Abstract:
A regulating system (110) for a horology movement (12) comprising a first sub-system (11) including: a first oscillator (O111) which includes a first balance (B111) and a first balance spring (S111); a first element (M111) for displacement of the first balance spring (S111); and a first element (A111) for activation of the first displacement element (M111), at an instant, or substantially at an instant, when the speed of the first balance (B111) is zero.
Abstract:
Spring (10) for clock mechanism, the spring comprising a body (11) extending between a first end (12) of the spring and a second end (13) of the spring, the spring being intended to be connected mechanically to a housing at each of the first and second ends, the spring comprising, between the first and the second end, at least one member (17) intended to act by contact on an element (42) of the clock mechanism, characterized in that the body comprises a deformable zone (14) extending in a curve (18) and in that the curve comprises a first part (18a) that is concave when viewed from the first end.
Abstract:
A horology component (14) comprising an opening (140) intended to house a member (13) by the latter being driven into the opening, the component comprising at least one housing structure (15) for housing the member, each housing structure comprising: a housing element (16) intended to come into contact with the member, a connecting element (17), an elastically deformable element (18), the housing element being mounted on the elastically deformable element via the connecting element.
Abstract:
Dial (1) for a timepiece, comprising a disc (2) intended to be positioned substantially parallel to a timepiece, and a skirt (3) extending in a direction substantially perpendicular to the disc (2) of the dial, characterized in that the skirt (3) comprises at least one elastic element (10) which extends partially over the height of the skirt to retain the dial axially on a timepiece movement.
Abstract:
The invention relates to a persistent phosphorescent ceramic composite material which is a sintered dense body comprising two or more phases, a first phase consisting of at least one metal oxide and a second phase consisting of a metal oxide containing at least one activating element in a reduced oxidation state. The invention furthermore relates to a method for the preparation of a phosphorescent ceramic composite material as defined in any of the previous claims, the method comprising the following steps: preparing a mixture of a metal oxide and a phosphor; fabricating a green body from the mixture; and heat treating the green body in a reducing atmosphere.
Abstract:
A device for transforming oscillating movement into rotary movement includes a flexible blade fixed at one end and carrying a pawl in driving engagement with a ratchet wheel at its other free end. Between its ends, the blade has a bent or curved portion and a bearing piece acts on the blade between its bent portion and its fixed end. This bearing piece transforms the oscillating movement of a driving member into an unilateral pressure on the blade, which flexes the blade and causes the pawl to drive the ratchet wheel. To prevent reversal of the ratchet wheel, a retaining pawl can be provided; alternatively two bent flexible blades each carrying a driving pawl may be driven in phase opposition.
Abstract:
The time display is ensured by the electrooptic effect of a cell which comprises a liquid crystal layer sandwiched between two solid plates carrying electrodes. The contrast between the neutral areas and those submitted to dynamic scattering by an electric field is enhanced by light rays which are caused to cross the cell from the rear to the front. A lamp arranged behind the cell can produce such rays. The rear electrode is then made transparent or at least semitransparent.
Abstract:
The wristwatch includes a case middle (3) and a load-reacting surface (2a) which is a surface of a load-reacting ring (2) distinct from the case middle (3), and a protective casing including the crystal (1), the case middle (3), and the load-reacting ring (2) housed within the case middle (3) including the load-reacting surface (2a) against which the crystal (1) bears, and a back (4) bearing against the load-reacting ring (2).
Abstract:
The invention relates to an escapement device for a mechanical timepiece comprising an escapement wheel cooperating with a rocker and a mobile element, the rocker cooperates with the escapement wheel by blocking means and with the balance plate by release means, the mobile element comprises elastic means and cooperates with the teeth of the escapement wheel by winding means and with the balance wheel plate by impulse means, this space-saving escapement device is able to supply the balance wheel with an almost constant quantity of energy within a variable barrel torque range.
Abstract:
The timepiece assembly includes a first timepiece component (10) assembled with a distinct second timepiece component (20), the first timepiece component (10) having at least one functional part and a receiving opening (11) which can constitute a connecting hole distinct from the functional part, the wall delimiting the receiving opening (11) forming a first connecting surface (12), the second timepiece component (20) having a second connecting surface (22) and being assembled securely with the first timepiece component by direct or indirect contact between the respective first and second connecting surfaces (12, 22) at a securing surface, wherein at least one of the first and second connecting surfaces (12, 22) or a third connecting surface of an optional intermediate third component (30) is made of silicon oxidized by heat treatment so that the first and second timepiece components are secured to one another by the growth of an oxidized silicon layer