IP Library › Assignment 011442/0939

Patent Assignment

Reel/Frame 011442/0939

Merger/Change of Name

Recorded: 2001-01-26 Pages: 6

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Assignors

LINOTYPE HELL AG

Executed: 1987-07-02

LINOTYPE AG

Executed: 1991-06-27

LINOTYPE GMBH

Executed: 1997-10-20

Assignee

HEIDELBERGER DRUCKMASCHINEN AG

KURFUESTEN ANLAGE 52-60, D69115 HEIDELBERG, GERMANY

Covered Properties (108)

Method for Autotypical Tonal Value Analysis

Patent: 4,482,923 →

Application: 06/245,643 →

Method and Circuit for Recognition of Colors

Patent: 4,414,635 →

Application: 06/324,615 →

Method and Apparatus for the Correction of the Position Error of a Multifaceted Rotating Mirror

Patent: 4,404,596 →

Application: 06/326,526 →

Run-Free Color Raster for Multi-Color Printing

Patent: 4,443,060 →

Application: 06/341,486 →

Method for a Reproduction of Colored Masters in Four-Color Printing Using Color Reduction

Patent: 4,482,917 →

Application: 06/356,449 →

Method for Partially Smoothing Retouch in Electronic Color Reproduction

Patent: 4,516,155 →

Application: 06/358,850 →

Scanning Method and Scanning Diaphragm for Suppressing Moire in the Scanning of Rastered Masters

Patent: 4,516,175 →

Application: 06/379,999 →

Method and Circuit Arrangement for Partial Correction of the Delineation in Color Image Reproduction

Patent: 4,486,772 →

Application: 06/380,662 →

Method and Circuit Arrangement for Partial Electronic Retouch in Color Image Reproduction

Patent: 4,476,487 →

Application: 06/380,663 →

Method for Producing Printing Forms with Irregularly Distributed Printing Points

Patent: 4,485,397 →

Application: 06/413,216 →

Method of Improving Contrast Accentuation

Patent: 4,521,812 →

Application: 06/435,255 →

Screen Systems for Multicolour Printing

Patent: 4,537,470 →

Application: 06/438,989 →

Color Reduction Dependent on Tone

Patent: 4,551,751 →

Application: 06/479,733 →

Production of Screen Printing Blocks

Patent: 4,499,489 →

Application: 06/479,974 →

Method and Apparatus for Modifying Color Reduction Depending on Tone

Patent: 4,590,515 →

Application: 06/494,460 →

Method and Apparatus for Recording Color Pictures for Multicolor Printing

Patent: 4,561,016 →

Application: 06/495,581 →

Method and Apparatus for Eliminating Defects in Images in Polychromatic Printing Due to Faulty Registration of Superimposed Printing of Color Separations

Patent: 4,583,116 →

Application: 06/497,510 →

Method and an Apparatus for Copying Retouch in Electronic Color Picture Reproduction

Patent: 4,577,219 →

Application: 06/556,330 →

Method and Apparatus for Producing Half-Tone Printing Forms with Rotated Screens on the Basis of Randomly Selected Screen Threshold Values

Patent: 4,700,235 →

Application: 06/668,835 →

Method and Circuit Arrangement for Selective Correction of Hues and Colors

Patent: 4,649,423 →

Application: 06/680,775 →

Method and Apparatus for the Recognition of Hues and Colors

Patent: 4,623,973 →

Application: 06/680,910 →

Method and Circuit Arrangement for Simulating a Multi-Colored Reproduction on a Color Monitor

Patent: 4,639,770 →

Application: 06/683,803 →

Optical Flat Bed Scanning System

Patent: 4,629,283 →

Application: 06/696,974 →

Apparatus for Checking Color Pictures on a Color Monitor

Patent: 4,691,229 →

Application: 06/734,265 →

Method for the Synchronization of a Moveable Material Web and an Optical Deflection Path

Patent: 4,704,698 →

Application: 06/735,936 →

Apparatus for Imaging Text and Graphics on Photosensitive Material

Patent: 4,719,474 →

Application: 06/757,129 →

Flat Bed Optical Scanning Beam Deflection System

Patent: 4,690,485 →

Application: 06/778,585 →

Device for Light Transmission

Patent: 4,746,180 →

Application: 06/788,876 →

Method for Engraving Printing Cylinders Having Seamless Joints Within Repeated Patterns

Patent: 4,688,101 →

Application: 06/857,763 →

Circuit for Modulating a Scanning Beam in a Text and Graphics Image Setting Apparatus

