Patent · US Expired

Waveguide device for producing absorption or attenuation

US4799031A · kind A · utility

245Cited by

7References

18Claims

0Family size

Assignee

Spinner GmbH Elektrotechnische Fabrik · DE

Inventors

Manfred Lang · Wuppertal, DE
Walter Hoppler · Munich, DE

Key dates

Filing date	Nov 30, 1987
Grant date	Jan 17, 1989
Priority date	—
Expiry date	Nov 30, 2007

Classification

Technology area (CPC H)Electricity
CPC primaryH01P1/262
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A waveguide device for producing absorption or attenuation includes a waveguide section which is provided with an external absorber material. For allowing a transfer of the high-frequency power into the absorber material, the wave section is provided with coupling apertures via which the absorber material is in connection with the interior of the waveguide section.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.