EP0644468B1 - Pièce d'horlogerie à affichage analogique pouvant fournir une ou plusieurs informations alphanumériques sur l'état d'un mode de fonctionnement ou d'un événement programmé - Google Patents

Pièce d'horlogerie à affichage analogique pouvant fournir une ou plusieurs informations alphanumériques sur l'état d'un mode de fonctionnement ou d'un événement programmé Download PDF

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Publication number
EP0644468B1
EP0644468B1 EP94114128A EP94114128A EP0644468B1 EP 0644468 B1 EP0644468 B1 EP 0644468B1 EP 94114128 A EP94114128 A EP 94114128A EP 94114128 A EP94114128 A EP 94114128A EP 0644468 B1 EP0644468 B1 EP 0644468B1
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EP
European Patent Office
Prior art keywords
hands
message
timepiece
display
timepiece 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.)
Expired - Lifetime
Application number
EP94114128A
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German (de)
English (en)
French (fr)
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EP0644468A1 (fr
Inventor
Daniel Koch
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.)
ETA SA Manufacture Horlogere Suisse
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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Publication date
Application filed by Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Publication of EP0644468A1 publication Critical patent/EP0644468A1/fr
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Publication of EP0644468B1 publication Critical patent/EP0644468B1/fr
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0007—Light-, colour-, line-, or spot-effects caused by parts or pictures moved by the clockwork
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • 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
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors

Definitions

  • the present invention relates to a timepiece with analog display capable of providing one or more alphanumeric information, relating to the state of a mode of operation of this part and / or in the state of a scheduled event, linked to this operating mode.
  • the invention relates to a part timepieces with analog display having at least one mode other than the normal display mode of time, which can provide information related to the state of this operating mode and / or the state of a related event that includes the minus two needles, most often one hours and a minute hand, which are operated independently by motor means, means control electronics conformed to manage said mode of operation and state display means able to provide a part user at least one alphanumeric message informing him of the state of said operating mode and / or on the state of said event.
  • alarm means the passage to a precise time unit, by example an appointment time, a day to remember which corresponds for example to a birthday, or even a combination of units from these two time scales.
  • the scheduled event can therefore be one hour, one whatever date or other time, scheduled at a specific time, and which one wishes to be informed of the deadline by a clear message, at the same time of this deadline, and possibly later on repeatedly, repeatedly, until you have receipted the actual receipt of this information.
  • alarm time we mean a unit of time, without limitation, preferably programmed by the user, via manipulation procedures special.
  • the timepiece can display, in combination with the display of an event or in isolation, one or more information relating to the state of one of its operating modes, for example, the indications on (on) or off (off) for alarm mode.
  • Classic timepieces that allow to display information such as those mentioned above, generally include a device digital display provided by a cell liquid crystal, the structure of which provides a message in alphanumeric form, by selecting a number of electrodes, structured inside the cell.
  • This type of liquid crystal display can be combined with an analog needle display to provide, in addition to conventional time information, desired alphanumeric information.
  • the object of the present invention is to remedy the above drawbacks by providing a analog timepiece of simple construction, reliable and inexpensive, capable of providing the user one or more alphanumeric messages informing him of the state of one or more operating modes of the piece and / or event.
  • the present invention further aims to provide a timepiece of the aforementioned type in which displaying the alphanumeric message does not cause less when the message is displayed, no expense additional energy, even over periods display of this relatively long activated state.
  • the means status display include the needles themselves and that according to their relative angular position controlled on command by electronic means of control discussed these needles can act structurally on the alphanumeric message which informs the user on the state of an operating mode of the timepiece and / or status of the scheduled event to make it intelligible in an angular position chosen.
  • the state display means are shaped in such a way so that the message is made intelligible and perceptible mainly when the needles are superimposed.
  • the hands are independently actuated by motor means.
  • the document FR-A-2 442 433 for example describes a device analog display that includes two hands driven separately by two stepper motors, but these two needles are not those of a coin of watchmaking. These are those of a measuring device which allows the values of two to be displayed on the same dial different quantities, for example of a voltage electric and temperature, or those of the same greatness but in different value domains.
