220 results about "Magnification device" patented technology

Disclosed is a magnification device for use by blind and/or low vision individuals. The device includes an X-Y table upon which an item to be magnified can be placed. A stationary camera arm and a pivotal monitor arm are oriented over the X-Y table. The monitor arm includes a video monitor pivotally mounted at its distal end. The camera arm also includes two laterally disposed lighting arms. A series of controls are provided along a lower edge of the monitor via a mounting bracket.

An electronic device is described that assists blind and/or low vision users in magnifying and reading printed text, fast book scanning and printing magnified images of said text. The device can also produce audio output that allows listening to the text being pronounced.

A magnification device including a housing having a distal open end and a proximal open end is disclosed. The housing includes an optical system including one or more objective lenses adjacent the distal open end, and one or more eye lenses adjacent the proximal open end, the optical system produced a desired level of magnification; and a filtering system having first filter selectively filtering a first group of wavelengths and a second filter selective filtering a second group of wavelengths. The first and second filters having an optical density selected based on a magnification level of the optical system. A vision enhancing assembly including a carrier device and one or more magnification devices coupled to the carrier device is also disclosed, wherein the magnification devices include filters that have optical densities based on a magnification level.

The embodiment of the invention provides an image magnification method, an image magnification device and a display device, and relates to the technical field of image processing. The method specifically includes the steps that the image magnification device obtains the high-frequency components and the low-frequency components of a source image; the image magnification device conducts pixel interpolation on the low-frequency components of the source image through the first interpolation algorithm so as to obtain low-frequency sub-images; the image magnification device conducts pixel interpolation on the high-frequency components of the source image through the second interpolation algorithm so as to obtain high-frequency sub-images; the image magnification device fuses the low-frequency sub-images and the high-frequency sub-images so as to obtain fusion result images, wherein the first interpolation algorithm and the second interpolation algorithm are different so that the quality of the magnified image can be ensured while the calculation amount is reduced. The image magnification method, the image magnification device and the display device are used for image magnification.

An optical magnification device, configured to magnify the display of a videographic display device, may be constructed using a high-resolution Fresnel lens. The optical magnification device may be constructed to be foldable and able to be compactly stored/transported. Its construction may be configured to orient the lens above and generally parallel to a tray upon which a videographic display device may be positioned and or fastened for viewing through the lens.

The invention provides a portable fish egg incubator, comprising an incubation barrel, a micro magnification device, a tripod, a water inlet tube, an inlet pipe and an overflow pipe, wherein the incubation barrel is internally provided with a temperature regulator and a short-wave ultraviolet generator; the lower part of the incubation barrel is provided with a circular hole structure; the incubation barrel is stored with water for incubation; the short-wave ultraviolet generator sterilizes water for incubation; the micro magnification device amplifies the fish eggs in the incubation barrel; the tripod is provided with a wheel to fix or move the incubator; the water inlet pipe, the inlet pipe and the overflow pipe are communicated with each other and are communicated with the incubation barrel through the water inlet; the water inlet at the bottom of the incubation barrel is provided with an air inlet and holds the fish eggs in an all-dimensional manner by utilizing flow current and airflow for incubation. The invention has simple structure, is convenient for moving and for tracking to observe embryonic development; the short-wave ultraviolet generating device can prevent the breeding of water molds, improve incubation rate of fish eggs; the overflow pipe can control water level. Therefore, no overflow tank is required to be added and the cost is saved. The invention has strong controllability, demersal eggs, viscid eggs and pelagic eggs can be incubated directly.

A book stand folds flat, forming a single panel for storage or use as a clipboard, sketchpad, or straight edge. The book stand may also unfold into operational configuration to include an inclined supporting surface and a shelf, on which a book can rest at an inclined angle. The preferred legs or other support members extend from the rear side of the book stand near the left and right side edges of the book stand and diverge from each other to form a broad and stable base. The book stand may be set up in operational position with a minimum number of steps, by flipping up the shelf and pivoting the two legs on the backside of the book stand to swing underneath the shelf. In its folded, collapsed configuration, the preferred book stand may be a flat, substantially solid panel approximately 8.5''x11.'' The device can also be equipped with a magnification device, light, clip, page protector, or other visual aid devices.

A magnification device including a housing having a distal open end and a proximal open end is disclosed. The housing includes an optical system including one or more objective lenses adjacent the distal open end, and one or more eye lenses adjacent the proximal open end, the optical system produced a desired level of magnification; and a filtering system having first filter selectively filtering a first group of wavelengths and a second filter selective filtering a second group of wavelengths. The first and second filters having an optical density selected based on a magnification level of the optical system. A vision enhancing assembly including a carrier device and one or more magnification devices coupled to the carrier device is also disclosed, wherein the magnification devices include filters that have optical densities based on a magnification level.

The present invention discloses a digital semiconductor photoelectric magnification image sensor which comprises a digital semiconductor photosensitive pixel array for detecting a photon, an address unit which is connected to each digital semiconductor photosensitive pixel unit so as to determine the address information of each digital semiconductor photosensitive pixel unit in the array, a control unit which communicates with and is connected to the address unit to enable the digital semiconductor photosensitive pixel unit of a specified address and send corresponding data and address output command, and an output unit which communicates with and is connected to each digital semiconductor photosensitive pixel unit to transmit the data emitted by the digital semiconductor photosensitive pixel units and the corresponding address information after the digital semiconductor photosensitive pixel unit of the specified address is enabled. The sensor can output information that whether the photon is detected and the position information of the detected photon and thus can be widely used in a digital photoelectric imaging system.

