Patents by Inventor Kobi Shkuri
Kobi Shkuri has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11204574Abstract: In one example of the disclosure, a first sensor located adjacent to a first end of the blanket drum is utilized to take a first temperature reading. A second sensor located adjacent to a second end of the blanket drum is utilized to take a second temperature reading. A blanket creep condition is identified responsive to determining a difference in blanket drum temperatures is in excess of a predetermined threshold. A remedial measure is caused to be performed to address the blanket creep condition.Type: GrantFiled: April 23, 2018Date of Patent: December 21, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sasi Moalem, Kobi Shkuri
-
Publication number: 20210041821Abstract: In one example of the disclosure, a first sensor located adjacent to a first end of the blanket drum is utilized to take a first temperature reading. A second sensor located adjacent to a second end of the blanket drum is utilized to take a second temperature reading. A blanket creep condition is identified responsive to determining a difference in blanket drum temperatures is in excess of a predetermined threshold. A remedial measure is caused to be performed to address the blanket creep condition.Type: ApplicationFiled: April 23, 2018Publication date: February 11, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Sasi Moalem, Kobi Shkuri
-
Patent number: 10908520Abstract: In an example of a method for reducing contamination, a purified imaging oil is formed by filtering an imaging oil through an imaging oil filter, and then filtering the imaging oil through a polar absorbent filter. A surface of an amorphous silicon photoconductor of a liquid electrophotographic printing apparatus is maintained by periodically applying the purified imaging oil to the amorphous silicon photoconductor.Type: GrantFiled: August 22, 2019Date of Patent: February 2, 2021Assignee: HP Indigo B.V.Inventors: Kobi Shkuri, Sasi Moalem, Reut Diamant, Yossi Cohen, Shahar Tal
-
Publication number: 20190377275Abstract: In an example of a method for reducing contamination, a purified imaging oil is formed by filtering an imaging oil through an imaging oil filter, and then filtering the imaging oil through a polar absorbent filter. A surface of an amorphous silicon photoconductor of a liquid electrophotographic printing apparatus is maintained by periodically applying the purified imaging oil to the amorphous silicon photoconductor.Type: ApplicationFiled: August 22, 2019Publication date: December 12, 2019Inventors: Kobi Shkuri, Sasi Moalem, Reut Diamant, Yossi Cohen, Shahar Tal
-
Patent number: 10437169Abstract: Examples of charging a photoconductive layer in an image forming apparatus are described. In one example, a method includes applying a charging voltage to the photoconductive layer and measuring surface voltages of the photoconductive layer at a plurality of positions on the photoconductive layer. Based on the measured surface voltages, a correction voltage profile is determined. The determined correction voltage profile includes at least a first correction voltage associated with a first position on the photoconductive layer and a second correction voltage associated with a second position, different to the first position, on the photoconductive layer. The method includes applying the first correction voltage to the photoconductive layer and applying the second correction voltage to the photoconductive layer.Type: GrantFiled: March 31, 2016Date of Patent: October 8, 2019Assignee: HP Indigo B.V.Inventors: Ran Waidman, Sasi Moalem, Kobi Shkuri
-
Patent number: 10416580Abstract: In an example of a method for reducing contamination, a purified imaging oil is formed by filtering an imaging oil through an imaging oil filter, and then filtering the imaging oil through a polar absorbent filter. A surface of an amorphous silicon photoconductor of a liquid electrophotographic printing apparatus is maintained by periodically applying the purified imaging oil to the amorphous silicon photoconductor.Type: GrantFiled: April 1, 2015Date of Patent: September 17, 2019Assignee: HP Indigo B.V.Inventors: Kobi Shkuri, Sasi Moalem, Reut Diamant, Yossi Cohen, Shahar Tal
-
Patent number: 10191426Abstract: According to some examples, an apparatus includes a monitoring module to determine a length of a portion of an imaging member as the imaging member rotates; and indicate a fault condition in response to the determined length being different from a reference length.Type: GrantFiled: March 23, 2018Date of Patent: January 29, 2019Assignee: HP INDIGO B.V.Inventors: Kobi Shkuri, Sasi Moalem, Rafael Kahatabi
-
