Introduction of Google Glass
Google Glass is a wearable computer with an
optical head-mounted display (OHMD).
It was developed by Google.
Google Glass displays information in a
smartphone-like hands-free format.
Wearers communicate with the Internet via
natural language voice commands.
A touchpad is located on the side of Google Glass, allowing users to
control the device by swiping through a timeline-like interface
displayed on the screen. Sliding backward shows current events,
such as weather, and sliding forward shows past events, such as
phone calls, photos, circle updates, etc.
Google Glass has the ability to take photos and record
720p HD video. While video is recording, the screen
stays on while it is doing so.
The Explorer version of Google Glass uses a Liquid Crystal on Silicon
(LCoS), field-sequential color, LED illuminated display. The display's
LED illumination is first P-polarized and then shines through the in-
coupling polarizing beam splitter (PBS) to the LCoS panel. The
panel reflects the light and alters it to S-polarization at active pixel
Google Glass was developed by Google.
The Google Glass prototype resembled standard eyeglasses
with the lens replaced by a head-up display. In the summer
of 2011, Google engineered a prototype that weighed 8
pounds (3,600 g); it is now lighter than the average pair of
In April 2013, the Explorer Edition was made available to
testers and Google I/O developers in the United States for
A consumer version was made available in 2014 for
"significantly less" than the Explorer Edition.
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Furqan Munir Lodhi