Digital Commons Network^™

Electronics Cooling Technology Based On Direct Evaporation

Defensive Publications Series

Methods and systems, including computer programs, for a cooling system that uses vapor compression, passing refrigerant through a compressor and a condenser and delivering the condensed refrigerant directly to a heat source. Prior to reaching the heat source, the refrigerant is passed through a pressure reduction system that allows for all of the refrigerant to be routed through the system at ambient temperature with no heat loss. After its expansion, the refrigerant drops in temperature and absorbs heat directly from the heat source to evaporate. This is in contrast to contemporary systems which perform vapor compression on a secondary coolant—typically …

Detecting Heatsink Types For Socketed Processors, Scott Faasse, Kevin M. Cash

Defensive Publications Series

Servers often are designed to support a socketed processor in order to allow the end user the ability to customize their compute solution for their needs. Server processor vendors offer a variety of different processor models that can be installed. These various processor models can have differing technical specifications that include core count, cache size, operating frequency limitations, memory capacity, as well as power and thermal cooling requirements. An individual server design could easily support a range of processor models from those that have few cores, providing low performance, all the way up to dozens of cores that providing high …

Detachable Cushions For Heavy Server/Storage Enclosures, Clarence Ma, Andy Charles

Defensive Publications Series

A cushion design that allows service representatives, end users, and manufacturing partners to move the server/storage enclosure, fully populated, out of the packaging without manually lifting the server/storage enclosure.

The new design will allow manufacturing partners to leave all assemblies installed, reducing the manufacturing processing time/costs and reducing risks of shipping errors. In addition the new design will save the need for additional packaging and shipping costs. In prior designs, assemblies needed to be removed and shipped in separate packaging.

A proof of concept was completed with field installation and manufacturing contacts. The results were very positive. The product could …

Artificial Intelligence Based Personal Assistant For Handling Phone Calls, Manikandan Gopalakrishnan

Defensive Publications Series

When making calls to business entities, an individual often needs to navigate a menu of choices using the phone keypad until a desired option is found. If the desired choice requires speaking with a human, the individual may further need to wait on hold until someone is available to answer the call, thus wasting time. In the case of incoming calls, the number of the calling party may be unknown or blocked. Many such calls are from automated systems used for telemarketing. The techniques of this disclosure describe an Artificial Intelligence (AI) based personal assistant for handling incoming and outgoing …

A Firmware-First, Early Warning System To Detect Performance Anomalies And Provide Actionable Insights In User-Visible Interfaces, Srinivasan Varadarajan Sahasranamam, Sandeep S Yelandur

Defensive Publications Series

Application performance can be affected adversely due to many reasons. Some of these sources of performance degradation remain hidden from user visibility due to their very nature of occurrence, such as misconfigured hardware or firmware settings, or a faulty piece of hardware that is designed to keep the system functional, albeit on a reduced horsepower. Prevalent monitoring approaches rely on such performance degradations having persisted in the platform before they can be acted upon. In this paper, we propose a novel, “firmware-first”, rules-based approach for early detection of performance anomalies, both during the boot process and at runtime (where the …

Noise Suppression Design For Notebook Computer (Nb), Hp Inc

Defensive Publications Series

An active dynamic anti‐vibration/noise suppressing control subsystem to enable lighter and

thinner notebook computer to produce higher performance with low noise level.

Microcontroller intelligent algorithm autonomously control close loop monitoring vibration

sensors and exciting of vibration devices, e.g. Piezoelectric or Linear Resonant Actuator to

continuously mitigate vibration/noise level. The lower system vibration/noise floor allows

enabling faster fan speed and higher efficiency power profile to produce higher overall

performance and improve user experience with system noise under increased system

loading operations.

Piezoelectric Finfan Cooling System For Notebook Computer (Nb), Hp Inc

Defensive Publications Series

Integration of Fin and Piezoelectric Vibration Fan(FinFan) to force air flow for cooling notebook computer is

proposed. The air flow is forced through the flexible‐stretchable material, where the piezoelectric element

is placed on. Example of the system module for cooling notebook computer is illustrated.

