Microwave directional coupler and detector module

Details Microwave directional coupler and detector module Microwave directional coupler and detector module

1979-01-16

1980-07-08

Gensler, Paul L.

Electric heating

Metal heating

Of cylinders

324 95, 333109, 333116, H05B 906, G01R 2112, H01P 518

Patent

active

042119111

ABSTRACT:
A module board comprised of a microstrip transmission line, terminating resistors and detectors is mounted over two coupling apertures spaced one quarter guide wavelength along a rectangular waveguide. The microstrip line has a length of five quarters of a wavelength as measured in the secondary line system. Output signals representing forward and reflected power flow in the waveguide are developed by the two detectors. This power sensor is low cost and compact and is suitable for a microwave oven.

REFERENCES:
patent: 2901709 (1959-08-01), Fitzmorris
patent: 2976499 (1961-03-01), Sferrazza
patent: 3845387 (1974-10-01), Humphrey
patent: 4034289 (1977-07-01), Rozylowicz et al.
patent: 4122449 (1978-10-01), Endo
Berkowitz, Basic Microwaves, Hayden Book Co., N.Y., 1966, p. 138.

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