133results about "Mechanical unknown time interval measurement" patented technology

A timepiece movement comprising a device for displaying the time in at least two time zones, the display device comprising a minute display member, a member for displaying the current hour representing a first time zone, a member for displaying the local hour representing a second time zone, the member for displaying the current hour and the member for displaying the local hour being superimposed, the movement further comprising a mechanism for setting the time in the second time zone, arranged to move the member for displaying the local hour, and a mechanism for synchronizing the member for displaying the current hour and the member for displaying the local hour, arranged to reposition the member for displaying the local hour so as to be superimposed with the member for displaying the current hour in order to leave only one hour-indicating member visible.

A device for selecting and controlling functions of a horological movement, including a selector member arranged such that, when it is acted on, it causes a column wheel including a plurality of coaxial cams which are integral with one another for rotation as one, to rotate in a single direction of rotation, the device including a plurality of transmission yokes, each of which is arranged such that it bears against a cam specific thereto so as to be able to successively occupy, depending on the angular position of the cam, a rest position and an active position, each transmission yoke being configured such that when it occupies the active position, it is disposed in the path of a control member which is intended, when it is acted on from a rest position, to drive the transmission yoke located in an active position, towards a position for controlling a function specific thereto.

A mechanical timepiece movement includes a chronograph mechanism arranged to be capable of carrying out at least one countdown of a predetermined time interval, including a display arranged to display at least the time remaining until the end of the countdown of the predetermined time interval, at least one member for controlling the start of the countdown, and a striking-mechanism. The striking-mechanism is arranged to start striking at a specified time before the end of the countdown and to stop striking at the end of the countdown of the predetermined time interval.

The present disclosure is drawn to inertial pumps. An inertial pump can include a microfluidic channel, a fluid actuator located in the microfluidic channel, and a check valve located in the microfluidic channel. The check valve can include a moveable valve element, a narrowed channel segment located upstream of the moveable valve element, and a blocking element formed in the microfluidic channel downstream of the moveable valve element. The narrowed channel segment can have a width less than a width of the moveable valve element so that the moveable valve element can block fluid flow through the check valve when the moveable valve element is positioned in the narrowed channel segment. The blocking element can be configured such that the blocking element constrains the moveable valve element within the check valve while also allowing fluid flow when the moveable valve element is positioned against the blocking element.

A horological mechanism (1000) with a first train (100) and a first output wheel set (101), a second train (200) and a second output wheel set (102), for alternately displaying on a display (800, 8, 28) a first and a second indication respectively specific to the first train and second train, by a switching and coupling mechanism (500), including two input wheel sets (1; 2) connected to the output wheel sets, which includes a sliding wheel set (5) capable of moving under constant strain between the two input wheel sets, and cooperating alternately and exclusively with either one, selected under the action of a command from a user, to establish a driving connection between the input wheel set engaged with the sliding wheel set at the given moment in time, and a display (800, 8, 28) to produce a switchable display.

The invention relates to a chronograph mechanism (10) for a watch movement (1) comprising a reset mechanism (100) including a first hammer (110) and a second hammer (120) configured on two levels to cooperate respectively with a first reset member (51) of a first chronograph counter and a second reset member (52) of a second non-coplanar chronograph counter;the first hammer (110) and the second hammer (120) being pivotable about an axis of rotation (105) independently of each other, the reset mechanism (100) comprising an elastic locking member (116), rotationally fixed to the first hammer (110), cooperating with an indexing finger (118), rotationally fixed to the second hammer (120), to ensure an elastic rotational coupling of the first hammer (110) and the second hammer (120) about said axis of rotation (105), the elastic locking member (116) being configured to lock the indexing finger (118) in a predetermined relative angular position, by imparting a rotation of the first hammer (110) or of the second hammer (120) about said axis of rotation (105).

