Abstract: Electromagnetic deflection unit for colour cathode-ray tubes, including a pair of frame deflection coils and a pair of line deflection coils, at least one of these two pairs of coils having the shape of a saddle, each saddle-shaped deflection coil having a rear bundle placed on the side facing the electron gun and a front bundle placed on the side facing the screen, two lateral harnesses of conductors connecting the front bundle to the rear bundle, each lateral harness being characterized in that the external edge of the said lateral harness lies in a radial angular position close to 0° at the rear of the coil and in a radial angular position greater than 5° at the front of the coil, so as to minimize the trapezoid differential error between the red and blue beams.

Abstract: A method for determining as a function of time the angle of rotation of a crankshaft by estimating the position of missing teeth on a target wheel is disclosed which has application to engine control. A sensor acquires, as a function of time, a periodic signal comprising a pulsating waveform, each pulse indicating the passage of a tooth past this sensor.

Abstract: A storage battery (1) comprises a container (2) containing an electrochemical stack (9) comprising alternating positive and negative electrodes flanking electrolyte-impregnated separators. A current output terminal (7) passes through a lid (5) of the container. A connector (10), which electrically connects the electrodes of one polarity to the terminal (7) passing through the lid comprises a flat connection (15) welded to the electrodes and an elastic connection (20) which nests into the terminal (7) passing through the lid. Manufacture of a sealed storage battery is simplified by obviating a manual operation of inserting and bending an elongated connection tab inside the container.

Abstract: A smart card connector with signal blade contacts having signal tails (34a) lying at the rear end of the connector frame, and with the connector being provided with a shield structure (110) that prevents a person from fraudulently contacting the signal tails during use of the connector. The shield structure includes a grounded conductive shield (40) having a rear portion that lies rearward of the signal tails. The conductive shield is mounted on an insulative barrier (60) that has a front portion (112) lying over the signal tails during use of the connector. The insulative barrier is pivotally mounted on the frame, between an open position wherein the shield structure leaves a region above the signal tails exposed during soldering, and a protect position wherein the shield structure blocks a region above and rearward of the signal tails.

Abstract: A smart card connector with a signal blade contact (22a, FIG. 5) and a ground blade contact (22b), wherein the signal blade contact has a signal tail (34a) at the rear end of the connector frame, and wherein the connector is provided with a shield structure (110) that prevents a person from fraudulently contacting the signal tail during use of the connector. The shield structure includes an insulative barrier (60) with a hole (76) through which the signal tail extends, and also includes a sheet metal shield (40) with a rear portion that extends largely around the signal tail to ground any conductor that is fraudulently inserted against the signal tail. The sheet metal shield has a transverse tongue (54) that extends to and engages the ground blade contact. The insulative barrier has a slot that extends largely around the signal tail, and the sheet metal rear shield portion lies in the slot.

Abstract: A smart card connector with a signal blade contact (22a, FIG. 5) and a ground blade contact (22b), wherein the signal blade contact has a signal tail (34a) at the rear end of the connector frame, and wherein the connector is provided with a shield structure (110) that prevents a person from fraudulently contacting the signal tail during use of the connector. The shield structure includes an insulative barrier (60) with a hole (76) through which the signal tail extends, and also includes a sheet metal shield (40) with a rear portion that extends largely around the signal tail to ground any conductor that is fraudulently inserted against the signal tail. The sheet metal shield has a transverse tongue (54) that extends to and engages the ground blade contact. The insulative barrier has a slot that extends largely around the signal tail, and the sheet metal rear shield portion lies in the slot.

Abstract: A smart card connector with signal blade contacts having signal tails (34a) lying at the rear end of the connector frame, and with the connector being provided with a shield structure (110) that prevents a person from fraudulently contacting the signal tails during use of the connector. The shield structure includes a grounded conductive shield (40) having a rear portion that lies rearward of the signal tails. The conductive shield is mounted on an insulative barrier (60) that has a front portion (112) lying over the signal tails during use of the connector. The insulative barrier is pivotally mounted on the frame, between an open position wherein the shield structure leaves a region above the signal tails exposed during soldering, and a protect position wherein the shield structure blocks a region above and rearward of the signal tails.

