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Application filed by Standard Telephon & Radio AgfiledCriticalStandard Telephon & Radio Ag
Publication of CH288902ApublicationCriticalpatent/CH288902A/de
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03F—AMPLIFIERS
H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
H03F1/52—Circuit arrangements for protecting such amplifiers
H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
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Engineering & Computer Science
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Power Engineering
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Computer Networks & Wireless Communication
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Signal Processing
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Protection Of Generators And Motors
(AREA)
CH288902D1950-03-141951-03-14Zwischenverstärkerstation mit Überwachungseinrichtungen für Radio-Relaisverkehrsanlagen mit Frequenzmodulation.
CH288902A
(de)
Einrichtung zur Überwachung der Betriebsbereitschaft bei Anlagen mit Relaisstationen zur drahtlosen Mehrkanalnachrichtenübertragung mit Impulsmodulation.
Radiotelefonanlæg til etablering af tovejsradioforbindelser mellem bevægelige stationer og en fast station eller mellem bevægelige stationer over en fast station.
Dispositivo de radiofrecuencia para señales combinadas acústico-luminosas que se han de transmitir entre autovehículos marchando en la misma dirección y aproximándose recíprocamente, con el fin de que se puedan sobrepasar con seguridad