Wave transmission lines and networks – Long line elements and components – Waveguide elements and components
Patent
1988-10-20
1989-06-27
Gensler, Paul
Wave transmission lines and networks
Long line elements and components
Waveguide elements and components
333102, 335304, H01P 111
Patent
active
048433578
ABSTRACT:
A tetrahedral junction waveguide switch is provided having two axially juxtaposed sections of hollow rectangular waveguide which are mutually cross-polarized by being rotated 90 degrees with respect to each other. A rod of a ferrite material having gyromagnetic properties is axially disposed within the juxtaposed ends of the waveguide sections and is selectively axially magnetized to control transmission of RF electromagnetic wave energy through the sections. A permanent magnet structure having a unique cladding arrangement which minimizes flux leakage and produces a magnet of high coercive force is employed to produce a unidirectional magnetic bias field along the longitudinal axis of the rod to keep the switch in a low loss transmission state by virtue of Reggia-Spencer effect signal rotation. A selectively operable helical coil is utilized to produce another axial magnetic field which nullifies the bias magnetic field when it is desired to place the switch in a high loss or cut-off transmission state.
REFERENCES:
patent: 2719274 (1955-09-01), Luhrs
patent: 3038131 (1952-06-01), Uebele et al.
patent: 4647887 (1987-03-01), Leupold
patent: 4654618 (1987-03-01), Leupold
IRE Transactions on Microwave Theory and Techniques, pp. 120-121, Jan. 19 0.
A Fast Ferrite Switch for Use at 70 KMC, IRE Trans. on MTT pp. 300-303, Jul. 1958, E. H. Turner.
Tech Rpt Ecom-3264, "A Fast 3-Millimeter Ferrite Switch", dtd. Apr. 1970 by Richard A. Stern.
Leupold Herbert A.
Stern Richard A.
Gensler Paul
Kanars Sheldon
Maikis Robert A.
The United States of America as represented by the Secretary of
LandOfFree
Tetrahedral junction waveguide switch does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tetrahedral junction waveguide switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tetrahedral junction waveguide switch will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-816300