36results about How to "Good-quality image" patented technology

A downscan imaging sonar utilizes a linear transducer element to provide improved images of the sea floor and other objects in the water column beneath a vessel. A transducer array may include a plurality of transducer elements and each one of the plurality of transducer elements may include a substantially rectangular shape configured to produce a sonar beam having a beamwidth in a direction parallel to longitudinal length of the transducer elements that is significantly less than a beamwidth of the sonar beam in a direction perpendicular to the longitudinal length of the transducer elements. The plurality of transducer elements may be positioned such that longitudinal lengths of at least two of the plurality of transducer elements are parallel to each other. The plurality of transducer elements may also include at least a first linear transducer element, a second linear transducer element and a third linear transducer element. The first linear transducer element may be positioned within the housing to project sonar pulses from a first side of the housing in a direction substantially perpendicular to a centerline of the housing. The second linear transducer element may be positioned within the housing to lie in a plane with the first linear transducer element and project sonar pulses from a second side of the housing that is substantially opposite of the first side. The third linear transducer element may be positioned within the housing to project sonar pulses in a direction substantially perpendicular to the plane.

A sonar transducer assembly for mounting to a surface watercraft includes a rectangular first transducer configured to produce a first beam defining a fan-shape and extending generally in a first plane. The assembly further includes a rectangular second transducer configured to produce a second beam defining a fan-shape and extending generally in a second plane. The first transducer and the second transducer are oriented such that the respective first and second beams insonify different first and second areas each extending laterally with respect to a running direction of the surface watercraft, and such that the first beam is outside of the second plane of the second beam, the resulting planar separation of the first and second planes of the first and second beams reducing interference between the first and second transducers.

An endoscope including: a light source for emitting light; a solid state imaging unit comprising a plurality of photoelectric conversion elements for accumulating signal charges corresponding to an incidence light amount, transfer units for transferring signal charges accumulated in the photoelectric conversion elements, and a plurality of color filters formed above the photoelectric conversion elements; and a transmission tube accommodating the light source and the solid state imaging unit, wherein the color filters include red, green and blue color filters, and the number of red photoelectric conversion elements upon which light transmitted through the red color filters are incident is larger than the number of green photoelectric conversion elements upon which light transmitted through the green color filters are incident and the number of blue photoelectric conversion elements upon which light transmitted through the blue color filters are incident. The endoscope can obtain a high quality image.

The planar lighting device includes rod type light sources, a light guide plate having light guide plate blocks, each being formed of an integral assembly of at least two light guide plate units each having a rear surface with a groove formed to accommodate a rod type light source and a light exit surface that is away from the rear surface and which is for emitting the light from the light source and a transmittance adjuster unit that is provided on a side closer to the light exit surface, and which has a sheet type optical member capable of transmitting light and transmittance adjusters provided on at least one surface of the optical member. The transmittance adjusters at a position corresponding to a seam between adjacent light guide plate blocks are distributed at a different density than the transmittance adjusters at a position corresponding to a joint between adjacent light guide plate units.

The present invention discloses a mobile cantilever door-type container inspection system, in the art of radiation scanning imaging inspection technology. The system according to the present invention comprises a moveable scanning apparatus formed by a scanning frame and a remote control device, wherein the scanning frame comprises a radiation source and some detectors, wherein the radiation source or an apparatus cabin wherein the radiation source is disposed is connected with an L-shaped cantilever structure to form a door-type scanning frame, wherein beneath the radiation source or the apparatus cabin wherein the radiation source is disposed are provided with rollers that can reciprocatingly move on rails and are controlled by drive means. The detectors are disposed in a cross beam and a vertical beam of the cantilever structure of the door-type scanning frame. Rays of the radiation source are right in alignment with rows of detectors in the cantilever structure. The container truck to be inspected can pass through the door-like frame formed by the door-type scanning frame. Due to the cantilever structure, the inspection system is advantageous in stable operation, good-quality images, and high reliability.

