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Patent Agency Ranking
公开(公告)号：US20240383703A1
公开(公告)日：2024-11-21
申请号：US18690645
申请日：2021-09-10
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Joseba ORMAECHEA SARACIBAR , Eduardo MARTIN ORUE , Jordi ALBERT GINE , German ORTEGA DE MINGO , Rafael ULACIA PORTOLES , Marc BENAZET BLANES , Felix RUIZ MARTINEZ , Javier ONECHA CELESTINO
Abstract: According to an example, a roller assembly for media loading comprises a fixed frame, a plurality of parallel rollers that protrude from a bottom surface of the fixed frame, and a coupling member to mechanically coupled the fixed frame to a reference surface, wherein each roller of the plurality of rollers is rotatably coupled to the fixed frame and is movable with respect to the bottom surface of the fixed frame.
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公开(公告)号：US20190322101A1
公开(公告)日：2019-10-24
申请号：US16457549
申请日：2019-06-28
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Francisco GOMEZ , Rafael ULACIA PORTOLES , Laura PORTELA MATA , Jose Miguel FELGUERA
Abstract: There is disclosed a housing including a plurality of compartments for housing a plurality of LEDs or photo detectors. Each compartment has a number of control pads projecting inwardly and a number of protrusions. The control pads are configured to provide a contact surface for the LEDs or photo detectors to control the alignment and position of each of the plurality of LEDs or photodiodes within each of the plurality of compartments. Each of the protrusions urges each of the plurality of LEDs or photodiodes against the respective control pads to control the alignment of the LEDs or photodiodes in the housing. A detector array including a casing, an LED housing and a photodiode housing is also disclosed.
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公开(公告)号：US20240367931A1
公开(公告)日：2024-11-07
申请号：US18292795
申请日：2021-07-29
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Rafael ULACIA PORTOLES , Felix RUIZ MARTINEZ , Marc BENAZET BLANES
Abstract: According to an example, a media advance mechanism may comprise a movable assembly, a fixed assembly operatively coupled to the movable assembly, and an actuator to rotate the movable assembly with respect to the fixed assembly. The movable assembly may comprise a lateral guide extending along a length of the media path and a conveyor belt oriented towards the lateral guide, wherein the conveyor belt is to move a medium towards the lateral guide.
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公开(公告)号：US20210008902A1
公开(公告)日：2021-01-14
申请号：US16978094
申请日：2018-04-11
Applicant: Hewlett-Packard Development Company, L.P.
IPC: B41J11/00 , B29C64/393 , B41J25/308 , B33Y50/02
Abstract: Method and tools for sensing pen-to-reference space (PRS) are disclosed. Example removable pen-to-reference space (PRS) sensing tools for a printer comprise proximity sensors and a body. The body has a printer mounting portion, corresponding to a printhead mounting socket of the printer, and a sensor portion, hosting the proximity sensor.
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公开(公告)号：US20170368834A1
公开(公告)日：2017-12-28
申请号：US15542430
申请日：2015-01-30
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Alfonso CAMENO SALINAS , Joaquim BRUGUE GARVI , Jose Antonio LOPEZ ABANCENS , Rafael ULACIA PORTOLES
IPC: B41J2/175 , F16K7/17 , F16K15/14 , F16K31/126
CPC classification number: B41J2/17596 , B41J2/175 , B41J2/17553 , F16K7/17 , F16K15/147 , F16K31/1262
Abstract: In an example, a valve for a printing fluid supply system is disclosed. In this example, the valve includes two rigid shells to provide connections to a first printing fluid supply cartridge, a second printing fluid supply cartridge and a printhead. Further, the valve includes a diaphragm with sealing elements disposed between the two rigid shells to selectively couple one of the first printing fluid supply cartridge and the second printing fluid supply cartridge to the printhead and seal other printing fluid supply cartridge using the sealing elements.
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