Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 399
simple open-circuit oscillator through the spark-gap 0; this systemis supplied with energy by the condensers 7 and 8 which arecharged by the secondary of the transformer. The receiver in itssimplest form comprises a self-restoring detector invented by Dr.De Forest and E. H. Smythe, called an… … DeForest Keceiver.Fig. 40. internal circuit includes the responders 1, 1, the choke coils 2,2, a resistance of 5,000 ohms 3, Ijattery 4, condenser 5, telephonereceiver 6, antenna 7, ground S, and shunt switches 9, 9. Thissystem has met with favor at home and abroad due largely to itssimplicity and…
Electrical engineering
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