A method is used to provide a pattern of a functional material for example on a receiving element. To provide this pattern, a laser-engraveable patternable element is imagewise exposed with laser-engraving radiation. This element has a laser-engraveable layer comprising a thermoplastic elastomeric interpolymer alloy. This interpolymer alloy comprises a non-crosslinked halogenated polymer, a partially crosslinked polyolefin, and a polyester. A laser-engraved patterned element is formed that has a relief image in the laser-engraveable layer, and this relief image can be contacted with a suitable functional material that is then transferred to the receiving element to provide the desired pattern.

The present invention relates to an image sensor capable of obtaining a good-quality image with a simple configuration.A pixel accumulates a charge by performing photoelectric conversion on incident light, and outputs a pixel signal corresponding to the charge. A vertical scanning circuit controls the pixel to cause the pixel to perform a shutter process of discharging an unnecessary charge accumulated in the pixel, a charge accumulation process of accumulating a charge generated through photoelectric conversion in a predetermined exposure time in the pixel, and a read process of outputting a pixel signal corresponding to the charge accumulated in the pixel in the charge accumulation process. Also, the control means causes the charge generated through photoelectric conversion in the pixel to be discharged in a non-accumulation period, which is a period other than a period when the shutter process is being performed, a period when the charge accumulation process is being performed, and a period when the read process is being performed. The present invention can be applied to a CMOS sensor, for example.

The present invention discloses a mobile cantilever door-type container inspection system, in the art of radiation scanning imaging inspection technology. The system according to the present invention comprises a moveable scanning apparatus formed by a scanning frame and a remote control device, wherein the scanning frame comprises a radiation source and some detectors, wherein the radiation source or an apparatus cabin wherein the radiation source is disposed is connected with an L-shaped cantilever structure to form a door-type scanning frame, wherein beneath the radiation source or the apparatus cabin wherein the radiation source is disposed are provided with rollers that can reciprocatingly move on rails and are controlled by drive means. The detectors are disposed in a cross beam and a vertical beam of the cantilever structure of the door-type scanning frame. Rays of the radiation source are right in alignment with rows of detectors in the cantilever structure. The container truck to be inspected can pass through the door-like frame formed by the door-type scanning frame. Due to the cantilever structure, the inspection system is advantageous in stable operation, good-quality images, and high reliability.

The planar lighting device includes rod type light sources, a light guide plate having light guide plate blocks, each being formed of an integral assembly of at least two light guide plate units each having a rear surface with a groove formed to accommodate a rod type light source and a light exit surface that is away from the rear surface and which is for emitting the light from the light source and a transmittance adjuster unit that is provided on a side closer to the light exit surface, and which has a sheet type optical member capable of transmitting light and transmittance adjusters provided on at least one surface of the optical member. The transmittance adjusters at a position corresponding to a seam between adjacent light guide plate blocks are distributed at a different density than the transmittance adjusters at a position corresponding to a joint between adjacent light guide plate units.

A carrier for use with a toner as a two-component type developer for developing an electrostatic image, comprising spherical magnetic core particles, and a resin layer covering each of said core particles and containing at least two resistance controlling materials having different specific resistances, wherein each of the resistance controlling materials is in the form of particles having a number average particle diameter of no more than 1 / 10 of a number average particle diameter of the toner.

A manufacturing method of a thin film transistor includes: forming semiconductor layers for a plurality of thin film transistors over a substrate; forming an insulating layer covering the semiconductor layers; and forming a metal layer over the insulating layer. The method further includes: patterning the metal layer to form mask patterns; doping first ions using a first mask pattern among the mask patterns into a first semiconductor layer among the semiconductor layers to simultaneously form source region / a drain regions and an active region of the first thin film transistor; and doping second ions using a second mask pattern among the mask patterns into a second semiconductor layer among the semiconductor layers to form a source region and a drain region of the second thin film transistor.

