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| Number | Title | Issue Date |
| 4908666 | Apparatus for controlling toner replenishment in electrostatographic printer A toner replenishment control structure operates optimally for developer materials which exhibit toning contrast characteristics which vary predictably with the concentration of toner particles in the developer mix, and for developer materials which do no... | 03/13/1990 |
| 4697912 | Process head for electrophotographic apparatus In a process head for electrophotographic apparatus integrally formed with a charing/exposing chamber, a developing chamber, a drying chamber and a fixing chamber along the feeding direction of the film for recording and thereby made capable of processing... | 10/06/1987 |
| 4693589 | Method of and apparatus for fixing unfixed frame A method of fixing a frame image which has not been fixed due to burnout of a fixing lamp or a power failure. Such unfixed frame is detected, and the address thereof is stored in memory. When processing is resumed, the address of the unfixed frame is read... | 09/15/1987 |
| 4623240 | Method of drying electrophotosensitive member in electrophotographic recording or copying system of wet type A method of drying electrophotosensitive film by bringing the film into intimate contact with a specific area of a develop-mask of a liquid developing station, blowing gas against the film while maintaining such contact and to such an extent that a film o... | 11/18/1986 |
| 4600291 | Electro-photographic device with a processing head having multiple chambers An electrophotographic device having a process head wherein four stages of charging/exposing, developing, drying and fixing are continuously arranged at intervals corresponding to one frame of a film, and a process which requires a longer processing time ... | 07/15/1986 |
| 4461561 | Apparatus for imaging and developing electrophotographic microformats Apparatus for imaging and developing electrophotographic elements includes a single module (16) within which there is housed three processing stations (18, 20, 22) equidistantly spaced apart at distances corresponding to the distance separating the image ... | 07/24/1984 |
| 4435071 | Method and means for reducing frame effect in electrographic images on microfiche An electrographic recording technique obtains superior image definition by providing a charged border around the image area of the recording medium and directing toner across the face of the medium at an appreciable velocity so that the toner particles ar... | 03/06/1984 |
| 4392734 | Electrophotographic camera Camera for making slide transparencies on electrophotographic film which is carried during processing on one-half of a foldable, planar slide frame. The apparatus includes a reversible drive roll which automatically injects and ejects the frame carrying f... | 07/12/1983 |
| 4176940 | Electrophotographic color image producing apparatus An apparatus in which a charger, three developer units and a dryer are mounted on a table reciprocally movable relative to an electrophotographic film for subjecting the film to three cycles of processing each constituting charging, exposing, developing a... | 12/04/1979 |
| 4082442 | Electrophotographic method for production of plural images on a sheet Method and apparatus for electrophotographically imaging a photosensitive film in which a fractional area of the film, selected by automatic or preprogrammed access, is electrostatically charged and thereafter exposed to a pattern of radiation, is moved a... | 04/04/1978 |
| 4006986 | Image recording apparatus for electrophotographic film A system for impressing images on electrophotographic film provides apparatus for charging each film frame rapidly to a peak voltage determined by the prevailing light conditions of the image to be produced or recorded. After charging, means are provided ... | 02/08/1977 |
| 3972610 | Electrophotographic apparatus for production of plural images on a sheet Apparatus for electrophotographically imaging a photosensitive film in which a fractional area of the film, selected by automatic or preprogrammed access, is electrostatically charged and thereafter exposed to a pattern of radiation, is moved along a path... | 08/03/1976 |
| 3964828 | Apparatus for preparing electrophotographic microfilm An electrophotographic process and a system for preparing microfilm is provided in which use is made of a roll film including a photosensitive layer a thin film of organic photoconductive material on a film of polyester. A portion of the film is taken out... | 06/22/1976 |
