Abstract: A photosensor provided herein includes a sensing structure and a microlens. The sensing structure includes an epitaxial layer, a deep trench and a scattering structure. The epitaxial layer has an illuminated surface and a non-illuminated surface. The deep trench isolation is located along an edge of the epitaxial layer. The scattering structure is embedded in the epitaxial layer and extends inwardly from the illuminated surface. The scattering structure includes a first circular ring pattern and a peripheral pattern. The deep trench isolation surrounds the scattering structure, the peripheral pattern is connected with the deep trench isolation and the first circular ring pattern is separated from the peripheral pattern and the deep trench isolation. The microlens is disposed on the epitaxial layer, wherein the illuminated surface of the epitaxial layer is relatively close to the microlens than the non-illuminated surface.

Abstract: A seal monitoring system includes at least one sensor configured to couple to an outer surface of a housing and to output a sensor signal indicative of deformation of the housing. The housing is configured to receive an insert within an internal cavity of the housing, and an engageable seal is configured to selectively establish a seal between the insert and the housing. The seal monitoring system also includes a controller communicatively coupled to the at least one sensor. The controller includes a memory and a processor, the controller is configured to determine a degree of engagement of the engageable seal based on the deformation of the housing. Additionally or alternatively, the controller is configured to determine a fluid pressure within the housing based on the deformation of the housing.

Abstract: Smart wellhead assemblies with sensors for detecting positions of components within the bores of the wellhead assemblies are provided. In some instances, the sensors can be used to detect one or more of landing, locking, or concentricity of hangers, packoffs, or other internal wellhead components within bores. In one example, a method of installing a hanger within a wellhead includes lowering the hanger within the wellhead and using one or more sensors to detect when the hanger is at a target location. The method can also include activating a locking mechanism of the hanger and using the one or more sensors to detect when the locking mechanism has secured the hanger within the wellhead. Additional systems, devices, and methods are also disclosed.

Abstract: Smart wellhead assemblies with sensors for detecting positions of components within the bores of the wellhead assemblies are provided. In some instances, the sensors can be used to detect one or more of landing, locking, or concentricity of hangers, packoffs, or other internal wellhead components within bores. In one example, a method of installing a hanger within a wellhead includes lowering the hanger within the wellhead and using one or more sensors to detect when the hanger is at a target location. The method can also include activating a locking mechanism of the hanger and using the one or more sensors to detect when the locking mechanism has secured the hanger within the wellhead. Additional systems, devices, and methods are also disclosed.

Abstract: The present invention relates to a catalyst precursor for forming a molybdenum disulfide catalyst through a reaction with sulfur in heavy oil and to a method for hydrocracking heavy oil by using same. According to the present invention, the yield of a low-boiling liquid product with a high economic value in the products by heavy oil cracking can be increased, and the yield of a relatively uneconomical gas product or coke (toluene insoluble component), which is a byproduct, can be significantly lowered.

Abstract: A printer assembly is described that includes a media hub configured to receive a media roll and supply a media from the media roll along a media path, wherein the media includes a plurality of labels each comprising a Radio Frequency Identification (RFID) inlay. The printer assembly also includes a media guide positioned adjacent to the media path. The media guide includes an RFID antenna, with the RFID antenna communicatively coupled to an RFID control system and configured to transmit signals to encode the RFID inlay on a first label. The media guide also includes at least one shield, wherein the at least one shield is positioned adjacent to the RFID antenna to prevent, during an encoding of the RFID inlay on the first label of the plurality of labels, an encoding of the RFID inlay on a second label of the plurality of labels.

Abstract: A test cartridge for insertion into an analysis instrument having an actuation mechanism, the test cartridge having one or more sensors for measuring an aspect of the actuation mechanism.

Abstract: Smart wellhead assemblies with sensors for detecting positions of components within the bores of the wellhead assemblies are provided. In some instances, the sensors can be used to detect one or more of landing, locking, or concentricity of hangers, packoffs, or other internal wellhead components within bores. In one example, a method of installing a hanger within a wellhead includes lowering the hanger within the wellhead and using one or more sensors to detect when the hanger is at a target location. The method can also include activating a locking mechanism of the hanger and using the one or more sensors to detect when the locking mechanism has secured the hanger within the wellhead. Additional systems, devices, and methods are also disclosed.

Abstract: A vibration plate having a reinforced structural element is provided. The vibration plate includes a vibration plate main body. The vibration main body has a first surface and a second surface opposite to each other. The reinforced structural element is located between the first surface and the second surface. A material of the vibration plate main body is different from a material of the reinforced structural element.

Abstract: The present invention relates to a catalyst precursor for forming a molybdenum disulfide catalyst through a reaction with sulfur in heavy oil and to a method for hydrocracking heavy oil by using same. According to the present invention, the yield of a low-boiling liquid product with a high economic value in the products by heavy oil cracking can be increased, and the yield of a relatively uneconomical gas product or coke (toluene insoluble component), which is a byproduct, can be significantly lowered.

