EP0529390A2 - Dispositif de détection de la position du rouage avec de correction - Google Patents

Dispositif de détection de la position du rouage avec de correction Download PDF

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Publication number
EP0529390A2
EP0529390A2 EP92113613A EP92113613A EP0529390A2 EP 0529390 A2 EP0529390 A2 EP 0529390A2 EP 92113613 A EP92113613 A EP 92113613A EP 92113613 A EP92113613 A EP 92113613A EP 0529390 A2 EP0529390 A2 EP 0529390A2
Authority
EP
European Patent Office
Prior art keywords
wheel
hour
motor
beam path
disc
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
EP92113613A
Other languages
German (de)
English (en)
Other versions
EP0529390A3 (en
EP0529390B1 (fr
Inventor
Jürgen Allgaier
Wolfgang Ganter
Roland Maurer
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 EP0529390A2 publication Critical patent/EP0529390A2/fr
Publication of EP0529390A3 publication Critical patent/EP0529390A3/de
Application granted granted Critical
Publication of EP0529390B1 publication Critical patent/EP0529390B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Such a device is known from DE 38 28 810. It essentially consists of a reflex light barrier with a rotating diaphragm disk system in front of a rotating mirror pattern that extends over different arc lengths. On the irradiation side, the diaphragm disk system has an interrupted mirror coating on the second wheel of a pointer mechanism, which interacts with its intermediate wheel designed as a pinhole in the beam path of the light barrier. For unambiguous angular position detection results, an aperture disc combination is arranged in front of the minute wheel mirroring, which consists of the second wheel and its intermediate wheel.
  • the light barrier evaluation of the different shading and passage positions of the diaphragm openings in the beam path is quite complex in terms of equipment and requires a comparatively large amount of time for the pivoting in of all the pointers connected to the gears or rigidly connected to the wheels into a defined reference position, from which to the angular position for the current pointer time display in front of the scale of a radio clock of the type described in more detail in US 4,645,357 is described, can be switched.
  • the implementation of a light barrier in the wheel area of the movement makes it possible to dispense with a visually disturbing direct optronic pointer angle position query in the dial of the watch; but the generic pinhole system is still not optimal in terms of the plant structure and the effort for the motor controls.
  • the invention is based on the object of designing a device of the generic type in such a way that a simpler position query and transfer of the display elements into a predetermined display position, in particular into a reference position, can be realized.
  • the wheel mirrored on the irradiation side is the hour wheel of the clockwork.
  • This hour wheel is the first in the radiation path and can be moved independently of the wheels for the other display elements, preferably via its own motor.
  • a movable deflection mirror or fixed behind a movable pinhole
  • the minute wheel and the second wheel are arranged coaxially behind the hour wheel, so that the tried-and-tested, inexpensive design of a standard pointer mechanism can be used.
  • the rear mirror function for the beam path deflection is performed by the small bottom wheel behind the idler wheel, both of which are eccentrically mounted with respect to the pointer shaft axes, in order to be able to maintain the tried-and-tested, easy-to-assemble standard structure of a watch wheel train.
  • drive motors which can be controlled act on one with its rotor pinion the idler gear to the second gear and also via the gear coupling of the small ground gear to the minute gear; while a separate motor with a reduction is provided for driving the hour display, which does not interfere with the beam path.
  • the drive motors according to the technology commonly found today in electromechanical clockworks are bipolar stepper motors, they are expediently first of all subjected to a pulse of the randomly given polarity at the start of operation, so that they react uniformly to the subsequent control with reversed polarity if then the beam barrier diaphragm system is to be adjusted in a defined manner in order to be able to move into a clear reference position from a randomly given, not yet clear reflex situation.
  • a reflex signal can initially stem from the fact that the beam path up to the rear mirror is cleared through all pinholes; however, it can also be due to the fact that the mirroring of the foremost wheel on the input side lies in the beam path, that is to say the foremost wheel is not in the reference position (with any position of the perforated apertures behind it). If the reflex signal should not come from the input mirroring, but from the rear mirror, then it would have to disappear when the rear diaphragm disks are moved out of the current position. Therefore, the gearbox is temporarily moved. If this does not yet lead to the interruption of the reflex signal, this can only be due to the fact that the beam path is already reflected at the input mirroring. It is then their aperture disc is driven for adjustment until the input mirroring is interrupted.
  • the reference position of the hour aperture and the display means (for example an hour hand) coupled to it can be reached. If the reflex signal has now disappeared, the other pinhole diaphragms are then moved again until they align their holes with the hole interruption in the entrance mirroring, so that the beam path now passes through the rear mirror is continuous and the reflex signal appears again at the barrier.
  • the other display means minute and second hands are also pivoted into the reference position, from which the display position corresponding to the absolute time can now be moved in, as is known as such in radio-controlled clocks.
