Patents by Inventor Alejandro Mielgo
Alejandro Mielgo 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).
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Patent number: 11845284Abstract: Disclosed herein is a print head maintenance cartridge, a printing device and a method of controlling a wiping subsystem of a print head maintenance cartridge. The print head maintenance cartridge comprises a wiping subsystem with a wiping material to wipe a print head; a clean material roll, wherein a clean part of the wiping material is rolled up on the clean material roll at least in part; a brake to generate a first brake force applied to the wiping material; and a friction element to generate a second brake force applied to the wiping material, wherein the friction element compensates at least in part a change in the first brake force to control a total brake force, wherein the total brake force is the sum of the first and second brake forces.Type: GrantFiled: December 20, 2018Date of Patent: December 19, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Santiago Forcada Pardo, Javier Deocon Mir, Alejandro Mielgo Barba
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Publication number: 20230373217Abstract: It is herein disclosed a waste printing fluid collection unit that may be part of a servicing station and/or a printing system, the waste printing fluid collection unit comprising; a collection reservoir for collecting the waste printing fluid, the collection reservoir having an end wall that separates the collection reservoir from ambient air; and a wick extending from the end wall towards the reservoir; wherein the wick is on a first side, connected to the end wall and, on a second side extends into the reservoir to contact the waste printing fluid.Type: ApplicationFiled: October 7, 2020Publication date: November 23, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Jeffrey L. THIELMAN, Alejandro MIELGO BARBA
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Publication number: 20230114087Abstract: Disclosed herein is a print head maintenance cartridge, a printing device and a method of cleaning a print head. The print head maintenance assembly comprises a maintenance cartridge that is movable along a first direction and a wiper assembly comprising a wiper element for wiping a print head. The wiper element extends along the first direction. The maintenance cartridge comprises a guide rail extending along the first direction. The guide rail is to engage with the wiper assembly to adjust a position of the wiper element depending on a relative position between the maintenance cartridge and the wiper assembly in the first direction.Type: ApplicationFiled: March 17, 2020Publication date: April 13, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Jeffrey L. THIELMAN, Alejandro MIELGO BARBA
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Patent number: 11407235Abstract: The present disclosure relates to vinyl substrate printing. In an example, a vinyl printing apparatus is disclosed wherein the apparatus comprises a media path to convey a vinyl substrate along a feed direction from a substrate supply to a print zone; an inkjet printhead to print on the print substrate at the print zone; and a heater upstream of the print zone to heat the print substrate to evaporate a plasticizer from a surface of the print substrate.Type: GrantFiled: June 25, 2018Date of Patent: August 9, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Josep Maria Cuner Utges, Aleix Fort Filgueira, Alejandro Mielgo Barba
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Patent number: 11376856Abstract: A cartridge for a printing system comprises a receptacle to receive waste printing material from the printing system, a floater to change its position based on a varying filling level of the waste printing material in the receptacle, and a flag mechanically coupled to the floater, wherein a position of the flag depends on the position of the floater and indicates, outside of the receptacle, the filling level.Type: GrantFiled: December 7, 2018Date of Patent: July 5, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Santiago Forcada Pardo, Alejandro Mielgo Barba, Jeffrey Thielman
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Patent number: 11307514Abstract: There is provided a method and apparatus for monitoring conditioning of a rendering material in a storage structure, where the storage structure comprises a passive transceiver. The passive transceiver may generate a varying response signal where a strength of the varying signal can be monitored and used to determine a pre-conditioning parameter indicative of a condition of the storage structure.Type: GrantFiled: June 15, 2018Date of Patent: April 19, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Aleix Fort Filgueira, Alejandro Mielgo, Michel Georges Encrenaz
