Abstract:
A device for generating a clock signal, including a phase-locked loop including: a controlled oscillator to deliver a clock signal; plural phase comparators to compare a phase of the clock signal delivered by the controlled oscillator with plural clock signal phases applied at an input of the phase-locked loop; a mechanism for weighted summation of output signals of the plural phase comparators such that one or more of the weighting coefficients applied to one of the output signals has an absolute value that overrides the absolute values of the other weighting coefficients applied to the other output signals; and a mechanism filtering the weighted sum of the output signals of the plural phase comparators, to deliver at an output a control signal to the controlled oscillator.
Abstract:
A device for generating a clock signal, including a phase-locked loop including: a controlled oscillator to deliver a clock signal; plural phase comparators to compare a phase of the clock signal delivered by the controlled oscillator with plural clock signal phases applied at an input of the phase-locked loop; a mechanism for weighted summation of output signals of the plural phase comparators such that one or more of the weighting coefficients applied to one of the output signals has an absolute value that overrides the absolute values of the other weighting coefficients applied to the other output signals; and a mechanism filtering the weighted sum of the output signals of the plural phase comparators, to deliver at an output a control signal to the controlled oscillator.
Abstract:
A device for compensating a delay τ suffered by a first periodic signal ref(t) during propagation between a first and second end of a first transmission connection, comprising at least: first means able to generate a second signal ref(t+τ) corresponding to the first signal ref(t) the phase of which is advanced by a time equal to the delay τ, second means able to generate, from a third signal ref(t−τ) obtained at the second end of the first transmission connection and corresponding to the first signal ref(t) the phase of which is delayed by the delay τ, and from the second signal ref(t+τ), a fourth signal in phase with the first signal ref(t).
Abstract:
A device for compensating a delay τ suffered by a first periodic signal ref(t) during propagation between a first and second end of a first transmission connection, comprising at least: first means able to generate a second signal ref(t+τ) corresponding to the first signal ref(t) the phase of which is advanced by a time equal to the delay τ, second means able to generate, from a third signal ref(t−τ) obtained at the second end of the first transmission connection and corresponding to the first signal ref(t) the phase of which is delayed by the delay τ, and from the second signal ref(t+τ), a fourth signal in phase with the first signal ref(t).
Abstract:
A device for analyzing a fluid, including a layer including a plurality of sensors of MEMS and/or NEMS type, a layer including a mechanism controlling the sensor and for processing information transmitted by the sensors, the control and processing mechanism being electrically connected to the detectors, and a layer positioned on the layer including the sensors on a side of a face including the sensors including a mechanism spatially and temporally distributing the fluid on the sensors.
Abstract:
Analyzer 1 for analyzing a fluid 3 containing at least one substance to be analyzed and at least one inflammable substance containing: a source of gas 9 to provide a flux of diluent gas, an injecting nozzle 11 for introducing samples of the fluid into the flux of diluent gas and for producing a gaseous flux, and a detector 7 for analyzing the gaseous flux, wherein: the source of gas is intended to deliver a flux of diluent gas containing a material capable of supporting the combustion of the inflammable substance, preferably to deliver a flux of air, the injection nozzle is configured so as to introduce into the diluent gas samples of the fluid such that the average volume fraction of the fluid in the gaseous flux is less than 1/2,000 and preferably less than 1/20,000, and the detector contains at least one microsensor for detecting the substance to be analyzed. Corresponding method.
Abstract:
A resonant filter including a matrix of n×m resonators of N/MEMS type, each resonator including an actuating mechanism and a detection mechanism. An input of the filter, configured to receive an electrical input signal, is electrically connected to the resonator actuating mechanism. The outputs of the resonator detecting mechanism are electrically connected together and to an output of the filter, such that the signal to be obtained as an output of the filter is an image of the sum of the mechanical responses of the resonators. The resonators are not mechanically coupled together.
Abstract translation:一种谐振滤波器,包括N / m m型谐振器的矩阵,每个谐振器包括致动机构和检测机构。 被配置为接收电输入信号的滤波器的输入电连接到谐振器致动机构。 谐振器检测机构的输出电连接到滤波器的输出端,使得作为滤波器的输出获得的信号是谐振器的机械响应之和的图像。 谐振器不是机械耦合在一起的。
Abstract:
The resonant device comprises an electromechanical resonator of nanometric or micrometric size that comprises a mobile element and a fixed element. Detection means provide detection signals representative of movement of the mobile element with respect to the fixed element to a feedback loop that is connected to an excitation input of the resonator. The resonator is formed on the same substrate as the detection means and feedback loop. The feedback loop comprises at most first and second transistors connected in series between a reference voltage and the excitation terminal. A capacitive load is connected between the excitation terminal and reference voltage. The detection signals control the conductivity of the first transistor.
Abstract:
A reader device (104) for a contactless remote measurement system by inductive coupling provided with at least one RLC passive sensor (102) having a resistance and a capacitance or inductance provided for varying depending on one or more physical parameters, the measurement of which is desired, the reader including an inductive antenna (105), and means for iterative identification of at least the resistance and the capacitance or inductance of said sensor, provided for carrying out an iterative identification method comprising steps consisting of: emitting a test signal at the input of said antenna, achieving an estimation ŷk of the time response of the sensor to said test signal with means forming a discrete filter (112) provided with coefficients which may be modulated, adapting the coefficients of the discrete filter, depending on a criterion J depending on said estimation and on a discrete signal sk formed from a real signal taken at the terminals of the antenna in response to the emission of said test signal.
Abstract:
Analyzer 1 for analyzing a fluid 3 containing at least one substance to be analyzed and at least one inflammable substance containing: a source of gas 9 to provide a flux of diluent gas, an injecting nozzle 11 for introducing samples of the fluid into the flux of diluent gas and for producing a gaseous flux, and a detector 7 for analyzing the gaseous flux, wherein: the source of gas is intended to deliver a flux of diluent gas containing a material capable of supporting the combustion of the inflammable substance, preferably to deliver a flux of air, the injection nozzle is configured so as to introduce into the diluent gas samples of the fluid such that the average volume fraction of the fluid in the gaseous flux is less than 1/2,000 and preferably less than 1/20,000, and the detector contains at least one microsensor for detecting the substance to be analyzed. Corresponding method.