859results about How to "Reduce occlusion" patented technology

A hearing aid includes a first half shell and a second shell attached to the first shell. A microphone, battery, electronics, a receiver and a flexible tip are mounted within a housing formed by the first half shell and the second half shell. A mechanical securing mechanism, located on the first half shell and the second half shell, attaches the first half shell to the second half shell. A flexible tip for a hearing aid includes a tip portion, a sound port attached to the tip portion and a vent formed in the flexible tip. The vent provides static pressure equilibrium between an ear canal and an ambient pressure.

The present invention relates to a modular hearing aid having a base unit and a detachable earmold. A battery, an earmold tip and a receiver can be integrated with the earmold. The earmold can also include a removably attached module. The module can have a shell, electronics, a receiver or a microphone. A hearing aid also includes a flexible hearing aid tip having a vibration isolator portion and a mushroom shaped tip portion. The vibration isolator portion mechanically decouples a receiver from a hearing aid base unit while the mushroom shaped tip portion provides an acoustic seal in the ear canal of a user. The internal components of a hearing aid can be potted to attenuate vibrations created by the receiver during operation.

The present invention includes materials and methods for providing vehicles useful for providing drug formulations that address the potential drawbacks of known nonaqueous formulations. In particular, the present invention includes nonaqueous vehicles that are formed using a combination of polymer and solvent that results in a vehicle that is miscible in water. The nonaqueous vehicles facilitate the formulation of drug formulations that are stable over time, even when stored at, or exposed to, elevated temperatures. Moreover, the miscible vehicles of the present invention allow the preparation of drug formulations that work to reduce the occurrence of partial or complete occlusions of the delivery conduits included in delivery devices used to administer the drug formulations.

The invention discloses a robot indoor positioning and navigating method based on vision, belonging to the field of vision navigation. According to two-dimension codes, the method designs a manpower road sign which is simple and convenient, is easy to recognize, internally contains absolute position coordinates and has certain error correction capability; the road sign is arranged on a ceiling; a camera arranged on the robot, with the optical axis vertical to the ceiling, is used for photographing; the coordinate information included in the road sign is analyzed by road sign positioning of a series of steps such as threshold segmenting of images, extracting of communicating region, profile curve matching and recognizing of road sign characteristic; and the current absolute position and course angle of the robot can be finally obtained by the position estimation arithmetic of the robot. The method has the advantages of reducing the blocking and noise interference, and greatly reducing the processing time and the complexity of surrounding environments of the image processing method.

A method for controlling a graphical user interface (GUI) for a touchscreen-enabled computer systems provides a variety of software methods (tools) provide for high-fidelity control of the user interface. The TrackScreen tool provides finger-friendly mouse functions such as scrolling, dragging and clicking. The Magnifier application continuously captures the current screen image, and displays a magnified subset of it. Selecting within this magnified area with a pointing device (mouse, touchscreen, digitizer, etc) causes the application to simulate the action on the portion of the screen corresponding to the point in the magnified image that was selected. A KeyBoard application, a keyboard is rendered on screen, with sufficient size that the individual keys are easily selectable with an unaided finger. The Common Tasks Tool or CTT) allows common keyboard shortcuts, mouse events, and other user interface events to be specified in a configuration file and represented on screen as a large, easy-to-click button. The Touchscreen Task Switcher is invoked using any interface (software or hardware) element, and visually takes up the entire screen. The Touchscreen Snapshot utility ties in with an external camera with a physical button on it. The Window Template Manager (WTM), is used to specify, and then instantiate, the position and sizes of multiple windows for use with a touchscreen display. The Touch Portal is a full-screen application with a set of customizable buttons representing applications and other tools.