Clock mechanism (110), in particular clock movement or chronograph module, comprising: - a frame (80, 81), and - a counting chain (100) comprising an epicyclic train (31, 32, 33, 34) including a first planetary gear (33) fixed to the frame. A method for assembling two separate mechanisms or two separate timepieces, comprising the following steps: - a step of supplying a frame (80, 81), - a step of mounting a drive wheel (20) onto the frame (80, 81), - a step of mounting an hour counter (40) onto the frame (80, 81), and - a step of assembling: • a wheel (30') meshing with the drive wheel and with the hour wheel, or • an epicyclic gear train (31, 32, 33, 34) meshing with the drive wheel and with the hour wheel. The method makes it possible to obtain two separate mechanisms but with identical frames, identical drive wheels, and an identical hour wheel.

The present invention concerns a kit (1) comprising a timekeeping device (2) driven by a self-winding mechanical movement and a winder case (3) for said timekeeping device (2). The timekeeping device (2) includes means for displaying the counting of time elapsed since an event and means for activating, stopping and resetting the counting of time elapsed since said event. The winder case includes means configured for memorising the time of activation of the timekeeping device (2), microprocessor means (8) and means for comparing the counting of time indicated by said timekeeping device (2) with the stored data of the activation event. The invention has the particular advantage that, in the event of a discrepancy between the counting of time indicated by the timekeeping device (2) and the stored data, the synchronisation of the counting is carried out automatically inside the winder case (3) by means of counting of time correction. The timekeeping device (2) and the winder case (3) may include proximity communication devices so as to enable wireless communication between the timekeeping device (2) and the microprocessor means (8) in the winder case (3). In particular, at the time of the activation event of the timekeeping device (2), the details of the activation event, contained for example in a digital timestamp, may be recorded in an encrypted internal memory of the winder case (3). Furthermore, the details of the activation event may be sent to a remote server from where they are submitted online via a blockchain protocol.

The invention describes a system for a watch movement to control the speed and / or direction of movement of a driven mechanism. The system comprises a power source arranged to drive a finishing gear train at a constant speed, cooperating with a first input of a differential system; and a variable intermediate gear train cooperating with a second input of said differential system. This intermediate gear train is arranged to define a variable output speed. The differential system is arranged to control the ratio between the rotational speed of the finishing gear and the rotational speed of the intermediate gear train so as to control, at the output of the differential, the speed and / or direction of movement of a driven mechanism, the system maintaining a constant speed on the finishing gear.

A timepiece (1) including a horological movement (100) housed in a case, said horological movement (100) including a going train (5) dedicated to time division and a chronograph mechanism (200) including a chronograph train (230) configured to be coupled to the going train (5) on demand via a chronograph start / stop control device (210). The chronograph mechanism (200) includes a status indicator device (50) fixed to a coordination member (18) for rotation therewith, the status indicator device (50) including a first portion presenting a first item of information and a second portion presenting a second item of information, which is different from the first item of information, each portion of the status indicator (50) being positioned alternately facing an aperture in a mask comprised in the timepiece (1), each time the chronograph start / stop control device (210) is operated.

The present invention relates to a clockwork mechanism (1) for a flyback chronograph, comprising: - a flyback wheel (20) arranged to rotate about an axis (X) and to be rotationally immobilized by a blocking device (40), - a heart piece (30) coaxial to the flyback wheel (20) and arranged to rotate about the axis (X), - an isolator (10) carried by the flyback wheel (20) and comprising: - a frame (11) arranged to be connected to the flyback wheel (20) so as to secure the isolator (10) to the flyback wheel (20), - an input piece (12, 12') of the isolator (10), - a hammer (13), arranged to cooperate with the heart piece (30), - at least one flexible blade (14, 14') connecting the input piece (12, 12') of the isolator (10) to the hammer (13), - at least two flexible blades (15, 16) connecting the input piece (12, 12') to the frame (11). Once the flyback wheel (20) is immobilized, the input piece (12, 12') of the isolator (10) is arranged to be moved radially towards the axis (X), this movement causing, via the flexible blade (14, 14'), a movement of the hammer (13), so as to move the hammer (13) away from the heart piece (30) by enough to avoid contact between the hammer (13) and the heart piece (30).

