Microwave modulator

Claim 1

A MICROWAVE MODULATOR COMPRISING, A TRANSISTOR OF THE DIFFUSED ALLOYED TYPE COMPRISING A BASE OF METAL SELECTED FROM THE CLASS CONSISTING OF SILICON AND GERMANIUM, SAID BASE BEING IN THE FORM OF A SHEET, A FIRST WAFER OF ELEMENTAL METAL SELECTED FROM THE CLASS CONSISTING OF VALENCE 3 ACCEPTOR METALS AND VALENCE 5 DONOR METALS PRESSED ONTO ONE SIDE OF SAID BASE FORMING A COLLECTOR, A SECOND WAFER OF SAID SELECTED ELEMENTAL METAL PRESSED ONTO THE OPPOSITE SIDE OF SAID BASE FORMING AN EMITTER, A LENGTH OF RECTANGULAR WAVEGUIDE, MEANS POSITIONING AND SUPPORTING SAID TRANSISTOR SUBSTANTIALLY AT THE CENTER OF THE CROSS SECTION OF SAID LENGTH OR RECTANGULAR WAVEGUIDE, AN OSCILLATOR CIRCUIT POSITIONED EXTERNALLY OF SAID WAVEGUIDE AND CONNECTED TO SAID BASE, EMITTER AND COLLECTOR THROUGH CONDUCTORS EXTENDING INTO BUT INSULATED FROM SAID WAVEGUIDE, SAID OSCILLATOR CIRCUIT INCLUDING A RESONANT CAPACITOR-INDUCTOR CIRCUIT CONNECTED BETWEEN SAID BASE AND EMITTER TERMINALS, AND A COUPLER AND DIRECTCURRENT SOURCE CONNECTED BETWEEN SAID EMITTER AND COLLECTOR TERMINALS WHEREBY SPONTANEOUS OSCILLATIONS OCCUR BY INTERACTION AMONG SAID OSCILLATOR COMPONENTS AT A SELECTED SUBMICROWAVE FREQUENCY, A MICROWAVE GENERATOR HAVING A FREQUENCY DIFFERENT FROM SAID SELECTED FREQUENCY, WAVEGUIDE MEANS APPLYING THE OUTPUT OF SAID GENERATOR TO ONE END OF SAID LENGTH OF RECTANGULAR WAVEGUIDE WHEREBY MICROWAVE FIELD ENERGY IS SET UP THEREIN, A SHORT-CIRCUITING PLUG IN THE OTHER END OF SAID LENGTH OF RECTANGULAR WAVEGUIDE, THE DISTANCE BETWEEN SAID TRANSISTOR AND SAID PLUG BEING AN ODD INTEGRAL MULTIPLE OF ONE-QUARTER OF SAID MICROWAVE GENERATOR OUTPUT WAVELENGTH IN THE WAVEGUIDE, WHEREBY SAID MICROWAVE GENERATOR OUTPUT FIELD ENERGY IS MORE STRONGLY MODULATED AT SAID SELECTED FREQUENCY, AND MEANS ISOLATING AND RECEIVING SAID MODULATED FIELD ENERGY.