A medical device having an imaging function includes a shaft main body portion having an image acquiring lumen and a guide wire lumen extending from a distal side to a proximal side of the shaft main body portion. A proximal portion of the shaft main body includes a first shaft proximal portion in which the image acquiring lumen is disposed, and a second shaft proximal portion in which the guide wire lumen is disposed, and which are bifurcated. A shaft distal portion has a common lumen in which the image acquiring lumen and the guide wire lumen converge, a first hub portion is interlocked with the first shaft proximal portion, a second hub portion is interlocked with the second shaft proximal portion, and a hub casing collectively covers the first shaft proximal portion, the second shaft proximal portion, the first hub portion and the second hub portion.

An optical scanning apparatus includes mechanisms for light modulation, light imaging, light deflecting, and light scanning. The light modulation mechanism includes at least one light modulation device including light modulation elements, and is configured to emit modulated light. The light modulation elements are arranged in a single-dimension formation in a first direction orthogonal to a light axis of the modulated light. The light imaging mechanism transfers the modulated light as light of an object to form an image of the object on an image screen. The light deflecting mechanism deflects the light of the object in a direction orthogonal to the first direction and the axis of the light. The light scanning mechanism is disposed on a passage of the deflected light to scan that light.

A method and an apparatus for recording and playing back monitored video data for recording monitored video data generated continuously for a long time on a magnetic tape, with less S / N degradation by shortening the operation time of the VTR to suppress the degradation of the magnetic tape, recording head, and other mechanical items, wherein video signals from a video camera are converted to digital signals in an A / D converter, compressed and encoded in a compression encoder & decoder circuit, then transferred to a time axis compression circuit including the first memory, the second memory, an SCSI controller, and a hard disk unit, thereafter compressed on the time axis and recorded on the magnetic tape loaded in a D-VHS standard VTR via an I / F circuit. Compressing the video data from the compression encoder & decoder circuit on the time axis in the time axis compression circuit makes shorter the recording time of the video data on the magnetic tape than the actual recording time of the video camera, whereby the VTR is only required to record video data intermittently on the magnetic tape and that a general home VTR can be adopted as the above VTR, moreover the magnetic tape itself is prevented from damages.

In an image forming apparatus, process cartridge, and storage medium, if an image forming stop factor occurs in a cartridge of a certain color, image forming using a cartridge of another color is enabled to increase the utilization efficiency and operability of the image forming apparatus. The image forming apparatus has a plurality of detachable process cartridges including image carriers (photosensitive drums) on which latent images are to be formed and developing units which develop the latent images. When a replacement timing for at least one of the process cartridges has arrived, only the developing unit of the process cartridge whose replacement timing has not arrived is driven in accordance with the state of the cartridge whose replacement timing has arrived to perform image forming.

The invention discloses a switch cabinet operation state management monitoring system and method and a computing device. The method comprises the steps of monitoring a grounding knife-switch state, ahandcart position and arc light; in the grounding knife-switch state monitoring process, the current position of the grounding knife-switch is identified through the grounding knife-switch image collected by the first image collection device at present, and whether the grounding knife-switch is in an opening state or a closing state at present is judged; in a handcart position monitoring process,the position of the handcart is identified through the handcart image currently acquired by the second image acquisition equipment, and whether the handcart moves to an opening or closing state or notat present is judged; in the arc light monitoring process, whether the arc light phenomenon occurs currently or not is judged according to the comparison result of the gray feature value between thecontact image, collected by the third image collection device currently, of the switch cabinet without illumination and the contact image, collected by the third image collection device, of the arc light phenomenon; the operation state of the switch cabinet is monitored in real time in a non-contact mode, and accurate monitoring of the operation state of the switch cabinet can be achieved.

An ophthalmic photographic apparatus is provided that is readily able to capture dynamic and still eye fundus images by infrared light-excited fluorescence. A CCD device that is sensitive to infrared light is used to capture images of the eye fundus as dynamic and still images. When the shutter button is pressed, infrared light-excited fluorescence images are obtained as still images and stored in a recording unit. The infrared light-excited fluorescence image of the eye fundus is captured as a still image with or without a flash from a strobe light source. Such an arrangement makes it possible to capture still images even when dynamic images are being recorded.