  • the two needles can be superimposed but in a purpose which is unrelated to that of the invention since it is a question of no longer being displayed by these needles as the values of only one of the two quantities.
  • document DE-U-14 93 926 describes a timepiece including the hour and minutes carry both parts of a pattern, for example the number 13 or a zodiac sign, which is visible in its entirety each time the needles overlap to indicate a time of day.
  • FIG. 1 in the form of a block diagram, a timepiece, for example a watch, having a specific mode of operation, says alarm, and constituting an embodiment of the present invention.
  • This timepiece can in this exemplary embodiment provide the user with a status information relating to the expiration of a event or the proper functioning of this mode of operation, this information being provided under the form of an alphanumeric message, the composition of which intelligible is carried out by needles which will described below.
  • This timepiece includes, as standard, a crystal oscillator 2, a division 4 chain delivering a signal at 1 Hz, a needle position counter seconds, referenced 6, and a position counter of the minute hand, referenced 8.
  • the counters 6, 8 and 12 are counters by sixty whose mode of functioning is represented schematically by the figure 2.
  • pulses to count are provided to the counters (arrow to the far left on the drawing). These successive pulses are counted by a binary register of at least six bits, which they increment. The status of this register can be read at any time moment (down arrow on the drawing). Every increment, the registry is tested to see if the number it contains is equal to sixty. If it is the case, a pulse is emitted by the test circuit and this pulse causes the reset of the register.
  • the test circuit therefore constitutes a divider by sixty whose signal can be sent to another counter (right arrow on the drawing), which is the case of counters 6 and 8. Counter 12 can possibly provide this signal if other counters, day or month are associated with it.
  • Counters 8 and 12 ( Figure 1) define, in normal operation, i.e. in the supply of the hour, the position defined according to sixty steps, minute and hour hands relative on the dial of the timepiece.
  • the watch alarm described here with no hand seconds, the hand pointer position counter seconds is only used to generate a signal whose frequency allows to appropriately increment the other counters 8 and 12.
  • the timepiece is furthermore provided with two motors 18 and 20 can be controlled so independent respectively by power circuits 14 and 16 to respectively drive the needle of minutes MN and the hour hand H ( Figures 4 to 10).
  • Circuits 14 and 16 receive, in normal time mode, the pulses applied respectively to the inputs position meters for the 8 minute hands and 12 hours.
  • the elements of the alarm watch represented by the block diagram of FIG. 1, which have just been described, explain how this timepiece works essentially analog in terms of display normal time.
  • the analog watch described here can also display information as messages alphanumeric, in relation to the end of its term, defined as the deadline, a unit of time.
  • the timepiece includes electronic control means 22 to enable it to fulfill various time display functions and a so-called "alarm" function.
  • These electronic control means 22 comprise inputs MN and H for receiving the contents of the position counters of the minute hands 8 and hours 12, two activation inputs AN, EN and two inputs D + , D - for the data of displacement of the needles respectively forwards and backwards.
  • Patent EP-0 175 961 in particular describes a control rod associated with an interpretation circuit which can easily be adapted to be used with the timepiece presently described.
  • the electronic control means 22 also include two outputs Mmn and Mh for delivering pulses to the motors 18 and 20, and a control output C for managing the state of two switches 26, 28 arranged at the input of the power circuits 14 , 16 and arranged to transmit to them, either the pulses applied to the inputs of the position counters of the minute hand 8 and the hour hand 12 when the switches are in a first position referenced a , or the pulses delivered by the electronic control means 22, when the switches are in a second position referenced b .
  • the electronic control means 22 can be advantageously produced in the form of a circuit integrated with a programmed microcontroller. The man of the trade will know, from the indications provided here, programming the microcontroller, so that make him perform the functions described.
  • the means control electronics are inactive and the motors 18 and 20 receive the pulses applied to the inputs needle position counters respectively minutes and hours 8, 12.
  • the table or flowchart in Figure 10 includes nine drawings or stages (referenced from A to H) representing each one of the different display functions that can be filled by the watch hands according to the invention.
