Abstract: The invention relates to a mechanism for displaying an information for a timepiece, comprising a mobile (10) intended to be driven in rotation by the movement of the timepiece about a display axis (17), a satellite (20) pivoted on the mobile (10) about a satellite axis (27) parallel to the display axis (17) and remote from a non-zero distance d1 thereof, a display area (80), an indicator (50) secured to the satellite (20) and the position of which relative to the display area (80) provides the information, and a crown (30) centered on the display axis (17) and kinematically connected to the satellite (20). The mechanism is particular in that the indicator (50) is located at a distance d2 from the satellite axis (27), which is greater than or equal to the distance d1.

Abstract: An instantaneous date control device for a timepiece, in particular for a mechanical wristwatch, including: a date disc, a gear train forming a kinematic linkage between the control device and a horological movement of said timepiece, a first mobile including a first toothed wheel driven at a speed of one turn per day and a cam mounted freely rotatably, over a limited angular range and/or in a single direction of rotation, as well as temporarily coupled in rotation to said first toothed wheel, a second mobile including a second toothed wheel driven at a speed of one turn per day, an unlocking and driving yoke carrying a feeler bearing on said cam and a driving finger which can mesh with teeth located on the date disc, an unlocking and driving spring, and a retaining means allowing to secure the angular position of the date disc between two instantaneous jumps.

Abstract: A display mechanism for n moonphases for a timepiece, where n?3, includes a first wheel and pinion having a night-time background and a portion of lunar background and a second wheel and pinion superposed on the first, the second having a night-time background and moonphase profiles, with the first and second pivoting about one axis. The first wheel and pinion is driven at a constant velocity, and that the second can be driven in rotation at the same velocity and direction as the first during a moonphase display period during which a portion of lunar background of the first and a moonphase profile of the second corresponding to the moonphase to be displayed are superposed, revealing the moonphase. The second wheel and pinion is offset from the first by a repositioning angle during a transitional period between the current and following display periods, revealing the following moonphase.

Abstract: The invention relates to a mechanism for displaying an information for a timepiece, comprising a mobile (10) intended to be driven in rotation by the movement of the timepiece about a display axis (17), a satellite (20) pivoted on the mobile (10) about a satellite axis (27) parallel to the display axis (17) and remote from a non-zero distance d1 thereof, a display area (80), an indicator (50) secured to the satellite (20) and the position of which relative to the display area (80) provides the information, and a crown (30) centered on the display axis (17) and kinematically connected to the satellite (20). The mechanism is particular in that the indicator (50) is located at a distance d2 from the satellite axis (27), which is greater than or equal to the distance d1.

Abstract: An instantaneous date control device for a timepiece, in particular for a mechanical wristwatch, comprising: a date disc, a gear train forming a kinematic linkage between the control device and a horological movement of said timepiece, a first mobile comprising a first toothed wheel driven at a speed of one turn per day and a cam mounted freely rotatably, over a limited angular range and/or in a single direction of rotation, as well as temporarily coupled in rotation to said first toothed wheel, a second mobile comprising a second toothed wheel driven at a speed of one turn per day, an unlocking and driving yoke carrying a feeler bearing on said cam and a driving finger which can mesh with teeth located on the date disc, an unlocking and driving spring, and a retaining means allowing to secure the angular position of the date disc between two instantaneous jumps.

Abstract: The method of fabricating a multi-level, metallic microstructure includes the steps consisting in structuring a first layer of photosensitive resin so as to obtain a first level of a resin mould, the aperture in the first resin layer revealing a conductive surface of a substrate, structuring a second photosensitive resin layer over the first level of a resin mould so as to obtain a multi-level resin mould, the apertures in the multi-level mould revealing the conductive surface of the substrate, galvanically depositing a metal or alloy in the apertures of the multi-level resin mould and separating a multi-level metallic structure formed by the metal or alloy deposited in the apertures from the substrate and the multi-level resin mould.

Abstract: A watch including: a case middle forming a transparent central region, a first and second display placed on each face of the watch; at least two transparent indicator plates placed in a pivoting fashion in the central region and including at least one indicator; a drive unit driving each indicator plate in rotation at its periphery; a holding element capable of holding each indicator plate at its periphery in a position roughly perpendicular to its rotation axis; the drive unit and holding element being housed completely in the case middle of the watch such that the drive unit and the holding element the are outside the central region; and said at least one indicator of each of the indicator plates is visible on one face so as to form the first display, and visible on the other face so as to form the second display.