Patent: 4,794,405 →

Application: 06/909,873 →

Device for Transporting Photosensitive Material Past an Imaging Line in Text and Graphics Image Setting Apparatus

Patent: 4,792,816 →

Application: 06/910,368 →

An Opto-Electronic Scan Head Which Has a Housing Portion and a Housing Member That Are Coupled Together by First and Second Guide Rods So as to Allow Relative Motion Therebetween

Patent: 4,742,401 →

Application: 06/922,334 →

Method and Circuit for Driving a Stepping Motor

Patent: 4,737,700 →

Application: 06/939,179 →

Opt-Electronic Scanning Arragement

Patent: 4,821,114 →

Application: 07/044,609 →

Laser Diode Output Power Stabilization in a Laser Imagesetter

Patent: 4,803,497 →

Application: 07/091,681 →

Diaphragm Arrangement for Opto-Electronic Scanning of Originals

Patent: 4,812,913 →

Application: 07/147,321 →

Method and Apparatus for Electronic Page Combination for Reproduction Technology

Patent: 4,849,822 →

Application: 07/153,826 →

Area Exposure Apparatus for Exposing an Area of Text on a Recording Carrier and Method for Conducting the Area Exposure

Patent: 4,821,048 →

Application: 07/228,855 →

Mounting Device for Image Cylinders

Patent: 4,902,156 →

Application: 07/272,890 →

Method and Apparatus for White Balancing

Patent: 4,907,077 →

Application: 07/274,933 →

Mode of Operating of a Circuit Arrangement for Improving the Bounce Behavior of Print Form Engraving Systems

Patent: 5,036,403 →

Application: 07/458,758 →

Method and Apparatus for Acquiring Covering Data of Print Areas

Patent: 5,128,879 →

Application: 07/566,371 →

Optical Colo-Splitter Arrangement

Patent: 5,165,079 →

Application: 07/730,806 →

Device for Clamping Sheet-Shaped Recording Material

Patent: 5,329,301 →

Application: 07/852,123 →

Optical Positioning System for at Least One Picture Element

Patent: 5,387,995 →

Application: 07/859,364 →

Method and Apparatus for the Correction of Positioning Errors of a Deflected Light Ray

Patent: 5,278,405 →

Application: 07/867,208 →

Method and Device for Generating a Digital Lookup Table for Printing Inks in Image Reproduction Equipment

Patent: 5,398,121 →

Application: 07/940,894 →

Multispectral Color Image Pickup System

Patent: 5,319,472 →

Application: 07/972,412 →

Black Recalculation for Arbitrary Hsl Corrections in Cmy Color Space

Patent: 5,359,436 →

Application: 07/974,528 →

Method and Circuit Arrangement for Correcting the Light Power Output of a Laser Diode

Patent: 5,313,482 →

Application: 07/975,538 →

Method and Circuit Arrangement for Driving a Laser Diode

Patent: 5,303,251 →

Application: 07/977,415 →

Scanning Device for Selectively Scanning Contone or Line Originals by Use of a Switch-Over Unit Comprising a Mirror

Patent: 5,475,495 →

Application: 07/977,416 →

A Method for Controlling a Synchronous Motor for Implementation of an Exact Start/Stop Positioning Operation in a Recording Apparatus

Patent: 5,315,226 →

Application: 08/003,590 →

Method and Apparatus for Exposure Calibration in Recording Devices

Patent: 5,473,734 →

Application: 08/019,415 →

Device for Clamping and Releasing Film Material and Operation of Said Device

Patent: 5,500,656 →

Application: 08/030,374 →

Device for Dividing an Optical Beam

Patent: 5,504,620 →

Application: 08/050,219 →

Device for Beam Division

Patent: 5,420,714 →

Application: 08/050,220 →

Method and Apparatus for Assembling a Composite Image from a Plurality of Data Types

Patent: 5,303,342 →

Application: 08/064,362 →

Method for Generating and Storing Digitized Density Thresholds for Rastering a Half Tone Original Image

Patent: 5,581,372 →

Application: 08/066,035 →

Light Beam Deflection Means

Patent: 5,426,529 →

Application: 08/066,053 →

Symmetrical Prism Beam Deflector

Patent: 5,357,375 →

Application: 08/071,471 →

Device for Speed Stabilization of a Motor Employing Phase Comparison

Patent: 5,375,186 →

Application: 08/082,040 →

Method and Apparatus for Producing Circular Distributions

Patent: 6,124,860 →

Application: 08/086,825 →

Method and Apparatus for Setting the Sharpness of an Optical Imaging System

Patent: 5,365,053 →

Application: 08/107,783 →

Method and Apparatus for Filtering Signals Having a Filter in Which Signals Having Amplitudes Are Allocated to a Quantized, Two-Dimensional Reference Plane