Abstract: The invention proposes a master cylinder 1 with a device for detecting actuation of a braking system. The detection device is fixed to a body 2 of the master cylinder 1 at a pressure chamber 5. The detection device comprises a magnetic circuit 9 able to be opened and closed by a moving magnetic piece 19. The moving magnetic piece 19 is, for example, fixed to a piston 4 of the master cylinder 1. Actuation of a brake pedal causes the piston 4 and the moving piece 19 to advance in the master cylinder 1. The magnetic circuit 9 therefore changes state (opened or closed). The change in state of the magnetic field switches the brake lights on and off.

Abstract: Deflection yoke for a cathode-ray tube has at least one pair of saddle-shaped coils. The saddle-shaped coils form an asymmetric field in the vicinity of a front conductor assembly. The field asymmetry is produced by an inclusion near the front conductor assembly of at least a metal piece. The purpose of this asymmetry is to minimize the effects of an orthogonality defect between the deflection fields created by the horizontal and vertical deflection coils on the geometry of the image.

Abstract: Device for correcting the geometry of the image created on the screen of a cathode-ray tube, comprising a first set of four coils arranged in series one with the other, coiled on a magnetic core, the said coils being traversed by at least a portion of the horizontal deflection current, at least one permanent magnet intended to apply to the core a magnetic field oriented in one direction for one of the pairs of coils and in the opposite direction for the second pair, and a second set of two coils in series one with the other and arranged around the magnetic core so as to contain the magnetic fluxes created by the first set of coils, the two coils being traversed by at least part of the vertical deflection current and arranged so as to create, in the magnetic core, magnetic fluxes oriented in one direction in one of the pairs of coils of the first set and in the opposite direction in the second pair of the first set. The device makes it possible to correct both the horizontal and vertical geometrical defects.

Abstract: A smart card connector switch that detects full installation of a smart card, includes first and second switch contacts (42, 40), with the second switch contact including a sheet metal switch blade (41) that can be depressed against the first contact. The second switch contact includes a polymer depressable element (60) mounted on the switch blade and having a rounded top (62) lying higher than the switch blade so a card engages and depresses the depressable element as the card approaches its fully installed position.

Abstract: The invention proposes a master cylinder 1 with a device for detecting actuation of a braking system. The detection device is fixed to a body 2 of the master cylinder 1 at a pressure chamber 5. The detection device comprises a magnetic circuit 9 able to be opened and closed by a moving magnetic piece 19. The moving magnetic piece 19 is, for example, fixed to a piston 4 of the master cylinder 1. Actuation of a brake pedal causes the piston 4 and the moving piece 19 to advance in the master cylinder 1. The magnetic circuit 9 therefore changes state (opened or closed). The change in state of the magnetic field switches the brake lights on and off.

Abstract: Deflector for cathode-ray tube comprising a pair of horizontal deflection coils and a pair of vertical deflection coils, the two pairs being in the shape of a saddle and isolated one from the other by a separator, a frustoconical shaped ferrite ring at least partially covering the deflection coils, the deflector being characterized in that it includes to the rear of the deflection coils, between the horizontal and vertical deflection coils, four field shapers placed symmetrically with respect to the axes of symmetry of the deflector. These shapers are placed so as to increase the amplitude of the second harmonic of the potential of the vertical deflection field without affecting the fundamental of the said potential in order to act on the phenomena of coma appearing on the horizontal edges of the image formed on the tube screen.

Abstract: The invention relates to a position or displacement sensor comprising a detection circuit and a rider (2), the position of which is detected by the detection circuit, this rider (2) comprising a support (20) consisting of a material inert to the detection circuit, and an influencing member (21) carried by the support (20) and comprising a material that is active to the detection circuit. The influencing member (21) is produced in the form of particles (P) of the active material which are embedded in a mass (M) of the inert material to measurement of the displacement or position of a motor vehicle braking system piston.