A print assembly is described, wherein the print assembly includes a dye-donor element having a dye-donor layer, wherein the dye-donor element includes a donor stick preventative agent; and a receiver having a dye image-receiving layer, wherein the receiver includes a receiver stick preventative agent of the formula: wherein R1 is an alkyl chain of C9H19 or greater; R2 is an alkyl chain of C3H6 or greater; A is NH—R3, NHNH2, NHCO—R3, NH—R4—NH2, or NHCO—R4—NH2; R3 is an alkyl chain of C2H5 or greater; R4 is an alkyl chain of C2H4 or greater; m is from about 0 to 95 weight percent; n is from about 0 to about 70 weight percent; p is from 0 to about 40 weight percent; and q is from 0 to 95 weight percent, with the proviso that when m is 0, then n is 0, and R3 is an alkyl chain of C8H17 or greater, otherwise when m is greater than 0, n is from 0.1 to 70 weight percent, based on the total weight of the receiver stick preventative agent, and wherein the dye-donor element and receiver are in superposed position such that the dye-donor layer is adjacent the dye image-receiving layer. The use of stick preventative agents in both the dye-donor element and the receiver element can enable high speed printing without donor-receiver sticking.

There are provided an image forming apparatus, process cartridge, and storage medium which, if an image forming stop factor occurs in a cartridge of a certain color, enable image forming using a cartridge of another color and can increase the utilization efficiency and operability of the image forming apparatus. The image forming apparatus has a plurality of detachable process cartridges (8M, 8C, 8Y, 8K) including image carriers (photosensitive drums: 9M, 9C, 9Y, 9K) on which latent images are to be formed and developing units (12M, 12C, 12Y, 12K) which develop the latent images. When a replacement timing for at least one of the process cartridges has come, only the developing unit of the process cartridge (8K) whose replacement timing has not come is driven in accordance with the state of the cartridge whose replacement timing has come to perform image forming.

An apparatus for non-contact examination of an eye comprises for illuminating and imaging the eye: an apparatus objective of a positive optical power and a positive spherical aberration which illuminates and images an angle wider than a cross section of the zone I of the retinal vasculature, the apparatus objective being common to the imaging and the illumination the optical paths of which are deviated from each other in the examination apparatus; and a secondary lens unit, which is located behind the apparatus objective in the optical path in a direction of the imaging, modifies at least one of the following optical features: lateral color aberration, astigmatism, field curvature and coma caused by the apparatus objective, and focuses the imaging radiation modified by the secondary lens unit on an image sensor for forming an image of a retina of the eye.

The present invention relates to an image sensor capable of obtaining a good-quality image with a simple configuration.A pixel accumulates a charge by performing photoelectric conversion on incident light, and outputs a pixel signal corresponding to the charge. A vertical scanning circuit controls the pixel to cause the pixel to perform a shutter process of discharging an unnecessary charge accumulated in the pixel, a charge accumulation process of accumulating a charge generated through photoelectric conversion in a predetermined exposure time in the pixel, and a read process of outputting a pixel signal corresponding to the charge accumulated in the pixel in the charge accumulation process. Also, the control means causes the charge generated through photoelectric conversion in the pixel to be discharged in a non-accumulation period, which is a period other than a period when the shutter process is being performed, a period when the charge accumulation process is being performed, and a period when the read process is being performed. The present invention can be applied to a CMOS sensor, for example.

The invention relates to a method of illuminating an imager for projecting images, implementing light-emitting diodes of different colours, the diodes being designed to provide a beam illuminating the imager. According to the invention, for a set of at least one image, the method comprises: a step for receiving each image of the set; a step for determining a colour base dependent on the set of at least one image, called a secondary colour base; and a step for dynamically controlling the diodes according to said secondary colour base. The invention also relates to a system implementing the method and a projector comprising such a system.