Patent: 5,446,502 →

Application: 08/107,797 →

Method and Apparatus for Filtering Signals

Patent: 5,432,716 →

Application: 08/107,798 →

Method and Apparatus for Setting the Sharpness of an Optical Imaging System

Patent: 5,430,288 →

Application: 08/108,553 →

Method and Arrangement for Producing Rastered Color Separations and Printing Forms

Patent: 5,353,128 →

Application: 08/108,695 →

Method and Apparatus for Recording Rastered Images

Patent: 5,383,028 →

Application: 08/108,702 →

Method and Apparatus for Processing Color Values

Patent: 5,349,451 →

Application: 08/144,552 →

Method for Processing Color Values for Reproduction Scale Modification and Shapness Correction in Reproduction of Color Originals

Patent: 5,373,376 →

Application: 08/144,579 →

Method for Optimizing Frequency-Modulated Rasters Upon Utilization of Threshold Hills

Patent: 5,425,112 →

Application: 08/174,897 →

Optical Positioning System for at Least One Picture Element

Patent: 5,570,223 →

Application: 08/179,037 →

Photosetting Apparatus, Particularly a Laser Exposer, Having a Cylindrical Bed

Patent: 5,508,730 →

Application: 08/196,241 →

Method for Generating Geometric Masks with a Digital Color Computer

Patent: 5,559,903 →

Application: 08/224,050 →

Method and Apparatus for Freely Selectable Substitution of the Achromatic Part in Multi Color Printing with the Black Ink

Patent: 5,459,590 →

Application: 08/224,161 →

Method for Generating Uniform Color Area Definitions with Addition and Removal Operators

Patent: 5,489,921 →

Application: 08/224,473 →

Method and Apparatus for Calibration of Color Values

Patent: 5,481,380 →

Application: 08/261,884 →

Hsl Corrections in Cmy Color Space

Patent: 5,612,795 →

Application: 08/302,247 →

Method and Apparatus for the Analysis of Color Casts in Color Originals

Patent: 5,420,704 →

Application: 08/306,428 →

Method and Circuit Arrangement for Electronic Retouching of Images

Patent: 5,572,607 →

Application: 08/306,433 →

Method for Generating and Storing Digitized Density Thresholds for Rastering a Half Tone Original Image

Patent: 5,469,516 →

Application: 08/366,385 →

Method and Apparatus for the Analysis and Correction of the Image Gradation in Image Originals

Patent: 5,748,802 →

Application: 08/376,377 →

Process for Creating Five to Seven Color Separations Used on a Multicolor Press

Patent: 5,687,300 →

Application: 08/409,850 →

Method and Apparatus for Reproducing an Image Employing a Transformation of Color Solids

Patent: 5,696,839 →

Application: 08/429,329 →

Method for Generating and Storing Digitalized Density Threshold Values for the Rastering of a Half-Tone Picture Original

Patent: 5,642,436 →

Application: 08/430,162 →

Hsl Neighborhoods in Cmy Color Space

Patent: 5,502,642 →

Application: 08/434,862 →

Light Beam Deflection Device

Patent: 5,583,687 →

Application: 08/452,412 →

Optical Positioning System for at Least One Picture Element

Patent: 5,661,586 →

Application: 08/489,586 →

Light Beam Deflection Means

Patent: 5,526,168 →

Application: 08/500,400 →

Method and Apparatus for Image Value Correction in Optoelectronic Transducers

Patent: 5,748,803 →

Application: 08/590,813 →

Method for the Electronic Assembly of Printer's Forms

Patent: 5,809,218 →

Application: 08/605,152 →

Method and Apparatus for the Conversion of Color Values

Patent: 5,835,244 →

Application: 08/624,529 →

Method and Apparatus for the Automatic Analysis of Density Range, Color Cast, and Gradation of Image Originals on the Basis of Image Values Transformed from a First Color Space into a Second Color Space

Patent: 5,668,890 →

Application: 08/699,189 →

Optoelectronic Record Element with Electronic Feedback for Power Control

Patent: 5,828,045 →

Application: 08/718,534 →

Method and Circuit Arrangement for Regulating the Luminous Power of a Laser Diode

Patent: 5,761,231 →

Application: 08/722,186 →

Method for Generating Harmonic Color Corrections in a Color Space, Particularly a Cielab Color Space

Patent: 5,751,845 →

Application: 08/728,034 →

Process Control Strip and Method for Recording