公开(公告)号：US10786171B2

公开(公告)日：2020-09-29

申请号：US16343865

申请日：2016-10-25

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Ning Ge ,  Ralph A. Morales ,  Terrance J. OShea ,  Helen A. Holder ,  David George ,  Hafid Hamadene

IPC: A61B5/04 ,  A61B5/0432 ,  A61B5/0408 ,  G11C13/00 ,  A61B5/00

Abstract: One example of a device includes a sensor, a memristor code comparator, and a controller. The sensor is to provide a sensor signal. The memristor code comparator is to compare the sensor signal to a reference signal. The controller is to determine a status of the sensor signal based on the comparison.

公开(公告)号：US10724959B2

公开(公告)日：2020-07-28

申请号：US15764322

申请日：2015-11-13

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Ning Ge ,  Steven Barcelo ,  Anita Rogacs ,  Helen A Holder

IPC: G01J3/44 ,  G01N21/65 ,  G01N27/22 ,  G01N33/04 ,  G01N21/64 ,  G01N1/44 ,  B01L3/00 ,  G01N33/22

Abstract: In an example implementation, a substance detection method includes sensing for fluid in a chamber of a substance detection device. When fluid is sensed in the chamber, the method includes sensing again for fluid in the chamber. When no fluid is sensed in the chamber, the method includes initiating a substance detection process.

公开(公告)号：US10712280B2

公开(公告)日：2020-07-14

申请号：US16098067

申请日：2016-07-22

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Ning Ge ,  Robert G. Walmsley ,  Helen A. Holder ,  Steven J. Simske ,  Anita Rogacs ,  Viktor Shkolnikov

IPC: G01N21/65 ,  B82Y15/00

Abstract: A gas conduit directs a flow of gas from a gas flow source. A surface enhanced luminescence (SEL) stage is within the conduit and includes a substrate and nano fingers projecting from the substrate. A heater heats the nano fingers to a temperature so as to soften the nano fingers such that the nano fingers collapse towards each other to capture molecules entrained in the gas therebetween.

公开(公告)号：US10648916B2

公开(公告)日：2020-05-12

申请号：US16076344

申请日：2017-01-31

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Ning Ge ,  Viktor Shkolnikov ,  Anita Rogacs ,  Steven J. Simske

IPC: G01J3/44 ,  G01N21/65 ,  B82Y15/00 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00

Abstract: A surface enhanced luminescence (SEL) sensor may include a substrate and nano fingers projecting from the substrate. The nano fingers may include a nano finger extending along an axis. The nano finger may include a plasmonically active cap and a pillar supporting the plasmonically active cap. The pillar may have an asymmetric material composition with respect to the axis.

公开(公告)号：US10576748B2

公开(公告)日：2020-03-03

申请号：US16317362

申请日：2016-10-07

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Ning Ge ,  Chien-Hua Chen ,  Michael W. Cumbie

IPC: B41J2/175 ,  B41J2/195 ,  G01F23/24 ,  G01F23/00

Abstract: A fluid reservoir (101) includes a number of electrode pairs disposed within the fluid reservoir. Each of the electrode pairs includes a number of sensing electrodes (103), and a number of electrical traces (105) wherein the sensing electrodes are coupled to a respective one of the electrical traces. The fluid reservoir also includes a common electrode (104) electrically coupled to a voltage source (106). A number of properties of a fluid (110) within the fluid reservoir are detected by applying a voltage between the sensing electrodes in an electrode pair, and a level of the fluid within the fluid reservoir is detected by applying a voltage between the electrodes and the common electrode. A multiplexer (102) may be used to selectively couple the sensing electrodes (103) to a processing device (108). The fluid reservoir may be a printing fluid container.