Abstract: A symmetric dual suspension speaker structure is herein disclosed, comprising a basin frame, a U-shaped iron, a magnet permeability ferrite ring, a corrugated rim, a diaphragm, a sound coil, a damper clamped between the magnet permeability ferrite ring and the U-shaped iron, as well as a magnet, wherein the peripheral edge around the upper surface of the diaphragm can be stretched in the vertical direction to form a barrel component, and the corrugated rim is used to bond and fix the top end of the barrel component while the damper is used to bond and fix the bottom end of the barrel component, such that the sound coil can bring the barrel component of the diaphragm to vertically vibrate thus improving the instability existing in the bonding of the conventional diaphragm and the coil framework.

Abstract: A symmetric dual suspension speaker structure is herein disclosed, comprising a basin frame, a U-shaped iron, a magnet permeability ferrite ring, a corrugated rim, a diaphragm, a sound coil, a damper clamped between the magnet permeability ferrite ring and the U-shaped iron, as well as a magnet, wherein the peripheral edge around the upper surface of the diaphragm can be stretched in the vertical direction to form a barrel component, and the corrugated rim is used to bond and fix the top end of the barrel component while the damper is used to bond and fix the bottom end of the barrel component, such that the sound coil can bring the barrel component of the diaphragm to vertically vibrate thus improving the instability existing in the bonding of the conventional diaphragm and the coil framework.

Abstract: The present invention relates to a method for converting heavy oil by means of high dispersion of asphaltenes, comprising the steps of: preparing a mixture by mixing an amphiphilic additive and the heavy oil; and performing a hydrogenation reaction on the mixture, wherein the amphiphilic additive comprises both a polar group and a nonpolar group.

Abstract: A system includes a running tool having a tool body configured to couple to a hanger assembly, a first sleeve disposed around the tool body and configured to move in an axial direction with respect to the tool body, a torque sleeve disposed around the tool body and configured to move in the axial direction as a result of movement of the first sleeve in the axial direction, where the torque sleeve has a first torque transfer interface configured to interlock with a second torque transfer interface of the hanger assembly to enable torque transfer from the running tool to the hanger assembly, and a second sleeve configured to couple to the first sleeve, where the second sleeve is configured to move to engage a lock member of the hanger assembly and to move the lock member between a locked position and an unlocked position.

Abstract: According to various embodiments, a Raman spectroscopy method is provided for reduction of background fluorescence signal. The method may utilize a high speed optical chopper configured to periodically interrupt the laser light beam between the laser light source and the sample; and using the high speed optical chopper to provide a synchronized time-gated optical window for receiving mostly Raman signal while rejecting most or some of the fluorescence signal transmitted from the sample in response to the laser light beam before reaching the sensor.

Abstract: The present invention relates to a method for converting heavy oil by means of high dispersion of asphaltenes, comprising the steps of: preparing a mixture by mixing an amphiphilic additive and the heavy oil; and performing a hydrogenation reaction on the mixture, wherein the amphiphilic additive comprises both a polar group and a nonpolar group.

Abstract: A surround acoustic box system comprises at least a first separable acoustic box, at least a separable second acoustic box and a host acoustic box body, wherein the first separable acoustic box and the second separable acoustic box respectively has a forward speaker unit and a left front speaker for providing forward channels, and the host acoustic box body is a horizontal bar-like acoustic box and further includes a console circuit module, a power supply circuit module, at least a first positioning sensor part, at least a second positioning sensor part, at least two front speakers and at least two top speakers, in which the first separable acoustic box and the second separable acoustic box can be attached to the host acoustic box body or otherwise detached from the host acoustic box body so as to achieve various surround channel effects through the controls of the console circuit module.

Abstract: A system includes a running tool having a tool body configured to couple to a hanger assembly, a first sleeve disposed around the tool body and configured to move in an axial direction with respect to the tool body, a torque sleeve disposed around the tool body and configured to move in the axial direction as a result of movement of the first sleeve in the axial direction, where the torque sleeve has a first torque transfer interface configured to interlock with a second torque transfer interface of the hanger assembly to enable torque transfer from the running tool to the hanger assembly, and a second sleeve configured to couple to the first sleeve, where the second sleeve is configured to move to engage a lock member of the hanger assembly and to move the lock member between a locked position and an unlocked position.

Abstract: A surround acoustic box system comprises at least a first separable acoustic box, at least a separable second acoustic box and a host acoustic box body, wherein the first separable acoustic box and the second separable acoustic box respectively has a forward speaker unit and a left front speaker for providing forward channels, and the host acoustic box body is a horizontal bar-like acoustic box and further includes a console circuit module, a power supply circuit module, at least a first positioning sensor part, at least a second positioning sensor part, at least two front speakers and at least two top speakers, in which the first separable acoustic box and the second separable acoustic box can be attached to the host acoustic box body or otherwise detached from the host acoustic box body so as to achieve various surround channel effects through the controls of the console circuit module.

Abstract: A portable speaker charging structure comprises an outer case body and a speaker device, wherein the outer case body includes an accommodation space having a charging device and at least a separable inner case, and wherein the separable inner case is placed over the charging device and the speaker device is placed on the separable inner case. The charging device allows to electrically charge the speaker device such that a user needs only to carry the outer case body when travelling outdoors without having to take the speaker and the charging device thereby significantly saving space occupied by the goods the user carrying along. In addition, the portable speaker charging structure according to the present invention can be further applied as a mobile power source.