputs 6a.
  • the electronic counter 6 can be reset to the initial count for seconds 4 in the event of a time signal arriving every hour or daily on the hour after detection and storage of a deviation via the feed line 17 from the digital circuit. In this way, a constant synchronization between the count of the electronic counter 6 and the time signal can be achieved.
  • a preferably manually actuated control contact 11 is now provided, which via a circuit arrangement 12 and leads 13, 14 with the inputs 6b and 9d of the electronic counter 6 and the frequency divider 9 is connected.
  • the inputs 6b and 9d are so-called control inputs, the electronic counter 6 of which is reset when it is connected, and its counting process and the stepping motor 5 continue to be interrupted for the duration of the connection.
  • the synchronization is carried out in such a way that when position 6 0 (12) is reached, the setting button 11, which is arranged at a location accessible on the watch case, is actuated by the second hand of the clockwork 5.
  • the clockwork 5 stops immediately.
  • the minute and hour hands of the clockwork 5 are now set to the pointer position corresponding to the synchronization time, for example by means of an adjusting button.
  • the actuation of the control contact 11 is ended.
  • the second hand of the clockwork 5 continues its step movement and the electronic counter 6 starts its counting process from zero. For the time being, the second hand of the clockwork 5 and the electronic counter 6 remain tied. The same applies analogously to the minute hand.
  • Comparator circuits 15, 16 for the hours (15) and the seconds (16) are now assigned to the digital circuits 3 and 4 on the one hand and the clockwork 5.5a and the electronic counter 6 on the other hand.
  • the comparator circuits 15, 16 monitor the digital assignments of the outputs 3a, 4a and 5a, 6a. They take effect at the moment of the incoming time signal from the radio receiver 1 and determine a possible deviation between the time signal and the pointer position of the clockwork 5. The monitoring is carried out separately according to hours (15) and seconds (16). Is determined, a deviation in comparing the hours (15), the determined difference is transferred via the feed line 18 to a computing stage 19, which multiplies the determined difference hours with 36 00 to reach a second value. The product is forwarded digitally via the feed line 20 to an addition stage 21, which adds the product of the computer stage 19 to the second difference determined in the comparator circuit 16, which is fed to the addition stage 21 in digital form via the feed line 22. Under normal operating conditions, however, only seconds values from the comparator circuit for seconds 16 are generally transmitted to the addition stage 21, if a deviation can be determined at all.
  • a zero product of the multiplier circuit 19 is added to the second values transmitted by the comparator circuit 16 in the addition stage 21, and the sum is then transmitted to a further computer circuit 24 via the feed line 23.
  • the purpose of the computer circuit 24 is to use the determined deviation of the time display to define that number of pulses which is to be temporarily applied to the stepper motor - in the case of a detected retardation with an increased frequency and in the case of a detected advance with a reduced frequency - in order to correct the deviation .
  • the different correction frequencies f K are expediently taken from stages of the frequency divider 9, so that the correction frequencies are in a ratio of 2 n to the normal extension frequency f N of the stepping motor (5).
  • a frequency that is 2 2 or 2 3 higher is advantageously tapped at the frequency divider 9, while for correcting an advance a frequency that is lower by a factor of 2 1 or 2 2 is tapped at the frequency divider 9, the divider stages of which are expanded accordingly for this purpose.
  • Tapping the correction frequencies f K from divider stages of the frequency divider 9 other than the stage corresponding to the normal propagation frequency f N has the advantage, among other things, of the synchronicity of the individual frequency pulses of the individual divider stages in relation to one another.
  • This synchronicity is important for the switching processes from the normal continuous frequency f N to the correction frequencies f K and vice versa.
  • the pulse-pause ratio of the pulse is expediently changed, with the aim of increasing the pulse length. This is advantageously done in that outputs of the frequency divider stages are used for controlling the stepping motor (5) without superpositions with the outputs of frequencies which are higher in frequency. In this way, the greatest possible pulse width is achieved.
  • the correction network is assigned a correction circuit 26, via which the functional sequences can be determined.
  • a sign discriminator circuit is assigned to the comparator circuits 15, 16.
  • the sign signal which characterizes the direction of the deviation, is transmitted to the correction circuit 26 via the feed line 27. From there, the computer circuit 24 is instructed via the feed line 28 by which parameter the absolute second value of the deviation transmitted via the feed line 23 is to be multiplied before it is stored or stored in the correction memory 25.
  • the correction circuit 26 also determines the type of the correction frequency f K ) which - depending on the sign criterion transmitted via the feed line 27 - is to be effective for the upcoming correction process.
  • the correction circuit 26 switches the stepping motor (5) back to the normal value of the stepping frequency f N , with which the operation of the stepping motor (5) is continued.
  • Correcting a lead T F by pulsing the stepping motor (5) with a lower frequency f K than the normal indexing frequency f has the advantage that an interruption in the indexing of the clock is avoided, it is only slowed down. A viewer of the watch during a correction period is therefore not confused by a stationary second hand.
  • the stepping motor (5) is influenced via the correction circuit 26, which is connected to the frequency divider 9 via the feed lines 3 aa, 3 ob. In this case, however, the progression of the second hand of the watch remains interrupted for the duration of the correction process. However, since longer correction processes rarely occur, such a temporary interruption in the advancement of the second hand is acceptable.
  • the storage on the correction memory 25 is deleted if it has not already been canceled by counting during the calculation.
  • the correction memory 25 is then available again for the next correction process.