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Publication number: 20220040984Abstract: Disclosed herein is a print head maintenance cartridge, a printing device and a method of controlling a wiping subsystem of a print head maintenance cartridge. The print head maintenance cartridge comprises a wiping subsystem with a wiping material to wipe a print head; a clean material roll, wherein a clean part of the wiping material is rolled up on the clean material roll at least in part; a brake to generate a first brake force applied to the wiping material; and a friction element to generate a second brake force applied to the wiping material, wherein the friction element compensates at least in part a change in the first brake force to control a total brake force, wherein the total brake force is the sum of the first and second brake forces.Type: ApplicationFiled: December 20, 2018Publication date: February 10, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Santiago Forcada Pardo, Javier Deocon Mir, Alejandro Mielgo Barba
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Publication number: 20210347177Abstract: A cartridge for a printing system comprises a receptacle to receive waste printing material from the printing system, a floater to change its position based on a varying filling level of the waste printing material in the receptacle, and a flag mechanically coupled to the floater, wherein a position of the flag depends on the position of the floater and indicates, outside of the receptacle, the filling level.Type: ApplicationFiled: December 7, 2018Publication date: November 11, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Santiago Forcada Pardo, Alejandro Mielgo Barba, Jeffrey Thielman
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Publication number: 20210331492Abstract: The present disclosure relates to vinyl substrate printing. In an example, a vinyl printing apparatus is disclosed wherein the apparatus comprises a media path to convey a vinyl substrate along a feed direction from a substrate supply to a print zone; an inkjet printhead to print on the print substrate at the print zone; and a heater upstream of the print zone to heat the print substrate to evaporate a plasticizer from a surface of the print substrate.Type: ApplicationFiled: June 25, 2018Publication date: October 28, 2021Inventors: Josep Maria Cuner Utges, Aleix Fort Filgueira, Alejandro Mielgo Barba
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Publication number: 20210187951Abstract: Disclosed herein is a spittoon cartridge for a printing device, a printing device and a method of controlling a spittoon cartridge. The spittoon cartridge comprises a waste tank to store material ejected from a print head; a transfer unit to transfer material ejected from the print head into the waste tank; and a floater movably arranged in the spittoon cartridge, wherein a position of the floater depends on a filling level of the waste tank and wherein the floater impedes transfer of material by the transfer unit if the floater reaches a predefined warning position.Type: ApplicationFiled: December 11, 2018Publication date: June 24, 2021Inventors: Santiago Forcada Pardo, Alejandro Mielgo Barba, Jeffrey Thielman
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Patent number: 11007784Abstract: With the purpose of providing an improved cleaning mechanism that accomplishes better results and that may be used in thermal and piezoelectric printing, it is dis-closed a method for cleaning a printhead comprising: moving a wiper along a plurality of nozzles of the printhead; and pressurizing the nozzles within the printhead, the pressurization of each nozzle causing ink to be expelled in an expelling direction; wherein a controller is to detect the position of the wiper and to selectively pressurize at least some of the nozzles for which the position of the wiper corresponds to its expelling direction.Type: GrantFiled: July 31, 2017Date of Patent: May 18, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Jordi Bas, Alejandro Mielgo
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Publication number: 20210103232Abstract: There is provided a method and apparatus for monitoring conditioning of a rendering material in a storage structure, where the storage structure comprises a passive transceiver. The passive transceiver may generate a varying response signal where a strength of the varying signal can be monitored and used to determine a pre-conditioning parameter indicative of a condition of the storage structure.Type: ApplicationFiled: June 15, 2018Publication date: April 8, 2021Inventors: Aleix Fort Filgueira, Alejandro Mielgo, Michel Georges Encrenaz
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Patent number: 10792923Abstract: Certain examples described herein relate to calibrating a cleaning element for a printhead. A print medium sensor is aligned with a nozzle plane of the printhead to detect displacement, during a print job, of a print medium out of the nozzle plane. Relative movement between the cleaning element and the printhead is enacted. During this movement, activation of the print medium sensor is detected. A reference position for the cleaning element is stored based on the detected activation.Type: GrantFiled: October 27, 2017Date of Patent: October 6, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventors: Francesc Tarrida Tirado, Marc Lupon Navazo, Alejandro Mielgo Barba
