California Institute of Technology

How a Modern Camera Sensor Captures Light and Converts It to Data

This patent describes a camera sensor technology that combines light-capturing elements with a special circuit to read out the image data quickly and efficiently, all on a single chip.

How Wearable Tech Uses 3D Sound to Guide Visually Impaired People

A system that builds a 3D map of the world and uses spatial audio to act as a virtual guide, helping visually impaired users navigate around obstacles.

How Hopfield Networks Use Resistors to Mimic Brain-Like Memory

A foundational patent describing an electronic circuit that uses a grid of resistors to perform computations, effectively creating an artificial neural network that can store and recall patterns.