摘要:
An apparatus is disclosed for studying an object based on at least one of polarization, space, position or angle of light that has reflected from the object. An optical tomographic instrumentation of the apparatus includes a light source coupled to a source path, a sample path, a reference path, and a detection path, wherein the light source generates a spectrally resolved bandwidth. The spectrally resolved bandwidth includes a plurality of spectrally resolved cells and a detector in the detection path for analyzing light reflected from an object in the sample path and the light reflected in the reference path based upon at least one of the polarization, spatial relationship, position or angle domains.
摘要:
A mobile wireless communications device includes a housing and circuit board carried by the housing and having RF circuitry comprising at least one RF component and plurality of other components mounted on the circuit board. An RF metal shield is secured to the circuit board and surrounds and isolates the at least one RF component and plurality of other components within the RF metal shield. An RF absorber is positioned adjacent an area of the RF component that radiates energy to aid in reducing energy radiated from the RF component into the RF metal shield.
摘要:
A system and method for demonstrating or testing operation of on-board diagnostics in a vehicle include imitating performance degradation of a vehicle hardware component and/or associated vehicle system by dynamically modifying at least one control system parameter value associated with the hardware component in response to a request to demonstrate operation of a selected diagnostic function or a specified performance degradation. Embodiments modify at least one control system parameter value associated with the input/output signal of a sensor/actuator to imitate a specified performance degradation. The diagnostics independently monitor operation of various vehicle control systems and operate to detect the degraded performance without knowledge of, or distinguishing between, whether the performance degradation was caused by an actual hardware component, or by the requested modification to the control system parameter value(s) associated with a particular hardware component.
摘要:
A method for operating an engine having a variable cam timing control system, for controlling a camshaft angle in such engine. The method includes deactivating the variable cam timing system and setting the camshaft angle to a predetermined angle for a predetermined duration after failure in a sensor used to control the variable cam timing system and then reactivating the variable cam timing system after such predetermined time. The deactivating continues during the predetermined duration in the presence of a subsequent failure of the sensor during the predetermined duration. The reactivating comprises driving the cam angle to a camshaft angle established by the variable cam timing system in a predetermined manner. The reactivating occurs over a predetermined reactivation time.
摘要:
An organic contaminant molecule sensor is described for use in a low oxygen concentration monitored environment. The sensor comprises an electrochemical cell, which is formed from a measurement electrode coated with (or formed from) a catalyst having the ability to catalyse the dissociative adsorption of the organic contaminant molecule, the electrode being positioned for exposure to the monitored environment, a reference electrode coated with (or comprised from) a catalyst selected for its ability to catalyse the dissociation of oxygen to oxygen anions, the reference electrode being positioned within a reference environment, and a solid state oxygen anion conductor disposed between and bridging the measurement and reference electrodes, wherein oxygen anion conduction occurs at or above a critical temperature, Tc. Sealing means are provided for separating the reference environment from the monitored environment. Means are also provided for controlling and monitoring the temperature of the cell, and for controlling the electrical current (Ip) flowing between the reference and measurement electrodes. At temperatures (Tads) below Tc, organic contaminant molecules are adsorbed onto and dissociated at the surface of the measurement electrode leading to the build up of carbonaceous deposits at the surface thereof. At temperatures (Ttit) above Tc, an electrical current (Ip) is passed between the reference and measurement electrode thereby to control the number of oxygen anions passing from the reference electrode to the measurement electrode to oxidise the carbonaceous deposits formed at the surface thereof and the formation of carbon dioxide.
摘要翻译:描述了一种有机污染物分子传感器用于低氧浓度监测环境。 该传感器包括电化学电池,该电化学电池由涂覆有(或由其形成)的催化剂的测量电极形成,所述催化剂具有催化有机污染物分子的解离吸附的能力,该电极定位用于暴露于被监视的环境中, 电极被涂覆有(或由其组成)催化剂,其催化剂能够催化氧与氧阴离子的解离,参考电极位于参考环境内,固态氧阴离子导体设置在桥接测量和参考电极之间 其中氧阴离子导电发生在临界温度T T以上。 提供密封装置用于将参考环境与被监视环境分离。 还提供了用于控制和监测电池的温度并用于控制在参考电极和测量电极之间流动的电流(I SUB)的装置。 在低于T c C的温度下,有机污染物分子被吸附到测量电极的表面并离解,导致在表面积累碳质沉积物 其中。 在高于T c C的温度(T T)下,在参考电极和测量电极之间通过电流(I P),从而控制 从参考电极传递到测量电极的氧阴离子数量,以氧化其表面形成的碳质沉积物和形成二氧化碳。
摘要:
A purifier is described for use in a gas processing application. The purifier comprises a chamber having a gas inlet and a gas outlet. A series of baffles are arranged in the chamber and coated with a getter material selected for its ability to react with species to be removed from a gas stream and form stable compounds. The chamber also houses a source of the getter material, which is periodically activated to refresh the coating of getter material on the baffles.
摘要:
An apparatus is provided for use with thin film deposition to permit sequential deposition of discrete conformal layers onto a substrate situated within the apparatus. The apparatus includes a chamber and an outlet in substantial alignment therewith. The chamber includes an inlet to permit introduction of a pressurized gas into the chamber, and a platform on which a substrate may be placed for thin film deposition. The outlet provides an exit through which the substrate may be removed from within the chamber. The apparatus also includes a gate position within the chamber adjacent the outlet for moving between an open position and a closed position relative to the outlet. In the presence of pressurized gas within the chamber, the gate may be pushed against the outlet to provide a substantially pressure tight seal thereat.
摘要:
A gateway having a first port coupled to a first network and a second port coupled to a second network. Processes are implemented within the gateway for identifying at least one service provided by the first network that is not provided by the second network. Processes are also implemented within the gateway for implementing the at least one service on behalf of the second network.
摘要:
An equipment area network is provided for a plurality of pieces of industrial equipment by connecting to each a controller, a Web server connected to or integral with the PLC, and a router connected between the PLC and a LAN or WAN, the router serving to both selectively isolate the PLC from the LAN or WAN, and to route traffic therebetween that may include Web traffic.
摘要:
A one piece hole saw assembly with mandrel permanently affixed to the hole saw cup. The mandrel contains a hollow shaft, a locking flange and reinforcing flange which are integrally formed as by machining. The locking flange of the mandrel mates with a locking hole or slot in the top surface of the hole saw cup. The reinforcing flange on the mandrel is welded during manufacture to the top surface of the hole saw cup. A pilot drill bit is inserted into the shaft core and welded to the shaft. The resulting product is a one piece hole saw assembly intended for use by simple insertion of the mandrel or shaft end of the pilot drill into the chuck of a conventional electric drill.