Patent · US Active

Integrated ambient light sensor and distance sensor

US8125619B2 · kind B2 · utility

3Cited by

6References

15Claims

0Family size

Assignee

EMINENT ELECTRONIC TECHNOLOGY CORP. LTD. · TW

Inventors

Tom Chang · Millbrae, US
John C. Canfield · Newmarket, US

Key dates

Filing date	Jul 25, 2008
Grant date	Feb 28, 2012
Priority date	—
Expiry date	Oct 13, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH03K2217/94108
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An integrated proximity and light sensor includes an indicating light-emitting device (“ILD”), a projecting light-emitting device (“PLD”), and a light sensing integrated circuit (“LSIC”) configured as a single package. The LSIC controls each of the ILD and the PLD to emit light therefrom and the LSIC is configured to detect an ambient light level and also to detect a reflection of the light projected by the PLD from a surface for proximity detection.

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