The device (100) has an energy accumulator (9) and a return element (1) for returning an indicator member i.e. seconds hand (13) indicative of the parameter connected with time to a predetermined position. The return element is powered by energy from the accumulator, where the energy is supplied to the energy accumulator by a user via a push button (4) for resetting the seconds hand to the predetermined position, and the push button is manipulatable by a user. The seconds hand is kinematically linked to a drive wheel (15) by friction or by a clutch. An independent claim is also included for a timepiece.

A clockwork mechanism comprising a kinematic chain including a first moving part (2, 2') fixed for rotation about a first axis of rotation (20, 20') and a second moving part (3, 3') fixed for rotation about a second axis of rotation (30, 30'), the first moving part (2, 2') being meshed with the second moving part (3, 3') at a point of contact (4), the first moving part (2, 2') being configured to be driven directly or indirectly by a driving element and to directly drive the second moving part (3, 3'), a cam (1) for measuring and / or storing time information, the cam (1) comprising a variable diameter profile with at least one step (11) and at least one jump (12), the cam (1) being driven directly or indirectly by the second moving part (3, 3'), and a probe for reading the time information by pressing against the profile of the cam (1), characterized in that the first mobile (2, 2') and the second mobile (3,3') are non-circular moving parts with conjugate profiles, and in that the kinematic chain is configured such that the ratio (R1 / R2) between a first distance (R1) measured between the first axis of rotation (20, 20') and the point of contact (4) and a second distance (R2) measured between the second axis of rotation (30, 30') and the point of contact (4) is greater when at least one step (12) is opposite the feeler than when a part of at least one rung (11) is opposite the feeler. A timepiece comprising a watch movement and such a timekeeping mechanism.

To provide a clutch device for timepieces that realizes a large degree of freedom regarding component arrangement, the overall height of which is small, and which realizes smooth action for a slight stroke request to a clutch disk.SOLUTION: A clutch device for timepieces comprises: a clutch input wheel 1 capable of rotating on a shaft 2 fixed in the axial direction and located to be displaceable in the axial direction; a clutch output wheel 6 firmly located on the shaft 2; a first clutch disk 4 located to be rotatable and displaceable on the shaft 2, loaded to the clutch input wheel 1 by a spring force, and capable of loading the clutch input wheel 1 to be unable to relatively rotate on the shaft 2, and to come into contact with a second clutch disk 3 in a frictional engagement manner that is immovably secured in the axial direction; and an annular groove 7 which is open toward the radially outward of the outer circumferential surface of the first clutch disk 4 and is movable from a connection position at which the first clutch disk 4 loads the clutch input wheel 1 by a claw 8 to a disconnection position.SELECTED DRAWING: Figure 1

The invention relates to a chronograph mechanism (10) for a watch movement (1) comprising a reset mechanism (100) including: a first hammer (110) and a second hammer (120) configured on two levels to cooperate respectively with non-coplanar reset members (51, 52); the first hammer (110) and the second hammer (120) being coupled in rotation by an elastic coupling member (116) provided between the first hammer (110) and the second hammer (120) characterized in that the reset mechanism (100) includes: a pre-holding member (115) of the elastic coupling member (116) provided on the second hammer (120) ensuring a pre-mounting of the elastic coupling member (116) on the second hammer (120);a clipping member (118), integral with the first hammer (110), configured to cooperate with the elastic coupling member and bring said elastic coupling member (116) into its operating position in which the first leg (116.1) is in contact with the clipping member (118), in order to ensure an elastic coupling in rotation of the first hammer (110) and the second hammer (120), during a relative axial displacement between the first hammer (110) and the second hammer (120) in a direction parallel to the axis of rotation (105) of the hammers (110, 120), during the assembly of the hammers (110, 120).;

The present invention is a chronograph mechanism (1; 201) for a watch movement, including a counter related to a time unit, comprising a display movable part rotatable from a zero position, a return movable part rotatable between an initial position related to the zero position of the display movable part and a final position, an elastic return member (20) acting on the return movable part and configured to contribute to returning the return movable part to the initial position, wherein the display movable part and the return movable part are configured such that when the display movable part makes one rotation, the return movable part pivots from the initial position to the final position, and the display device includes teeth configured to mesh with the return movable part, the teeth including a cutout portion intended to separate the display movable part and the return movable part for a complete rotation of the display movable part.

