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| Number | Title | Issue Date |
| 7301135 | Photodetector having an electrostatic recording body and photodetecting method thereof An electrostatic recording body is constructed by laminating a glass substrate transmissive of recording light, a first conductive layer transmissive of recording light, a photoconductive layer exhibiting conductivity by receiving recording light, an insulating diel... | 11/27/2007 |
| 7203350 | Display for computer-aided diagnosis of mammograms A method for displaying a computer-generated determination of the likelihood of malignancy in a mammogram lesion. The method requires providing a digitized image of a mammogram, displaying the digitized image, and selecting a region of interest directly on the displ... | 04/10/2007 |
| 7171134 | White vector adjustment via exposure The white vector—the voltage difference between white areas of a latent image on a photoconductive unit and a developer roller—may be independently adjusted at each photoconductive unit, allowing multiple image forming units to be driven from a shared power supp... | 01/30/2007 |
| 7134761 | Arrangement and a method for emitting light An arrangement for emitting light includes a hermetically sealed casing with a window, a layer of a fluorescent substance arranged within the casing covering at least a major part of the window, an electron emitting cathode arranged within the casing, and an anode. ... | 11/14/2006 |
| 5268950 | System and method for maintaining uniform spacing of an electrode over the surface of an x-ray plate A conductive coating on a thin glass strip senses the image signal on a selenium coated photoimaging plate as the plate is scanned with a laser beam. The glass strip is suspended over the surface of the plate with finger-like members. The finger-like memb... | 12/07/1993 |
| 5127038 | Method for capturing and displaying a latent radiographic image A method for capturing and displaying radiographic images. More particularly, the present invention uses a unique microcapacitor matrix structure to hold varying electrical charges representing a latent radiographic image which are subsequently rendered v... | 06/30/1992 |
| 4998266 | Device for producing x-ray images by means of a photoconductor The invention relates to a device for producing X-ray images by means of a photoconductor which converts X-rays into a charge pattern, which photoconductor is charged prior to the X-ray exposure, its surface being scanned after the exposure in order to de... | 03/05/1991 |
| 4961209 | System for measuring the charge distribution on a photoreceptor surface A system for measuring the charge distribution on a photoreceptor plate which has been exposed to X-ray radiations to form an image of an object thereon is disclosed. The system comprises a transparent sensor electrode adapted to be positioned over the ph... | 10/02/1990 |
| 4535468 | Image converted for X-ray equipment and the like The invention relates to a photographic apparatus useable, for example, in medical radiodiagnostics, with a three-layer system lying between two electrodes, to which a d-c voltage is applied. The two outer layers are photoconductors and the middle layer c... | 08/13/1985 |
| 4267450 | Method of eliminating background residual charge in electrophotographic image reproduction and apparatus for carrying out said method In an exemplary embodiment, a charge image resulting from x-ray exposure of a plate originally charged to 1.5 to 5 kV, is developed by applying powder of opposite polarity while applying a voltage of from 1 to 4.5 kV, also of opposite polarity, to a condu... | 05/12/1981 |
| 4218619 | Multi-copy ion-valve radiography A method and apparatus for ion-valve radiography allowing a multiplicity of copies to be made responsive to a single radiographic exposure. Radiation, differentially-absorbed by passage through an object to be studied, enters an exposure chamber having a ... | 08/19/1980 |
| 4200790 | Closed-chamber high-pressure gas ion-flow electro-radiography apparatus with direct-charge readout A method and apparatus for ion-valve radiography, utilizing a high-pressure gaseous material for conversion of differentially-absorbed X-radiation into electrostatic charge images, utilizes a closed chamber and a charge-image-receiving mesh structure mova... | 04/29/1980 |
| 4196350 | Apparatus for photocontrolled ion-flow electron radiography Improved apparatus for photocontrolled ion-flow electron radiography utilizes a selectively movable bonded phosphor plaque to allow removal of corona discharge means, utilized to precharge the selenium mesh before X-ray exposure, while increasing the quan... | 04/01/1980 |