  • FIG. 2 shows another embodiment of the invention. While in FIG. 1 the comparator circuit for hours 15 is acted upon directly by the clockwork 5 as a control device via the feed line 5a, the feed line 5a representing a bundle of lines which e.g. of contacts of the clockwork 5 is wired according to a specific digital control code, an electronic counter 40 is provided in FIG. 2, which is connected via a feed line 41 by an hourly actuated control device, e.g. a contact of the clockwork 5, one unit at a time. A reset is made once a day to an initial count, e.g. 1. This reset takes place e.g. shortly before 1 a.m. In this way, synchronization between the hourly state of the clockwork 5 and the electronic counter 4o is achieved once a day, in the event that a deviation between the time display and the electronic counter 4o should have occurred for some reason.
  • an electronic counter 40 is provided in FIG. 2, which is connected via a feed line 41 by an hourly actuated control device, e.g
  • the arrangement according to FIG. 2 has the advantage of a considerably simpler construction of the clockwork 5. For example, only one contact (41) is required for advancing the electronic counter 4o and one contact (42) for its synchronization.
  • a clockwork 5 according to the invention is shown as an assembly unit.
  • the actual clockwork 5 is applied to a printed circuit board 51 which also encloses the entire electronics of the electrical clock according to the invention. So on the back 52 of the printed circuit board 51 ferrite coils 53, 54 and a trimmer 55 are provided for fixed tuning.
  • An integrated circuit 56 includes the receiver circuit for the radio receiver 1 together with the required capacitances and resistors.
  • the dry cell 59 is used for the common supply of all switching and control circuits. It is held on the rear side 52 of the printed circuit board 51 by battery terminals 59a, 59b and is electrically connected to the circuits.
  • a control quartz 6o with a capacitance 61 in cooperation with the / integrated circuit 58, serves as the time standard for the electric clock with the aim of maintaining the time keeping between the individual time signals.
  • Printed conductor tracks 63 are provided on the front side 62 of the printed circuit board 51, with which the described electronic components 53-58; 6 0 , 61 are soldered.
  • a coding disk 66 is applied, which, in cooperation with contact springs 67 attached to the front 62 of the printed circuit board 51 and connected to conductor tracks 63, form a sliding contact device 7o, which serves as a control device (5, 5a; 42).
  • the sliding contact device 7o can comprise a plurality of contacts 66, 67 representing the time display of the hours immediately after a digital code, which e.g. directly control the comparator circuit for hours 15 (FIG. 1).
  • the sliding contact device 7o can also be used to synchronize the electronic counter 4o via the feed line 42, which is carried out once a day, preferably between 0:00 and 1:00 (FIG. 2).
  • the clockwork 5 is assigned a further contact, operated once an hour, for the hourly switching of the electronic counter 4o, which is connected to the latter via the feed line 41.
  • the minute wave 68 and the second wave 69 On the hour tube 65, the minute wave 68 and the second wave 69, the hour, minute and second hands (not shown) serving for the time display are applied.
  • the printed circuit board 51 (FIGS. 3, 4) can also be designed as a substrate plate of a thick-film circuit, the electronic circuits and components enclosed in the integrated circuits 56 to 58 in the embodiment according to FIGS the thick film circuit are detected.
  • the correction network of the watch is controlled by a microcomputer, which in particular takes on the function of the correction circuit 26.
  • the functional sequence of the correction game is controlled via a program entered into the microcomputer, and one or the other component of the correction network can also be included in the computer program with regard to its function.
  • the function of the computing circuits can be taken over by the microcomputer and its peripherals.
  • a small ferrite rod antenna added to the watch can be used as the antenna for the receiving part 53-56 of the radio receiver 1 of the watch according to the invention, which antenna is attached to the printed circuit board 51 and is also connected to the conductor tracks 63 thereof.
  • a conductive connection between the input circuits of the receiver circuit (1) and the metal parts of the watch case is sufficient to achieve a sufficient input level.
  • a time switching device is assigned to the electric clock, which briefly switches on the time signal receiver, in particular radio receiver 1, for the upcoming time signal transmission until the end of the time signal transmission. In this way, a noticeable saving in electricity is achieved with the common supply battery 59.
  • a further, electronically operating time switch device is assigned, which becomes effective over a longer period of time when the clock is no longer connected to the time signal.
  • a feed line 5c is provided for this purpose, which leads from the clockwork 5 to a logic circuit 46. Via this logic circuit 46, the radio receiver 1 is switched on via the feed line 46a shortly before to shortly after the time signal, with the endeavor that the radio receiver 1 is ready for operation and reception when the time signal arrives.
  • An electronic counter 45 is continuously switched by the clockwork 5 every hour via a line bundle 5b. Each time the time signal is received, the electronic counter 45 is reset by the comparator circuit for the hour 15 via the lead 15a. If there is no more signal reception because the radio receiver 1 is no longer connected in a character-synchronized manner due to larger deviations in the time display, the counter 45 reaches an increased count, which switches on the radio receiver 1 via the feed line 4Sa, the logic circuit 46 and the feed line 46a initiates and maintains for a longer period of time, as long as until another time signal reception and thus a synchronization of the time display from the clockwork 5 and thus also a reset of the time switching device 45 can occur.
  • the electronic counter 45 can be controlled further via a feed line 41a from the pulse line 41 of the clockwork mechanism 5, which also controls the electronic counter 40.
  • FIGS. 1 and 2 are schematic diagrams in which only the modules necessary for understanding the function are listed. Less significant details of the circuits have not been shown for the sake of clarity.
  • the clock according to the invention is independent of the position. All the circuit arrangements required for the corrective measures can be combined with the clockwork to form a closed structural unit, which simplifies the clock assembly and the clockwork also for smaller clocks, e.g. Alarm clock and style clocks, can be used.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
EP85107096A 1984-06-07 1985-06-08 Montre électrique Withdrawn EP0204851A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3421189A DE3421189A1 (de) 1984-06-07 1984-06-07 Elektrische uhr

