Abstract: An optoelectronic circuit for receiving a variable voltage containing alternating increasing and decreasing phases. The optoelectronic circuit includes assemblies of light-emitting diodes mounted in series; a current source connected to each assembly by a switch; for each switch, a first comparison module for comparing the current passing through the switch with a current threshold; a second comparison module for comparing a voltage representing the voltage at the terminals of the current source with a voltage threshold; and a control module connected to the first and second comparison modules and designed to control the opening and closing of the switches, during each increasing phase and each decreasing phase, according to signals supplied by the first and second comparison modules.

Abstract: The invention relates to an optoelectronic circuit intended to receive, between a first node and a second node, a variable voltage, the optoelectronic circuit including: a plurality of light-emitting diodes series-assembled between the first node and a third node; a first current limitation/regulation circuit assembled between the third node and the second node; a switching circuit coupling the third node to at least certain light-emitting diodes of the plurality of light-emitting diodes; a capacitor including first and second plates; a first diode having its cathode connected to the second plate and having its anode coupled to the second node; and a second diode having its anode connected to the second plate and having its cathode coupled to the third node or to a second current limitation/regulation circuit.

Abstract: The invention relates to an optoelectronic circuit intended to receive, between a first node and a second node, a variable voltage, the optoelectronic circuit including: a plurality of light-emitting diodes series-assembled between the first node and a third node; a first current limitation/regulation circuit assembled between the third node and the second node; a switching circuit coupling the third node to at least certain light-emitting diodes of the plurality of light-emitting diodes; a capacitor including first and second plates; a first diode having its cathode connected to the second plate and having its anode coupled to the second node; and a second diode having its anode connected to the second plate and having its cathode coupled to the third node or to a second current limitation/regulation circuit.

Abstract: An optoelectronic circuit for receiving a variable voltage containing alternating increasing and decreasing phases. The optoelectronic circuit includes assemblies of light-emitting diodes mounted in series; a current source connected to each assembly by a switch; for each switch, a first comparison module for comparing the current passing through the switch with a current threshold; a second comparison module for comparing a voltage representing the voltage at the terminals of the current source with a voltage threshold; and a control module connected to the first and second comparison modules and designed to control the opening and closing of the switches, during each increasing phase and each decreasing phase, according to signals supplied by the first and second comparison modules.

Abstract: An optoelectronic circuit intended to receive a variable voltage containing an alternation of rising and falling phases. The optoelectronic circuit includes assemblies of series-assembled light-emitting diodes, a node coupled to each assembly by a conduction circuit having its electric conductance varying according to a control signal and a control circuit coupled to each conduction circuit and capable of supplying each control signal based on the comparison of a first voltage at said node with at least a second voltage. The control circuit includes a difference amplifier and as many output stages as there are conduction circuits, the control circuit being capable of controlling the first voltage with the second voltage offset by a third voltage, different for each output stage.

Abstract: An optoelectronic circuit intended to receive a variable voltage containing an alternation of rising and falling phases. The optoelectronic circuit includes assemblies of series-assembled light-emitting diodes, a node coupled to each assembly by a conduction circuit having its electric conductance varying according to a control signal and a control circuit coupled to each conduction circuit and capable of supplying each control signal based on the comparison of a first voltage at said node with at least a second voltage. The control circuit includes a difference amplifier and as many output stages as there are conduction circuits, the control circuit being capable of controlling the first voltage with the second voltage offset by a third voltage, different for each output stage.

Abstract: The invention relates to an optoelectronic circuit intended to receive, between a first node and a second node, a variable voltage, the optoelectronic circuit including: a plurality of light-emitting diodes series-assembled between the first node and a third node; a first current limitation/regulation circuit assembled between the third node and the second node; a switching circuit coupling the third node to at least certain light-emitting diodes of the plurality of light-emitting diodes; a capacitor including first and second plates; a first diode having its cathode connected to the second plate and having its anode coupled to the second node; and a second diode having its anode connected to the second plate and having its cathode coupled to the third node or to a second current limitation/regulation circuit.

Abstract: The invention relates to an optoelectronic circuit (20) intended to receive, between a first node (A1) and a second node (A2), a variable voltage (VRECT), the optoelectronic circuit including: a plurality of light-emitting diodes (Di) series-assembled between the first node and a third node; a first current limitation/regulation circuit (14) assembled between the third node and the second node; a switching circuit (16) coupling the third node to at least certain light-emitting diodes of the plurality of light-emitting diodes; a capacitor (Cap) including first and second plates; a first diode (D0D) having its cathode connected to the second plate and having its anode coupled to the second node; and a second diode (D0C) having its anode connected to the second plate and having its cathode coupled to the third node or to a second current limitation/regulation circuit (38).

Abstract: The present invention relates to a self-locking shaft (1), which comprises a shaft portion (10) and a head portion (20) for the mounting of the shaft (1) at a support (50), wherein the head portion (20) comprises resilient clips (30), which latch with the support (50) during a rotational mounting motion of the (1) with respect to the support (50). Further, this invention relates to a support (50) for a self-locking shaft (1) as well as a method for the assembly of a self-locking shaft (1) within a support (50).

Abstract: The present Invention relates to a parking brake lever unit 1 for the use in a motor vehicle, comprising a parking brake lever 10 made of plastic material, a support 20 made of plastic material, at which the parking brake lever 1 is pivotably supported and a locking unit 40, 26, comprising a pawl 40, which is mounted at the parking brake lever 10, and a ratchet insert 26, wherein the ratchet insert 26 comprises of a metal and is over molded within the support 20.

Abstract: The present invention relates to a connecting element (40, 60) for releasably connecting a first component (10) and a second component (20), particularly for releasably connecting an actuator with a pedal of a motor vehicle, wherein forces parallel to the assembly direction are transmitted by the connecting element. The connecting element (40, 60) comprises a connecting means (40) which is attached to the second component (20) and a sled (60), which can receive a fatening end (30) of said first part (10) and which latches in the connecting means (40) in its fastening position. The connecting means (40) is preferably configured in one-piece-form as a housing (40), wherein the sled (60), which is connected to the actuating means (10), is connected to the housing (40) in fastened condition and wherein the sled (60) can be released by means of a tool.

Abstract: The present invention relates to a pedal security system for pedal mounting, particularly for motor vehicles, comprising a pedal rotatably mounted by means of a pedal axis, an opening for receiving and retaining said pedal axis which is connected with an expandable slot wherein said expandable slot receives said pedal axis by exceeding a mechanical limit load of the pedal axis.