Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 358/515
Name: Facsimile and static presentation processing > Natural color facsimile > Color separation
Description: Subject matter wherein a color image signal is decomposed into a plurality of color signals corresponding to each of a plurality of primary colors (e.g., red, blue, and green) before processing.

Sub-classes under this class:

Class Number Class Name Patents
358/517 Color masking 127
358/516 White balance correction 222

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5420702 Method for preparing polychromatic printing plates May. 30, 1995
5414536 Image reader having the ability to correct imaging performance to due field angle focus variations May. 9, 1995
5400153 System and method of determining a reference value for the intensity associated with a color indication variable obtained by scanning an original with a color scanning unit Mar. 21, 1995
5396346 Image processing method and apparatus using rounding processing Mar. 7, 1995
5387988 Image signal processing apparatus and image formation apparatus including the same Feb. 7, 1995
5383036 Enhancement of multiple color images without color separation error by inverse symmetrical template matching Jan. 17, 1995
5381246 Image processing system for converting a full color image into a pseudo-color CMY dot representation Jan. 10, 1995
5371615 Image-dependent color correction using black point and white point in a natural scene pictorial image Dec. 6, 1994
5370976 Metallic color printing process Dec. 6, 1994
5367388 Electronic separation scanner Nov. 22, 1994
5363218 Color estimation method for compressing color image data for image reproduction Nov. 8, 1994
5357344 Method of and apparatus for recording halftone image Oct. 18, 1994
5343310 Picture image color separating apparatus Aug. 30, 1994
5335097 Color tone correcting apparatus Aug. 2, 1994
5329385 Color correction device having a color conversion function Jul. 12, 1994
5327264 Image transmission apparatus for selectively changing an image display pixel number Jul. 5, 1994
5323248 Method and apparatus for preparing polychromatic printing plates Jun. 21, 1994
5319474 Overlapping device of a color video printer Jun. 7, 1994
5317426 Color estimation method for expanding a color image for reproduction in a different color gamut May. 31, 1994
5315413 Color image correction device for correcting phase and resolution characteristics of a copy image using different color signal components May. 24, 1994
5315415 Color image processing apparatus May. 24, 1994
5313313 Image processing apparatus May. 17, 1994
5309246 Technique for generating additional colors in a halftone color image through use of overlaid primary colored halftone dots of varying size May. 3, 1994
5289295 Color adjustment apparatus Feb. 22, 1994
5253082 Image forming apparatus Oct. 12, 1993
5247352 Apparatus and method capable of using several sharpened color signals to sharpen each color component of a color image Sep. 21, 1993
5245417 Ground fog and ground removing system for image forming apparatus Sep. 14, 1993
5241378 Flatbed-type apparatus and method for reading both positive and negative color film Aug. 31, 1993
5241396 Color printing yielding a dense black image Aug. 31, 1993
5225901 Apparatus and method for converting and displaying R, G, and B signals from a prepress scanner Jul. 6, 1993
5220417 Image processing apparatus and method Jun. 15, 1993
5208664 Image reading method and apparatus with coordination function between read value and original density May. 4, 1993
5204737 Color information reading apparatus for reading binary data Apr. 20, 1993
5204665 Color editing with simple encoded images Apr. 20, 1993
5196927 Method for electronic color processing Mar. 23, 1993
5196925 Compensating structure for position errors in apparatus for recording and reproducing charge latent image Mar. 23, 1993
5191406 Method and apparatus for rapid scanning of color images Mar. 2, 1993
5187570 Color image outputting system for an image processing apparatus Feb. 16, 1993
5185661 Input scanner color mapping and input/output color gamut transformation Feb. 9, 1993
5172248 Method for forming halftone screen and apparatus therefor Dec. 15, 1992
5172224 Printer calibration method using electronically-decoupled color and tone scale adjustments Dec. 15, 1992
5166784 Original reading apparatus, having a filter, for reading a color original Nov. 24, 1992
5162925 Color image processor capable of performing masking using a reduced number of bits Nov. 10, 1992
5161007 Recording head with carrier generation and transport layers adjacent a photo-modulation layer for recording information included in an electro-magnetic radiation-beam applied thereto Nov. 3, 1992
5157483 Multicolor image forming method and apparatus Oct. 20, 1992
5155587 Color conversion method for reproducing an image and an image reproducing device incorporating the same Oct. 13, 1992
5144419 Method of and apparatus for recording color image Sep. 1, 1992
5142355 Edit control system for use in an image processing apparatus Aug. 25, 1992
5138416 Multi-color photosensitive element with heterojunctions Aug. 11, 1992
5136401 Image layout apparatus for performing pattern modification such as coloring of an original image Aug. 4, 1992

1 2 3 4 5 6 7 8 9 10 11 12 13 14

  Recently Added Patents
System and method for providing an extended platform for an operating system
Solar energy converter with improved photovoltaic efficiency, frequency conversion and thermal management permitting super highly concentrated collection
Personal warming apparatus
Detecting mirrors on the web
Biphotonic photosensitizers, nanoparticles containing the same and their use as drugs
Plants and seeds of hybrid corn variety CH717591
System and method for redundant array copy removal in a pointer-free language
  Randomly Featured Patents
Method for optoelectronically inspecting pharmaceutical articles
Pyrimidine derivative and liquid crystal composition containing same
Reinforcing bar binder
Metal wood club with improved moment of inertia
Linear actuator
Turbomachinery electric generator arrangement
Method for fractionating sulphite cooking liquor
Steroid sulfatase assay
Frequency divider for generating output clock signal with duty cycle different from duty cycle of input clock signal