The invention discloses a needle following assembly and a timing mechanism, the needle following assembly comprises a needle following wheel and a center wheel coaxially arranged with the needle following wheel, the needle following wheel and the center wheel can rotate relatively, the needle following assembly further comprises a needle following unit, a needle following cam and a reset piece, and the needle following unit is rotatably arranged on the needle following wheel; the needle following cam and the center wheel are coaxially arranged and can rotate synchronously, and the outer wall of the needle following cam abuts against the needle following unit all the time. One end of the reset piece is connected to the needle following wheel, and the other end is connected to the needle following unit and used for applying force tightly attached to the needle following cam to the needle following unit. According to the needle following assembly, the problems of poor flatness and unstable contact caused by embedding a return spring into an elastic sheet in a traditional structure are solved, the stability and the response precision of needle following action are improved, and disengagement caused by vibration or abrasion is avoided; and meanwhile, continuous and reliable following between the needle following lever and the cam is realized, and accurate segmentation time measurement is ensured.

To provide a jumper or a position indexing device having a simple structure to enable equivalent or substantially equivalent restitution force on an elastic return element to be obtained.SOLUTION: A jumper device 80 for a timepiece device includes: at least one first arm 81, which includes a first beak 81a for positioning a first mobile unit 10; at least one second arm 82, which includes a second beak 82a for positioning a second mobile unit 20; an elastic element 84 for returning the first arm 81 and the second arm 82 to configurations positioning the first and second mobile units 10, 20; and a lever 83; 83 interacting on the one hand with the elastic return element and on the other hand with the first and second arms 81, 82.SELECTED DRAWING: Figure 10

The present invention relates to a tachymeter device for indicating an average speed of a moving object, said tachymeter device being attachable to a housing of a wristwatch (1), and comprising a timer and an activator (2) for manually starting the timer, when the object passes a starting mark and stopping the timer, when the object passes a defined distance from the starting mark, a scale (4) for indicating an average speed of the moving object and a hand (5) for indicating a measured average speed on the scale (4), wherein the measured average speed is derived from said defined distance and a time to cover said defined distance measured by the timer, and wherein the hand (5) is configured to make one revolution around the dial of the wristwatch within less than sixty seconds, advantageously within exactly thirty seconds or within exactly ten seconds.

This invention provides a chronograph mechanism and a method for assembling a chronograph mechanism. [Solution] The zero reset mechanism 100 comprises a first hammer 110 and a second hammer 120, a pre-support mechanism 115 on the elastic coupling mechanism 116 positioned on the second hammer 120 to ensure pre-assembly of the elastic coupling mechanism 116 on the second hammer 120, and a clip-on mechanism 118 configured to ensure that the first hammer 110 and the second hammer 120 are rotatably elastically coupled during relative axial displacement between the first hammer 110 and the second hammer 120 in a direction parallel to the rotation axis 105 of the hammers 110 and 120 when assembling the hammers 110 and 120 by moving the elastic coupling mechanism 116 to its operating position where the first bracket 116.1 presses the clip-on mechanism 118.

One aspect of the invention relates to a multi-function correction device (100) for a case (2) of a timepiece comprising a timepiece movement (1) having at least one function corrector (10, 12) for performing various functions of activation, selection, resetting and / or correction of information derived from the current time of said timepiece movement (1), said multi-function correction device (100) comprising: a cylindrical body (110) configured to be fixed to said case (2) of timepiece; a control rod (120) with an axis of revolution (XX), the control rod (120) being movable in translation inside the cylindrical body (110) along the axis of revolution (XX) and having an end (122) having a protrusion (123) adapted to interact with said at least one function corrector (10, 12); a control element (130, 330) integral with said control rod (120);characterized in that the control member (130) is mobile in rotation around the axis of revolution (XX) of the control rod (120) between several angular positions and in that the protrusion (123) is configured so that the rotation of the control member (130) modifies the angular position of said protrusion (123) around the axis of revolution (XX) and with respect to the clockwork movement (1).;

