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2. Ring (company) - Wikipedia

   en.wikipedia.org/wiki/Ring_(company)

   Ring LLC. Ring LLC is a manufacturer of home security and smart home devices owned by Amazon. It manufactures a titular line of smart doorbells, home security cameras, and alarm systems. It also operates Neighbors, a social network that allows users to discuss local safety and security issues, and share footage captured with Ring products.

3. Video door-phone - Wikipedia

   en.wikipedia.org/wiki/Video_door-phone

   Video door entry consists of both outside and indoor elements: an outdoor panel on the outside, an electronic lock release, and an indoor monitor. The outdoor panel or street panel is installed beside the entrance door or gateway and incorporates different elements ready for use in any climate conditions: one or several pushbuttons to make the call (usually one per home or apartment), a micro ...

4. History of videotelephony - Wikipedia

   en.wikipedia.org/wiki/History_of_videotelephony

   [67] [68] The camera phone was the same size as similar contemporary mobile phones, but sported a large camera lens and a 5 cm (2 inch) colour TFT display capable of displaying 65,000 colors, and was able to process two video frames per second. The 155 gram (5.5 oz.) camera could also take 20 photos and convey them by e-mail, with the camera ...

5. Consumer Reports - Wikipedia

   en.wikipedia.org/wiki/Consumer_Reports

   Employees (2019) 592. Website. www.consumerreports.org. Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative journalism, consumer-oriented research, public education, and consumer advocacy. [2] Founded in 1936, CR was created to serve as a ...

6. Door phone - Wikipedia

   en.wikipedia.org/wiki/Door_phone

   A door phone or door bell phone is a set of electrical and electronic elements used to handle communication between a resident in a house, apartment or villa and a guest outside. The device can also lock or unlock the door it has been configured to work with. Door phones have been used across a variety of commercial and residential buildings.

7. Videotelephony - Wikipedia

   en.wikipedia.org/wiki/Videotelephony

   A videoconference meeting facilitated by Google Hangouts. The core technology used in a videotelephony system is digital compression of audio and video streams in real time. The hardware or software that performs compression is called a codec (coder/decoder). Compression rates of up to 1:500 can be achieved.