Transition between a rectangular waveguide and a microstrip...

Details Transition between a rectangular waveguide and a microstrip... Transition between a rectangular waveguide and a microstrip...

2008-06-03

2008-06-03

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

C333S034000, C029S600000

Reexamination Certificate

active

07382212

ABSTRACT:
The transition between a rectangular waveguide and a microstrip line consists of a ribbed rectangular waveguide realised in a foam bar in synthetic material of which the metallized base under the rib continues in the form of a foam plate constituting a substrate for the microstrip line, the rib having a base extending between the upper plane of the ribbed waveguide and the upper plane of the substrate and the microstrip line being disposed on the upper plane of the substrate in the continuation of the base of the rib.

REFERENCES:
patent: 2897461 (1959-07-01), Ashbaugh et al.
patent: 3265995 (1966-08-01), Hamasaki
patent: 3932823 (1976-01-01), Lavedan, Jr. et al.
patent: 6242984 (2001-06-01), Stones et al.
patent: 6265950 (2001-07-01), Schmidt et al.
patent: 0458364 (1991-11-01), None
patent: 5-335816 (1993-12-01), None
“A Transition from Microstrip to Dielectric-filled Rectangular Waveguide in surface Mounting”; Sano et al; 2002 IEEE MTT-S Digest, Jun. 2002; pp. 813-816.
Patent Abstracts of Japan, vol. 018, No. 161, Mar. 17, 1994 & JP 05-335816 (Japan Radio Co. Ltd. Dec. 17, 1993 See REF AE.
Search Report dated Jun. 9, 2004.

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