Richard M Stern

US Patent:

H14087, Jan 3, 1995

Filed:

Apr 19, 1993

Appl. No.:

8/049192

Inventors:

Richard W. Babbitt - Fair Haven NJ
Richard A. Stern - Allenwood NJ
Ernest Potenziani - Ocean NJ

Assignee:

The United States of America as represented by the Secretary of the Army - Washington DC

International Classification:

H01P 132

US Classification:

333 11

Abstract:

A microstrip circuit having a plurality of coplanar microstrips mounted on a common dielectric substrate. A planar circulator is coupled to a junction of the microstrips. The circulator includes a ferrite disc which lies in the plane of the substrate. The circulator also includes a biasing permanent magnet in the form of a planar, toroidal-shaped magnet having magnetic sections that are embedded in the dielectric substrate. The magnetic sections from a split cylinder that encircles the ferrite material while permitting the microstrips to pass therethrough.

US Patent:

44582188, Jul 3, 1984

Filed:

Jun 14, 1982

Appl. No.:

6/387986

Inventors:

Richard W. Babbitt - Fair Haven NJ
Richard A. Stern - Allenwood NJ

Assignee:

The United States of America as represented by the Secretary of the Army - Washington DC

International Classification:

H01P 119

US Classification:

333158

Abstract:

A dielectric waveguide reciprocal ferrite phase shifter is provided for use n a dielectric waveguide transmission line. The phase shifter is comprised of a length of ferrite of the same cross-sectional dimension as that of the dielectric waveguide and in fact becomes a section of the transmission line. The length of ferrite bears a thin plastic layer on its top and bottom surface and metal plates on each piece of plastic. The length of this multilayer structure then has a wire coil wrapped around in order to provide a d. c. magnetic biasing field along the length of the ferrite thereby enabling magnetization of the ferrite resulting in a reciprocal phase shift or change in electrical length within the structure.

US Patent:

51609045, Nov 3, 1992

Filed:

Nov 7, 1991

Appl. No.:

7/789207

Inventors:

Richard W. Babbitt - Fair Haven NJ
Richard A. Stern - Allenwood NJ

Assignee:

The United States of America as represented by the Secretary of the Army - Washington DC

International Classification:

H01P 500

US Classification:

333 34

Abstract:

A composite microstrip circuit with a plurality of discrete microstrip conents made from materials having different dielectric constants mounted thereon. A transitional taper is formed on each discrete microstrip component at the point where a connection is made between other components or devices. The base on which the discrete microstrip components are positioned has a dielectric constant lower than any of the dielectric constants of the discrete components. The transitional taper results in a low cost, low loss interconnection between discrete microstrip components.

US Patent:

20140201273, Jul 17, 2014

Filed:

Jan 15, 2013

Appl. No.:

13/742122

Inventors:

- SAN DIEGO CA, US
RICHARD STERN - SAN DIEGO CA, US

Assignee:

CUBIC CORPORATION - SAN DIEGO CA

International Classification:

H04L 12/58

US Classification:

709204

Abstract:

A processor for filtering message traffic between communication systems may include an input buffer storing an input message and an output buffer. The processor may also include a memory interface communicatively coupled to a filter rule table that includes message filter rules for verifying input messages received by the input buffer and build output message rules for constructing output messages based on the input messages received by the input buffer. The processor may additionally include a message filter state machine circuit communicatively coupled to the input buffer that applies the message filter rules to the input message from the input buffer and determines whether the input message conforms to each of the message filter rules. The processor may further include a build output message state machine circuit that constructs an output message based on the input message and causes the output message to be stored in the output buffer.