Greenleaf Whittier Pickard (Portland, — Newton, ) foi um pioneiro do rádio estadunidense.
Patentes - Electrostatic separation - Electrostatic separation - Electrostatic separation - Electrostatic separation - Means for receiving intelligence communicated by electric waves (silicon detector), 1906 - Electrostatic separator,1907 - Means for receiving intelligence communicated by electric waves (Sulfato de cobre solution detector), 1907 - Intelligence intercommunication by magnetic wave component, 1908 - Means for receiving intelligence communicated by electric waves (spring-loaded detector contact), 1908 - Oscillation receiver (fused zinc oxide detector), 1908 - Oscillation receiver (polished silicon detector, 1908 - Oscillation detecting means (Molibdenite detector), 1908 - Oscillation detector and rectifier ("plated" carbeto de silício detector with DC bias), G.W. Pickard, 1909 - Oscillation receiver (fractured surface red zinc oxide (zincite) detector), 1909 - Oscillation device (iron pyrite detector), 1909
- Detector for wireless telegraphy and telephony (looped or humped springy wire detector contact), 1914 - Oscillation detectors (pairs of minerals), 1914 - Valve detector for wireless (vacuum tube with conducting shield to drain static), 1915 - Receiver for wireless telephony and telegraphy (interrupted or switched circuit instead of rectifier), 1916 - Means for receiving intelligence communicated by electric waves (receiving circuit, divided from #836531), 1917 - Optical selection of split mica sheets - Distinguishing dielectric sheets - Electrical reactance and method and apparatus
- Extreme loading condenser Reissued - Means for receiving intelligence communicated by electric waves
Ligações externas IEEE History Center: Greenleaf W. Pickard
Categoria:Medalha de Honra IEEE Categoria:Engenheiros dos Estados Unidos Categoria:Naturais de Portland (Maine)