535results about How to "Change intensity" patented technology

Methods and systems are disclosed for detecting overheating in an optical device before harmful consequences, such as severe local heating, can result. In one embodiment of the invention, a blackbody emitter is disposed in close proximity to a therapeutic optical fiber to absorb therapeutic radiation at a fault and re-emit blackbody (infrared) radiation. The emitter can be coupled to the fiber but, during normal operation, lies outside the optical path between the output of the laser radiation and the site of treatment. Systems and catheters incorporating such emitters are also described for effective monitoring of the laser power transmitted along the optical fiber within the phototherapy device.

Provided are a reading light assembly for a vehicle and a field replaceable unit for an in-vehicle reading light assembly. An embodiment of the reading light assembly for a vehicle includes a housing for attaching the reading light assembly to an interior portion of the vehicle and a field replaceable unit for engaging with the housing. An embodiment of the field replaceable unit includes a power module including a power interface for receiving operational power from a power source, a light module including a plurality of LEDs, and a control module that includes a control interface for receiving a user input signal from a user input device so that the control module can vary a light intensity that is output from the plurality of LEDs according to the user input signal. In some embodiments the reading light assembly and field replaceable unit include a second power interface for receiving power from a secondary power source when the primary power source is interrupted so that the light assembly is operable to function as an in-vehicle emergency light.

A spinal support device for applying a directed and concentrated force on the sacrum to position the sacrum and pelvis to thereby establish a desired spinal posture when in a seated position. The device provides isolatable force on the sacrum from the sacral base line downwardly to a bottom seat surface and for a width across an individual's back approximately equal to twice the dimension of the posterior portion of the individual's sacrum.

The invention relates to iron coke for a blast furnace and a preparing method thereof. The iron coke comprises 5wt%-20wt% of iron ore powder and 80wt%-95wt% of mixed coal; the mixed coal is formed by mixing 25wt%-29wt% of one third of coking coal, 40wt%-44wt% of coking coal, 7wt%-11wt% of lean coal, 6wt%-10wt% of gas-fat coal and 12wt%-16wt% of fat coal; the iron ore powder and the mixed coal are mixed uniformly with water and tamped before entering the blast furnace, and are placed into the blast furnace when the temperature is 800 DEG C, the temperature is increased at the speed of 2 DEG C per minute to 3 DEG C per minute, the iron ore powder and the mixed coal are discharged from the blast furnace when the temperature is 950-1050 DEG C, and the iron coke is obtained by adopting a wet way of quenching the coke. According to the iron coke and the preparing method, the performance, the ratio, the particle size and the composition and the like of the iron ore powder and the mixed coal are optimized, and the strength and the reactivity of the iron coke can meet the requirement of the blast furnace process under the circumstance of not adding binding agents.

The present invention relates to a standup exercise apparatus that simulates walking and jogging with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet where the pedal stride length is determined by the movements of an operator. Crank arms are positioned on the framework forward the operator at a height comparable to the pedals. A hydraulic crossover assembly causes the handles to move in opposing directions.

The present invention relates to compositions and methods that allow the manipulation of the catalytic activity of multi-component nucleic acid complexes. Further, the invention provides methods which use these compositions and methods to create molecular sensors, molecular switches, and/or modulators or propagators of autocatalytic self-replicating cascades and other iterative processes. More particularly, the invention relates to compositions allowing self-assembly of active and inactive multicomponent nucleic acid complexes, methods of making such compositions, and methods for use.

The invention discloses a non-contact real-time physiological signal monitoring system, which comprises a target capturing device, a tracking control unit, a biologic radar and a data acquiring and processing unit, wherein the target capturing device is used for capturing a target to obtain position information of the target; the tracking control unit is used for controlling rotation and/or pitching of a holder according to the position information of the target and making the antenna of the biologic radar above the holder align the target; the biologic radar is used for generating and transmitting a detection signal and receiving an echo signal which is reflected by the target and carries human physiological information; and the data acquiring and processing unit is used for sampling the echo signal of the biologic radar and analyzing and extracting the physiological information of the detected target from a sampled signal. In the system, a target capturing and tracking unit can ensure that the antenna of a physiological signal sensor always points at the target, so that the space range of the detected target can be expanded conveniently and the required radiant power is low.