An objective is configured with a first partial objective and a second partial objective. The first partial objective, which projects a first field plane onto an intermediate image, has a first, convex mirror and a second, concave mirror. The second partial objective, which projects the intermediate image onto a second field plane, has a third and a fourth mirror, both concave. All of the four mirrors have central mirror apertures. The axial distance between the first and second mirrors is in a ratio between 0.95 and 1.05 relative to the distance between the second mirror and the intermediate image. The axial distance ZM3-IM between the third mirror and the second field plane conforms to the relationship 0.03·DuM3+5.0⁢ ⁢mm<ZM3-IM<0.25·DuM3tan⁡(arcsin⁡(NA)).NA represents the numerical aperture NA in the second field plane, and DuM3 represents the diameter of the third mirror. The objective furthermore has a Petzval radius with an absolute value larger than the distance between the first and second field planes.

A personal hearing control system includes a microphone located within a user's sealed ear canal, a speaker having a diaphragm which directs sound into the ear canal, and a controller which drives the speaker such that the system emulates the acoustics of the user's open ear canal. Also provided are a microphone located on the outer ear side of the sealed ear canal, which is coupled to a handheld interface unit having multiple inputs and operating modes. A user-selected input is processed by the interface unit, and the processed signal is coupled to the speaker. In one operating mode, the output of the outer ear mic is processed so as to cancel sound that leaks from the outer ear to the inner ear side of the seal.

A method and apparatus are disclosed for controlling blood flow through an extracorporeal blood circuit having a controller comprising the steps of: withdrawing the blood from a withdrawl blood vessel in a patient into the extracorporeal circuit, treating the blood in the circuit and infusing the treated blood into the patient; detecting an occlusion which at least partially blocks the withdrawl or infusion of the blood; reducing the blood flow rate and the rate of filtration in response to the occlusion, and further prompting the patient to move his arm in an effort to alleviate the occlusion.

A blood vessel clip applicator preferably includes two twist pins at one end, between which a blood vessel is placed before occlusion. A magazine in the blood vessel clip applicator preferably holds a plurality of blood vessel clips and can be rotated independently from a grip assembly, whereby the twist pins can be rotated to compress a blood vessel held between them. A blood vessel clip is preferably placed on the blood vessel after it has been flattened.A blood vessel clip preferably comprises spring quality material, and preferably has a head connected to a first leg and a second leg. The magazine preferably has a constricted region adjacent to an exit aperture. As the head enters the constricted region, the compressive force exerted on the head by the constricted region opens the blood vessel clip to an open position.In an alternate embodiment, a plunger applies a blood vessel clip with a direct stroke. The plunger has a plurality of stepwise indentations used to restrain the blood vessel clips before application and for pushing them all forward substantially simultaneously during application.In an alternate embodiment, a variety of blood vessel clips having different shapes, cross-sections and grooves are suitable for use with the blood vessel clip applicator. The alternate blood vessel clip preferably have two legs in a “V” configuration and a head connecting the two legs. The constricted region compresses the head of the blood vessel clip as it passes through the constricted region, thereby closing the clip onto the blood vessel. These alternate embodiments may comprise substantially annealed metal.

An earphone arrangement comprises a microphone (109) which generates a microphone signal and a sound transducer (101) which radiates a first sound component to a user's ear (103) in response to a drive signal. An acoustic channel (111) is further provided for channeling external sound so as to provide a second sound component to the user's ear (103). An acoustic valve (117) allows the attenuation of the acoustic channel (111) to be controlled in response to a valve control signal. A control circuit (105) generates the valve control signal in response to the microphone signal to provide a variable attenuation resulting in a mixed sound of the first sound component and the second sound component reaching the user's ear (103). The combined use of acoustic and e.g. electric signal paths allows improved performance and in particular allows a dynamic trade-off between open and closed earphone design characteristics with respect to external sounds.

A hearing aid includes a first half shell and a second shell attached to the first shell. A microphone, battery, electronics, a receiver and a flexible tip are mounted within a housing formed by the first half shell and the second half shell. A mechanical securing mechanism, located on the first half shell and the second half shell, attaches the first half shell to the second half shell. A flexible tip for a hearing aid includes a tip portion, a sound port attached to the tip portion and a vent formed in the flexible tip. The vent provides static pressure equilibrium between an ear canal and an ambient pressure.

Slit valves are disclosed which are placed in normally closed distal catheter tips so as to extend somewhat into the wall at the distal ends of catheter tubes whereby different rates of flow through the slit valves are achieved for aspiration and infusion, respectively.