Disclosed is a method of radiography of an organ of a patient, including: first and second vertical scanning being performed synchronously, wherein a computed correction is processed on both first and second raw images, on at least part of patient scanned height, for at least overweight or obese patients, so as to reduce, between first and second corrected images, cross-scattering existing between the first and second raw images, and wherein the computed correction processing on both the first and second raw images includes: a step of making a patient specific modeling, using as patient specific data therefore at least both first and second raw images, a step of determining a patient specific representation of radiation scattering by the patient specific modeling, a step of processing the patient specific radiation scattering representation on both the first and second raw images so as to get the first and second corrected images.

Provided are toner for developing an electrostatic latent image and a method of preparing the same. The toner has G′(60) of about 4.0×107 Pa to about 4.0×108 Pa, G′(60) / G′(80) of about 100 to about 500, and G′(100, 140) of about 3.0×103 Pa to about 1.5×105 Pa. The G′(60) and G′(80) are storage moduli Pa at about 60° C. and about 80° C. under measurement conditions of an angular velocity of about 6.28 rad / s and a heating rate of about 2.0° C. / minute, respectively. The G′(100, 140) is a storage modulus Pa at a temperature of about 100° C. to about 140° C. under measurement conditions of an angular velocity of about 6.28 rad / s and a heating rate of about 2.0° C. / minute.

Photo-sensitive element for electro-optical sensors realised with the CMOS technology, comprising a photo-sensitive reception member (11, 31) consisting of a diode connected to a conversion circuit to convert the current generated by the photo-sensitive reception member (11, 31) into a tension signal, and an amplification and reading circuit (20, 40). The circuit comprises two transistors (21, 22; 41, 42), arranged in a diode configuration with the drain short-circuited with its own gate, the two transistors (21, 22; 41, 42) being connected in series there between and able to perform a logarithmic conversion of the current, photo-generated by the reception member (11, 31), in continuous time and without requiring time to integrate the light. The photo-sensitive element further comprises a third transistor (23, 43) having its gate connected to a photo-sensitive node (25, 45) at an output of the photo-diode (11, 31) to achieve a first stage of amplification in current of the signal by transferring the tension present on the node (25, 45) to the drain of a fourth transistor (24, 44).

A photo-sensitive element for electro-optical sensors, includes a photo-sensitive reception member, a current conversion circuit to convert the current generated by the photo-sensitive reception member into a voltage signal, and an amplification and reading circuit. The current conversion circuit includes a P-channel transistor used as an ideal key and piloted with a voltage that can vary between a high feed voltage and a low feed voltage. The photo-sensitive element is taken to a reset state if the pilot voltage of the transistor is low, and to an integration state if the pilot voltage is high.

A digital image forming device and a digital image forming method used thereon are provided. The digital image forming device includes a light metering device, a processor, a frequency generator, a timing generator, and a light sensor. The light metering device detects a surrounding light value and transmits it to the processor. The processor generates an illumination parameter according to the surrounding light value and transmits it to the frequency generator. The frequency generator then generates a frequency based on the illumination parameter and transmits it to the timing generator. The timing generator generates an exposure time and controls the light sensor to detect the outside light and therefore form an image.

An X-ray computed tomography (=CT) apparatus (10) has a filter element (2) for attenuating an X-ray beam (1). The filter element (2) has a spatially varying X-ray absorption capability along a cross direction (y) which is perpendicular to both the beam axis (z) of the X-ray beam and to a rotation axis (x) of a gantry. The spatially varying X-ray absorption capability exhibits a maximum absorption along the cross direction (y) at a zero position (y0), wherein X-rays passing through the filter element (2) at the zero position (y0) intersect the rotation axis (x). The CT apparatus allows for further reduction of the radiation dose for an object to be investigated, while simultaneously retaining high image quality.

Photo-sensitive element for electro-optical sensors, including a photo-sensitive reception member, a current conversion circuit to convert the current generated by the photo-sensitive reception member into a tension signal, and an amplification and reading circuit. In at least one embodiment, the current conversion circuit comprises a P-channel transistor used as an ideal key and piloted with a tension that can vary between a high feed tension and a low feed tension. The photo-sensitive element is taken to a reset state if the pilot tension of the transistor is low, and to an integration state if the pilot tension is high.