Electronics for Imaging Patent Grants

Ink jet UV pinning for control of gloss

Granted: April 1, 2014
Patent Number: 8684511
Gloss is controlled in UV ink jet printing within a printing system. Controlled pinning energy is used to adjust the amount of ink interaction between drops, substrate, and ink layers, resulting in virtual elimination of gloss banding and control of the finished gloss level from a gloss level of approximately 85 to a gloss level of approximately 5.

Reduced gloss banding through low ink volume deposition per print pass

Granted: March 18, 2014
Patent Number: 8672451
Improved output quality of a printer used in UV curable ink jet printing is achieved by minimizing or eliminating a print artifact referred to as gloss banding or tire tracking. A same or a similar number of nozzles as used in conventional printers is used to achieve a desired throughput, but the nozzles are arranged so that any given square inch of substrate to which ink is being applied receives a lower amount of ink. A longer effective print head is provided by arranging the print…

Gas removal from a fluid delivery system

Granted: December 31, 2013
Patent Number: 8616691
Systems and methods of automatically bleeding air from a primary ink delivery system, so little or no air is mixed with the ink once it reaches a secondary ink system containing print heads. An air bleeder return assembly with a flow restrictor orifice that is configured to remove air from ink pumped to the carriage of print heads, thereby minimizing jet dropouts. Additionally, this setup provides the added advantage of the ability to run the bulk bags dry without ingesting large…

Job based calibration, calibration guard, and profile advisor

Granted: December 17, 2013
Patent Number: 8610932
A method and apparatus for launching a calibrator process by which the user is guided through the process of calibrating the conditions used by a particular print job is provided. Techniques are provided which calculate which print conditions will be used by the particular print job, which guarantees that the user is calibrating the correct conditions to get the best color quality for the particular job. The method and apparatus further provides techniques that allow the user to specify…

Methods and apparatus for secure document printing

Granted: December 3, 2013
Patent Number: 8601605
A secure document printing system is provided. A policy server is used to define access rules for a document, and select individual users and/or groups that will have access to the document. The policy server stores the access rules along with a document decryption key. The policy server's name and address are packed in the document, and then encrypted and sent to a print server which stores it for later access. A recipient is notified that the document resides on a particular print…

Directory server for automatic network information access systems

Granted: November 26, 2013
Patent Number: 8595384
Systems, apparatus and methods are described for providing information access to network devices. A directory server registers identification information about a first network device coupled to a first network. The first network and the directory server may be coupled to a second network, which may include a wide area network, public network, or the Internet. The identification information may include a network address of the first network device on the first network, or a network…

LED roll to roll drum printer systems, structures and methods

Granted: October 29, 2013
Patent Number: 8567936
An enhanced printing system comprises a drum structure, a print carriage for delivering LED curable ink there from, such as from one or more print heads, and one or more LED light sources for curing the delivered ink. Some embodiments may preferably further comprise one or more LED pining stations, such as to control, slow or stop the spread of ink drops. As well, some printer embodiments may comprise a mechanism to deliver any of an inert gas, e.g. nitrogen, or other gas that is at…

Halftoning method and apparatus using templates indexed by code

Granted: October 8, 2013
Patent Number: 8553286
Techniques are provided that use one or more templates to improve the printing of non-saturated colored text and lines. Such templates are predetermined, fixed patterns which can be indexed or looked up via a code word with a fewer number of bits than in the corresponding template. Thus, such templates are used to increase the resolution or effective resolution of a display. In an embodiment, each template location represents a 4×4 region of binary pixels. The number of possibilities of…

Methods and apparatus for providing access to content

Granted: July 9, 2013
Patent Number: 8484316
Methods and apparatus are provided for providing access to content via messaging services, such as email, voicemail, instant messaging, text messaging, or other similar messaging services. A content server is provided that includes a user interface, a web server and a file. The web server includes a web page for accessing the file. A user provides user information associated with a messaging address via the user interface, and the content server then sends a message including the web…

Method and apparatus for thermal expansion based print head alignment

Granted: July 2, 2013
Patent Number: 8477165
Automated print head alignment uses thermal expansion. By leveraging thermal expansion to position print heads within the carriage, the tedious manual adjustment process is eliminated. The need for costly precision references within the printer and on the print head is also reduced.