  • the movement 11 sketched in broken longitudinal section by its pointer shaft axis 10 for a radio clock 12 with a pointer time display holds a second hand shaft 14 in a carrier plate 13, the torsionally rigid is connected to a second wheel 15 arranged behind it.
  • this is driven continuously or preferably discontinuously via an intermediate wheel 16 by a so-called second motor 17, of which the stator 19 included in the sectional plane of FIG. 1 Rotor 20 is.
  • Concentric with the second wheel 15, the carrier plate 13 is held opposite, between the latter and a circuit board 21 delimiting the front 11, the minute wheel 22 with the minute hand shaft 23 and the hour wheel 24 with the hour hand shaft 25.
  • the hour wheel 24 While the minute wheel 22 is driven by the second wheel 15 via a small bottom wheel 28 located eccentrically at the back in the factory 11, the hour wheel 24 has its own motor 26 to avoid a gear change (FIG. 2).
  • a reduction gear 27 is expediently connected downstream of it, so that the hour hand is moved further, for example, with the step sequence of 1/60 Hz (ie one step per minute).
  • the circuit board 21 carries, in particular, the radio clock circuit 29 for receiving and decoding absolute time information, a control circuit 30 for time-keeping and, if necessary, also for corrective drive of the movement 11, and a reflex barrier 31 with transmitting part 32 and receiving part 33 for the visible or invisible spectral range Pointer position detection, including the wiring between these electrical functional components.
  • the beam path 34 traverses a plurality of pinholes, of which a carrier hole 13 'is formed in the carrier plate 13, that is to say is arranged in a device-fixed manner.
  • the rear hole 28 ' has the function of a reversal in the beam path 34 and is therefore deposited in the illustrated passage position of the perforated diaphragms by a mirror 35 which (see FIG.
  • the front pane 24 ′′ closest to the transmit / receive parts 32/33 of the barrier 31 is provided with a mirror coating 37 at least over a circular ring width in the beam path 34, but interrupted by a hole 24 ′.
  • the three movable perforated diaphragm disks 22 ′′, 15 ′′ and 16 ′′ arranged behind in path 34 are only equipped with diaphragm through holes 22 ′, 15 ′ and 16 ′.
  • the motors 17, 26 are bipolar stepper motors which are driven with pulses of alternating pulse polarity
  • a rotor position detector should actually be provided which, when the clock 12 is started up (for example by inserting one Battery 39) pre-sets the driver circuit 40 so that the first drive pulse 41 to be emitted also has the polarity that is at the current rotor position produces a torque.
  • the use of such a detector circuit would be too complex in terms of the price requirements for a consumer watch. This effort is now avoided by starting a clock pulse 42 for a single drive pulse 41 with currently occurring polarity on the motors 17, 26 with their randomly given rotor position.
  • the reflex signal 38 appears without it being possible to tell whether it is due to a reflection on the front mirror 37 or on rear mirror 35 is based.
  • the aperture system is therefore initially to be adjusted so that no reflex signal 38 occurs due to the lack of a continuous beam path 34.
  • the reflex signal 38 therefore controls the driver 40 for the second motor 17, with a polarity which is now reversed with respect to the drive pulse 41 mentioned above, so that the motor 17 takes a step out of the given position and thereby the idler wheel disc 16 '' shifted by at least the arch path taken by its hole 16 '.
  • the instantaneous position of an hourly position detector 46 is queried, which preferably counts the increments of the motor 26 accumulated from a reference position, in order to avoid a more complex absolute angle encoder for the hourly disk 24.
  • the motor 26 is controlled via a query stage 47 until a full hour hand cycle has been counted, in order then to reset the detector 46 to zero by means of a reset signal 48, and the previous play of the query and switching is repeated as if through the loop 3 illustrated upward to the left of the center.
  • the query as hour position detector 46 inevitably provides instantaneous values below the reference position, which is preferably (as taken into account in FIG.
  • the seconds motor 17 will continue to be operated until the barrier 31 has a continuous beam path 34 again and the seconds Position detector 45 is reset to the zero position. Now all the pointers are in their reference position, and from now on the pointer movement is counted in order to be able to turn it in rapid motion into an absolute time information received and decoded in the radio clock 12 and then to be able to move it out of it in a time-keeping manner.
  • a manually triggerable stop circuit 49 is provided in dashed lines in FIG. 2 and in FIG. 3, which essentially results in bridging the query of the hourly position detector 46. This has the effect that the hour wheel 24 stops when the reference position is reached for the first time, if the beam path 34 is blocked behind the mirroring hole 24 'on the input side. Thereupon, the interrogation of the barrier 31 leads to the further rotation of these rear diaphragm disks up to the coaxial position of their openings, so that the beam path 34 to the rear mirror 35 is released.
  • the beam path 34 is not released at the latest after two complete rotations of the minute wheel, but after each round.
  • this bridging function of the stop circuit 49 is canceled again, and the orifice plate disks move into the reference position predetermined by the clockwork kinematics, as explained above.
EP92113613A 1991-08-29 1992-08-10 Dispositif de détection de la position du rouage avec de correction Expired - Lifetime EP0529390B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4128752 1991-08-29
DE4128752A DE4128752C2 (de) 1991-08-29 1991-08-29 Stellungsdetektions- und -Korrektureinrichtung

