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Communications Patents Ltd
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Communications Patents Ltd
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Publication of ES437538A1publicationCriticalpatent/ES437538A1/en
H04N7/10—Adaptations for transmission by electrical cable
H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires
Landscapes
Engineering & Computer Science
(AREA)
Multimedia
(AREA)
Signal Processing
(AREA)
Television Systems
(AREA)
Two-Way Televisions, Distribution Of Moving Picture Or The Like
(AREA)
Abstract
Improvements in cable broadcasting systems relating to television signals, comprising means for generating a modulated amplitude carrier wave corresponding to visual signals, the frequency of the carrier wave corresponding to an odd multiple of a quarter of the line scanning frequency of the television signals involved. (Machine-translation by Google Translate, not legally binding)
ES437538A1974-06-201975-05-09Improvements in cable diffusion systems. (Machine-translation by Google Translate, not legally binding)
ExpiredES437538A1
(en)
Transmission of two dimensional information at optical frequencies - uses two dimensional space modulation of coherent light flux and reference signals
Procedure and device to make a telephone link between locomotives in progress and a fixed position. (Machine-translation by Google Translate, not legally binding)