| 4156140 | X-ray imaging apparatus with control mesh Electrostatic x-ray imaging apparatus of the type having a gas-filled chamber bounded by a photocathode and a charge-receiving sheet anode has a control mesh positioned in the gas-filled gap and maintained at a positive voltage with respect to the cathode... | 05/22/1979 |
| 4152593 | Method and apparatus for making latent images of object-modulated X-rays An ionography imaging chamber wherein the front side face of the pressure vessel is immediately adjacent to the foremost portion of the interelectrode gap and the image-receiving part of a dielectric receptor sheet in the gap extends into immediate proxim... | 05/01/1979 |
| 4150315 | Apparatus for X-ray radiography Apparatus for X-ray radiography includes a conductive cathode, receiving X-radiation differentially attenuated by passage through an object to be studied, and a conductive anode spaced from the cathode and bearing a sheet of insulative material upon which... | 04/17/1979 |
| 4147949 | Apparatus for X-ray radiography Apparatus for X-ray radiography includes a conductive cathode, receiving X-radiation differentially attenuated by passage through an object to be studied, and a conductive anode spaced from the cathode and bearing a sheet of insulative material upon which... | 04/03/1979 |
| 4147948 | Apparatus for X-ray radiography Apparatus for X-ray radiography includes a conductive cathode, receiving X-radiation differentially attenuated by passage through an object to be studied, and a conductive anode spaced from the cathode and bearing a sheet of insulative material upon which... | 04/03/1979 |
| 4129779 | Photocontrolled ion-flow electron radiography apparatus with multi-layered mesh structure Photocontrolled ion-flow electron radiography apparatus has a multi-layered mesh structure, comprised of a conductive apertured sheet supporting an insulating layer, overlayed with a conductive screen and a top-most layer of photoconductive material, to c... | 12/12/1978 |
| 4117365 | Continous photocathode for X-ray radiography having two-dimensional array of apertures Apparatus for X-ray radiography includes a conductive cathode, receiving X-radiation differentially attenuated by passage through an object to be studied, and a conductive anode spaced from the cathode and bearing a sheet of insulative material upon which... | 09/26/1978 |
| 4064439 | Photocontrolled ion-flow electron radiography A method and apparatus for photocontrolled ion-flow electron radiography utilizes a selectably movable phosphor plaque for controlling the selective discharge of a precharged photoconductive layer responsive to differential x-ray absorption in an object t... | 12/20/1977 |
| 4039830 | Electrostatic X-ray image recording device with mesh-base photocathode photoelectron discriminator means An electrostatic X-ray image recording device having a pair of spaced electrodes with a gas-filled gap therebetween, and including discrimination means, having a conductive mesh supporting a photocathodic material, positioned in the gas-filled gap between... | 08/02/1977 |
| 3976484 | Screen electrophotographic process This invention provides an electrophotographic process for forming an image using a photosensitive screen having a plurality of fine openings. The screen has a conductive material on which a photoconductive material is provided, wherein at least a part of... | 08/24/1976 |
| 3975626 | Process and apparatus for forming electrostatic charge patterns A method for producing an electrostatic charge pattern on an insulating charge-receiving member comprising the steps of: 1. depositing an electron-image or ion-image, resulting from the image-wise exposure to ionizing radiation of a means or medium capable of ... | 08/17/1976 |
| 3969624 | Electrostatic imaging device and process using same A method of recording with an electrostatic imaging device in terms of an electrostatic charge pattern, a charged particles emission pattern representing information to be recorded and generated in the interior of an envelope which contains an ionizable g... | 07/13/1976 |
| 3932750 | Ray converter In a radiographic system a converter is used for changing image forming intensity distribution in a bundle of penetrating rays into a flow of electrically charged particles by electrodes located in a gas space and partly latticed (grids) which lie at pote... | 01/13/1976 |
