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Patent Searching and Data


Matches 501 - 550 out of 13,486

Document Document Title
WO/1995/023554A1
The invention relates to intraoral dental radiography based on X-ray photography. The radiography is performed with either a conventional X-ray film or a picture plate, in which case the dimensions of the picture may be corrected by mean...  
WO/1995/022226A1
When a plurality of multi-contrast images for medical care are printed on one film (F), the name of a patient, etc., for specifying the film (F) is extracted from a plurality of images printed, and it is magnified properly and printed in...  
WO/1995/015071A1
An x-ray film marking unit (15) for exposing a portion of the film with a label having indicia relating to patient identifying and x-ray machine (32) identifying information. A computer or microprocessor system (34) is fully integrated a...  
WO/1995/014432A1
An alignment method and system for aligning an anti-scatter grid with an x-ray source of a radiographic apparatus, to facilitate accurate alignment of the central x-ray beam of the x-ray source of the radiographic apparatus with a focuse...  
WO/1995/005725A1
An x-ray or neutron optic configuration includes a plurality of single crystal portions (25) formed with respective spaced x-ray or neutron reflection faces (21, 22, 23) formed at predetermined asymmetry angles to a Bragg diffraction pla...  
WO/1994/027167A1
Optical scanning apparatus is disclosed wherein a plurality of reading heads (L, L') are mounted on a rotating support (D), and a light source (LA) directs light through an optical beam switching means (H) which rotates about an axis (A)...  
WO1994015854A3  
WO1994023458A3  
WO/1994/023458A2
A scanning beam digital x-ray imaging system according to the present invention includes an x-ray tube (10) having an electron beam source (161) and a target anode (50). Circuitry is provided for focussing the beam (164) and scanning the...  
WO/1994/018651A1
A container containing or adapted to contain radiation-sensitive media comprises an audible indicator means and a switching means which triggers the audible indicator means when an operator opens the container. It may be used for light-s...  
WO/1994/015854A2
A reclosable light-tight container (10) for storing a plurality of sheets of light-sensitive material includes a lower wall (14), an upper wall (20), and a plurality of side walls (28). A door (68) is formed as part of the upper wall (20...  
WO/1994/010605A1
The invention relates to an image plate (1) for intraoral dental radiography which can be closed within a cover through which X-rays can pass, where the plate is retained during the X-raying and from where the plate can be removed after ...  
WO/1994/003035A1
A programmable dental X-ray inscription system (1) is used in inscribing developed dental X-ray (8) with patient identifying indicia representative of the identity of a patient, the exposure date of the dental X-ray, the tooth numbers of...  
WO/1993/022660A1
An apparatus and method for energy selective x-ray image detection. A source (26) produces two fluxes of x-ray radiation with two different energy spectra. The fluxes are sequentially incident on the subject then on two layered planar de...  
WO/1993/018435A1
The invention relates to an image plate (1) for intra-oral dental X-ray photography, the plate being placed in a shield (3) enveloping it for the duration of photography. According to the invention the shield has been made pervious to X-...  
WO/1993/017367A1
The invention refers to a portable system that gives the opportunity to take radiographs from a portable X-ray unit in areas outside radiological rooms with no scattered radiation reaching the film. The device succeeds in reducing the sc...  
WO/1993/015436A1
The invention relates to a method for the read-out of an image stored on a phosphor plate (1) in dental X-ray photography, by means of a laser beam (4) directed at the plate surface. The method comprises a preliminary read-out step and, ...  
WO/1993/008735A1
A process for the unambiguous pairing of documents to a given patient provides for: a) the request for a particular diagnostic investigation, to said patient, and b) the assignment and permanent association of an identification code to t...  
WO/1993/001693A1
A high resolution photostimulable storage phosphor screen (12) for breast imaging using X-rays. The phosphor material for storing the image, SrS;Ce,Sm, is appropriately milled to a fine powder and dispersed, using appropriate methods, wi...  
WO/1992/018899A1
The invention relates to a radiation image read-out apparatus which comprises an optical system for exposing a stimulable phosphor plate (1) which contains a latent radiation image to a stimulating beam, and a light collector (3) for dir...  
WO/1992/016088A1
An X-ray label includes a substrate (20) that is transparent to X-ray radiation and X-ray absorbing pigment (112) deposited on the substrate in images that provide identification data under visible light and that create corresponding ima...  
WO/1992/014403A1
A computed radiography patient identification system which matches a patient (24) with an X-ray image of the patient stored in a stimulable storage phosphor (42). The system includes a patient identifying bar code (66) uniquely identifyi...  
WO/1992/015043A1
A resealable cartridge (12) for sheets of photographic film includes a one-piece, photo-inert and optically opaque polymer tray (20). The tray (20) has a generally planar bottom wall (26) and front, back and side walls (28A-28D) with upp...  
WO/1992/011557A1
A light collector (48) collects and detects light emitted from a photostimulable phosphor medium such as a phosphor sheet (44) in a photostimulable phosphor imaging system. The collector (48) in cludes a vertical mirror (50) extending th...  
WO/1992/011569A1
A light collector (48) collects and detects light emitted from a photostimulable phosphor sheet (44) in a photostimulable phosphor imaging system. The collector (48) includes a vertical mirror (50) extending the width of the phosphor she...  
WO/1992/011545A1