  • the time correction function is activated by pulling the rod.
  • the displacement towards the outside of the rod causes the emission by the interpretation circuit 24 (FIG. 1) of a signal towards the input EN of the electronic control means 22.
  • the reception of this signal by the electronic means of control 22 causes switches 26 and 28 to pass into state b .
  • the electronic control means 22 emit a high signal on the reset line of the second position counter 6 to keep it at zero so that it no longer provides the signal for incrementing the hand position counters 8 minutes and 12 hours respectively.
  • the interpretation circuit 24 then sends pulses corresponding to the different rotational movements printed on the rod, by the user, to the inputs D + , D - electronic control means 22 which, in turn, emit pulses of command to increment or decrement the position counters of the minute hands 8 and hours 12 and to simultaneously control the motors 18, 20 in order to move the hands.
  • the interpretation circuit 24 supplies a deactivation signal to the electronic control means 22 which in turn supply a signal by their output C to put the switches 26, 28 in state a .
  • the signal on the reset line returns to zero and the second hand position counter 6 starts again.
  • the coin timepiece described here is intended to achieve a additional so-called alarm function.
  • two counters 27a and 29a (figure 1) to memorize respectively two (first embodiment) numerical values TAmn and TAh here between 1 and 60, and corresponding respectively at the position of the minute hand and to that of the hour hand when they must display the alarm time and in particular the alarm time. Converted on a time basis, this position corresponds at an alarm time, here for example an hour (time programmed), for example by the user, by the special procedures which will be explained below.
  • the counters 27a and 29a could according to other variants not shown record a numerical value representing a time on a non-hourly scale, for example a day, a month or the combination of the two, by associating with the room represented one or more other counters measuring the days or months, or other time values.
  • the timepiece according to the invention comprises in in addition to two other counters or registers 31a and 33a allowing respectively to store two values numerical PMmn and PMh also between 1 and 60 and corresponding respectively to the position of the two needles when they display a message alphanumeric.
  • the needles when they are arranged in their display function of the messages, are preferably superimposed, so that the counters 31a and 33a have the same PMmn and PMh values. In some of the examples that are described below, this overlapping position is chosen at 9 o'clock, so that the two values PMmn and PMh are equal to 45.
  • the timepiece according to the invention may include counters or registers capable of memorizing several data to be able to assign to different needles display positions of the message (s) function of several alarm times.
  • a mode of production of display means capable of displaying multiple messages in different angular positions needles in their layered configuration is shown in Figure 9.
  • the part according to the invention further comprises a circuit acoustic signal synthesizer referenced 30, which is connected to electronic control means 22. This circuit is activated at selected times when the message alphanumeric is provided to the user.
  • the two time hands H and MN display so classic time information, analogically, for example 10h and 42mn, time which can be here the hour programmed alarm (the TAmn value then being equal to 42 and the TAh value at 48).
  • step B the two needles are brought into superimposed position under the action of independent motors 18 and 20 which are controlled by electronic control means 22, this which reconstitutes in this position the message "TEXT" written on these needles, and provides it so intelligible to the user. So the event at its due date is reminded to the user visually by a clear alphanumeric message.
  • the minute hand MN carries a first message, for example "OFF”, which is therefore readable in any position of this minute hand MN, provided it is not covered by the hour hand H.
  • Minute hand MN can be like this brought, in this same relative angular position defined in relation to the hour hand H, in front of a mark or index (not shown) inscribed on the coin of watchmaking.
  • the PMmn value of the counter 31a ( Figure 1) is 45 and the PMh value is 48.
  • the hour hand H which brings to its free end the letter N
  • the shortest needle H hides the letters FF and makes appear a new intelligible text, for example the mention "ON".
  • the respective lengths of the two hands and the axial position of the letters inscribed on these may be provided to provide the effect of text composition which has just been described or any other text and to vary it according to the types of message to compose.
  • the message "TEXT" is divided into two parts, know a first formed by the bottom of the four letters broken down into two groups T, E and X, T inscribed respectively on the minute hands MN (group T, E) and hours H (group X, T), while the second part (top of all letters T, E, X and T) is worn by a fixed part of the part, for example the dial (not shown).
