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Bumpers. Flip cases and wallets. Screen protection and body films. Drop and shock protection. Leather cases. Cases with integrated kick stands. Battery cases. Cases with protection devices. Holsters are commonly used as external cases for devices, and/or are made of plastic and without exposed rigid corners.
Tin can telephone. A tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a particular case of mechanical telephony, where sound (i.e., vibrations in the air) is converted into vibrations along a liquid ...
Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone ...
Wiretapping, also known as wire tapping or telephone tapping, is the monitoring of telephone and Internet -based conversations by a third party, often by covert means. The wire tap received its name because, historically, the monitoring connection was an actual electrical tap on an analog telephone or telegraph line.
Foldable smartphone. A foldable smartphone (also known as a foldable phone or simply foldable) is a smartphone with a folding form factor. It is reminiscent of the clamshell (or "flip phone") design of many earlier feature phones. [1] [2] Some variants of the concept use multiple touchscreen panels on a hinge, while other designs utilise a ...
Public switched telephone network. The public switched telephone network ( PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony operators. It provides infrastructure and services for public telephony. The PSTN consists of telephone lines, fiber-optic cables, microwave transmission ...
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related to: concept line phone cases- 1747 Olentangy River Rd, Columbus, OH · Directions · (614) 299-9425