An objective is configured with a first partial objective and a second partial objective. The first partial objective, which projects a first field plane onto an intermediate image, has a first, convex mirror and a second, concave mirror. The second partial objective, which projects the intermediate image onto a second field plane, has a third and a fourth mirror, both concave. All of the four mirrors have central mirror apertures. The axial distance between the first and second mirrors is in a ratio between 0.95 and 1.05 relative to the distance between the second mirror and the intermediate image. The axial distance ZM3-IM between the third mirror and the second field plane conforms to the relationship <math-cwu id="MATH-US-00001"> <NUMBER>1< / NUMBER> 0.03 · Du M3 + 5.0 ⁢ ⁢ mm < Z M3 - IM < 0.25 · Du M3 tan ⁡ ( arcsin ⁡ ( NA ) ) . <mathematica-file id="MATHEMATICA-00001" file="US20040114217A1-20040617-M00001.NB" / > <image id="EMI-M00001" wi="216.027" he="18.00225" file="US20040114217A1-20040617-M00001.TIF" imf="TIFF" ti="MF" / > < / MATH-CWU> NA represents the numerical aperture NA in the second field plane, and DuM3 represents the diameter of the third mirror. The objective furthermore has a Petzval radius with an absolute value larger than the distance between the first and second field planes.

A endovascular prosthesis for implantation in a body passageway. The prosthesis comprises a tubular wall which is: (i) movable between a first longitudinal length and a second longitudinally length, and (ii) radially expandible for implantation of the prosthesis in the body passageway. In one embodiment, the tubular wall has a longitudinally length which is variable by an "accordian"-like action. In another embodiment, the tubular wall has a longitudinally length which is variable by an "telescoping"-like action. The longitudinal length of the tubular wall may be varied in vivo to optimize deployment of the endovascular prosthesis.

A multiscale telescopic imaging system is disclosed. The system includes an objective lens, having a wide field of view, which forms an intermediate image of a scene at a substantially spherical image surface. A plurality of microcameras in a microcamera array relay image portions of the intermediate image onto their respective focal-plane arrays, while simultaneously correcting at least one localized aberration in their respective image portions. The microcameras in the microcamera array are arranged such that the fields of view of adjacent microcameras overlap enabling field points of the intermediate image to be relayed by multiple microcameras. The microcamera array and objective lens are arranged such that light from the scene can reach the objective lens while mitigating deleterious effects such as obscuration and vignetting.

The invention provides a disinfecting method of a disinfection cabinet and the disinfection cabinet. The disinfecting method adopted combined light waves and heat to sterilize and disinfect, wherein the light wave has a wall-broken effect on bacteria. The invention also provides the disinfection cabinet adopting the disinfecting method, which is composed of an outer shell and an inner shell, wherein the outer shell encircles the inner shell to form an interlayer, and the inner shell forms an inner cavity provided with a device for producing light waves having a wall-broken effect on bacteria and a device for producing heat capable of maintaining the disinfection cabinet inner cavity at a certain temperature. By the invention, sterilization and disinfection can be realized by combing light waves and heat, thus greatly shortening the disinfecting time.

A method for generating a presentation of a region-of-interest within an original image for display on a display screen, the region-of-interest being at a depth within the original image and being occluded by a portion of the original image at a lesser depth, the method comprising: applying graduated transparency to the original image to generate the presentation, the graduated transparency reducing occlusion of the region-of-interest by making transparent at least some of the portion of the original image occluding the region-of-interest, the graduated transparency when applied renders within the presentation a focal region having a maximum level of transparency at the depth of and for the region-of-interest at least partially surrounded by a shoulder region where transparency decreases with lessening depth from the maximum level to that of the original image surrounding the shoulder region to provide context for the focal region with respect to the original image; and, displaying the presentation on the display screen.