  • the alphanumeric message "TEXT” is also truncated in its height, two parts respectively lower and upper of the entire message (letters T, E, X and T) being marked on the dial, while a part complementary (middle) of this message is supported by the needles, on which are written respectively two groups of characters each formed of two letters of this message.
  • the two needles are mounted either above or below relative to each other on their guide barrel (not represented).
  • step A time display
  • no information can be drawn from the two messages "ON" and "OFF” written on the dial, or characters carried by the needles.
  • the minute hand MN has two characters A and L on its free end and to the right of the free end of the hour hand H, a transparent section T.
  • This section allows display, through the MN minute hand, the last characters, here A, R and M, marked on the needle hours H to redial in the superimposed position needles an intelligible alphanumeric message, by example "ALARM", as shown in step B.
  • the status messages "ON” and "OFF” are hidden by the needles.
  • one of the hands, H or MN is offset angularly in relation to each other, and is brought into a particular angular position (steps C and D) by compared to the other needle, the two messages, "ON” and “OFF”, which are marked in line on the dial to the right of the overlay position of the "ALARM” message indicating operating mode, can be made visible from selectively to display one of the states of this mode of operation.
  • the state display means are shaped so that the message "TEXT”, “ON” (figure 5) or “ALARM” which could be a message belonging to a group of alphanumeric messages (Figure 9), is rendered intelligible and perceptible essentially during the superposition of needles.
  • the interpretation circuit 24 (FIG. 1) transmits, in the direction of the input AN of the electronic control means 22, an activation signal corresponding to a pressure exerted on the rod
  • the electronic control means 22 emit a signal on their output C to place the switches 26 and 28 in state b (FIG. 1), that is to say to block the pulses coming from the counters 8 and 12.
  • the electronic control means 22 read the contents of the counters 8 and 12 to know the position of the minute and hour hands.
  • step C of Figure 10 This position corresponds to the position of the hands shown in step B of Figures 4 to 8. For example, if the hands are brought into their superimposed position for displaying the states, at 9 o'clock on the workpiece, like this is the case in FIG.
  • the electronic control means cause the needles H and MN to be superimposed with regard to the index of the 9 o'clock by emitting a number of pulses equal to the number of pulses which would be necessary to make the contents of counters 8 and 12 both equal to 45, this value 45 being read from counters or registers 31a and 33a.
  • the needles can overlap in any position relative to the dial, at provided that the characters have been printed in a sense allowing reading.
  • this superposition must be done in a position chosen on the part to ensure the exact composition of the message, by matching the truncated parts and different groups of characters forming this message.
  • step C ' the room indicates to the user the entry into the specific operating mode described here, namely alarm mode.
  • step C ' the user can change the overlay position if desired program another message at the same alarm time or at another time, especially if several messages are worn by the workpiece, as is the case in the of embodiment of FIG. 9, by pulling the rod and in it printing a corresponding rotation.
  • PMmn values and PMh are then modified.
  • each time that this step is repeated each position of overlay or message display is saved under a corresponding value, PMmn1, PMmn2, ... etc, and PMh1, PMh2, ... etc.
  • step C After return of the rod in the pushed position of rest (step C), the electronic management means 22 remain in a standby mode until they have determined, by counting 1 Hz pulses from the division chain 4, that two seconds elapsed. If these two seconds have passed without the control rod was not actuated again, the electronic management means will be displayed by the shows the alarm activation state (step D, figure 10).
  • a timepiece with an alarm function always includes a means of activation and deactivation of the alarm signal.
  • the message is acoustic and also visual because, in addition to the bell, it is provided in alphanumeric form to the user.
  • the alarm of a timepiece is activated, this means that the latter will issue a alarm signal as soon as the time displayed by the hands in normal time display mode coincides with the programmed alarm time. If the alarm signal is on the contrary deactivated, no information, nor neither acoustic nor visual will be emitted even if the time displayed by the hands coincide with the time alarm programmed.
  • these are the electronic management means 22 which are set by the user is in a state in which the alarm is activated, either in a state in which it is disabled.