Abstract: Electromagnetic deflection unit for color cathode-ray tubes, comprising a pair of horizontal deflection coils and a pair of vertical deflection coils, the saddle-shaped vertical deflection coils having a rear bundle on the electron-gun side and a front bundle located on the screen side, lateral conductor harnesses 120 connecting the two bundles so as to produce a main window in the intermediate region lying between these said bundles, the conductor harnesses being arranged so that, at the end of the main window 18, on the gun side, at least 98% of the lateral harness conductors lie within an angular aperture &THgr;m of between 60 and 80°. This arrangement of the conductors in the rear part of the window makes it possible to minimize the aberrations due to coma parabola so as to avoid the use of additional field shapers.

Abstract: A smart card connector switch that detects full installation of a smart card, includes first and second switch contacts (42, 40), with the second switch contact including a sheet metal switch blade (41) that can be depressed against the first contact. The second switch contact includes a polymer depressable element (60) mounted on the switch blade and having a rounded top (62) lying higher than the switch blade so a card engages and depresses the depressable element as the card approaches its fully installed position.

Abstract: Electromagnetic deflection unit for colour cathode-ray tubes, comprising a pair of horizontal deflection coils and a pair of vertical deflection coils, the saddle-shaped vertical deflection coils having a rear bundle on the electron-gun side and a front bundle located on the screen side, lateral conductor harnesses 120 connecting the two bundles so as to produce a main window in the intermediate region lying between these said bundles, the conductor harnesses being arranged so that, at the front end of the main window 18, on the screen side, the window 18 extends over a radial angular aperture &PHgr; of greater than 38°. This arrangement of the conductors in the rear part of the window makes it possible to minimize the vertical convergence errors between the red and blue beams, so as to avoid the use of additional field shapers to correct the said errors.

Abstract: A deflection yoke mounted on a neck of a cathode ray tube includes a pair of horizontal deflection coils, a pair of vertical deflection coils and a core of a ferromagnetic material. The core has magnetic reluctance, in a front region, close to a screen end of the tube, that is greater along the vertical direction than along the horizontal direction. In one embodiment of the invention this feature is achieved by making recesses at the intersection of a flared front part of the core with the horizontal plane of symmetry XZ. In another embodiment of the invention, the thickness of the core varies.

Abstract: A video display deflection apparatus includes a vertical deflection coil. A separator is used for mounting the vertical deflection coil thereon. The separator has a funnel shaped first part conforming to a shape of a neck of the cathode ray tube and a second part forming a front portion of the separator close to the screen. A degree of flare of the first and second parts is substantially different. A saddle shaped, horizontal deflection coil is mounted on the separator for producing a deflection field to scan the electron beam along a horizontal axis of the display screen. The horizontal deflection coil includes a plurality of winding turns forming a pair of side portions, a rear end turn portion, close to an electron gun of the tube and a front end turn portion, close to the screen. At least a portion of the front end turn portion, in a radial angular position ranging between 0 and 30 degrees, is supported on the second part of said separator away from the boundary.

Abstract: A video display deflection apparatus includes a vertical deflection coil. A separator is used for mounting the vertical deflection coil thereon. The separator has a funnel shaped first part conforming to a shape of a neck of the cathode ray tube and a second part forming a front portion of the separator close to the screen. A degree of flare of the first and second parts is substantially different. A saddle shaped, horizontal deflection coil is mounted on the separator for producing a deflection field to scan the electron bean along a horizontal axis of the display screen. The horizontal deflection coil includes a plurality of winding turns forming a pair of side portions, a rear end turn portion, close to an electron gun of the tube and a front end turn portion, close to the screen. At least a portion of the front end turn portion, in a radial angular position ranging between 0 and 30 degrees, is supported on the second part of said separator away from the boundary.