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Nokia Spain SA
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Alcatel Espana SA
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Application filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Publication of ES180304A1publicationCriticalpatent/ES180304A1/en
Mejoras en o relacionadas con circuitos de base de tiempos para receptores de tal visión caracterizados por un circuito de base de tiempos para explorar un receptor de televisión que comprende un generador de la clase en que un condensador está periódicamente cargado y descargado incorporando el referido generador un circuito resonante sintonizado a una frecuencia que es grande comparada con al frecuencia fundamental del generador estando dispuesto el referido circuito para ser excitado por choque por la frecuencia fundamental y para imponer sobre la onda de salida de la línea de exploración una componente para hacer oscilar el haz de exploración alrededor de su línea en forma transversal.Improvements in or related to time base circuits for receivers of such vision characterized by a time base circuit for scanning a television receiver comprising a generator of the kind in which a capacitor is periodically charged and discharged, said generator incorporating a resonant circuit tuned to a frequency that is large compared to the fundamental frequency of the generator, said circuit being arranged to be shock excited by the fundamental frequency and to impose on the output wave of the scan line a component to oscillate the beam scan around its line crosswise.
ES0180304A1939-10-241947-10-30
IMPROVEMENTS IN OR RELATED TO TIME BASE CIRCUITS FOR TELEVISION RECEIVERS
ExpiredES180304A1
(en)
Tunable electrical oscillating circuit with a shunt circuit for periodically changing the resonant frequency with a constant frequency value constant over the entire tuning range alternately in one and the other direction.