Seung Ho Baek

US Patent:

6614463, Sep 2, 2003

Filed:

Oct 5, 2001

Appl. No.:

09/972678

Inventors:

Roger S. Kerr - Brockport NY
Seung H. Baek - Pittsford NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

B41J 2700

US Classification:

347241, 347256

Abstract:

An image processing apparatus ( ) for forming images on a thermal print media includes: a) a rotatable drum ( ); b) a motor for rotating the drum ( ); c) at least one movable printhead ( ) external to the drum ( ); d) thermal print media ( ) removably mounted on the drum ( ), the printhead ( ) being positioned to move over the thermal print media ( ) on the drum ( ); e) an imaging assembly ( ); f) at least one connection means, preferably fiber optic cables ( ), for connecting the imaging assembly ( ) to the printhead ( ); g) at least one conduit tube ( ) for conducting the connection means ( ) between the imaging assembly and the printhead ( ), one end of the conduit tube ( ) being affixed to the printhead ( ), an opposite end of the conduit tube being connected to the imaging assembly ( ); and h) an air moving device, preferably a cooler ( ) or blower ( ), connecting directly or indirectly to the conduit tube ( ) at the opposite end of the conduit tube. A process for eliminating foreign particles from and/or cooling the printhead area is also included herein.

US Patent:

6620280, Sep 16, 2003

Filed:

Oct 19, 2001

Appl. No.:

10/041837

Inventors:

Roger S. Kerr - Brockport NY
Seung Ho Baek - Pittsford NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

B32B 3100

US Classification:

156230, 156182, 156235, 156247, 156277, 156289, 430293

Abstract:

A method for laminating a dual sided pre-press proof ( ) comprises laminating a first side of a receiver stock ( ) with a first pre-laminate sheet ( ) and laminating a second side of the receiver stock ( ) with a second pre-laminate sheet ( ). The first pre-laminate sheet support layer ( ) and the second pre-laminate sheet support layer ( ) are removed forming a pre-laminated receiver stock. A first imaged clear receiver sheet ( ) and a second imaged clear receiver sheet ( ) are laminated to the pre-laminated receiver stock ( ) such that the registration marks on the first and second imaged clear receiver sheets are visibly positioned on top of each other and are in registration with each other. The first clear support layer ( ) and the second clear support layer ( ) is removed forming a dual sided pre-press proof ( ), wherein the images are in registration with each other.

US Patent:

6873435, Mar 29, 2005

Filed:

Aug 17, 2000

Appl. No.:

09/640972

Inventors:

Babak Tehranchi - Rochester NY, US
Seung H. Baek - Pittsford NY, US
Kurt M. Sanger - Rochester NY, US

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

H04N001/40

US Classification:

358 19, 358468, 358470, 382317

Abstract:

An output print produced by an image processing apparatus comprising a substrate having an image thereon and a machine readable marking identifying a data source used to process the image provided.

US Patent:

7253924, Aug 7, 2007

Filed:

Jan 31, 2003

Appl. No.:

10/355849

Inventors:

Kurt M. Sanger - Rochester NY, US
Seung Ho Baek - Pittsford NY, US
Thomas A. Mackin - Hamlin NY, US

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

H04N 1/60

US Classification:

358 19, 358 17, 358 301, 358 321, 358501, 358 324, 358 326, 358504, 358530, 347232, 347252, 347144

Abstract:

A method for printing multiple binary bitmaps () with an original density level () and a color (), wherein the color () is the same for all the multiple binary bitmaps (), by combining “n” number of binary bitmaps into “p” bits of a multibit image forming a “p” bit image (), identifying at least one overprint (), predicting an overprint density () for each overprint, calculating a set of exposures () needed to image each overprint density () and original density (), setting a maximum exposure level () that is a number greater than or equal to the maximum of the set of exposures (), calculating pulse width modulation levels () for the set of exposures () using the set maximum exposure level (), and printing the color () at the set maximum exposure level () using the pulse width modulation levels () for each level of the “p” bit image () in a single pass.

US Patent:

7283282, Oct 16, 2007

Filed:

Jan 31, 2003

Appl. No.:

10/355372

Inventors:

Kurt M. Sanger - Rochester NY, US
Seung Ho Baek - Pittsford NY, US
Thomas A. Mackin - Hamlin NY, US
Robert W. Spurr - Rochester NY, US

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

G06F 15/00
B41J 2/00

US Classification:

358 19, 358 11, 347196

Abstract:

The present invention is a method of adjusting a color in a color proof () printed with primary colors cyan, magenta, yellow, and black. It is accomplished by:.

US Patent:

7327380, Feb 5, 2008

Filed:

Jan 31, 2003

Appl. No.:

10/355932

Inventors:

Kurt M. Sanger - Rochester NY, US
Thomas A. Mackin - Hamlin NY, US
Seung Ho Baek - Fairport NY, US

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

B41J 2/47
G06F 15/00

US Classification:

347251, 347232, 347256, 347252, 358 19, 358 21, 358 31

Abstract:

The invention relates to an apparatus for printing a multibit per pixel image () from a halftone binary digital bitmap having pixels having a multibit per pixel image memory for receiving the multibit per pixel image; a lookup table () external to the memory disposed in a programmable gate array () for converting the multibit per pixel image to a base duty cycle () wherein the base duty cycle is disposed in the programmable gate array and is adapted for creating a modulated drive signal () from the base duty cycle to modulate an exposure () for each pixel in the multibit per pixel image; and a printer () adapted for using the modulated exposure to print an image, having a dpi greater than 1400, further comprising a drum () capable of spinning, and an encoder () disposed on the drum for providing a home signal () and a pixel rate ().

US Patent:

20010024588, Sep 27, 2001

Filed:

Jun 5, 2001

Appl. No.:

09/874343

Inventors:

Seung Baek - Pittsford NY, US
Roger Kerr - Brockport NY, US
William DeMarco - Rochester NY, US

International Classification:

B41J019/00
B41J011/58
B41J013/10
B41J011/02

US Classification:

400/319000, 400/627000, 400/649000

Abstract:

A color proofing apparatus () for writing images to an intermediate ink receiving element () comprising an inkjet printhead () for writing the images to the intermediate ink receiving element (). A lead screw () moves the inkjet printhead () in a first direction relative to the intermediate ink receiving element (). The intermediate ink receiving element () is mounted on the vacuum imaging drum () which is rotated by a motor () relative to the inkjet printhead.

US Patent:

51682885, Dec 1, 1992

Filed:

Dec 18, 1989

Appl. No.:

7/451656

Inventors:

Seung H. Baek - Pittsford NY
Charles D. DeBoer - Rochester NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

B41J 245
B41J 246

US Classification:

346 76L

Abstract:

A thermal printer is disclosed which is adapted to form an image on a thermal print medium of a type in which a donor element transfers dye to a receiver element upon receipt of a sufficient amount of thermal energy. The printer includes a plurality of diode lasers which can be individually modulated to supply energy to selected dots on the medium in accordance with an information signal. In order to increase the efficiency and versatility of the printer, the print head of the printer includes a fiber optic array having a plurality of optical fibers coupled to the diode lasers. The thermal print medium is supported on a rotatable drum, and the fiber optic array is movable relative to the drum.