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A Wireless Personal Area Network that provides multiple users with multi-gigabit-per-second data rate wireless connectivity and is integrated with an optical fiber distribution network is disclosed. Embodiments relate generally to an integrated fiber optic WPAN architecture that comprises multiple 57-66 GHz remotely located wireless access points interconnected with a centrally located distribution point using optical fiber links. The integrated network provides an efficient, flexible and scalable 57-66 GHz WPAN architecture since the fiber optic links accommodate the delivery of bandwidth intensive services to large numbers of users while seamlessly supporting the diversity of multi-gigabit-per-second data applications. Two approaches for the transport of the WPAN signals over the optical fiber signal distribution network are described. One technique for interconnecting the remote radio access points in the fiber distributed 57-66 GHz WPAN is via an optical fiber network which can transport the wireless signals over the fiber as ‘analog over fiber’. An alternative ‘digital over fiber’ signal transport scheme for the fiber distributed 57-66 GHz WPAN is also described which supports the transport of the multi-gigabit-per-second WPAN digital data streams over fiber.

A spinal stabilization system includes a first engagement member and a support structure. The first engagement member is adapted to be disposed between a first vertebra and a second vertebra. The engagement member generally includes a seating surface for accommodating at least a portion of a laminar region of the first vertebra. The support structure engages a portion of the second vertebra. The structural cooperation of the first engagement member and the support structure is such that the engagement member restricts reduction of the intervertebral spacing between the first and second vertebrae.

A scintillator system is provided to detect the presence of fissile material and radioactive material. One or more neutron detectors are based on 6LiF mixed in a binder medium with scintillator material, and are optically coupled to one or more wavelength shifting fiber optic light guide media that have a tapered portion extending from the scintillator material to guide light from the scintillator material to a photosensor at the tapered portion. An electrical output of the photosensor is connected to an input of a first pre-amp circuit designed to operate close to a pulse shape and duration of a light pulse from the scintillator material, without signal distortion. The scintillator material includes a set of scintillation layers connected to the wavelength shifting fiber optic light guide media that guide light to the photosensor. Moderator material is applied around the set of scintillation layers increasing detector efficiency.

An endoscope having an objective lens drive mechanism for an optical objective lens system, which is incorporated into a rigid tip end section of an elongated insertion instrument of the endoscope and provided with at least two movable lens groups which are movable in the direction of optical axis of the objective lens system. Ring members are connected to movable lens frames which support the respective movable lens groups. A cam pin is projected radially on the inner periphery of each ring member, while a cam shaft which is formed with a plural number of cam grooves on its circumferential surface is located in parallel relation with the optical objective lens system. The members are fitted on the cam shaft with the respective cam pins in engagement with the cam grooves. The cam shaft is rotated in forward and reverse directions by a drive means.

A scintillator system is provided to detect the presence of fissile material and radioactive material. One or more neutron detectors include scintillator material, and are optically coupled to one or more wavelength shifting fiber optic light guide media that extend from the scintillator material to guide light from the scintillator material to a photosensor. An electrical output of the photosensor is connected to an input of a pre-amp circuit designed to provide an optimum pulse shape for each of neutron pulses and gamma pulses in the detector signals. Scintillator material as neutron detector elements can be spatially distributed with interposed moderator material. Individual neutron detectors can be spatially distributed with interposed moderator material. Detectors and moderators can be arranged in a V-shape or a corrugated configuration.

A heat dissipation device includes a heat conducting plate (100) for contacting with an electronic component (400), a heat sink (200) mounted on the heat conducting plate and a heat pipe (300). The heat conducting plate comprises a groove (110) defined in. The heat pipe comprises an evaporating portion (310) sandwiched between the heat conducting plate and the heat sink, and a condensing portion (320) thermally connecting with the heat sink. The evaporating portion comprises a middle portion (3104) having a circular cross section and accommodated in the groove of the heat conducting plate, and a pair of end portions (3102) formed on opposite sides of the middle portion. The end portions have flat bottom surfaces.

A code reader comprising an integrated light source for the illumination of a reading region, a sensor matrix and an optical receiving system positioned in front of the latter, wherein the light emergence surface of the light source is located in or closely in front of the depth of field zone of the optical receiving system.

An automobile exhaust filter that both traps particulates while altering the concentration of one or more gaseous species is provided. This dual functionality is combined in a single device by utilizing a reactive material that simultaneously alters gaseous component concentration while filtering out particulate material. The automobile exhaust filter is suitable for inclusion in the exhaust of a diesel-powered vehicle. A method utilizing the automobile exhaust catalyst is also provided.

A steerable bore hole drilling tool and method of drilling bore holes. The steerable bore hole drilling tool comprise means for mechanically decoupling the sensor unit from the tool body. The method comprises a step of mechanically decoupling the sensor unit form the tool body.

A child safety seat arrangement is disclosed wherein the child is secured to the safety seat by a harness. The harness is then secured with respect to the vehicle by a mounting arrangement that is independent of any seat shell. Preferably, there is also a seat shell that is itself secured with respect to the vehicle. Also disclosed is a child safety seat arrangement having a seat shell with apertures through which a harness can be passed. The harness preferably includes a main harness strap which is looped behind the seat shell, through a pair of apertures therein, to provide two shoulder straps to extend over a child's shoulders. The disclosure includes multiple pairs of apertures to allow for adjustment of the height of the shoulder straps.

The present invention is a mounting system for vertical conveyor belts. The combination of rider positioned on the inward side of the vertical conveyor belt and a guide positioned outward of the outer surface of the conveyor frame secures the vertical conveyor belt about the diverter assemblage.