Research/Patents/US 4897623
US 4897623Tier 3 — General Defense

NON-CONTACTING PRINTED CIRCUIT WAVEGUIDE ELEMENTS

Assignee

US Government

Filed as: NAVY, THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE

Filed

Apr 13, 1988

Granted

Jan 30, 1990

Location

San Diego CA (SAIC/General Dynamics)

Abstract

Arrays of printed circuit elements are placed in the E-plane inside waveges to reflect and pass selected bands of frequencies. The elements make no contact with the guide walls but are suspended on dielectric substrates and are held in place with foam dielectric.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 30, 1988

Rescinded

Oct 6, 1989

Duration

10 months

Inventor

  • 1JOHN REINDEL

Sensitive facility: San Diego CA (SAIC/General Dynamics)

Back to patent indexSource: USPTO 35 USC §181 secrecy order records