The ultra‐compact piezoelectric FinFan that is thin enough to be installed in the gaps between parts, and to

develops a high enough pressure to generate sufficient flow rate within the narrow gaps found in densely

packed electronics. There is no compression concern as there is no running axial motor like normal blower

does.

Assistance Tailored To User Mood, Sandro Feuz, Yannick Stucki, Jorim Jaggi, Adrian Roos

Defensive Publications Series

User interaction with assistive devices and applications often includes use of speechbased interfaces where contents of the user’s speech serve as input. However, in real-life human conversations, people often use additional information beyond the content of speech, such as tone, pace, etc., to infer attributes of the speaker’s emotional state and intention, and make nuanced adjustments to the style and content of their own speech. With user permission, the techniques of this disclosure build and utilize a machine learning model to infer mood based on an analysis of user speech. The inferred mood information is then applied to tailor the …

Envelope Encryption To Protect Disgnostic Log Files, Hp Inc

Defensive Publications Series

This disclosure describes a method to protect diagnostic files against being read by unauthorized parties.

Using this method, a public key can be stored on the device and used to encrypt diagnostic files, which

can then only be read using the corresponding private key. This approach could be extended to protect

any files generated by a device during transit to an authorized party.

Improvement For Mono Printer's Invoice Copying, Hp Inc

Defensive Publications Series

A method for improving the invoice copying’s image quality is disclosed. This method involves

the image binarization algorithm optimization.

Method For A Graphical User Interface To Aid An Administrator In Creating Programs That Interact With A Device Via An Application Programming Interface, Jay Johnston, Magnus Mortensen, David White

Defensive Publications Series

An Application Programming Interface (API) Workflow Recorder is described herein which enhances the human Graphical User Interface (GUI) of a device to directly expose the programmatic methods that can be used to make changes to the device. An administrator may enable the API Workflow Recorder, make changes to the device using familiar point-and-click workflow in the GUI, and then generate a programmatic script for a machine that uses API calls to accomplish the same tasks that were just performed in the GUI, but using the API for the device. This system greatly improves the speed and accuracy for creating offline …

Human-Style Text Parsing System, Bokai Chen, Xin Guan

Defensive Publications Series

The present disclosure relates to a text parsing system and related method for accurately parsing the content of text in messages and providing an output that can be used by various systems including systems used to detect spam and advertising content. The text parsing system can include a computing system that can parse the content of text (e.g., using a computing system including a machine-learned model or a rules based text parsing system) and provide an output including a list of potential parsed words along with associated word types, language, and confidence of word matching. Furthermore, the text parsing system …

White Printhead Presence Detection While Installed In A Rotative Device By Detecting The Displacement Of The Cap Using A Switch, Hp Inc

Defensive Publications Series

It is known that White ink requires to be in continuous movement to avoid pigment deposition.

Sometimes, customer needs to keep the White printheads out of the carriage. As they cannot be just

stored in a shelf, a PH wheel has been created to keep the Printheads in constant movement and,

therefore, the pigment properly dispersed.

The printer needs to know that the Printheads are in the Wheel while they are not in the carriage, so a

sensor in the wheel is required to check it. As the Wheel is constantly rotating, this invention proposes

to use the change on …

A Method To Print On The Best Printer, Hp Inc

Defensive Publications Series

Modern Printers provide myriad finishing options such as duplex, punch and staple etc. for a printed document.

Typically, the printer driver residing on the print client provides convenience for the user to provide only the IP

address/hostname of a printer to connect to it. This convenience comes with challenges such as when a user intends

to print duplex but has an installed printer that doesn’t support automatic duplex mode. This might force user to

manually re‐enter the page printed on one‐side to the printer’ input tray to get the other side printed as well. At the

same time, the printer …

Self-Managed Speech Therapy, Dimitri Kanevsky, Sagar Savla, Thad Starner

Defensive Publications Series

Speech defects are typically addressed by having the patient or learner undergo several sessions with speech therapists, who apply specialized therapeutic tools. Speech therapies tend to be expensive, require the scheduling of appointments, and do not lend themselves easily to self-paced self-improvement.

