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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 4942462 | Photographic printer having a CRT for illuminating an original with a flying spot to print an image of the original A photographic printer having a CRT for illuminating an original with a flying spot to print an image of the original on a photographic material is provided with a digital filter for filtering video signals of the original in digital form to cancel the pe... | 07/17/1990 |
| 4937663 | Apparatus for scanning and recording a color image having a scanning element with scanning periods equal to the reciprocal of the flicker rate of a light source illuminating the color image and a rotating multi-segment color filter A scanning apparatus for scanning and recording a color image. A source of light having a certain flicker rate illuminates the color image, and a scanning element, such as a charge-coupled device, scans the color image during scanning periods to generate ... | 06/26/1990 |
| 4930008 | Scanner for reading color image A color image scanner which includes a plurality of light sources composed of a first light emitting diode for emitting a red light, a second light emitting diode for emitting a yellow light and a fluorescent light source for emitting a blue light, a cont... | 05/29/1990 |
| 4926253 | Multi-color document reading apparatus for facsimile and multi-color facsimile A multi-color document reading apparatus used in a facsimile apparatus for reading a document disposed at a predetermined position containing pictures of multiple colors on a line-by-line basis while discriminately identifying the colors includes an image... | 05/15/1990 |
| 4899175 | Recording system with illumination means utilizing a plurality of fluorescent substances An illumination apparatus adapted for illuminating a subject with light comprises a plurality of fluorescent substances each having a different spectral characteristic, a drive device for repetitively locating the fluorescent substances at a predetermined... | 02/06/1990 |
| 4898467 | Spectrometer apparatus for self-calibrating color imaging apparatus Spectrometer apparatus, for self-calibrating a color image scanner of the line scanner or area scanner type, comprises a member, having an optical slit, movable into position on an optical axis of the scanner between its polychromatic light source and its... | 02/06/1990 |
| 4893180 | Color image signal processing method A color image signal processing method for a color image input/output system reads an original by an image input section and corrects the color and gradation of the thus obtained image signals and feeds output density signals for each color to an image ou... | 01/09/1990 |
| 4888635 | Illuminating apparatus and recording apparatus making use of the same An illuminating apparatus for illuminating objects with lights has a rotary member having a plurality of types of fluorescent materials, a driving device for driving the rotary member, a lighting device for causing the fluorescent materials to emit lights... | 12/19/1989 |
| 4841362 | Apparatus for generating positive or negative image output signals from either positive or negative originals An image processing apparatus comprising positive and negative original input signal processing sections respectively converting positive and negative signals obtained by photoelectric scanning of positive and negative originals into positive density sign... | 06/20/1989 |
| 4831436 | Method of and apparatus for printing a color image using dichroic filters and a phosphor which strongly emits red light and weakly emits green and blue light A colored original is scanned in each of the three primary colors red, green and blue to generate a series of electrical imaging signals for each such color. The signals are electronically processed and then sent to a cathode ray tube having a screen whic... | 05/16/1989 |
| 4821114 | Opto-electronic scanning arrangement An opto-electronic arrangement for line-by-line scanning of color originals in reproduction technology by means of photodiodes as the opto-electronic transducers characterized by a light source with a condenser system whose light is projected at a fiber-o... | 04/11/1989 |
| 4816903 | Film checking apparatus A film checking apparatus which picks up images of two master films placed on two transparent film tables, displays the obtained images thereof on a color monitor thereby allowing for checking of the master films. The apparatus aids the film checking by p... | 03/28/1989 |
| 4812900 | Original reading apparatus with light source switching without a switching circuit An original reading apparatus includes: a line sensor having first and second sensor arrays each composed of a plurality of light receiving elements; a first optical filter disposed on the light incident side of the first sensor array; a second optical fi... | 03/14/1989 |
| 4805012 | System for high resolution exposure address with coarser resolution exposing array An electronic imaging system for light exposing a linear image zone at relatively high resolution which comprises a light source array having a plurality of selectively activatable pixel exposing elements of approximately equal width (W) spaced at general... | 02/14/1989 |
| 4734763 | Apparatus for generating positive or negative image output signals from either positive or negative originals An image processing apparatus comprises positive and negative original input signal processing sections respectively converting positive and negative signals obtained by photoelectric scanning of positive and negative originals into positive density signa... | 03/29/1988 |
| 4731661 | Color document reader with white balance adjuster for determining light emission periods for a plurality of different-colored light sources and corresponding integration times for a light sensor by reading a white reference area A color document reader comprises a plurality of different-colored light sources which sequentially illuminate a color document, and a light sensor which receives light reflected from the document. Prior to reading the document, a white balance operation ... | 03/15/1988 |
| 4716456 | CCD Color image sensor with a light source having a spectrum distribution characteristic having peaks at 470 nm and 590 nm and having no wavelengths above 700 nm In a color image sensor, CCD chips having peculiar spectrum distribution characteristics are arranged in two rows on a base with the CCD chips in one row staggered with respect to those in the other row. A pair of convergent rod lens arrays is located bet... | 12/29/1987 |
| 4698669 | Color picture reader and method for operating the same There is presented a color picture reader, and a method for using the same, which enable one to obtain exact and stable color separated signals. By projecting standard light of a light source on a reference plate, there are set reference values of the col... | 10/06/1987 |
| 4692795 | Color image readout device with detachable light source unit In a color image readout device having a plurality of light sources of different color emissions, controlled to light sequentially so that light reflected from a document irradiated by the light sources is fed to a CCD sensor to obtain a color separation ... | 09/08/1987 |
