Abstract: The invention relates to optoelectronic systems for detecting one or more target particles. The system includes a reaction chamber, a specimen collector, an optical detector, and a reservoir containing cells, each of the cells having receptors which are present on the surface of each cell and are specific for the target particle to be detected, where binding of the target particle to the receptors directly or indirectly activates a reporter molecule, thereby producing a measurable optical signal.

Abstract: A structural member and method with an improved arm connection is provided that allows quick connection of an arm to the structural member. Pins are inserted through aligned apertures in first and second thru-vangs, as well as an abutting arm bracket. A flexible securement member is inserted through an aperture in the pins that is transverse to the pins. Last, an arm is secured to the arm bracket for support of electrical conductors strung thereon.

Abstract: A tube coupling includes a coupling body (10) having an open ended throughway (11) to receive a tube (16). A collet (20) is located in the open end of the throughway having a ring (21) and a plurality of flexible arms (22) extending into the throughway. The throughway has a tapered cam surface (25) convergent towards the open end and the collet arms have heads (23) at their distal ends for engaging both the cam surface and a tube extending through the collet into the throughway to be compressed against the tube by the cam surface with outward movement of the collet with respect to the throughway to secure the tube in the throughway. A collet lock (27) is rotatably mounted on the coupling body having one rotary position in which the lock holds the collet (20) and another rotary position in which the collet can move axially.

Abstract: A liquid flow control device has a port or passageway through which liquid flow is to be controlled. A body of a liquid swellable material is located in the port or passageway having an upstream side and a downstream side in relation to the direction of liquid flow through the port or passageway. A layer of sealing material is provided on the upstream side of the body to prevent contact of that side of the body with the liquid when the body is swollen to close the port or passageway whilst allowing contact of the downstream side of the body when the body is in the non-swollen condition allowing liquid flow through the port or passageway.

Abstract: The invention relates to optoelectronic systems for detecting one or more target particles. The system includes a reaction chamber, a specimen collector, an optical detector, and a reservoir containing cells, each of the cells having receptors which are present on the surface of each cell and are specific for the target particle to be detected, where binding of the target particle to the receptors directly or indirectly activates a reporter molecule, thereby producing a measurable optical signal.

Abstract: A structural member and method with an improved arm connection is provided that allows quick connection of an arm to the structural member. Pins are inserted through aligned apertures in first and second thru-vangs, as well as an abutting arm bracket. A flexible securement member is inserted through an aperture in the pins that is transverse to the pins. Last, an arm is secured to the arm bracket for support of electrical conductors strung thereon.

Abstract: A liquid flow control device has a port or passageway through which liquid flow is to be controlled. A body of a liquid swellable material is located in the port or passageway having an upstream side and a downstream side in relation to the direction of liquid flow through the port or passageway. A layer of sealing material is provided on the upstream side of the body to prevent contact of that side of the body with the liquid when the body is swollen to close the port or passageway whilst allowing contact of the downstream side of the body when the body is in the non-swollen condition allowing liquid flow through the port or passageway.

Abstract: A liquid flow control device has a port or passageway through which liquid flow is to be controlled. A body of a liquid swellable material is located in the port or passageway having an upstream side and a downstream side in relation to the direction of liquid flow through the port or passageway. A layer of sealing material is provided on the upstream side of the body to prevent contact of that side of the body with the liquid when the body is swollen to close the port or passageway while allowing contact of the downstream side of the body when the body is in the non-swollen condition allowing liquid flow through the port or passageway.

Abstract: A tube coupling includes a body having a cylindrical projection to engage in a tube to be secured to the body. A grab ring is mounted by arms having openings to snap onto abutments on the coupling body. The grab ring encircles with a clearance the projection and engages an outer surface of a tube pushed onto the projection to grip and resist withdrawal of the tube from the projection.

Abstract: An online credit system is disclosed. The online credit system allows purchasers (requesters) to request and receive credit (e.g., store credit) for prior purchases of qualifying products. The credit can made available to purchasers as an electronic credit voucher. Through online interaction with the online credit system, a purchaser is able to be informed in near real-time whether a particular prior purchase qualifies for an offered credit. The online credit system can also enforce credit eligibility rules so that only certain prior purchases of certain products are able to receive a credit. The online credit system can also incorporate techniques to mitigate or prevent fraudulent attempts to access such credit. In one embodiment, the products qualifying for credit are wireless electronic devices, such as mobile telephones.