This disclosure presents techniques that automatically provide speech-improvement feedback, thereby enabling self-managed speech therapy. Given a speech utterance by a user, the techniques cause display of a sequence of images of speech-organ positions, e.g., tongue, lips, throat muscles, etc., that correspond to the actual utterance as well as a targeted, ideal utterance. Further phonetic feedback is provided to …

Automatic Denormalization Of Databases, Karthik Ravi Shankar, Gurunathan Nagarajan

Defensive Publications Series

Normalization is a technique in databases to eliminate data redundancy or inconsistent dependency. Normalizing is achieved by dividing larger tables of a database into smaller ones and defining relationships between them. Normalization can yield performance gains, such as improved response times, but only to an extent. Highly normalized databases are not performance optimal. Optimal database performance is often obtained at a sweet spot between optimizing sizes of individual tables and the number of tables. A highly normalized database is therefore often denormalized to improve performance. Traditionally, denormalization is driven by user or developer intuition.

This disclosure describes a machine-learning model …

Detection Of Deadlocks And Race Conditions In Computing Systems, Karthik Ravi Shankar

Defensive Publications Series

A race condition is a phenomenon wherein the output of an electronic device or computer process (thread) depends on the relative timing of events outside the control of the process or device. A deadlock is a state in which multiple computing processes that share a common resource are stalled due to the processes mutually locking each other out of access to the resource. Deadlocks and race conditions are difficult bugs to detect, or even reproduce for debugging.

This disclosure presents techniques that detect deadlocks and race conditions using machine-learning models to analyze the control flow graph of a program. Predictions …

User Interface For Input With Switches Using Machine Learned Huffman Codes, Etienne J. Membrives

Defensive Publications Series

Users with special circumstances, such as limited mobility or physical strength, are often unable to utilize the normal keyboard of a device. To overcome these difficulties, these users utilize alternative mechanisms for typed input, such as a mouse, trackpad, switches, buttons, etc. These mechanisms operate by mapping the full set of possible inputs onto a limited number of buttons, which makes their use cumbersome and slow. This disclosure utilizes Huffman coding to optimize the encoding of a large set of symbols into a set of codewords based on the probability of use of each symbol, calculated via a trained machine …

Managing Unknown-Unknowns In Cyber-Security, David A. Maluf

Defensive Publications Series

Techniques are described herein for managing unknown-unknowns in cyber-security. Trust degradation is a precursor index to failure. The use cases of scoring the trust degradation in a system span to almost every aspect in networking, edge and cloud included. A well devised Trust Evaluation Function (TEF) will cover many use cases: for example (1) better and adaptive private key management (e.g., re-keying); (2) better and adaptive end user experience password management and its fine grain monitoring in a data center; (3) better and adaptive digital asset certifications; (4) troubleshooting; and (5) real-time scalability and risk assessment for extremely large network, …

Intelligent Telemetry Driven Network, Ashish Ravindranathan, Abhijith B.R, Rajesh Kumar Madabhattula, Sunil C

Defensive Publications Series

By streaming real-time Optical Transport Network (OTN) and optical performance parameters from network devices using telemetry, the values of the next few intervals may be forecasted. Proactive alerts may be provided to the users and corrective action may be taken if the user chooses. Possible impact to millions of users riding the system may thereby be avoided. This provides a seamless experience to the users.

Automatic Local Time Conversion In Text Chats And Messengers, Alex Zverev

Defensive Publications Series

Converting time across multiple time zones may be a challenge for members of a global team. To address this issue, techniques are described herein to cause user(s) in various time zones to see the local date and time in addition to the original date and time specified in a message from a sender. The message may be sent in a one-to-one or group chat, and may mention a time in any time zone. This improves efficiency and avoids confusion during collaboration within a global team.

