US Patent No: 5,141,323

Number of patents in Portfolio can not be more than 2000

Color measurement system

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

Color measurement system for offset printing, having a bridge for spanning an original which is to be measured and a color-measuring device movably disposed on the bridge, the color-measuring device comprising a first three-color simultaneous measuring head for densitometric measurement, and a second three-color simultaneous measuring head for colorimetric measurement.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HEIDELBERGER DRUCKMASCHINEN AGHEIDELBERG1929

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kipphan, Helmut Schwetzingen, DE 29 579
Loffler, Gerhard Walldorf, DE 31 498

Cited Art

Patent Info (Count) # Cites Year
 
GRETAG AKTIENGESELLSCHAFT (2)
4,505,589 Process and apparatus for the colorimetric analysis of printed material 116 1982
4,967,379 Process for the ink control or regulation of a printing machine by comparing desired color to obtainable color data 29 1988
 
Minolta Camera Kabushiki Kaisha (1)
4,773,761 Photoelectric colorimeter 32 1986

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
SUN CHEMICAL CORPORATION (5)
7,034,960 System and method for managing electronic transmission of color data 9 2001
7,417,764 System and method for disseminating color ink and colorant formulas 2 2004
7,268,918 System and method for controlling metamerism 3 2004
7,202,976 System and method for managing electronic transmission of color data 4 2006
8,233,189 System and method for disseminating color ink and colorant formulas 0 2008
 
HEIDELBERGER DRUCKMASCHINEN AG (2)
5,724,143 Method and device for determining the area coverage of an original 2 1992
7,884,926 Color measuring apparatus having differently operating measuring devices 1 2007
 
ADVANCED VISION TECHNOLOGY (AVT) LTD. (1)
5,731,989 Method and device for determining a measurement for color control in a printing process 7 1996
 
Biophotonics S.A. (1)
6,614,530 Method and device for the colorimetric measurement of a colored surface 4 2001
 
Flint Group Incorporated (1)
7,277,202 Method for matching printing ink colors 2 2006
 
FLINT INK CORPORATION (1)
7,046,396 Method for matching printing ink colors 4 2000
 
MAN ROLAND DRUCKMASCHINEN AG (1)
6,018,385 Measuring system for registering reflectances on printed products 3 1998
 
MITSUI KINZOKU INSTRUMENTATIONS TECHNOLOGY CORPORATION (1)
6,334,092 Measurement device and measurement method for measuring internal quality of fruit or vegetable 3 1999
 
Perretta Graphics Corporation (1)
5,992,318 System for maintaining ink density 30 1998
 
PSC SCANNING, INC. (1)
6,069,696 Object recognition system and method 56 1996
 
Other [Check patent profile for assignment information] (2)
5,373,364 Hand-held instrument for measuring reflections on colored control fields of printed sheets 32 1994
5,691,816 Compact densitometer device 1 1996