HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Techniques for building three-dimensional metal objects layer-by-layer using metal powders, including powder bed fusion, binder jetting, and directed energy deposition. This theme encompasses process mechanics, equipment design, and operational control for AM systems.

Techniques and apparatuses for enabling specialized printing applications beyond standard color reproduction, such as forming toner images specifically for adhering foil onto sheets.

Mechanisms and methods for preventing or removing clogs, ink residue, or contaminants from printhead nozzles and surfaces to ensure consistent print quality and extend printhead lifespan.

Innovations in the design and arrangement of piezoelectric or thermal actuators, drive electronics, and fluidic structures within the printhead to achieve precise and efficient liquid ejection.

Systems and methods for controlling temperature within image forming apparatuses, particularly for fixing devices, and during printer operation or shutdown, to ensure optimal performance, energy efficiency, and component longevity.

Mechanisms and control systems for reliably feeding, conveying, and separating print media, including managing media roll changes, adjusting airflow, and adapting to different media characteristics.

Design aspects of user-replaceable cartridges or containers for printing consumables (e.g., ink, tape, labels) that facilitate easy installation, proper positioning, type identification, and reliable supply to the printer.

Systems and components for storing, delivering, circulating, and managing printing liquids (e.g., ink) to the printhead, often including features for pressure regulation, filtration, degassing, and balancing liquid levels.

Technologies for precisely controlling the timing and volume of liquid droplet ejection, and for real-time or post-ejection monitoring of droplet trajectory, velocity, and nozzle health to maintain print accuracy and quality.

Systems and methods for real-time sensing, modeling, and closed-loop control of additive manufacturing parameters to ensure part quality, consistency, and process efficiency. This includes thermal management, atmospheric regulation, and precise material deposition.

Mechanisms and sensors for accurately conveying, positioning, loading, and managing various types of recording media (e.g., paper, fabric, labels) through a printing apparatus, and detecting their presence, type, or potential collision.

Engineering solutions for creating electronic devices with bendable, foldable, or stretchable form factors, often involving hinges, flexible displays, and sliding mechanisms to enable dynamic physical configurations.

Systems and methods for maintaining and improving the quality of printed images, encompassing adjustments to developing bias based on environmental conditions, paper characteristic detection, and color profile generation.

Computational methods and design principles for generating optimized geometries, internal structures (e.g., lattices, minimal surfaces), or functional features that are specifically enabled or enhanced by the capabilities of additive manufacturing.

Miniaturized devices that manipulate small volumes of fluids (nanoliters to picoliters) through microchannels to perform laboratory functions like mixing, separation, reaction, and detection on a single chip.

Techniques for combining multiple materials or layers, often with specialized surface treatments, coatings, or assembly methods, to create functional or aesthetically enhanced plastic articles, including consumer goods and encapsulated electronics.

Techniques for rendering, interacting with, and managing content within augmented or virtual reality environments, including spatial tracking, gaze interaction, and dynamic multi-application display management.

Innovations in the chemical and physical properties of toner particles, including binder resins, waxes, colorants, and inorganic additives, to optimize performance, production, and environmental characteristics.

Advancements in the structure, materials, and electrical characteristics of electrophotographic photosensitive members, focusing on photosensitive layers, conductive supports, protection layers, and their impedance properties.

Methods and apparatus for improving the visual fidelity, resolution, or compression efficiency of video signals, often through advanced processing, up-scaling, or neural network-based filters.

Integration of additive manufacturing with subtractive manufacturing (e.g., machining, cutting) or other traditional processes within a single system or workflow to create parts with improved features, surface finish, or material properties, or to enable new manufacturing paradigms.

Techniques for efficiently supplying power to electronic devices, managing battery charge/discharge cycles, optimizing power consumption, and converting power between different voltage levels or AC/DC for improved energy efficiency and longevity.

Technologies that create dynamic and interactive visual content for displays, including virtual/wearable systems, by generating overlays, replacing input streams, or merging real-time user actions with digital environments.

Methods and systems for improving the quality of video streams, generating intermediate frames, or continuously locating and following objects within a sequence of images, even under occlusion.

Self-contained or modular devices designed to automate and integrate multiple steps of molecular diagnostic assays, from sample preparation to result interpretation, often for point-of-care or high-throughput applications.