The invention discloses a 60GHz multi-antenna system for shading and eluding and a signal processing method thereof. Under the condition that no shading happens, the system determines a preferred antenna sub-array by optimization and selection of antenna sub-arrays, and performs high-speed data transmission by combining beam-forming technology; and when the preferred antenna array is shaded by a barrier, the system evaluates elements in preferred antenna selection history according to the shading effect of the barrier on the antenna array, and selects one element as the preferred antenna sub-array for replacing a spare antenna subset. The selection of the spare antenna sub-array enables the system to automatically avoid the barrier so as to maintain the connectivity of a link and the performance of the system as far as possible. When the shading is eliminated, the optimal performance can be recovered when the shading does not exist by switching to the primary preferred antenna subset. The shading and eluding method implemented by the system disclosed by the invention does not need channel estimation or extra iterative process, and has simple calculation and quick switch. Simulation experiments show that the spare antenna searching method is efficient under the condition of great optimized search space, can quickly make response according to the barrier, and improves the robustness of the system during shading.

An exemplary hearing aid system includes a receiver configured so as to create an insertion loss over the audible range of hearing below about three decibels as compared to the unaided ear. An exemplary hearing aid system also includes one or more of: a micro-receiver positioned in an open-ear configuration within the ear canal of a user; an intermediate connecting portion extending between a sound processing unit and a receiver, wherein the intermediate connecting portion includes a stiffening wire provided on at least a portion of the intermediate connecting portion and / or within or on at least a portion of the receiver; a retaining wire extending from one of the stiffening wire and the receiver, the retaining wire configured to position within a portion of the concha of the ear; an electrical conducting component comprising two wires within distinct channels or otherwise isolated from one another within the intermediate connecting portion; and a speaker, at least partially enclosed within a casing having first and second end portions, the first end portion communicating with, the connection, the speaker communicating with a port provided at the second end portion of the casing, wherein the casing is sealed to fluids and wherein the port is sealed to fluids by a membrane or mesh material. The described hearing aid reduces the insertion and occlusion effects relative to comparison devices.

The invention discloses a laser radar 3D real-time target detection method fusing multi-frame time sequence point cloud. Complementing the known data set which contains the continuous frame point cloud and is incompletely labeled by the large-occlusion target by using a projection labeling complementing method; an MADet network structure is constructed; performing registration and voxelization onthe multiple frames of time sequence point clouds to generate multiple frames of aerial views; inputting the multiple frames of aerial views into a feature extraction module to generate multiple frames of initial feature maps; generating corresponding feature description for the multiple frames of initial feature maps, calculating a feature weight map, and performing weighted fusion to obtain a fused feature map; and fusing the multi-scale features of the fused feature map by using the feature pyramid, and returning the position, size and orientation of the target on the final feature map. According to the method, the problem of data sparseness of single-frame point cloud can be effectively solved, high accuracy is obtained in target detection under severe shielding and long distance, theprecision higher than that of single-frame detection is achieved, the network structure is simplified, the calculation cost is low, and the real-time performance is high.

The invention provides a method and a terminal for establishing a shortcut of an instant messaging interactive interface, and belongs to the technical field of communication and network. The method comprises the steps: predetermining a time threshold value when the instant messaging interactive interface generates corresponding interface shortcut without receiving a triggering message; metering the time quantum when an objective instant messaging interactive interface does not receive the trigger message and comparing the time quantum with the time threshold value; when the comparison result reaches the time threshold value, closing the objective instant messaging interactive interface and generating the shortcut corresponding to the interface; and when the comparison result does not reach the time threshold value, remaining the interface state of the objective instant messaging interactive interface. According to the invention, when the interactive interface opened by the user is in a non-focus window state for a long period, the objective interface is closed and corresponding shortcut is generated, as a result, shield of view window information by a plurality of interfaces is reduced, and better user experience is brought for users.

A method for reducing occlusion in a presentation of a region-of-interest of an original image, the presentation generated by distorting the original image to produce a lens having a focal region for the region-of-interest at least partially surrounded by a shoulder region defined by a shoulder drop-of function, comprising: scaling the focal region; and, for an input point in the shoulder region, determining a width for the shoulder region from a distance between a projection point for the input point to the focal region and an intersection point on a perimeter of the lens of a line constructed through the input point, the projection point, and the intersection point, to thereby reduce occlusion of the shoulder region by the focal region.