Abstract: The method of fabricating metal microstructures includes the following steps: a) taking a substrate that has a conductive strike surface; b) to d) forming a first resin mould by UV photolithography, the apertures in the first resin mould revealing the conductive strike surface of the substrate; e) electroforming the first element by galvanic deposition of a first metal material in the apertures of the first resin mould, f) removing the first mould around the first element to expose the conductive strike surface of the substrate; g) to i) forming a new resin mould by UV photolithography, the apertures in the new resin mould revealing the first element, and the conductive strike surface of the substrate; j) electroforming the second element by galvanic deposition of a second metal material in the apertures of the new resin mould to form said metal microstructure; k) separating said metal microstructure from the substrate and from said new mould.

Abstract: The method of fabricating metal microstructures includes the following steps: a) taking a substrate (1, 2) that has a conductive strike surface (2); b) to d) forming a first resin mould (3b) by UV photolithography, the apertures in the first resin mould revealing the conductive strike surface (2) of the substrate; e) electroforming the first element (5) by galvanic deposition of a first metal material in the apertures of the first resin mould (3b), f) removing the first mould (3b) around the first element (5) to expose the conductive strike surface (2) of the substrate; g) to i) forming a new resin mould (7b) by UV photolithography, the apertures in the new resin mould revealing the first element (5), and the conductive strike surface (2) of the substrate; j) electroforming the second element (10) by galvanic deposition of a second metal material in the apertures of the new resin mould (7b) to form said metal microstructure; k) separating said metal microstructure from the substrate (1) and from said new m

Abstract: The method of fabricating a multi-level, metallic microstructure includes the steps consisting in: a) taking a substrate (1) that has a conductive surface (2); b) covering the conductive surface (2) with a first layer of photosensitive resin (3); c) irradiating the first layer of photosensitive resin (3) through a mask (4) that matches the desired pattern cavity; d) developing the first layer of photosensitive resin (3) so as to hollow out apertures therein and thus obtain a first level of a resin mould, the aperture in the first resin layer revealing the conductive surface (2) of the substrate; e) depositing a new layer of photosensitive resin (6) over the developed resin layer (3), so as to cover the latter and, preferably, to fill the apertures therein; f) irradiating the new photosensitive resin layer (6) through a mask (7) that matches the desired pattern cavity; g) developing the new photosensitive resin layer (6) so as to hollow out apertures therein and to obtain a multi-level resin mould, the aper

Abstract: A method of manufacturing at least one device defining a volume for retaining fluid or sensitive material capable of changing physical properties, particularly optical properties, via application of voltage, or electrical properties via stress or radiation, the device including a first front substrate and a second back substrate maintained at a constant distance from each other, and joined by a sealing joint which defines the volume, wherein the method includes the steps of: structuring at least one wall, which defines, via its inner lateral face, the volume for retaining the sensitive medium or fluid, on one of the substrates; joining the second substrate to the first substrate; introducing a sealing material into a gap defined by the outer lateral face of the wall and the two superposed substrates until at least part of the gap is occupied by sealing material, and solidifying the sealing material to form the sealing frame.

Abstract: The mechanism includes a display member (10) fitted with a toothing (14) mounted so as to move in rotation, a drive wheel set (39) mounted so as to move in rotation, including a cam (40) and a finger (24), wherein the finger is secured in rotation to the cam to make a finger-cam assembly and the finger cooperate with the toothing to drive the display member by steps, and a spring (38) cooperating at least indirectly with the cam, wherein the cam is arranged for pivoting, the finger-cam assembly, via the slackening action of the spring, so as to drive the display member through one step. The cam is further arranged for pivoting the finger assembly, via the slackening action of the spring, so as to release the finger from the toothing after the finger cam assembly has driven the display member through one step.

Abstract: The invention concerns an instantaneous display mechanism for a timepiece, including: a display member (10) fitted with a toothing (14) mounted so as to move in rotation, positioned using a jumper spring (16), a drive wheel set (39) mounted so as to move in rotation, including a cam (40) and a finger (24) secured in rotation to the cam (40), said finger (24) cooperating with said toothing (14) to drive the display member (10) by steps, a spring (38) cooperating at least indirectly with said cam (40), said cam (40) being arranged for pivoting, via the slackening action of said spring (38), the finger (24)—cam (40) assembly so as to drive said display member (10) through one step. The cam (40) is further arranged for pivoting the finger (24)—cam (40) assembly, via the slackening action of said spring (38), so as to release said finger (24) from said toothing (14) after the finger (24)—cam (40) assembly has driven said display member (10) through one step.

