Abstract: A receiver (103) for receiving an Ultra Wide Band (UWB) signal comprises a receiver front end (105) coupled to symbol point correlators (107). The symbol point correlators (107) comprise a first plurality of correlators which generates correlated signal values around a first symbol decision point of a first symbol by correlating the received UWB signal with a local replica. The first plurality of correlators are time offset with respect to each other to generate first time offset correlated signal values. The time offsets are typically significantly less than the timing jitter of transmit and receive oscillators. The symbol point correlators (107) are coupled to a joint estimator (109) which determines a symbol value of the first symbol in response to the first time offset correlated signal values by joint detection of the symbol value and a time offset of the UWB signal. The invention may effectively reduce time jitter noise to a value determined by the relative time offset between the correlators.

Abstract: A method according to an embodiment of the invention includes receiving a string of symbols that uniquely identifies an optical networking unit (ONU) (e.g. a serial number of the ONU). Based on the received string of symbols, at least one attribute of the ONU is determined.

Abstract: A method and apparatus according to embodiments of the invention include monitoring connectivity between an OLT and at least one network termination node. The OLT sends a connectivity test signal to the network termination node under test and receives a responsive signal.

Abstract: A method of performance monitoring according to an embodiment of the invention includes, in a passive optical network (PON), sending system time of an optical line termination (OLT) to an optical network unit (ONU). The method further includes retrieving, by the OLT, network data collected at the ONU and associated with the sent OLT system time. The retrieved network data is stored at the OLT.

Abstract: Networks and networks for performance monitoring (PM) in a passive optical network, which contain at least one optical line terminator (OLT) and at least one optical network terminal (ONT), provide increased PM flexibility over traditional ONT management and control interface functionality. These networks and networks include setting a PM initialization time at the ONT, maintaining a base PM time at the ONT, zeroing an interval end time counter at the ONT and collecting a first set of PM data in PM bins for a specified PM time interval. The interval end time counter can sequentially increment after completing collection the first set of PM data. Once collection of the first set of PM data is complete and the interval end time counter has been incremented, these networks and networks can collect more sets of PM data in other PM bins for the PM time interval. Once PM data are collected, the OLT can retrieve the PM initialization time and the base PM time from the ONT, as well as the PM data from the PM bins.

Abstract: An interface component for a positioning system. The interface component includes a positioning arm having a first end and a second end, the first end being positionable against an object to be positioned and the second end being attachable to an actuator arm of the positioning system, and a damping element operably connected in parallel with the positioning arm.

Abstract: Processes for preparation of seals and gaskets using cure-in-place techniques that incorporate a molding step, which is preferably an injection molding step, are provided. The processes are useful for preparing sealing assemblies that comprise compositions that are curable by UV radiation and that are adhered to a support member.

Abstract: The invention proposes an ice detector for detecting ice accretion on the surface of a structure subject to icing, said ice detector comprising a sensing element protruding into the airflow and supported relatively to a surface of said object by a strut upon which it is mounted, characterized in that said sensing element has an evolutionary profile along the longitudinal axis adapted to the spectral distribution of the icing conditions. Said sensing element is adapted to the profile of ice distribution on the aircraft and allows detection on a large spectrum of droplet sizes.

Abstract: A flow meter which includes a resistive wire placed in the path of a fluid whereof the flow rate is to be measured. A processing unit for applying current pulses to the wire and for determining the cooling speed of the wire between the pulses. The processing unit also determines a cooling parameter and determines from the cooling parameter data concerning a possible operational drift or anomaly.

Abstract: A sensor for measuring physical parameters of a fluid, the sensor comprising an air intake fitted on a streamlined body, and a duct formed in said streamlined body to enable the fluid to flow and communicating with said air intake, the sensor being characterized in that said air intake has an inside section that is, at least in part, rounded and fitted on the streamlined body via a surface that is plane.

Abstract: The invention concerns a mass flow meter comprising at least a resistive wire (1 or 2) placed in the path of a fluid whereof the flow rate is to be measured, means (30) for applying to the wire current pulses, measuring means for determining the cooling speed of the wire between said pulses. The invention is characterised in that it comprises means for determining, on the basis of at least one measurement of the cooling speed, the type of fluid on the path of which the resistive wire is arranged.