A zeroing device 100 for a chronograph, having at least one zeroing heart 110, 120, a zeroing unit 200, which has a zeroing lever arm 210 and a zeroing lever bar 220, a first end 221 of which contacts the zeroing heart 110, 120, and a control means 130 which interacts with the zeroing lever arm 210. A zeroing of the zeroing unit 200 is effectuated by actuating the control means 130. This enables low production and maintenance costs and allows the counter hands to be reset to the zero position in a safer, more durable, and user-friendly manner. The zeroing device 100 includes a first compression spring 140 which is supported on the zeroing lever arm 210 and is) operatively connected to the control means 130. The control means 130 interacts indirectly, via the first compression spring 140, with the zeroing unit 200.

The present invention relates to a member (1) for controlling at least one function of a timepiece movement, comprising a crown (2) comprising a head (6) and a central rod (10) rigidly connected to the head (6) and intended to be rigidly connected to a control rod, and a guide tube (4), having a longitudinal axis A, in which the central rod (10) is mounted such that it can rotate axially according to the axis A, the crown (2) being arranged such that it can rotate axially in at least one direction between at least one stable, neutral, angular position and at least one unstable, angular actuation position in which the first function can be actuated via the control rod. The control member (1) comprises a device for automatically bringing the crown (2) from its actuation position back to its neutral position, comprising a first tubular cam (30) mounted around the central rod (10) such that it is rigidly connected thereto, and a second tubular cam (32) which is housed inside the guide tube (4), and is mounted such that it can freely translate axially on the central rod (10) and arranged so as to be able to essentially slide axially within the guide tube (4) and to cooperate with a spring (34) provided in said guide tube (4), the first and the second cam (30, 32) having working surfaces (30a, 32a) arranged to be in contact with one another at least when the crown (2) is in its neutral position, the working surfaces (30a, 32a) having a profile obtained by having at least one plane inclined on the axis A intersect the first and second cams (30, 32) such that, by the cooperation of the working surfaces (30a, 32a), an axial rotation of the first cam (30) via a rotation of the crown (2) into its actuation position results in an axial translation of the second cam (32), compressing the spring (34), and such that an axial translation of the second cam (32) returned by the spring (34), when the rotation into the actuation position ceases, results in an axial rotation of the first cam (30), which automatically returns the crown (2) to its neutral position. The present invention also relates to a timepiece comprising at least one such control member.

The invention relates to a moon phase display mechanism powered by a clockwork movement, this moon phase display mechanism (1) comprising a transparent support (98) having an upper face (100) and a lower face (102) extending at a distance from the upper face (100), a representation (104) of the Moon being projected onto one of the upper (100) or lower (102) faces of this transparent support (98), a substrate (106) being disposed under the transparent support (98), at a distance from its lower face (102), the moon phase display mechanism (1) also comprising a shutter (94) which is driven by drive means (72) powered by the clockwork movement and which is arranged to move between the transparent support (98) and the substrate (106), the shutter (94) and the substrate (106) having display contrasts reversed relative to each other,the shutter (94) being moved from an initial position to a final position during a lunar cycle, so as to reveal day after day to an observer the appearance of the Moon as it passes from the new moon to the first quarter moon, then from the first quarter moon to the full moon, then to the last quarter moon and finally to the new moon, the shutter (94) being returned by the drive means from its final position to its initial position at the end of the lunar cycle.

To provide a timepiece including a timepiece movement housed in a case.SOLUTION: A chronograph mechanism 200 including a gear train 5 dedicated to time sharing and a chronograph train 230 arranged to be coupled on demand to the gear train via a chronograph start / stop control 210, and including an adjustment member 18 which is rotated about a pivot axis each time the chronograph start / stop control is operated; The regulating member directly actuates a set of control levers to give the various operating states of the chronograph mechanism, the feature being that the chronograph mechanism includes a state indicator device 50 secured in rotation to the regulating member, the state indicator device including a first portion representing first information and a second portion representing second information different from the first information, each portion of the state indicator being positioned to alternately face an aperture of a mask included in watch 1 each time the chronograph start / stop control is operated.SELECTED DRAWING: Figure 1