Keyboard charging system recycles light, absorbs ambient light

The USPTO has published a patent application from Dell Products L.P. for a keyboard charging system that recycles illumination passing through the LCD and absorbs ambient light to charge a battery. The application, filed on September 23, 2024, describes a photovoltaic panel integrated into the keyboard.

Patent Application for Signal Transmission Circuit

The USPTO has published a new patent application, US20260088217A1, detailing a signal transmission circuit between substrates. The application, filed on November 14, 2024, describes a method for wirelessly transmitting signals via electromagnetic coupling between two substrates.

Coil Component Patent Application by DAI NIPPON PRINTING

The USPTO has published a patent application (US20260088213A1) filed by DAI NIPPON PRINTING CO., LTD. The application describes a coil component, its manufacturing method, and related power transmission systems. The filing date was September 4, 2023.

USPTO Patent Application for Charging-Discharging Apparatus

The USPTO has published a patent application (US20260088274A1) for a charging-discharging apparatus and its control method. The application, filed on September 24, 2025, describes a system that individually adjusts airflow based on temperature measurements in battery arrangement regions.

USPTO Patent: Power Grid Plug-and-Play Auto-Discovery Techniques

The USPTO has published patent application US20260087565A1 detailing plug-and-play techniques for auto-discovery and configuration of intelligent electronic devices in power grids. The patent, assigned to GE Infrastructure Technology LLC, focuses on methods for device address determination, authentication, and data management within power substations.

Energy Accounting System Manages, Certifies Energy Transactions via Ledger

The USPTO has published a patent application for an energy accounting system that manages and certifies energy transactions using a ledger. The system aims to track energy through cryptographic certificates and generate reports for sustainability compliance.

Patent Application for Vehicle Rotating Part Measurement Assembly

The USPTO has published a new patent application, US20260085953A1, detailing a measurement assembly for determining characteristics of rotating parts in vehicle systems. The application was filed on September 23, 2025, by inventors from Sweden.

Patent Application: Keyboard Keys with Photovoltaic Panels

The USPTO has published a patent application (US20260086653A1) for keyboard keys featuring integrated photovoltaic panels designed to charge the keyboard battery using ambient light. The application was filed by Dell Products L.P. and includes provisions for key value markings and backlighting.

Optical power transport coupler and alignment unit patent application

The USPTO has published a new patent application, US20260086299A1, for an optical power transport coupler and alignment unit. The application details a coupler assembly designed to connect an optical fiber cable to an optical power transport system, featuring a housing with a vacuum chamber and a lens to collimate a laser beam.

Patent Application: EIS Measurement Apparatus and Battery System

The USPTO has published a patent application (US20260086163A1) for an electrochemical impedance spectroscopy (EIS) measurement apparatus and method, and a battery system. The application details a system for performing EIS measurements on battery cells during AC discharge, allowing for continuous impedance measurement even if a node voltage line is disconnected.