Publication number: 20190011848Abstract: Examples of charging a photoconductive layer in an image forming apparatus are described. In one example, a method comprises applying a charging voltage to the photoconductive layer and measuring surface voltages of the photoconductive layer at a plurality of positions on the photoconductive layer. Based on the measured surface voltages, a correction voltage profile is determined. The determined correction voltage profile comprises at least a first correction voltage associated with a first position on the photoconductive layer and a second correction voltage associated with a second position, different to the first position, on the photoconductive layer. The method comprises applying the first correction voltage to the photoconductive layer and applying the second correction voltage to the photoconductive layer.Type: ApplicationFiled: March 31, 2016Publication date: January 10, 2019Applicant: HP INDIGO B.V.Inventors: Ran Waidman, Sasi Moalem, Kobi Shkuri
-
Patent number: 10162282Abstract: In one example, an electrostatic printer includes: a photoconductor member; a charging unit to charge the photoconductor member to a charged voltage; an imaging unit to generate a latent electrostatic image on the photoconductor member by discharging areas of the charged photoconductor member; a developer unit to develop a toner image on the photoconductor member using a developer voltage; and a controller to change the developer voltage and to change the charged voltage dependent on the change of the developer voltage to keep the difference between the developer voltage and the charged voltage constant.Type: GrantFiled: January 29, 2015Date of Patent: December 25, 2018Assignee: HP INDIGO B.V.Inventors: Sasi Moalem, Dmitry Maister, Yossi Cohen, Kobi Shkuri, Michel Assenheimer
-
Publication number: 20180210385Abstract: According to some examples, an apparatus includes a monitoring module to determine a length of a portion of an imaging member as the imaging member rotates; and indicate a fault condition in response to the determined length being different from a reference length.Type: ApplicationFiled: March 23, 2018Publication date: July 26, 2018Inventors: Kobi SHKURI, Sasi MOALEM, Rafael KAHATABI
-
Patent number: 9939765Abstract: According to one example, there is provided apparatus for detecting a fault in a printing system. The apparatus includes a monitoring module to determine the length of a portion of an imaging member as the imaging member rotates; and indicate a fault condition when the determined length is different to a reference length.Type: GrantFiled: April 9, 2014Date of Patent: April 10, 2018Assignee: HP Indigo B.V.Inventors: Kobi Shkuri, Sasi Moalem, Rafael Kahatabi
-
Publication number: 20180017882Abstract: In an example of a method for reducing contamination, a purified imaging oil is formed by filtering an imaging oil through an imaging oil filter, and then filtering the imaging oil through a polar absorbent filter. A surface of an amorphous silicon photoconductor of a liquid electrophotographic printing apparatus is maintained by periodically applying the purified imaging oil to the amorphous silicon photoconductor.Type: ApplicationFiled: April 1, 2015Publication date: January 18, 2018Applicant: HP INDIGO B.V.Inventors: Kobi Shkuri, Sasi Moalem, Reut Diamant, Yossi Cohen, Shahar Tal
-
Publication number: 20170371266Abstract: An electrostatic printer comprises a charging unit, a photoconductor member, an imaging unit, a developer unit and a controller. The charging unit is to charge the photoconductor member to a charged voltage. The imaging unit is to generate a latent electrostatic image on the photoconductor member by discharging areas of the charged photoconductor member. The developer unit is to develop a toner image on the photoconductor member using a developer voltage. The controller is to change the developer voltage, and to change the charged voltage dependent on the change of the developer voltage.Type: ApplicationFiled: January 29, 2015Publication date: December 28, 2017Inventors: Sasi Moalem, Dmitry Maister, Yossi Cohen, Kobi Shkuri, Michel Assenheimer
-
Publication number: 20170031288Abstract: According to one example, there is provided apparatus for detecting a fault in a printing system. The apparatus comprises a monitoring module to determine the length of a portion of an imaging member as the imaging member rotates; and indicate a fault condition when the determined length is different to a reference length.Type: ApplicationFiled: April 9, 2014Publication date: February 2, 2017Inventors: Kobi SHKURI, Sasi MOALEM, Rafael KAHATABI
-
