"Television: the revolution," ([1944])

Record Details:

Title:
"Television: the revolution,"
Date:
[1944]
Publisher:
New York, Essential Books
Volume:
"Television: the revolution,"
Leaf #:
00036
Language:
English
Collection:
Books and Broadcasting & Recorded Sound
Format:
Books
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

"THE MOVING FINGER WRITES —" 17 fore. When this route is completed, the elec- tronic milkman has called on every one of the electric eyes in the iconoscope mosaic. Another plate, sandwiched to the back of the mosaic, measures the amount of charge delivered by the cathode ray; the fluctuating current from this plate goes to the television transmitter to be amplified and broadcast. It takes the cathode beam "milkman" only i/3Oth of a second to zigzag over the whole mosaic. As soon as the beam reaches the end of its route, magnets pull it back to the top and it starts all over again. This entire process takes place thirty times a second. Result? Thirty sepa- rate pictures, broken down into a parade of about ten million electrical spurts per second. And thereby hangs a headache. Ten million current changes every second is asking a great deal of any electrical apparatus. The ordinary house-current, which runs your refrigerator and electric lights, is usually 60 cycles A.C.—that is, sixty spurts of electricity per second. If you hit "A" below middle "C" on your piano, that's a faster vibration: 440 times a second—if your piano's in tune. A coloratura soprano gives your sound-radio the fastest workout of any micro-