Title :
Prism fiber reading tube
Author :
Miyazaki, Eiichi ; Tomii, Kaoru
Author_Institution :
Matsushita Research Institute Tokyo, Inc., Kawasaki, Japan
fDate :
10/1/1971 12:00:00 AM
Abstract :
A prism fiber reading tube (PFT) for fast facsimile has been developed. It features a new type of prism-shaped glass fiber which makes direct contact reading possible. This newly developed tube is capable of reading opaque original manuscripts, a procedure not possible with an ordinary fiber-optics tube. By electronic scanning, a manuscript can be read at television scanning speeds. The resolution obtained is about 10 lines/mm and the light efficiency is about 5 times as high as that of a conventional flying-spot scanner using an f/1.8 lens with unity magnification.
Keywords :
Facsimile; Frequency; Gallium arsenide; Glass; Graphics; Lenses; Microwave devices; Optical fiber devices; Optical transmitters; TV;
Journal_Title :
Electron Devices, IEEE Transactions on
DOI :
10.1109/T-ED.1971.17298
