Patent · US Active

Image capturing device and electronic keyboard using the image capturing device

US10199025B2 · kind B2 · utility

0Cited by
18References
9Claims
0Family size

Inventor

Key dates

Filing dateAug 22, 2015
Grant dateFeb 5, 2019
Priority date—
Expiry dateAug 22, 2035

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10H2220/455
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An electronic keyboard using a camera, and more particularly, to an electronic keyboard using a camera, which includes a retroreflective film, a light source for irradiating light on to the retroreflective film, a camera for capturing light of a light source retroreflected from the retroreflective film, and an image processing means that analyzes the captured image to track the position of the reflected light source, to find a depressed state of the keyboard, and to generate a sound of an instrument corresponding to the depressed state.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.