Improvements in and relating to high frequency transformers or electromagnetically coupled coils carrying high frequency currents

摘要

260,098. Worthington, W. S. Oct. 16, 1925. Transformers.-High-frequency transformers or coupling coils for use in wireless receiving sets are provided with contact terminals such as pins 1 - - 5 or sockets arranged longitudinally of the coils and adapted to engage corresponding contact members I - - V on a panel or base d. The secondary coil b is cylindrical, and the primary coil c which may be cylindrical or flat as shown is preferably pivotally mounted within the coil b and is tapped intermediately of its ends.