Patent number: 9465323Abstract: According to an example, a liquid electrophotography printing (LEP) apparatus includes a fluid chamber to store fluid to be used to form an image and a filtration assembly to filter the fluid of the fluid chamber. The filtration assembly may store a filtration material to filter the fluid received from the fluid chamber and may provide the filtered fluid to the fluid chamber. The LEP apparatus may also include a detector assembly to detect a fluid parameter of the filtered fluid in the fluid chamber and a filtration adder unit to add a predetermined amount of the filtration material to the filtration assembly in response to a detection of the fluid parameter by the detector assembly.Type: GrantFiled: March 20, 2015Date of Patent: October 11, 2016Assignee: Hewlett-Packard Indigo B.V.Inventors: Eyal Bachar, Kobi Shkuri, Elliad Silcoff, Yoram Sorek, Yossi Cohen, Nava Klein, Doron Schlumm
-
Publication number: 20150198912Abstract: According to an example, a liquid electrophotography printing (LEP) apparatus includes a fluid chamber to store fluid to be used to form an image and a filtration assembly to filter the fluid of the fluid chamber. The filtration assembly may store a filtration material to filter the fluid received from the fluid chamber and may provide the filtered fluid to the fluid chamber. The LEP apparatus may also include a detector assembly to detect a fluid parameter of the filtered fluid in the fluid chamber and a filtration adder unit to add a predetermined amount of the filtration material to the filtration assembly in response to a detection of the fluid parameter by the detector assembly.Type: ApplicationFiled: March 20, 2015Publication date: July 16, 2015Inventors: Eyal BACHAR, Kobi SHKURI, Elliad SILCOFF, Yoram SOREK, Yossi COHEN, Nava KLEIN, Doron SCHLUMM
-
Patent number: 9037046Abstract: A method of maintaining a photoconductive member of a liquid electrophotography printing apparatus (LEP) is disclosed. The method includes storing a fluid having at least fluid particles and a carrier liquid in a fluid chamber and removing at least a portion of the fluid particles and the dissolved materials from the fluid through adsorption by filtration material disposed within a filtration assembly to form a filtered fluid. The method also includes maintaining the photoconductive member by periodically applying the filtered fluid to the photoconductive member and removing the filtered fluid and fluid residue therefrom.Type: GrantFiled: January 21, 2011Date of Patent: May 19, 2015Assignee: Hewlett-Packard Indigo B.V.Inventors: Eyal Bachar, Kobi Shkuri, Elliad Silcoff, Yoram Sorek, Yossi Cohen, Nava Klein, Doron Schlumm
-
Patent number: 8983321Abstract: A method includes controlling a charge level of fluid in a fluid chamber by detecting at least one fluid parameter corresponding to a charge level of a fluid in a fluid chamber having at least charge directors and carrier liquid, and controlling the charge level of the fluid based on the detected fluid parameter.Type: GrantFiled: August 20, 2010Date of Patent: March 17, 2015Assignee: Hewlett-Packard Indigo B.V.Inventors: Elliad Silcoff, Eyal Bachar, Kobi Shkuri, Nava Klein
-
Patent number: 8727513Abstract: A system for automatic cleaning in a liquid ink printing system includes an ink tank, a pump which is configured pump a carrier liquid from the ink tank as a pressurized carrier liquid flow. A filter is configured to remove particulates from the pressurized carrier liquid flow to produce a filtered carrier liquid flow. A sprayer is configured to receive the filtered carrier liquid flow and spray the filtered carrier liquid flow into an interior of the ink tank. The pump recirculates the filtered carrier liquid flow through the filter and the sprayer. A method for automatic cleaning in a printing system is also included.Type: GrantFiled: October 31, 2012Date of Patent: May 20, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Eyal Bachar, Albert Teishev, Kobi Shkuri
-
Publication number: 20140105648Abstract: A method of maintaining a photoconductive member of a liquid electrophotography printing apparatus (LEP) is disclosed. The method includes storing a fluid having at least fluid particles and a carrier liquid in a fluid chamber and removing at least a portion of the fluid particles and the dissolved materials from the fluid through adsorption by filtration material disposed within a filtration assembly to form a filtered fluid. The method also includes maintaining the photoconductive member by periodically applying the filtered fluid to the photoconductive member and removing the filtered fluid and fluid residue therefrom.Type: ApplicationFiled: January 21, 2011Publication date: April 17, 2014Inventors: Eyal Bachar, Kobi Shkuri, Elliad Silcoff, Yoram Sorek, Yossi Cohen, Nava Klein, Doron Schlumm