System for projecting content to a display surface having user-controlled size, shape and location/direction and apparatus and methods useful in conjunction therewith

This invention describes a system where you wear at least two devices on your fingers, each with light sources and a button. These devices wirelessly send commands to a computer, which uses the light sources to track your finger movements. This allows you to control a cursor or other functions on a projected screen by moving your fingers and pressing buttons.

Why it matters: Since 2017, the miniaturization and cost reduction of microcontrollers, RF transmitters, and motion sensors have made such finger-wearable devices more practical. Additionally, advancements in computer vision could offer more robust and precise tracking of the light sources for gesture control.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateCustom electronics, firmware, RF, motion tracking logic

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