Publications (3)

Publication Number Publication Date
EP0529390A2 true EP0529390A2 (fr) 1993-03-03
EP0529390A3 EP0529390A3 (en) 1995-02-22
EP0529390B1 EP0529390B1 (fr) 1997-01-08

Family

ID=6439445

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92113613A Expired - Lifetime EP0529390B1 (fr) 1991-08-29 1992-08-10 Dispositif de détection de la position du rouage avec de correction

Country Status (5)

Country Link
US (1) US5231612A (fr)
EP (1) EP0529390B1 (fr)
JP (1) JP2941576B2 (fr)
DE (2) DE4128752C2 (fr)
HK (1) HK69097A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721154A1 (fr) * 1995-01-05 1996-07-10 Isa France S.A. Dispositif et procédé de détection et de correction de la position de mobiles

Families Citing this family (34)

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Publication number Priority date Publication date Assignee Title
US5363348A (en) * 1992-09-04 1994-11-08 Damle Madhav N High resolution, remotely resettable time clock
DE4236903C2 (de) * 1992-10-31 1999-04-29 Schaeffel Fritz Dipl Ing Fh Funkgesteuertes Uhrwerk
JP2500513B2 (ja) * 1992-11-10 1996-05-29 株式会社精工舎 時計機械体
DE9401000U1 (de) * 1994-01-21 1994-03-17 Hkw Elektronik Gmbh Getriebestandserfassungseinrichtung insbesondere für Funkuhren
JP3295315B2 (ja) * 1996-10-18 2002-06-24 セイコークロック株式会社 時計機械体
JP3328518B2 (ja) * 1996-11-06 2002-09-24 セイコークロック株式会社 時計機械体
GB2352061B (en) * 1996-11-06 2001-03-28 Seiko Clock Inc Timepiece movement
DE29714186U1 (de) * 1997-08-08 1998-12-10 Junghans Gmbh Geb Funkuhrwerk
DE29718454U1 (de) 1997-10-17 1999-02-11 Junghans Uhren Gmbh Solarbetriebene Funkuhr
DE29722809U1 (de) * 1997-12-23 1998-02-19 Lre Technology Partner Gmbh Meßeinrichtung mit einem Meßmodul und einer Uhr
US6307815B1 (en) * 1998-07-23 2001-10-23 Sandia Corporation Microelectromechanical timer
US6269055B1 (en) 1998-11-16 2001-07-31 Quartex, A Division Of Primex, Inc. Radio-controlled clock movement
WO2000062132A1 (fr) * 1999-04-12 2000-10-19 Quartex Rouages d'horloge, horloge et leur procede de fonctionnement
CN1132077C (zh) * 1999-05-06 2003-12-24 阿苏拉布股份有限公司 包括用于指示同轴模拟显示指针之角度位置的装置的钟表
US6473367B2 (en) * 2000-12-15 2002-10-29 Koung-Chung Peng Positioning mechanism for a radio clock
US6473366B2 (en) * 2000-12-15 2002-10-29 Koung-Chung Peng Method for timing a clock
US20030063525A1 (en) * 2001-09-28 2003-04-03 Ken Richardson Microprocessor controlled quartz analog clock movement
DE10159010B4 (de) * 2001-11-30 2011-11-10 Legrand-Bticino Gmbh Elektromechanische Schaltuhr
TW558677B (en) * 2002-08-02 2003-10-21 Chih-Hao Yiu Device for detecting angular position
TW558676B (en) * 2002-08-02 2003-10-21 Chih-Hao Yiu Device for detecting angular position
US20040125702A1 (en) * 2002-10-21 2004-07-01 Hideki Kitajima Rotational position detection device, hand position detection device and clock using the hand position detection device
US6804173B2 (en) * 2002-10-28 2004-10-12 Chih Hao Yiu Rotary members for timepiece having reflector sheets