A confocal microscope uses fluorescent or reflected light obtained by irradiating a plurality of beam spots to a sample so as to observe the sample. The confocal microscope has a phase modulator element which modulates phase of laser light to form the beam spots, a liquid crystal element which forms a plurality of pinholes through which only the fluorescent or the reflected light is transmitted, and a control section which controls the phase modulator element and the liquid crystal element.

A scanning microscope includes a light source, illumination optics, and a scanning device for moving the illumination focus across a target region and doing so by varying the direction of incidence in which the illuminating beam enters an entrance pupil of the illumination optics. To incline the illumination focus relative to the optical axis of the optics, the scanning device directs the illuminating beam onto a portion of the entrance pupil that is offset from the center of the pupil and, in order to move the illumination focus across the target region, the scanning device varies the direction of incidence of the illuminating beam within said portion. An observation objective is provided which is spatially separated from the illumination optics and disposed such that its optical axis (O3) is substantially perpendicular to the target region and at an acute angle (α) to the optical axis (O1) of the illumination optics.

The present invention relates to a standup exercise apparatus that simulates walking and jogging with arm exercise. More particularly, the present invention relates to an exercise machine having separately supported pedals for the feet and arm exercise coordinated with the motion of the feet where the pedal stride length is determined by the movements of an operator. Crank arms are positioned on the framework forward the operator at a height comparable to the pedals. Compound guides are used to achieve elliptical curve pedal paths.

The invention discloses a high-stress roadway combined ring beam supporting structure and a construction method thereof, and belongs to the technical field of roadway construction supporting. The supporting structure comprises a roadway and a supporting ring. The homogeneous and isotropous supporting ring is constructed around the roadway, anti-pull anchor rods and slip casting anchor rods of different layers are relatively evenly arranged in surrounding rock, a relatively even steel wire rope net with main rope bodies of steel wire ropes as ribs and a multi-layer tough concrete gunite layer structure passing through a highly dense rock face are pressed below an anchor rod pressing disc of each layer, pressure stabilizing and pressure retaining gunite is applied to evenly gluing disperse and scattered surrounding rock, and the overall mechanical property is relatively even and is greatly improved. The cask effect of supporting is avoided, the overall bearing capacity of the surroundingrock is improved, the anchor rod combination number in unit rock bodies of the surrounding rock is increased, the manner singly depending on the strength of the rock is changed, the strength of the supporting ring is improved, and in combination with gluing of the gunite on the surrounding rock, the mechanical property of the surrounding rock is improved.

The invention provides a method for applying a light senor in a handset and a system thereof. The system comprises a photographic module, a baseband system, a screen backlight module, a keyboard lamp module and a screen display module. The method can adjust the display brightness of the handset according to the brightness of the screen and the keyboard demanded by human eyes in practical use of the handset, or can adjust the display brightness of the screen back light lamp and the keyboard lamp of the handset according to external light beams of different intensities, the power consumption of the handset is smaller, the battery is more durable, thereby realizing the functions of saving energy and power, the method utilizes the sensitivity of devices to the brightness, and a plurality of humanized and amusement functions can be developed on the basis of the sensitivity when users change the brightness artificially.

An on-vehicle camera apparatus capturing an image in front of a vehicle includes: a camera module outputting image data and a control circuit board. The camera module includes an optical element that refracts incident light so as to diverge or focus the incident light, and an image sensor element in which incident light transmitted through the optical element forms an image. The control circuit board executes, based on the image data outputted by the camera module, a recognition process recognizing a state in front of the own vehicle, and also executes at least two vehicle control processes among a headlight control process, a forward collision preventing process and a lane departure warning process, as a result of the recognition process. According to the on-vehicle camera apparatus, a resin-made lens is used for the optical element.