Abstract: A tube coupling includes a coupling body (10) having an open ended throughway (11) to receive a tube (16). A collet (20) is located in the open end of the throughway having a ring (21) and a plurality of flexible arms (22) extending into the throughway. The throughway has a tapered cam surface (25) convergent towards the open end and the collet arms have heads (23) at their distal ends for engaging both the cam surface and a tube extending through the collet into the throughway to be compressed against the tube by the cam surface with outward movement of the collet with respect to the throughway to secure the tube in the throughway. A collet lock (27) is rotatably mounted on the coupling body having one rotary position in which the lock holds the collet (20) and another rotary position in which the collet can move axially.

Abstract: A frequency and/or phase locked loop architecture that eliminates the loop filter generally required in conventional phase locked loops, and which may be implemented in digital logic, for example, as a field programmable gate array. In one example, a frequency/phase locked loop includes both a frequency comparison component and a phase comparison component to allow locking of an output clock signal to both the frequency and phase of a reference signal.

Abstract: A heat-shrink tube for an electrical power cable comprises a sleeve having an insulating inner layer, a conductive outer layer and a thermoplastic mid-layer located between the inner and outer layers. The mid-layer is recovered by the application of heat thereto. The insulating inner layer is preferably comprised of an elastomeric material and the thermoplastic mid-layer is rigid and acts to retain the inner layer in a radially expanded state prior to its recovery.

Abstract: A liquid flow control device includes an annular housing having an inlet for liquid in one periphery of the housing and an outlet for liquid in the other periphery. An annular block of water swellable material is located in the housing. A layer of sealing material encircles the annular block on the side thereof adjacent the inlet to close the inlet when the block is swollen through contact with the liquid.

Abstract: A steam turbine installation (1), especially for electricity generation, includes a steam path (2) in which a steam generator (4) and a steam turbine (3) are arranged. In order to reduce the risk of erosion for components which are arranged in the steam path (2), for example blades of the steam turbine (3), an inertial separator (6) is arranged in the steam path (2) between the steam generator (4) and the steam turbine (3).

Abstract: A frequency and/or phase locked loop architecture that eliminates the loop filter generally required in conventional phase locked loops, and which may be implemented in digital logic, for example, as a field programmable gate array. In one example, a frequency/phase locked loop includes both a frequency comparison component and a phase comparison component to allow locking of an output clock signal to both the frequency and phase of a reference signal.

Abstract: A collet for locking a tube in a tube coupling body is moulded in plastics and comprises an annular collar having a plurality of arms extending from the collar generally parallel to the collar axis. Each arm has a head at its distal end spaced from the collar for engaging between a tube and coupling body to lock the tube in the coupling body. Different materials are used for the heads of the collet and the rest of the collet whereby the heads are stronger and relatively rigid whereas the rest of the collet is relatively flexible.

Abstract: The invention relates to optoelectronic systems for detecting one or more target particles. The system includes a reaction chamber, a specimen collector, an optical detector, and a reservoir containing cells, each of the cells having receptors which are present on the surface of each cell and are specific for the target particle to be detected, where binding of the target particle to the receptors directly or indirectly activates a reporter molecule, thereby producing a measurable optical signal.

Abstract: A tube coupling includes a body having a cylindrical projection to engage in a tube to be secured to the body. A grab ring is mounted by arms having openings to snap onto abutments on the coupling body. The grab ring encircles with a clearance the projection and engages an outer surface of a tube pushed onto the projection to grip and resist withdrawal of the tube from the projection.

Abstract: The invention relates to optoelectronic systems for detecting one or more target particles. The system includes a reaction chamber, a specimen collector, an optical detector, and a reservoir containing cells, each of the cells having receptors which are present on the surface of each cell and are specific for the target particle to be detected, where binding of the target particle to the receptors directly or indirectly activates a reporter molecule, thereby producing a measurable optical signal.