The invention relates to a sound emission detection method of a water boiling state and mainly solves the problem in the prior art that the change of the boiling state in one part of industrial heat-exchanging equipment cannot be accurately detected in real time. The method comprises the following steps of: (1) receiving a sound signal inside the heat-exchanging equipment; (2) selecting total energy, standard deviation, average absolute deviation and a main frequency of the sound signal as characteristic parameters; and (3) analyzing changing characteristics of the characteristic parameters and taking a k value as a criterion to detect the boiling state in the heat-exchanging equipment and conversion thereof online in real time. The method can be used for accurately and effectively obtaining the characteristic parameters of signals, can be used for easily and conveniently detecting the boiling state and the conversion of the heat-exchanging equipment on line in real time. The invention further discloses a detection device comprising a signal receiving device, a signal amplification device, a signal collection device, a signal processing device, an output displaying device and a control device. The device is in a non-invading type, is simple, easy and convenient to use, and has strong applicability to the different heat-exchanging equipment.

A virtual non-invasive blood analysis device workstation includes a light source adjacent the body part of a person for illuminating a portion of a blood vessel therein. A magnification device magnifies particles of substances in the illuminated portion of the blood vessel, and an imaging device captures images of the magnified particles. A transducer device generates electromagnetic waves based on the captured images being exposed to an electromagnetic field, with the electromagnetic waves forming color bands. Each color band corresponds to a respective particle of substance within the blood vessel. A separation chamber separates at least a portion of the color bands within the electromagnetic waves. The separated color bands represent current characteristics of a selected particle of substance within the blood vessel. A processor matches the separated color band according to the selected particle of substance with at least one of the color bands in the database, and compares the current characteristics of the separated color band to the known characteristics of the at least one matched color band.

The invention discloses a clamping device used for a clamp system, comprising a micro-displacement driving device, a stroke magnification device and a displacement output device. The clamping device is characterized in that the micro-displacement driving device comprises a base; a sleeve is arranged outside the base and a super magnetostrictive rod is arranged inside the base; one end of the super magnetostrictive rod is fixedly connected with the base and the other end thereof is connected with an output ring; two sides of the super magnetostrictive rod are provided with frameworks; a coil is arranged between the framework and the sleeve; the stroke magnification device comprises a piston cylinder which is internally provided with a piston; one end of the piston is fixedly connected with the output rod and the other end thereof is provided with a hydraulic chamber which is filled with liquid medium; the displacement output device comprises an output cylinder which is internally provided with an output piston rod, one end of which is fixedly connected with the hydraulic chamber of the stroke magnification device. In the invention, the micro-displacement driving device and stroke magnification device are adopted to drive the displacement output device to carry out the clamping, thus improving the utilization efficiency of the energy resource, and having good stability and generating no pollution.

A high-definition magnified image is obtained by simple computation. A magnified image is obtained by obtaining a deteriorated image on the basis of an input original image, determining enhancement filters used for individual small areas of the original image using the deteriorated image at least, performing a filtering process by applying the filters thus determined to the individual small areas to achieve enhancement, and interpolating the image for magnification.

The invention discloses a relay amplifying device capable of achieving long-distance distributed optical fiber sensing. The relay amplifying device is used for improving sensing distance and performance of a distributed optical fiber sensing system. The relay amplifying device comprises an optical power amplifier, a front optical amplifier, a distributed optical amplifier, a filter and an optical circulator; the relay amplifying device can amplify strong excitation light and weak sensing light signals in a distributed optical fiber sensor respectively, the strong excitation light is amplified by the optical power amplifier and the distributed optical amplifier to obtain larger signal power again in a sensing midway, and a nonlinear effect caused by overlarge incident powder is effectively avoided; the weak sensing light signals are amplified by the front optical amplifier and the optional distributed optical amplifier, noise power is restrained through filtering, and the good signal-to-noise ratio is guaranteed. The relay amplifying device has a simple module structure and a wider work wave length and is suitable for varieties of distributed optical fiber sensing systems and favorable for improving the sensing distance and overall performance of the distributed optical fiber sensor.

A stemware drinking vessel comprising of a bowl, stem, and base, or “foot”, where the base below the stem is shaped and functions as a magnifying glass or magnification device. The base is clear and most commonly circular and dome shaped, with the stem attaching to base at the apex of the dome base. The clear magnifying glass base also has a light source built into the base, such as an LED, whose power supply is contained within the base. The light or lights within the base directs light downward, beneath the base, enabling the user, upon holding the stemware above the intended viewing object or reading material and looking through the base, to see both a magnified and lighted enhancement of what is below, such as a dining menu in a dimly lit restaurant to present the scrumptious desserts.

A method for determining filtering capabilities of a magnification device suitable for providing protection from light when viewed through the magnification device is disclosed. The filtering capability of the magnification device is determined based at least one of an input power of the inputted light signal, a magnification level of the magnification device and an orientation of the filtering within the magnification device. Further disclosed is an lighting system that generates a light, which when reflected into the magnification device is prevent from causing damage to a user's eyes based on the selection of the filtering system disclosed herein.