INTERNAL TRANSMISSION LINE FILTER ELEMENT
Assignee
US Government
Filed as: UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY THE
Filed
Jun 27, 1986
Granted
Oct 10, 1989
Location
San Diego CA (SAIC/General Dynamics)
Abstract
An improved transmission line filter element allows a higher difference between even and odd mode impedances than previously obtainable from planar structures. The filter element comprises a U-shaped gap formed in the strip conductor of a strip line transmission line, a microstrip structure or a suspended strip line structure. The internal transmission line filters can be cascaded to produce electromagnetic energy filters with deeper notches and steeper skirts than previously obtainable from other planar structures with the same number of elements.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Nov 20, 1987
Rescinded
May 19, 1989
Duration
1 year, 6 months
Inventor
- 1ALFRED R. HISLOP
Sensitive facility: San Diego CA (SAIC/General Dynamics)
Record Details
- Patent number
- US 4873501
- Application
- 06881419
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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