Designing user interfaces and interaction methods specifically for mobile or wearable devices, enabling control of external systems, monitoring user states, or facilitating real-world transactions.

Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.

Methods and materials used to construct robust and protective enclosures for electronic devices, focusing on structural integrity, impact resistance, thermal dissipation, and specialized material properties for enhanced durability.

Systems and components designed for precise, automated manipulation, transfer, and dispensing of liquid samples and reagents, often involving pipettes, robotic arms, and specialized sample containers.

Systems and methods for authenticating users, devices, or applications, authorizing their access to resources based on policies, and managing digital identities across various platforms.

Safety features and interlock mechanisms designed to prevent hazards during printer operation or maintenance, such as automatic power cut-offs for heating elements when access covers are opened.

Apparatus and methods for precisely controlling temperature profiles (heating, cooling, incubation) within laboratory reaction vessels or modules to optimize biochemical processes like gene amplification or protein assays.

Systems that combine data from multiple camera sensors or capture multiple images from different perspectives or qualities, often involving image processing techniques like synthesis to create enhanced or comprehensive views.

Processes for creating or manipulating three-dimensional digital representations of objects or environments, including mesh generation, surface fitting, and depth estimation from multiple views.

Mechanisms to facilitate the secure exchange of data between different entities or systems while enforcing usage policies, managing digital content rights, and ensuring data consistency during replication or transfer.

Techniques for protecting data at rest or in backup, ensuring its integrity, confidentiality, and verifiable origin, often involving encryption, unique identifiers, or secure repositories.

User interface designs and systems that enable multiple users to interact with shared content, provide feedback, or coordinate activities, often across different devices or locations.

Methods and components for converting power into mechanical motion to drive pump mechanisms, encompassing electric motors, hydraulic actuators, and specialized motion converters like ball screws or solenoids.

Methods and systems for displaying complex data in three-dimensional graphical formats, allowing users to manipulate, explore, and derive insights from the data through interactive controls.

Techniques and hardware architectures designed to efficiently generate and display complex 3D graphics, particularly for interactive applications like virtual reality, focusing on speed and visual quality.

Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.

Techniques for combining data from disparate sensor types (e.g., cameras, radar, mobile device signals) to achieve a more robust and comprehensive understanding of an environment or subject, often leveraging machine learning for interpretation and correlation.

Development and processing of metal powders with specific magnetic properties, including soft magnetic alloys, permanent magnet materials, and insulated powders for electronic components, often involving precise control of particle size, morphology, and composition.

Techniques utilizing deep learning models like Generative Adversarial Networks (GANs) or diffusion models to create new images, modify existing ones, or generate synthetic data based on various inputs or conditions.

Specialized hardware, architectural designs, and computational methods to improve the speed, efficiency, and security of artificial intelligence and machine learning model execution, particularly for inference and data processing.

Production of materials where properties vary continuously or discontinuously through the volume, often achieved by combining different powders or applying specialized coatings like thermal sprays to enhance surface hardness, wear resistance, or thermal properties.

Applying artificial intelligence and machine learning techniques to enhance cryptographic systems, such as generating encryption models, improving zero-trust architectures, or enabling privacy-preserving computations like federated learning.

Techniques and hardware for autonomous systems to gather and interpret data about their surroundings, including obstacle detection, object recognition, and depth estimation, to inform control decisions.

Devices and systems designed for the cultivation of cells or tissues, often incorporating three-dimensional structures or controlled interfaces to mimic in-vivo environments for biological research or production.

Methods and tooling for forming structural components from fibrous materials impregnated with resin, involving processes like prepreg handling, resin infusion, and co-bonding during curing.

Utilizing machine learning, particularly deep learning, to analyze medical data such as images, sensor readings, or physiological signals for disease prediction, diagnosis, or treatment assessment.

Development and optimization of novel neural network layers or architectures specifically designed to improve performance or efficiency for computer vision tasks.

Methods and equipment for continuously shaping plastic materials by forcing them through a die, often involving screw extruders, heating elements, and downstream calibration.

Processes involving the application of heat and pressure to shape thermoplastic or elastomeric materials, often using molds or presses, to achieve specific forms or material properties.