Smart Glasses

Smart Glasses are electronic glasses that can be worn and it add information alongside or to what the user sees. It is an amazing device and very helpful for your day - to - day life.

Smart Glasses

Smart Glasses are electronic glasses that can be worn that add information alongside or to what the user sees. Instead, often Smart Glasses are described as wearable computer glasses that can change their optical properties at runtime. An example of the latter category of smart glasses are smart sunglasses that are configured to change tint by electronic means.

Using an electronic Head–Mounted Display (OHMD) or integrated wireless glasses with a translucent Head–Up Display (HUD) or an Augmented Reality (AR) overlay, details can be superimposed on a field of view. Such devices are capable of interpreting the projected digital images and enabling the user to see through them or see them better. While early models can perform basic tasks, such as serving as a front end display for a remote system, such as using cellular technology or Wi–Fi for smart glasses, modern smart glasses are effectively wearable computers that can run self-contained mobile applications. Some are hands–free and can use natural language voice commands to communicate with the Internet, while others use touch buttons.

Smart Glasses can collect information from internal or external sensors, like other devices. It can monitor or retrieve data from other devices or computers. Wireless technologies such as Wi–Fi, Wi–Fi and GPS can be enabled. A small number of models run a mobile operating system and send audio and video files to the user via a Bluetooth or Wi–Fi headset as portable media players. Many versions of Smart Glasses do feature full lifelogging capabilities and activity trackers.

On a smartphone, smart glass apps may also have features. Some have features of activity tracker (also referred to as "fitness tracker") as seen in many GPS watches.

 

Features of Smart Glasses

There are many attractive features of Smart Glasses which make it an efficient device.

  • Like other lifelogging and activity tracking devices, some Smart Glasses can use the GPS tracking unit and digital camera to capture data. For example, data can be uploaded to a computer or online to create a log of analytical exercise activities after completion of a workout.

  • Some Smart Glasses model produced in the 21st century are fully functional as standalone products, most experts recommend or even allow consumers to purchase mobile phone handsets running the same operating system in order to synchronize the two devices for additional and improved functionality.
  • Smart glasses can be used as a mirror for the eye. In 2018, smart glasses were used by Chinese police in some cities to take photographs that are linked to a government database using facial recognition to recognize offenders, locate an address, and monitor people moving outside their home areas.

Aim of Smart Glasses

Ultimately, the aim of smart glasses is to merge human vision seamlessly with the virtual world, creating a kind of omnipresent machine. The technology is in its embryonic stages and has yet to take off with consumers, but there are innovative models out there for various purposes.

In general, smart glasses are designed to offer life monitoring services and building a forum for more realistic pictures and video clips. We can also be fitted with Augmented Reality Technology to help you with your everyday home and business life. Imagine, for example, how much easier life would be if you tried to find a building and directions in your field of vision? That's the smart glasses' premise.

Smart glasses operate by integrating monitor, sensors and accelerometers, together with intelligent software and internet connectivity to make them very useful. These tend to come with touchpads and/ or voice controls to help users access the software that allows them to be integrated or incorporated into a smartphone or both.

We are still in the early stages of development and many problems, such as security and privacy, have to be addressed. Furthermore, there are battery life problems. Smart glasses are still to offer a functional consumer experience from a battery life perspective, with smartphones still losing energy fairly quickly.

 

Display Types

There are many techniques that are used for display of Smart Glasses (see – through HMDs). Most of these techniques can be summarized in two main families: based on "Curved Mirror" (or Curved Combiner) and based on "Waveguide" or "Light Guide". The mirror technique was used by Vuzix in their Star 1200 model, Olympus, and Laster Technologies in EyeTaps, Meta in their Meta 1.

Various waveguide techniques have existed for some time. These techniques include diffraction optics, holographic optics, polarized optics, reflective optics, and projection:

  • Diffractive Waveguide: Slanted diffraction grating elements (nanometric 10E–9). Nokia technique now licensed to Vuzix.
  • Holographic Waveguide: 3 holographic optical elements (HOE) sandwiched together (RGB). Used by Sony and Konica Minolta.
  • Reflective Waveguide: Thick light guide with single semi–reflective mirror. This technique is used by Epson in their Moverio product.
  • Virtual Retinal Display (VRD): Also known as a retinal scan display (RSD) or retinal projector (RP), is a display technology that draws a raster display (like a television) directly onto the retina of the eye–developed by MicroVision, Inc.

The castAR Technical Illusions uses a different clear glass technique. The glasses have a projector, and a reflective surface returns the image to the eye.

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