A light collector (48) collects and detects light emitted from a photostimulable phosphor sheet (44) in a photostimulable phosphor imaging system. The collector (48) includes a vertical mirror (50) extending the width of the phosphor she...  
WO/1992/009919A1
Optical apparatus incorporating a lighting source (105, 208) capable of providing a substantial equal irradiance at each point of an image plane (124, 226) for use in backlighting transparencies during their reproduction and recordation....  
WO/1992/009924A1
On a suction device (4, 5, 6, 21) for separating sheet films (3a) from a sheet-film stack (3), a thickness sensor (10, 11, 15, 17, 19) is mounted so as to be pivotable together with said suction device. The suction device (6, 21) release...  
WO/1992/009927A1
A storage phosphor reader (10) includes apparatus for loading into the reader (10) a storage phosphor plate (30) carried in a cassette (28). Orienting surfaces are provided on the cassette (28) and on a reader loading shelf (26) to effec...  
WO/1992/009928A1
A casette (10) for a photo-stimulable storage phosphor plate (26) has a visual feedback feature (34), (36), (38), (40) for indicating whether the cassette (10) is upside down or right side up. The cassette preferably has a cavity (22) bo...  
WO/1992/009926A1
A storage phosphor cassette assembly includes a rectangular cassette (10) and a photo-stimulable storage phosphor (28) mounted on a rigid plate (26), removably positioned within the cassette (10). The rectangular cassette (10) is closed ...  
WO/1992/009925A1
The device comprises a support element (6) arranged in parallel with the free end of a cassette lid (1b) which is to be opened. The support element is driven by a lever gear (7, 8, 9, 33, 34, 35) and, guided on arms (2, 3), can be lifted...  
WO/1992/009512A1
The device is arranged in the form of a complete assembly group on two plates (1, 2) screwed together by means of spacer bolts (18). Guide slots (1a, 1b, 2a, 2b) of similar arrangement and design serve for positively guiding a reciprocab...  
WO/1992/009923A1
A dual axis translation mechanism for holding and moving an object of variable dimension to a position defined by first and second axes (X, Y). A motor (22) selectively drives a first shaft (24) and a drive/brake assembly provides a seco...  
WO/1992/008155A1
An x-ray radiograph is examined by placing a light source on one side of the radiograph and observing the light which passes through the radiograph, the frequency spectrum of the light is matched to the transmission spectrum of the radio...  
WO/1992/006476A1
An electronic x-ray imaging array is provided by combining a two-dimensional photosensitive array with a structured scintillator array, having a common array pattern and suitable alignment marks thereon, by bonding them face-to-face in a...  
WO/1992/003763A1
A radiographic film cassette exposes a sheet of film to X-rays projected along an X-ray path by an X-ray tube. The cassette has an inner surface defining a recess for receiving the film sheet. A base having an inner surface is adapted to...  
WO/1992/003761A1
A radiographic film packet is adapted to be placed in a patient's mouth for exposing a sheet of dental film to x-rays generated by an x-ray tube. The packet includes a light-proof and moisture resistant envelope having a first side and a...  
WO/1992/003760A1
The present invention provides an X ray film cassette (2) with a permanent marking means for identifying the side of the radiographic film that faced the X ray tube during exposure. Such identification is achieved irrespective of whether...  
WO/1992/002277A1
A radiation treatment apparatus comprises a stand (1) which supports a gantry (3) in a rotatable manner. The gantry (3) has a treatment head (5) for emitting a radiation beam towards an object. An extendable imaging device (15) is couple...  
WO/1992/002849A1
The invention relates to a method and a device for recording the information from the slidable sheet (5) of a RIM cassette (2). The information included on the sheet used especially in X-ray photography, is read on the sheet surface draw...  
WO/1991/017476A1
A dental x-ray film holder (10) has a film packet (11) for holding x-ray film and is sized to fit adjacent one or more teeth in a patient's mouth. A bite tab (12) is attached to and extends from the film packet (11) for gripping betwen t...  
WO/1991/017625A1
For use in an image scanner, a highly efficient multistage fluorescent radiation collector collects radiation emitted, reflected, or transmitted from an image storage medium. A first elongated light pipe member (36) has a first fluoresce...  
WO/1991/017549A1
The invention provides a method and apparatus for focusing and imaging x-rays. An opaque sphere (12) is used as a diffractive imaging element to diffract x-rays from an object (20) so that the divergent x-ray wavefronts (21) are transfor...  
WO/1991/016665A1
In a cassette loading and unloading apparatus, a device is provided for centering X-ray film cassettes of various sizes, which can be transported on rollers (19), by means of two parallel bars (16, 17) movable towards and away from each ...  
WO/1991/012540A1
In any digital imaging system, the digital input signals must be converted to a visible image on some output material or medium. Because the range of this output medium is usually not the same as the input image range, care must be taken...  
WO/1991/012563A1
A radiation image storage panel includes a layer of transparent stimulable phosphor, a filter layer for strongly absorbing stimulating radiation and transmitting emitted radiation, and a radiation diffusing layer. The filter layer absorb...  
WO1991009327A3  
WO/1991/010921A1
The x-ray detector (14) comprises a plurality of closely adjacent radiation sensing arrays (304) facing a plurality of preprocessing circuits (302). Bump bonds (308, 310) are connected directly from said sensing arrays (304) to said prep...  
WO/1991/009327A2
In storage phosphor radiography, a portion of the x-ray energy transmitted through the subject is absorbed by a storage phosphor plate. When stimulated by visible light of the right wavelength, the phosphor plate emits light (at another ...  

Matches 501 - 550 out of 13,486