  • the electronic management means 22 issue the number of pulses required on the outputs Mmn and Mh for cause the needles to move according to positions relative angular chosen either up to the position "ON" where there is movement of the minute hand MN to bring up this message (step E in Figure 10) either to the "OFF" position where there is displacement of the hour hand H to bring up this other message (step D in figure 10) according to whether the alarm is on or off.
  • step C the alarm activation state (step C) which comes to be described
  • the user can change the state of the alarm by simply exerting pressure on the rod.
  • the interpretation circuit 24 transmits an impulse to electronic management means 22 their indicating that pressure has been exerted on the rod, these emit the number of pulses necessary to make move the corresponding needle (s) from the position where they are relatively offset to the superposition position or vice versa depending on the case (on or off), for each of these two needles.
  • the electronic means of management 22 control the movement of the needles to make them perform the time display function preprogrammed alarm, step F ( Figure 10).
  • the respective positions of the minute hand and that of the hours when these indicate the hour are stored in the time counters alarm 27a, 29a and 27b, 29b.
  • the electronic management means 22 will read the contents of counters 27a, 29a or 27b, 29b and they will bring the needles into the positions corresponding to the content of these counters, providing each of the motors a number of pulses equal to the difference between the status of the corresponding alarm hour counter, and the PMmn and PMh value depending on whether the hands were previously on the display position of the message "ON" or in the "OFF" display position.
  • the time alarm is displayed, the user has a delay of five seconds during which he can pull the rod to correct the alarm time (step G).
  • the correction of the alarm time is similar to the normal time correction described above. However, in this case, it is not the counter 12 o'clock position and the position counter of the 8 minutes, which are incremented when the hands are move, but the alarm hour counters 27a, 29a or 27b, 29b.
  • the interpretation circuit 24 sends to the electronic management means 22 a signal which has two functions, its first function being to activate the alarm, so that an alarm signal is emitted as soon as the hour and hour hand position counters minutes will coincide with the alarm time counters.
  • the second function of the signal is to have the electronic management means 22, the needles in the normal time display mode, step A, means management electronics 22 calculate the number of pulses necessary to carry out this operation in comparing the content of the position counters of hands 8, 12 with alarm hour counters 27a, 29a or 27b, 29b.
  • the programming operation can be repeated to save and activate all or several of the alarm times each time with different alarm positions stored in the counters or registers 31b, 33b.
  • steps C to G so we save the values TAmn1, TAmn2, ... etc, Tah1, TAh2, ... etc, and PMmn1, PMmn2, ... etc, PMh1, PMh2, ... etc. This procedure is performed in connection with the embodiment of the means display of states shown in Figure 9.
  • the part in accordance with the invention comprises in this example a CA dial, for example dark in color, while the ice (not referenced) has messages alphanumeric inscribed on it in the same color than the dial. Therefore, the alphanumeric messages, for example RDV (meeting), GOLF, DINNER, BIRTH (birthday) do not or hardly appear in the position time display (step A).
  • the end free of the longest hand (minute hand MN) carries a first part of a reflective surface SR1, the rest of this needle being transparent.
  • the SR1 surface is shaped in size so that when it goes under one of the messages on the ice, these only appear partially and therefore unintelligible to the user.
  • the needle of hours meanwhile, has its upper surface SR2 completely reflective.
  • step B when the two needles MN and H are superimpose the total visible surface they constitute (step B) by superimposition, and only in this configuration, form an SR display surface capable to reflect the light to make visible at least one messages carried above the needles by the element fixed that is ice.
  • the pressure exerted on the rod causes the emission by the interpretation circuit 24 towards the means electronic signal management 22 for one hand interrupt the signal, and on the other hand deactivate the alarm which therefore, in the absence of further manipulation by the user, will not emit any signal at the next coincidence between the contents of the position counters of the hands 8, 12 and the alarm hour counters twelve hours later.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP94114128A 1993-09-16 1994-09-08 Pièce d'horlogerie à affichage analogique pouvant fournir une ou plusieurs informations alphanumériques sur l'état d'un mode de fonctionnement ou d'un événement programmé Expired - Lifetime EP0644468B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2790/93 1993-09-16
CH279093A CH685588B5 (fr) 1993-09-16 1993-09-16 Piece d'horlogerie a affichage analogique pouvant fournir une ou plusieurs informations alphanumeriques sur l'etat d'un mode de fonctionnement ou d'un evenement programme.