Abstract: The present invention concerns a method of manufacturing at least one device (2, 30, 48) defining a volume (8) for retaining a fluid or a sensitive material that is capable of changing its physical properties, particularly its optical properties, via the application of a voltage, or its electrical properties via stress or radiation, said device (2, 30, 48) including at least a first front substrate (4, 38, 56) and at least a second back substrate (6, 32, 50) maintained at a constant distance from each other, these two substrates (6, 32, 50; 4, 38, 56) being joined by a sealing joint (24, 46, 72) which defines the volume (8) for retaining the sensitive medium or fluid, said method being characterised in that it includes the steps of: structuring at least one wall (12, 44, 66), which defines via its inner lateral face the volume (8) for retaining the sensitive medium or fluid, on one of the substrates (6, 32, 50); joining the second substrate (4, 38, 56) to the first substrate (6, 32, 50); introducing a sea

Abstract: The present invention concerns a method of manufacturing at least one device (2, 30, 48) defining a volume (8) for retaining a fluid or a sensitive material that is capable of changing its physical properties, particularly its optical properties, via the application of a voltage, or its electrical properties via stress or radiation, said device (2, 30, 48) including at least a first front substrate (4, 38, 56) and at least a second back substrate (6, 32, 50) maintained at a constant distance from each other, these two substrates (6, 32, 50; 4, 38, 56) being joined by a sealing joint (24, 46, 72) which defines the volume (8) for retaining the sensitive medium or fluid, said method being characterised in that it includes the steps of: structuring at least one wall (12, 44, 66), which defines via its inner lateral face the volume (8) for retaining the sensitive medium or fluid, on one of the substrates (6, 32, 50); joining the second substrate (4, 38, 56) to the first substrate (6, 32, 50); introducing a seal

Abstract: The present invention concerns an electro-optical cell, in particular a liquid crystal display cell (2), or an electrochemical photovoltaic cell, including in particular a first transparent front substrate (4) and a second back substrate (6) which may or may not be transparent, said substrates (4, 6) being joined by a sealing frame that defines a volume (8) for retaining a sensitive material whose physical properties, particularly optical, or electrical properties are capable of changing, said substrates (4, 6) including on their faces opposite each other at least one electrode (14, 16), these electrodes (14, 16) being intended to be connected to an electrical power or control circuit, said cell (2) being characterised in that the sealing frame includes at least one wall (12) structured on one of the two substrates (4, 6) and which defines via its inner lateral face the volume (8) for retaining the sensitive material, the substrates (4, 6) being joined by a sealing frame (30), which occupies at least part of

Abstract: The apparatus includes at least one information storing unit, a unit for processing said information, a management and control unit receiving control signals from the processing unit and a supply unit controlled by said management unit and controlling the movement of said two stepping motors above a dial bearing markings Ri representative of said information. The apparatus is characterized in that said processing unit is provided with an algorithm or correspondence table between a marking Ri and angles ?i?i formed respectively by each hand from a measurement reference and in that the shape of said hands is such that when they have the angular orientations ?i ?i, their elongated parts can intersect above said marking Ri, or their tips can be aligned opposite said marking Ri. The apparatus may be a wristwatch.

Abstract: The present invention concerns a chemical etch assisted spark machining head, characterized in that it includes a body through which an electrode extends and which defines a counter-electrode extending radially around the electrode, said body including means for feeding an electrolytic liquid into the space delimited by the electrode and the counter-electrode.

Abstract: The present invention concerns a method for manufacturing a plurality of multi-layered cells, particularly liquid crystal display cells, or electrochemical photovoltaic cells, or a combination of such cells, each cell including at least two superposed sealed cavities each delimited by a sealing frame and filled with a liquid, this method comprising the step of collectively manufacturing a batch of cells including at least three plates common to all the display cells and connected to each other by patterns of sealing material connecting said plates to each other and forming the sealing frames which delimit the cavities of said cells, this method being characterised in that filling holes are pierced through the plates such that each of the cavities of a cell is fed by a different filling hole, each of the filling holes being in communication with at least two cells and feeding the cavities of the same level, i.e.

Abstract: The present invention concerns an electro-optical cell, in particular a liquid crystal display cell (2), or an electrochemical photovoltaic cell, including in particular a first transparent front substrate (4) and a second back substrate (6) which may or may not be transparent, said substrates (4, 6) being joined by a sealing frame that defines a volume (8) for retaining a sensitive material whose physical properties, particularly optical, or electrical properties are capable of changing, said substrates (4, 6) including on their faces opposite each other at least one electrode (14, 16), these electrodes (14, 16) being intended to be connected to an electrical power or control circuit, said cell (2) being characterised in that the sealing frame includes at least one wall (12) structured on one of the two substrates (4, 6) and which defines via its inner lateral face the volume (8) for retaining the sensitive material, the substrates (4, 6) being joined by a sealing frame (30), which occupies at least part of