| 4691228 | Image reader In this invention there is disclosed a color image reader being able to read in three modes, a black and white mode, a color mode and a dropped color mode. The reader includes three fluorescence lamps for illuminating a document to be read, each lamp havi... | 09/01/1987 |
| 4670779 | Color-picture analyzing apparatus with red-purpose and green-purpose filters A color-picture reading apparatus comprises blue, red-purpose, and green-purpose fluorescent lamps, a red filter in front of the red-purpose lamp for solely passing the red radiation, a green filter in front of the green-purpose lamp for solely passing th... | 06/02/1987 |
| 4658289 | Color-picture analyzing apparatus for continuously switching-on green lamp and for alternatively switching-on blue and red-purpose lamps A color-picture analyzing apparatus includes a blue, green, and red-purpose lamps, preferably, fluorescent lamps; a sharp-cut filter in front of the red-purpose lamp for solely passing the red radiation; an infrared-cut filter interposed between a documen... | 04/14/1987 |
| 4652913 | Method and apparatus for reading color images using a plurality of color light sources in which one of the light sources is turned on continuously In a method and an apparatus for reading a color image wherein the color image is illuminated and scanned by light from a plurality of light sources having different spectral properties to read the color image on the basis of the reflected light therefrom... | 03/24/1987 |
| 4642679 | Color image reading apparatus A color image reading device for reading an original by an optical scanning device which optically scans across said original line-by-line is disclosed. The color image reading device includes a green fluorescent lamp for generating a green light with an ... | 02/10/1987 |
| 4638371 | Multiple exposure of area image sensor having a sparse array of elements Pixels of a digital image are produced by an area image sensor which includes a sparse array of elements. Each element is multiply exposed by different pixels of a light image. The light image is scanned in such a pattern between element exposures so that... | 01/20/1987 |
| 4636081 | Apparatus for reading color image In an apparatus for reading a color image on an original wherein the color image is illuminated and scanned by light from a plurality of light sources each having different spectrum to discriminate color of the color image on the basis of the reflected li... | 01/13/1987 |
| 4586076 | Scanner optics for containing scattered light An optical scanner (10) scans a color transparency (11) with a spot of light from a scanning beam. The light transmitted by the transparency, which is modulated according to the color content and density of the transparency, enters a beam splitter (21, 28... | 04/29/1986 |
| 4576462 | Illumination system for an electrophotographic printing device A selective color copyability illuminator includes a pair of lamps each having a spectral emission suitable for copying black and white documents or documents incorporating a specific color. The lamp emissions are selectively controlled depending upon the... | 03/18/1986 |
| 4558357 | Color image reading method and apparatus A color image reading method and apparatus in which the image of an object is formed by a single imaging optical system and a plurality of image pickup elements corresponding to lights of different wavelength ranges are disposed at imaging positions where... | 12/10/1985 |
| 4517589 | Colored image reading apparatus A colored image reading apparatus has a light source for illuminating the surface of an original, a transmitting optical system for dividing the light beam from the surface of the original into two beams of short wavelength zone and long wavelength zone a... | 05/14/1985 |
| 4492977 | Photomultiplier tube device In an electronic color separation system having a photomultiplier tube device in the scanning unit thereof, a diffuser plate is disposed between a light source and a photomultiplier tube in the immediate vicinity of said photomultiplier tube. The diffuser... | 01/08/1985 |
| 4490740 | Stationary platen type multicolor original reading device A multicolor reading device is provided with a high intensity illuminating light source and a plurality of filters sequentially arranged in front of the source to provide monochromatic light of differing hues. The light is transmitted from the source to t... | 12/25/1984 |
| 4486772 | Method and circuit arrangement for partial correction of the delineation in color image reproduction The invention relates to a method for improving the delineation in color image reproduction by means of a partial, electronic retouch. The color values of the individual color separations gained by means of image point-wise, trichromatic color image scann... | 12/04/1984 |
| 4476487 | Method and circuit arrangement for partial electronic retouch in color image reproduction The invention relates to a method for partial electronic retouch in color image reproduction. The color values of the individual color components gained by means of image point-wise, trichromatic color image scanning and digitization are deposited in a st... | 10/09/1984 |
| 4458264 | Apparatus and method for reading multi-color original A multi-color original reading apparatus comprises a single image sensor for sensing a multi-color original image, a plurality of light sources for illuminating the original image with lights of different colors, while turning on and off the light sources... | 07/03/1984 |
| 4449153 | Light valve imaging apparatus and method having supplemental exposure control In electronic imaging of the kind wherein light is directed uniformly onto a linear light valve array, which includes pixel portions selectively activated to block or transmit the light during successive line address periods, improved gray scale imaging i... | 05/15/1984 |
| 4446479 | Luminescent device for high resolution optical address and light valve imaging apparatus employing such device An optical-address device, useful e.g. in electronic imaging, features (i) a lens array including a plurality of discrete lens means, each adapted to focus incident collimated light, from a plurality of different incidence directions, onto respectively di... | 05/01/1984 |
| 4393399 | Method and apparatus for partial electronic retouching of colors Apparatus and method for electronically retouching color images reproductions in which the color signals are generated by means of scanning image point by image point and by trichromatic master scanning and then the signals are digitized and the digital c... | 07/12/1983 |
| 4380023 | Electronic imaging apparatus with light valve area arrays Two panels, each having a plurality of electrically-addressable, parallel light valve strips are arranged along an optical axis between entrance, exit and intermediate polarizing means. The strips of the respective panels are generally perpendicular and t... | 04/12/1983 |
| 4378567 | Electronic imaging apparatus having means for reducing inter-pixel transmission nonuniformity Electronic light valve of the kind having an imaging zone, an imagewise addressable light valve array, and means for directing illumination to the imaging zone via the array, operably associated with such apparatus, for reducing inter-pixel variation in l... | 03/29/1983 |