Abstract: The invention relates to a request signal that is transmitted between a first and an additional transmitting and receiving device by means of a bi-directional first communications path. According to said request signal, a second communications path is established for a predetermined time interval and the receiving power in the additional transmitting and receiving device is measured by means of a measuring device.

Abstract: A sensor for measuring physical parameters of a fluid, the sensor comprising an air intake fitted on a streamlined body, and a duct formed in said streamlined body to enable the fluid to flow and communicating with said air intake, the sensor being characterized in that said air intake has an inside section that is, at least in part, rounded and fitted on the streamlined body via a surface that is plane.

Abstract: The present invention relates to a linear personalization machine comprising a transfer system (3) for portable objects (4), incorporating an integrated circuit, characterized in that it comprises a personalization elevator (20) translated vertically and sequentially on a guide support (70) by driving end positioning means (29, 73, 28, 75, 72), said elevator (20) being made up of a parallelepiped plate (23) fitted wits a plurality of connection devices whether or not mixed type (22i, 22n) connecting to the integrated circuit of portable objects (4) that are brought in sequential manner in front of an incoming/outgoing station or the transfer line.

Abstract: An interface component for a positioning system. The interface component includes a positioning arm having a first end and a second end, the first end being positionable against an object to be positioned and the second end being attachable to an actuator arm of the positioning system, and a damping element operably connected in parallel with the positioning arm.

Abstract: A sensor used to measure temperature or concentration of a combustible gas. The sensor includes an optical head that picks up infrared information emitted by the combustible gas. The infrared information is conveyed from the optical sensor through a diffracting device onto a strip of photodetectors. A processor receives the information garnered by the photodetectors and determines the concentration and temperature profile of the combustible gas based on a stored thermodynamic model, radiation behavior, varying the thermodynamic parameters, and comparing a calculated spectrum with the measured spectrum. The sensor additionally has elements, such as cooling devices and casing to make it suitable for use with aviation where altitude creates problems with known methods of gas temperature analysis.

Abstract: The invention concerns a probe (S) for measuring physical parameters of a fluid flow generally directed rearwards of the probe, the probe comprising a structure (10, 20) bearing at least a sensor (C). The invention is characterised in that said structure comprises a part (20) whereof a leading edge (22) extends generally frontwards of the sensor and has a shape adapted to generate a vortex, and the sensor extends in the axial region of said vortex.

Abstract: A mass flowmeter including a resistive wire adapted to be placed across the path of a fluid whose flow rate is to be measured, a controller unit for applying electrical energy to the wire, and a processor unit for deducing the mass flow rate of the fluid from variations in the temperature of the fluid. In one embodiment, the controller unit applies current pulses to the wire during given periods and the processor unit determines the rate at which the wire cools between pulses. The invention is applicable to measuring any mass flow rate in various environments.

Abstract: The hydrophone according to the invention comprises at least one detection unit (1) comprising a casing made up of two cups (2a, 2b) resting on each other by a peripheral rim (3), each one of them being provided with a flexible central part, and a sensitive element (4) associated with electrodes, that is fastened to the central part of the cups, on the outer face thereof, a hollowed flat centering element (6) made of a deformable material, into which at least one casing is fitted, intended to be inserted into a tube (9) along an axial plane thereof, this centering element being provided for example with an inner slot (8) for fitting in the peripheral rim of the two cups (2a, 2b) of the casing, and a sealed protective coating (11) sheathing detection unit (1), and a part of the inner face of tube (9).

Abstract: This invention relates to a plastic substrate production process, the production device for such a substrate, and the use of the process for the production of integrated circuit boards. The plastic substrate production process is characterized in that it comprises the following steps: unwinding and straightening of a continuous strip of plastic which is slightly larger in dimension than one of the dimensions of the board; printing, at at least one printing station, of a series of printing patterns and of printed markings; driving of the strip at a regulated printing speed; detection of the difference in speed; cutting by a press of the strip at positions defined by the printed markings; and regulation of the printing speed as a function of the difference between the printing speed and the driving speed.