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Philo Farnsworth

by ELKA BONG

supported by
Dave Seidel
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1.
Nipkow Disks 10:27
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2.
Iconoscopy 10:31
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3.
Projected Oscillite 10:14
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4.
Cold Cathode Dissector 10:23
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about

Philo Farnsworth worked out the principle of the image dissector in the summer of 1921, not long before his 15th birthday, and demonstrated the first working version on September 7, 1927, having just turned 21. A farm boy from Indiana, his inspiration for scanning an image as series of lines came from the back-and-forth motion used to plow a field.

In the course of a patent interference suit brought by the Radio Corporation of America in 1934 and decided in February 1935, his high school chemistry teacher produced a sketch Farnsworth had shown him in Spring 1922. Farnsworth won the suit. Farnsworth received royalties from RCA, but he never became wealthy. The video camera tube that evolved from the combined work of Farnsworth, Zworykin, and others was used in all television cameras until the late 20th century,

Farnsworth also developed the "image oscillite", a cathode ray tube that displayed the images captured by the image dissector. He called his device an image dissector because it converted individual elements of the image into electricity one at a time. He replaced the spinning disks with caesium, an element that emits electrons when exposed to light.

In 1984, Farnsworth was inducted into the National Inventors Hall of Fame.

credits

released June 13, 2021

Al Margolis - snare drum [1]; rusted tool box [2]; kalimba [3]; piano [4]
Walter Wright - amplified drum kit
with
Nico - homemade bowed strings with distortion, acoustic guitar [1,2]; circuit bent toy with effects [3]; trombone and vocals [4]

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about

ELKA BONG image

ELKA BONG Chester, New York

AL MARGOLIS
“... is some sort of evil genius working with sources radically altered up to an utterly unrecognizable state, anarchic manifestations moving in compact determination.”
~ Massimo Ricci

WALTER WRIGHT
is an interdisciplinary artist, his practice includes computer programming, music, and video performance. His focus is on “improvisation as a way of being present in the world.” ... more

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