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Publication number: 20200247129Abstract: Certain examples described herein relate to calibrating a cleaning element for a printhead. A print medium sensor is aligned with a nozzle plane of the printhead to detect displacement, during a print job, of a print medium out of the nozzle plane. Relative movement between the cleaning element and the printhead is enacted. During this movement, activation of the print medium sensor is detected. A reference position for the cleaning element is stored based on the detected activation.Type: ApplicationFiled: October 27, 2017Publication date: August 6, 2020Inventors: Francesc Tarrida Tirado, Marc Lupon Navazo, Alejandro Mielgo Barba
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Publication number: 20200156378Abstract: With the purpose of providing an improved cleaning mechanism that accomplishes better results and that may be used in thermal and piezoelectric printing, it is dis-closed a method for cleaning a printhead comprising: moving a wiper along a plurality of nozzles of the printhead; and pressurizing the nozzles within the printhead, the pressurization of each nozzle causing ink to be expelled in an expelling direction; wherein a controller is to detect the position of the wiper and to selectively pressurize at least some of the nozzles for which the position of the wiper corresponds to its expelling direction.Type: ApplicationFiled: July 31, 2017Publication date: May 21, 2020Inventors: Jordi Bas, Alejandro Mielgo
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Publication number: 20200047497Abstract: Examples disclosed herein relate to a housing with a curved surface. In examples, the housing may receive a light source and a detector to detect a droplet passing through a light path between the detector and the light source. The housing may have a curved surface to align the detector and the light source within the housing.Type: ApplicationFiled: January 25, 2017Publication date: February 13, 2020Inventors: Alejandro MIELGO, Jose Francisco BRAVO, Jordi BAS
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Patent number: 10279592Abstract: In an example, a print apparatus may include a print head assembly and a maintenance cartridge. An example maintenance cartridge may include a wiper system. An example wiper system may include a web wipe and a plurality of independently biased members adjacent each other with respect to a width of the web wipe. Another example wiper system may include a plurality of bias members, a plurality of carriers coupled to the plurality of bias members, and a plurality of rollers coupled to the plurality of carriers and located along a width of a wiping area.Type: GrantFiled: February 23, 2018Date of Patent: May 7, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Oscar Moya Rojo, Alejandro Mielgo, Jordi Bas
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Patent number: 10035350Abstract: The present invention is directed at a printhead cleaning assembly, comprising: a frame; a wipe cartridge receptacle mounted on the frame, the receptacle being movable relative to the frame between a first receptacle position and a second receptacle position; a wipe cartridge fixing latch, mounted on the wipe cartridge receptacle, wherein the latch is movable between a closed position and an open position, wherein the latch is coupled to a lock/unlock mechanism that moves the latch between the closed position and the open position in response to a movement of the receptacle between the first receptacle position and the second receptacle position.Type: GrantFiled: February 23, 2018Date of Patent: July 31, 2018Assignee: Hewlett-Packard Development Company, L.P.Inventors: Francisco Gomez, Rafael Ulacia Portoles, Hector Gomez Minano, Alejandro Mielgo Barba, Jose Miguel Felguera
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Publication number: 20180178525Abstract: The present invention is directed at a printhead cleaning assembly, comprising: a frame; a wipe cartridge receptacle mounted on the frame, the receptacle being movable relative to the frame between a first receptacle position and a second receptacle position; a wipe cartridge fixing latch, mounted on the wipe cartridge receptacle, wherein the latch is movable between a closed position and an open position, wherein the latch is coupled to a lock/unlock mechanism that moves the latch between the closed position and the open position in response to a movement of the receptacle between the first receptacle position and the second receptacle position.Type: ApplicationFiled: February 23, 2018Publication date: June 28, 2018Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Francisco Gomez, Rafael Ulacia Portoles, Hector Gomez Minano, Alejandro Mielgo Barba, Jose Miguel Felguera
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Publication number: 20180178524Abstract: In an example, a print apparatus may include a print head assembly and a maintenance cartridge. An example maintenance cartridge may include a wiper system. An example wiper system may include a web wipe and a plurality of independently biased members adjacent each other with respect to a width of the web wipe. Another example wiper system may include a plurality of bias members, a plurality of carriers coupled to the plurality of bias members, and a plurality of rollers coupled to the plurality of carriers and located along a width of a wiping area.Type: ApplicationFiled: February 23, 2018Publication date: June 28, 2018Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Oscar Moya Rojo, Alejandro Mielgo, Jordi Bas