US20040085860A1 (en) * 2002-10-31 2004-05-06 Yiu Chih Hao Position detecting and correcting device for timepiece
JP2004184404A (ja) * 2002-11-21 2004-07-02 Seiko Instruments Inc 針位置検出装置及びこれを備えた電子時計
JP2004184405A (ja) * 2002-11-21 2004-07-02 Seiko Instruments Inc 針位置検出装置及びこれを用いた電子時計
US20040120223A1 (en) * 2002-12-20 2004-06-24 Luk Tai Wai Timepiece movement
EP1510891A1 (fr) * 2003-04-17 2005-03-02 Hideki Electronics Limited Horloge controlée par radio avec indicateur analogique et projection digitale
US20050259722A1 (en) * 2004-05-21 2005-11-24 Reginald Vanlonden Wireless clock system
EP1662343B1 (fr) 2004-11-29 2009-02-25 Seiko Epson Corporation Appareil électronique, procédé de détection des positions des aiguilles dans un appareil électronique, et programme de détection des positions des aiguilles dans un appareil électronique
CN101395543B (zh) * 2006-03-03 2010-08-25 西铁城控股株式会社 模拟电子表
JP5382948B2 (ja) * 2010-10-05 2014-01-08 リズム時計工業株式会社 時計のムーブメント
WO2012162887A1 (fr) * 2011-06-01 2012-12-06 Fung Wai Tong Horloge à quartz analogique et procédé associé de réglage de l'heure
US11175747B2 (en) * 2013-02-04 2021-11-16 Pixart Imaging Inc. Optical processing apparatus and operating method thereof
TW201925824A (zh) * 2017-12-01 2019-07-01 原相科技股份有限公司 用於可旋轉裝置定位之光學機構

Citations (2)

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Publication number Priority date Publication date Assignee Title
DE3828810A1 (de) * 1988-08-25 1990-03-01 Kienzle Uhrenfabriken Gmbh Vorrichtung zur anzeigestellungsdetektion fuer eine analoge elektronische uhr, insbesondere eine funkgesteuerte uhr
FR2639727A1 (fr) * 1988-11-30 1990-06-01 Ruhla Uhren Veb K Mecanisme d'horlogerie pour montres a commande radio

Family Cites Families (2)

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CH646301GA3 (fr) * 1981-12-23 1984-11-30
DE3510861C2 (de) * 1984-11-09 1986-09-25 Gebrüder Junghans GmbH, 7230 Schramberg Anzeigestellungs-Detektionseinrichtung für eine Uhr, insbesondere eine Funkuhr

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3828810A1 (de) * 1988-08-25 1990-03-01 Kienzle Uhrenfabriken Gmbh Vorrichtung zur anzeigestellungsdetektion fuer eine analoge elektronische uhr, insbesondere eine funkgesteuerte uhr
FR2639727A1 (fr) * 1988-11-30 1990-06-01 Ruhla Uhren Veb K Mecanisme d'horlogerie pour montres a commande radio

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721154A1 (fr) * 1995-01-05 1996-07-10 Isa France S.A. Dispositif et procédé de détection et de correction de la position de mobiles
CH688951GA3 (fr) * 1995-01-05 1998-06-30 Isa France Sa Dispositif et procédé de détection et de correction de la position de mobiles.

Also Published As

Publication number Publication date
DE4128752C2 (de) 1997-12-04
EP0529390A3 (en) 1995-02-22
HK69097A (en) 1997-05-30
DE4128752A1 (de) 1993-03-04
US5231612A (en) 1993-07-27
JPH05209970A (ja) 1993-08-20
EP0529390B1 (fr) 1997-01-08
JP2941576B2 (ja) 1999-08-25
DE59207832D1 (de) 1997-02-20

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