A typical reflective object sensor consists of an infrared light emitter diode ... and when an object is close enough to the reflective object sensor to reflect some of the pulsed infrared light, ...

Light-emitting diodes -- LEDs -- can do way more than illuminate your living room. These light sources are useful microelectronics too. Smartphones, for example, can use an LED proximity sensor to ...

TAOS, the Leading Global Supplier of Integrated Light Sensors, Debuts Industry’s First Digital Color Sensors with On-Chip IR Filtering and Proximity Sensing. Color Sensor ...

One example in a common device is the use of an LED proximity sensor in many smartphones. That sensor can tell if the device is next to your face and turn the screen off as a result.

Apple's U.S. Patent No. 8,514,221, titled "Working with 3D objects," describes a graphical interface that enables a user to "generate and manipulate 3D objects using 3D gesture inputs."More ...