An exercise or fitness board having a deck adjustably attached to a base to adjust the angle of incline of the deck relative to the base, and a plurality of straps attached to the deck for the user to grasp for balance and exercise. The deck and/or base contains various contours, scallops, cutouts, and the like to facilitate comfortable and varied positioning of the body. A rail and/or channel may be placed on the underside and along the perimeter of the board to facilitate grip. A pad or mat may be placed on top of the board and/or base for comfort, stability, and protection.

The invention discloses a compression molding fireworks outer cylinder, a marble shell and a preparation method thereof, comprising the components of plant fiber, binder, filler, excipient and dryer. The fireworks outer cylinder and marble shell is made after the components are prepared and processed compression molding. The lead-through is just needed to be installed by the fireworks manufacturers, and the fireworks cylinder can be made by using the technical proposal. The process is simple, the procedures are few and the production efficiency is high. The utilization rate of the raw materials can be reached to 100 percent. The plastics can be totally banished and the effect of environmental protection is good. The products have standard specification and good pressure resistance. The distortion and bending phenomena can not be generated, and the display quality of the fireworks is greatly improved which ensures the safety. The shape, size and intensity of the fireworks cylinder and marble shell can be flexibly and conveniently changed as required. The preparation method also can be used for the production and development of the special shaped shell or package in the fireworks industry.

The invention discloses a basalt fiber preparation method, a mineral mixture and a production technology. The preparation method comprises the step of grinding the mineral mixture into 200 to 300-meshpowder to obtain basalt fibers. The mineral mixture is prepared from the ingredients in weight percentage: 47% to 59% of SiO2, 11% to 16% of Al2O3, 5% to 9% of CaO, 2% to 7% of MgO, 2% to 5% of Na2O,0.5 to 3% of K2O, 0 to 2.6% of Li2O, 7% to 16% of Fe2O3, 1% to 3.4% of TiO2, 0 to 3% of ZrO2, 0 to 2% of CeO2 and 0 to 2% of MnO. The used mineral mixture is prepared from varieties of ores, so thatthe whole ingredient fluctuation range is reduced to the lowest, wiredrawing performance is improved, mineral mixture ingredient contents and mutual proportional relation are controlled, strength is improved, stability is improved, elasticity modulus is improved, a melting temperature is reduced, energy is saved, glass material characteristics are changed, and improving wiredrawing performance isachieved.

The invention provides a continuously adjustable degradable terahertz meta-material based on optical driving and preparation method thereof. The degradable terahertz meta-material comprises a sodium alginate substrate, a metal layer and a semiconductor film which are arranged on the sodium alginate substrate; the patterns of the metal layer and the semiconductor film are completely same: three equally spaced openings are formed on the outer ring, two equally spaced openings are formed on the middle ring, and one opening is formed on the inner ring; one of the three openings on the outer ring is aligned with one opening on the middle ring, and the other opening on the middle ring is aligned with the opening on the inner ring. Since the concentrations of carriers produced by the semiconductor film under different optical power excitations are different, the continuous tuning on the electromagnetically responded resonance strength from different conductivities is realized. The meta-material provided by the invention is simple in structure and processing technique, has degradable property and can be used for biomolecule detection, so that the incident electromagnetic wave of the terahertz meta-material has a plurality of frequency bands with continuously tuned strength in the terahertz waveband transmission.

System and a method for server recording and client playback of computer network characteristics. In general, the network simulation system includes a recording module that resides on a server and records and stores the network characteristics associated with networks sessions in a data collector file. The system also includes a playback module that resides on a client and receives the data collector file and plays back the data collector file upon request. The recording method of the present invention includes using a global filter residing on the server to record the network characteristics and storing the recording in a data collector file. The playback method includes receiving a data collector file containing recorded network characteristics recorded on a server and playing back the data collector file to simulate the characteristics of real-world network sessions.

A fluorescent pattern forming article including a first layer containing a metal ion, and a second layer disposed facing the first layer and containing a ligand coordinating with the metal ion contained in the first layer to thereby enable an intensity of fluorescence based on the metal ion to be changed.