Same User Vs. Different User Detection, Christopher Branson, Adam Champy

Defensive Publications Series

The technology relates to detecting whether a pair of wireless earbuds are being worn by the same person or two different persons. Doing so may include detecting a signal from a sensor in each of the two wireless earbuds, finding a correlation between the signals from the two wireless earbuds, and determining, based on the correlation, whether the two wireless earbuds are being worn by a same person, or by two different persons. Based on this determination, a setting of one or both of the wireless earbuds may be adjusted, such as audio broadcasting, noise cancellation, and/or language settings.

Automatic Fusing Lamps Cleaning For 3d Printer, Hp Inc

Defensive Publications Series

In a powder-based additive manufacturing system, a heated wiper

automatically cleans powder off the quartz glass cover of a fusing lamp.

Reporting A Printable Box With Restricted Zones, Hp Inc

Defensive Publications Series

In this paper we present a method to report a Printable Box with restricted zones from a 3D Printer,

so that the pre-print SW should not add content to the restricted zones despite they are defined

inside the Printable Box of the printer.

Achieving Higher Resolution With Thermal Sensors, Hp Inc

Defensive Publications Series

3D Multifusion technology is based on selective powder material fusion. In terms of temperature, this

fusing process is developed in two different stages.

In a first stage a subsystem called top heating is in charge of maintaining a homogeneous temperature

over the whole print bed, temperature should be held close to the powder material fusing threshold. To

achieve this infrared sensor cameras may be used to provide feedback to the lamp controller trying to

meet required irradiance level.

In a second stage after selectively applying fusing agents over the new layer a subsystem called fusing

lamps attached to the printing …

Masking With Balanced Pairing, To Enhance Robustness And Link Coverage By Printmode, Hp Inc

Defensive Publications Series

The method described below allows the possibility to use extra-fluid Latex printhead trenches uniformity,

keeping stable the firing frequency and optimizing the nozzle usage.

Some pritheads include two trenches firing the same fluid, but each trench is independent. In order to fire

one image using both trenches, the need arises to use a half density mask to eject drops. These masks

must be complementary each other. It is known as pairing.

This solution defines the strategy of pairing to ensure the firing frequency control according to the

printmode speed.

Mechanism To Avoid Misplacement Of De-Caking Box In 3d Printing Machines, Hp Inc

Defensive Publications Series

Performing the de-caking process of a powder-based 3D printer in a separate

independent box enables a 3D printer to operate with high throughput

Thermal Improvement Solution By Inlet Outflow Increased Piston, Hp Inc

Defensive Publications Series

The inlet airflow is limited by ID shape. Thermal engineer was struggled the number of

holes for thermal air outlet and inlet. This disclosure provides a solution which increases

the room from D cover to a table surface. The disclosure uses one piston installed inside a

rubber foot. When the thermal sensor detects the temperature over heat, the piston lifts

the notebook pc to let more air inlet the thermal system.

Pen Attachment Mechanism, Hp Inc

Defensive Publications Series

This pen attachment mechanism uses pen holder with clip mechanism (non metal material) to

mount on exist hole on PC, such as K‐lock, I/O connectors. The clip of holder is elastic and can be

fastened on hole/connectors by temporary deformation, the deformation magnitude will be limited

after the pen is attached, that means the pen holder is fixed and can’ be taken apart until the pen is

detached.

Extended Spi Bus, Leonid Lobachev

Defensive Publications Series

Serial peripheral interface (SPI) is a protocol that enables low-level machine communication between electronics subsystems, e.g., microcontrollers, peripherals, etc. In applying SPI to communications between devices of substantially differing performance characteristics, e.g., clock frequency, memory capacity, or response time, the original SPI has some disadvantages. For example, due to the streaming nature of SPI communication, errors are not detected; due to differing clock frequencies at two ends, synchronization is difficult; due to differing memory capacity at two ends, the buffers of the end with less memory overflow; etc.

This disclosure describes an extension to SPI that features synchronization signaling and …