A personal hearing control system includes a microphone located within a user's sealed ear canal, a speaker having a diaphragm which directs sound into the ear canal, and a controller which drives the speaker such that the system emulates the acoustics of the user's open ear canal. Also provided are a microphone located on the outer ear side of the sealed ear canal, which is coupled to a handheld interface unit having multiple inputs and operating modes. A user-selected input is processed by the interface unit, and the processed signal is coupled to the speaker. In one operating mode, the output of the outer ear mic is processed so as to cancel sound that leaks from the outer ear to the inner ear side of the seal.

The invention provides a comment information display method and device, electronic equipment and a computer readable medium. The comment information display method comprises the following steps: displaying preview information of a first multimedia resource; in response to a first trigger operation of a user on the preview information, sending a calling request for the first multimedia resource toa server; receiving the first multimedia resource returned by the server, and receiving comment information associated with the first multimedia resource returned by the server; screening out one or more pieces of comment information from the plurality of pieces of received comment information; and displaying the first multimedia resource, and displaying the one or more pieces of comment information in a bullet screen form on a display interface of the first multimedia resource. Compared with the prior art, the method has the advantage that the user can check the comment information related tothe multimedia resource more conveniently, quickly and visually.

The invention discloses a shortwave transmitting antenna three-dimensional directional diagram aerial mobile measurement system and method. The system comprises a field intensity measurement system which is composed of a loop antenna and a field intensity instrument host and an unmanned aerial vehicle platform and other parts. Computation is performed by a field intensity signal preprocessing module, a standard directional diagram computing submodule, a spatial spectrum processing submodule, a digital beam forming submodule and a transmitting antenna calibration factor computing submodule. The omnidirectional loop antenna is mainly adopted to measure field intensity signals, acquire and store the field intensity signals and preprocess the field intensity signals, then the signals are further processed through the spatial spectrum estimation technology, and finally testing is performed on the unmanned aerial vehicle platform. The index is provided for assessment of a shortwave transmitting antenna directional diagram, and online automatic monitoring of the antenna directional diagram can be realized without influencing the real-time performance and the effectiveness of the shortwave transmitting antenna so that the system and the method have the characteristics of being simple in equipment and convenient to operate.

The invention discloses a method and system for counting the number of people in a car. The method comprises the following steps: 1. obtaining an internal image of an empty car; 2. marking seat sections on the internal image of the empty car to form a background image; and 3. obtaining a current internal image of the car, comparing the current internal image with the background image to obtain difference of each seat section, and if the difference meet a preset standard, judging that a person is on the seat. The system comprises an image device used for obtaining the internal image of the car, a marking device used for marking the seat sections on the internal image of the empty car and forming the background image, a comparing device used for comparing the obtained current internal image of the car with the background image and obtaining the difference of each seat section and a counting device used for counting according to the difference and the preset standard. The method and system of the invention perform people counting to each seat section, thus avoiding the blocking between passengers and the blocking between passengers and seats.

The invention belongs to the technical field of parking equipment and provides a stereoscopic parking lot. The stereoscopic parking lot comprises a tower column and a plurality of layers of parking units arranged on the tower column; each layer of the parking unit comprises a vacant site and a plurality of parking spaces; a pushing device is arranged between the adjacent two parking spaces; the parking spaces are slidingly mounted on a first rail under the driving of a first power device; a hoisting channel is internally provided with a second rail which is connected with the hoisting device; and the second rail is provided with a second power device which is used for driving the parking spaces to slide on the second rail. With the adoption of the stereoscopic parking lot provided by the embodiment of the invention, the ground space of a plurality of the parking spaces which are arranged around the tower column and one tower column is occupied and a plurality of overhead parking spaces are realized; the occupied area is small, more vehicles are parked and the space can be sufficiently utilized; the framework design in a trunk shape is adopted so that the shielding to peripheral buildings is small and the lighting is not influenced; and the time for parking and taking the vehicle is 2-3 minutes so that the stereoscopic parking lot is rapid, safe and efficient and is suitable for middle-small-sized parking lots.