publication . Article . 2004

Distant Electric Vision

A. A. Campbell Swinton;
Open Access
  • Published: 18 Nov 2004 Journal: Nature, volume 324, pages 7-7 (issn: 0028-0836, eissn: 1476-4687, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
Abstract
REFERRING to Mr. Shelford Bidwell’s illuminating communication on this subject published in NATURE of June 4, may I point out that though, as stated by Mr. Bidwell, it is wildly impracticable to effect even 160,000 synchronised operations per second by ordinary mechanical means, this part, of the problem of obtaining distant electric vision can probably be solved by the employment of two beams of kathode rays (one at the transmitting and one at the receiving station) synchronously deflected by the varying fields of two electromagnets placed at right angles to one another and energised by two alternating electric currents of widely different frequencies, so that ...
Subjects
free text keywords: Multidisciplinary, Electrical engineering, business.industry, business, Pickup, Aperture, Signal generator, Electronic engineering, Optical amplifier, Engineering, Beam (structure), Electric current, Photoelectric effect, Electromagnet, law.invention, law, Physics, Cathode ray, Right angle, Optics
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