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Priority to JP1979026408UpriorityCriticalpatent/JPS639286Y2/ja
Priority to US06/125,052prioritypatent/US4322129A/en
Priority to DE3007804Aprioritypatent/DE3007804C2/de
Publication of JPS55125309UpublicationCriticalpatent/JPS55125309U/ja
Application grantedgrantedCritical
Publication of JPS639286Y2publicationCriticalpatent/JPS639286Y2/ja
Verfahren zur Erweiterung des Helligkeitseinstellbereiches einer Lichtquelle für eine Endoskopbeleuchtung und Steuereinrichtung zur Durchführung dieses Verfahrens