公开(公告)号：US10466177B2

公开(公告)日：2019-11-05

申请号：US15772493

申请日：2016-02-28

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Ning Ge ,  Viktor Shkolnikov ,  Anita Rogacs ,  Paul J. Benning

IPC: G01N21/64 ,  G01N21/65 ,  G01N21/17

Abstract: A sample comprising a first substance and a second substance is modified by breaking down molecular bonds of the second substance of the sample to form a modified sample having altered surface enhanced luminescence (SEL) characteristics to reduce overlapping of SEL characteristics of the first substance in the second substance. Surface enhanced luminescence data resulting from excitation of the modified sample is collected. Characteristics of the first substance based upon the collected surface enhanced luminescence data are identified.

公开(公告)号：US10403362B2

公开(公告)日：2019-09-03

申请号：US16255361

申请日：2019-01-23

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Boon Bing Ng ,  Thida Ma Win ,  Ning Ge ,  Jose Jehrome Rando

IPC: G11C16/06 ,  G11C16/14 ,  G11C8/12 ,  G11C16/08 ,  B41J2/175 ,  G11C19/28 ,  G11C19/00

Abstract: A split memory bank may comprise a number of memory matrices forming a memory bank and a shift register in which the shift register physically separates the matrices. An integrated circuit may comprise a number of shift registers and a plurality of memory matrices forming a memory bank in which the matrices are spatially separated by the shift register. An integrated printhead may comprise a number of memory banks each comprising a plurality of memory matrices and a number of shift registers in which each shift register spatially separates a number of the matrices.

公开(公告)号：US20190220592A1

公开(公告)日：2019-07-18

申请号：US16329467

申请日：2016-09-09

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Lei Liu ,  Ning Ge ,  Steven J. Simske ,  Helen A. Holder

IPC: G06F21/55 ,  G06F21/32 ,  H04L29/06

CPC classification number: G06F21/552 ,  G06F21/31 ,  G06F21/32 ,  G06F21/50 ,  G06F21/55 ,  H04L29/06836

Abstract: Examples associated with user authentication are described. One example method includes authenticating a user of a device using a static authentication technique. A behavior profile associated with the user is loaded. The behavior profile describes a pattern of device usage behavior by the user in a three-dimensional space over a time slice. The behavior profile also identifies distinctive user habits. Usage of the device is monitored, and a behavior similarity index is periodically updated. The behavior similarity index describes a similarity between the usage of the device and the pattern of device usage behavior. The behavior similarity index is weighted based on the distinctive user habits. Access to the device is restricted when the behavior similarity index reaches a predefined threshold.

公开(公告)号：US20190170650A1

公开(公告)日：2019-06-06

申请号：US16098058

申请日：2016-07-21

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Ning Ge ,  Anita Rogacs ,  Steven J. Simske ,  Milo Overbay ,  Viktor Shkolnikov

IPC: G01N21/65

Abstract: A surface enhanced Raman spectroscopy (SERS) sensor may include a nano structured surface and a nonstoichiometric oxide layer. The nano structured surfers may include a first peak, a second peak and a valley between the first peak and the second peak. The non-stoichiometric oxide layer may include a first portion on the first peak and a second portion on the second peak.

公开(公告)号：US20190156892A1

公开(公告)日：2019-05-23

申请号：US16255361

申请日：2019-01-23

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Boon Bing Ng ,  Thida Ma Win ,  Ning Ge ,  Jose Jehrome Rando

IPC: G11C16/06 ,  G11C19/28 ,  B41J2/175 ,  G11C8/12 ,  G11C16/08

CPC classification number: G11C16/06 ,  B41J2/17546 ,  G11C8/12 ,  G11C16/08 ,  G11C19/00 ,  G11C19/28

Abstract: A split memory bank may comprise a number of memory matrices forming a memory bank and a shift register in which the shift register physically separates the matrices. An integrated circuit may comprise a number of shift registers and a plurality of memory matrices forming a memory bank in which the matrices are spatially separated by the shift register. An integrated printhead may comprise a number of memory banks each comprising a plurality of memory matrices and a number of shift registers in which each shift register spatially separates a number of the matrices.