Publications (2)

Publication Number Publication Date
EP0644468A1 EP0644468A1 (fr) 1995-03-22
EP0644468B1 true EP0644468B1 (fr) 1998-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114128A Expired - Lifetime EP0644468B1 (fr) 1993-09-16 1994-09-08 Pièce d'horlogerie à affichage analogique pouvant fournir une ou plusieurs informations alphanumériques sur l'état d'un mode de fonctionnement ou d'un événement programmé

Country Status (7)

Country Link
US (1) US5465239A (ja)
EP (1) EP0644468B1 (ja)
JP (1) JP3677062B2 (ja)
CN (1) CN1050677C (ja)
CH (1) CH685588B5 (ja)
DE (1) DE69408062T2 (ja)
HK (1) HK1008443A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH688600B5 (fr) * 1994-12-01 1998-06-15 Asulab Sa Pièce d'horlogerie à affichage analogique comportant des moyens de sélection d'une information numérique.
EP0952426B1 (fr) * 1998-04-24 2003-09-03 Asulab S.A. Pièce d'horlogerie comprenant un dispositif de détection inductif ou capacitif d'au moins une position angulaire de référence d'une roue de cette pièce d'horlogerie
SG85647A1 (en) * 1998-06-29 2002-01-15 Asulab Sa Device including at least two coaxial wheels and means for detecting the angular position thereof and method for detecting said angular positions
DE102004011713A1 (de) * 2004-03-10 2005-09-29 Adam Opel Ag Analog-Anzeigeinstrument mit einem Ziffernblatt und einem Zeiger
JP5477337B2 (ja) * 2011-05-26 2014-04-23 奥村遊機株式会社 遊技機の可動演出装置
US8902717B1 (en) * 2013-06-03 2014-12-02 Alex Garzon Clockwork mechanism that enables a second hand to be positioned below the hour hand and the minute hand on a clock face
EP3654112A1 (fr) * 2018-11-14 2020-05-20 Tissot S.A. Systeme d'affichage analogique d'informations pour une montre
EP4105738A1 (fr) 2021-06-14 2022-12-21 ETA SA Manufacture Horlogère Suisse Montre comprenant une fonction auxiliaire permettant l'indication des secondes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1370307A (en) * 1920-04-23 1921-03-01 Gross Jacob Advertising device
DE1493926U (ja) * 1940-08-07 1940-11-21
US3358437A (en) * 1966-05-23 1967-12-19 Fred G Burg Push button time zone watch
US3763648A (en) * 1972-04-10 1973-10-09 D Pakter Timepiece for creating visual effects
US3777475A (en) * 1973-01-29 1973-12-11 M Grossan Watch mounted counter
CH627906B (fr) * 1978-11-21 Berney Sa Jean Claude Dispositif d'affichage analogique.
GB2240410A (en) * 1990-01-30 1991-07-31 Daryl Paul Hocking Time piece
DE9111535U1 (de) * 1991-09-18 1991-11-21 Parche, Klaus, O-2111 Hintersee Zeitanzeigevorrichtung
US5224078A (en) * 1991-12-20 1993-06-29 Mark Mallin Watch with changeable transparent face cover

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Publication number Publication date
HK1008443A1 (en) 1999-05-07
EP0644468A1 (fr) 1995-03-22
DE69408062T2 (de) 1998-10-29
CN1050677C (zh) 2000-03-22
CH685588B5 (fr) 1996-02-29
CN1102486A (zh) 1995-05-10
US5465239A (en) 1995-11-07
DE69408062D1 (de) 1998-02-26
JP3677062B2 (ja) 2005-07-27
CH685588GA3 (fr) 1995-08-31
JPH07151870A (ja) 1995-06-16

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