history of the telephone

telephone

Period: Sep 19, 1970 to Sep 19, 1990

the bell system

Sep 19, 1974

telephoney museum
The government was filing to suit the Bell System. It was a hammer blow.

lightwave systems

Sep 19, 1977

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Everyone found out that lightwave systems whcih carry voice an data transmitions were far more effective than the copper cable.

trial

Sep 19, 1979

telephoney museum
The action at 1974 dragged until 1979 and could have casted a slow down on technological advances. It went to trial.

digital cellular telephones

Sep 19, 1980

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Digital cellular telephones offered better quality of sound. They had more channel capacity.

judge

Sep 19, 1983

<a href='http://http://www.telephonymuseum.com/History%201940-today.htm' >telephoney museum</a
Judge Harold Greene had torn appart the Bell System. Greene didn't like the Bell System.

fiber optic

Sep 19, 1988

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The 1st fiber-optic translantic cable linking Europe and North America.

micro electronic tech.

Sep 19, 1990

national
There were huge advances in micro electronic tech. over the last 2 decades enabled development of cellular phones to advance at a truly astonishing rate.

wireless phone

Sep 19, 1999

whole sale
Most sensitive geolocation tech. accurately locates to within 15 ft. wireless 911 calls.