Publications (2)

Publication Number Publication Date
EP0204851A2 true EP0204851A2 (fr) 1986-12-17
EP0204851A3 EP0204851A3 (fr) 1988-03-23

Family

ID=6237821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85107096A Withdrawn EP0204851A3 (fr) 1984-06-07 1985-06-08 Montre électrique

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EP (1) EP0204851A3 (fr)
DE (1) DE3421189A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994010612A1 (fr) * 1992-10-31 1994-05-11 Schaeffel Fritz Mouvement d'horlogerie radiocommande
US6269055B1 (en) 1998-11-16 2001-07-31 Quartex, A Division Of Primex, Inc. Radio-controlled clock movement
US6304518B1 (en) 1999-04-12 2001-10-16 Quartex Division Of Primex Inc. Clockworks, timepiece and method for operating the same
WO2003052527A1 (fr) * 2001-12-17 2003-06-26 Eurochron Gmbh Mecanisme d'horlogerie radio-pilote pour l'ajustement de l'aiguille

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29711080U1 (de) * 1997-06-25 1997-08-14 Creativ Product Elektro Und Fe Analoge Funkuhr
DE10134772B4 (de) * 2000-07-07 2010-11-04 Müller, Wolfgang Vorrichtung zur Wochentag- und Monatstaganzeige

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852953A (en) * 1972-04-12 1974-12-10 S Mischiatti Control and synchronisation of clocks
DE2913993A1 (de) * 1978-04-06 1979-10-18 Citizen Watch Co Ltd Analog/digital-umwandlungssystem fuer eine elektronische uhr
WO1984001630A1 (fr) * 1982-10-07 1984-04-26 Richard John Walters Systeme d'affichage de temps

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2252745C2 (de) * 1972-10-27 1983-01-05 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zur laufenden Übermittlung der Uhrzeit
DE2946506A1 (de) * 1979-11-17 1981-05-27 Jauch, Heinz, Dr., 7720 Schwenningen Vorrichtung zur synchronisation von uhrwerken mit gangregler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852953A (en) * 1972-04-12 1974-12-10 S Mischiatti Control and synchronisation of clocks
DE2913993A1 (de) * 1978-04-06 1979-10-18 Citizen Watch Co Ltd Analog/digital-umwandlungssystem fuer eine elektronische uhr
WO1984001630A1 (fr) * 1982-10-07 1984-04-26 Richard John Walters Systeme d'affichage de temps

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994010612A1 (fr) * 1992-10-31 1994-05-11 Schaeffel Fritz Mouvement d'horlogerie radiocommande
US5671192A (en) * 1992-10-31 1997-09-23 Schaffel; Fritz Radio-controlled clockwork
DE4236903C2 (de) * 1992-10-31 1999-04-29 Schaeffel Fritz Dipl Ing Fh Funkgesteuertes Uhrwerk
US6269055B1 (en) 1998-11-16 2001-07-31 Quartex, A Division Of Primex, Inc. Radio-controlled clock movement
US6304518B1 (en) 1999-04-12 2001-10-16 Quartex Division Of Primex Inc. Clockworks, timepiece and method for operating the same
WO2003052527A1 (fr) * 2001-12-17 2003-06-26 Eurochron Gmbh Mecanisme d'horlogerie radio-pilote pour l'ajustement de l'aiguille
DE10161854B4 (de) * 2001-12-17 2005-01-13 Eurochron Gmbh Funkuhrwerk mit Detektor für die Zeigerstellung

Also Published As

Publication number Publication date
EP0204851A3 (fr) 1988-03-23
DE3421189A1 (de) 1985-12-12

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