Reduced gloss banding through low ink volume deposition per print pass

Granted: June 11, 2013
Patent Number: 8459778
Improved output quality of a printer used in UV curable ink jet printing is achieved by minimizing or eliminating a print artifact referred to as gloss banding or tire tracking. A same or a similar number of nozzles as used in conventional printers is used to achieve a desired throughput, but the nozzles are arranged so that any given square inch of substrate to which ink is being applied receives a lower amount of ink. A longer effective print head is provided by arranging the print…

Inkjet printer with dot alignment vision system

Granted: June 11, 2013
Patent Number: 8459773
Image processing of printed patterns of arrays of dots generated by an array of inkjet heads uses a vision system, including an HD color camera that can be a fixed focus or include autofocus and zoom capabilities. Pattern recognition techniques are used to analyze as many patterns as necessary to perform multiple alignment functions, such as dot size, shape, and integrity; unidirectional, bidirectional, and step alignments; physical position and straightness of jet packs; flatness of…

Metallic ink jet printing system and method for graphics applications

Granted: April 30, 2013
Patent Number: 8430498
A multi-phase system for creating a metallic effect on a substrate, includes applying to the substrate a first ink jet ink having a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet includes at least one…

Ink jet printer

Granted: April 2, 2013
Patent Number: 8408676
An ink jet printer for printing on a substrate comprising a first print head outputting ink and defining an ink meniscus; a platen operable to carry the substrate; a support structure; and a print head mechanism coupled to the support structure and carrying the first print head. The print head mechanism moving the first print head relative to the platen. A controller controls the print head mechanism such that at least one of a predetermined acceleration and predetermined deceleration of…

Liquid ink container and ink delivery station

Granted: December 4, 2012
Patent Number: 8322836
A liquid ink container having mating features for self alignment with an ink delivery station. The ink delivery station includes a receiver with an actuated puncture ring. The liquid ink container includes a cap that is punctured by the ring to allow fluid flow from the container. The receiver and container also include means for introducing pressurized gas into the container to facilitate evacuation of liquid ink.

Metallic ink jet printing system for graphics applications

Granted: November 27, 2012
Patent Number: 8317311
A multi-phase system for creating a metallic effect on a substrate, includes applying to the substrate a first ink jet ink having a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet comprises at least one…

Apparatus and methods for transferring printer driver preferences

Granted: October 23, 2012
Patent Number: 8294925
A system is provided for supporting multiple platforms with common personal preferences for printer drivers. The set preferences for the printer driver are therefore reusable and may be moved from one driver to another. The system involves the provision of a common format for printer driver preferences. When a new printer is brought to a system or a user moves to a station that uses a different printer, the preferences are readily moved to that location. Further, an MIS department may…

Methods and apparatus for color profile editing

Granted: August 14, 2012
Patent Number: 8243326
Apparatus and methods are provided for editing color profiles. In particular, input data (such as reference image data) are received, and then are converted to first output data using a first color profile and to second output data using a second color profile, wherein the second color profile is an edited version of the first color profile. Soft proof data corresponding to the input data, first output data and second output data are calculated and then displayed on a display device. The…

Directory server for automatic network information access systems

Granted: June 19, 2012
Patent Number: 8205012
Systems, apparatus and methods are described for providing information access to network devices. A directory server registers identification information about a first network device coupled to a first network. The first network and the directory server may be coupled to a second network, which may include a wide area network, public network, or the Internet. The identification information may include a network address of the first network device on the first network, or a network…

Metallic ink jet printing system for graphics applications

Granted: June 5, 2012
Patent Number: 8192010
A multi-phase system for creating a metallic effect on a substrate, comprising applying to the substrate a first ink jet ink comprising a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet comprises at least…