A Brief Guide to... Coaxial Cables

A BRIEF GUIDE TO... COAXIAL CABLE IN GEOMETRY, COAXIAL MEANS THAT TWO OR MORE FORMS SHARE A COMMON AXIS. plastic jacket COAXIAL CABLE is most commonly known dielectric insulator about within homes that receive cable TV signals. This type of cable actually has many more uses, but alas, is slowly being phased out in general in favor of more modern connecting cables. Coaxial cable, or "coax" as it is sometimes known, still has a place in today's world, but adapters are sometimes needed today to keep everything compatible. metallic shield centre core In the 20th century, coaxial cable was utilized for connecting radio networks, television networks, and long-distance telephone networks, but in years recent, other technologies have taken their place such as: Fibre optics T1/E1 Satellite Short coaxial cables are still common when connecting devices such as: Home video equipment Ham radio setups Measurement electronics Cable broadband internet access To carry cable television signals to the majority of television receivers, as well as in other kinds of receivers. And micro-coaxial cable is used in: military equipment ultrasound scanning equipment D a range of consumer devices Standard at 20 INCH History of 'Coax' Coaxial cable was patented in England by Oliver Heaviside, patent no. 1,407. 1880 Siemens & Halske patented coaxial cable in Germany (Patent No. 28,978, 27 March 1884). 1884 Oliver Lodge demonstrates "waveguide transmission" at the Royal Institution. 1894 The first modern coaxial cable was patented by Lloyd Espenschied and Herman Affel of AT&T's Bell Telephone Laboratories. 1929 at&t World's first underwater coaxial cable installed between Apollo Bay, near Melbourne, Australia, and Stanley, Tasmania. The 300 km cable carries one 8.5-kHz broadcast channel and seven telephone channels. First closed circuit transmission of TV pictures on coaxial cable, from the 1936 Summer Olympics in Berlin to Leipzig 1936 AT&T installs experimental coaxial telephone and television cable between New York and Philadelphia, with automatic booster stations every ten miles. Completed in Décember, it could transmit 240 telephone calls simultaneously. Coaxial cable was laid by the General Post Office (now BT) between Londón and Birmingham, providing 40 telephone channels. First commercial use in USA by AT&T, between Minneapolis, Minnesota and Stevens Point, Wisconsin. It was an "L1 system" with capacity of one TV channel or 480 telephone circuits. 1941 The first transatlantic coaxial cable was laid, the TAT-1. 1956 Since then, the uses of coaxial cable have varied but are being whittled down again with the advent of new, more highly-efficient and versatile ways of connecting information from location to location. Sources: MONOP2ICE http://en.wikipedia.org/wiki/Coaxial http://en.wikipedia.org/wiki/Coaxial_cable Best Quality Products at the Lowest Price - Always! Image Sources: Fiber Optic Cable /freedigitalphotos.net Satellite Dish/freedigitalphotos.net Smiling lady Using Camcorder/freedigitalphotos.net Alone Diver In The Blue/freedigitalphotos.net Retro Telephone/freedigitalphotos.net