Ray D Jones

US Patent:

6535088, Mar 18, 2003

Filed:

Apr 13, 2000

Appl. No.:

09/548691

Inventors:

James R. Sherman - Seminole FL
Ray B. Jones - Seminole FL
Barry B. Pruett - Treasure Island FL

Assignee:

Raytheon Company - Lexington MA

International Classification:

H01P 308

US Classification:

333238, 333246

Abstract:

A suspended transmission line includes a lossy dielectric support layer having a first side and a second side. A conductor is supported between first and second ground planes by the lossy support layer and includes a first part supported on the first side of the lossy support layer and a second part supported on the second side of the lossy support layer. A propagation structure is positioned between the ground planes to substantially contain an electromagnetic field generated by a signal transmitted on the conductor.

US Patent:

6552635, Apr 22, 2003

Filed:

Apr 13, 2000

Appl. No.:

09/548578

Inventors:

James R. Sherman - Seminole FL
Ray B. Jones - Seminole FL
Barry B. Pruett - Treasure Island FL

Assignee:

Raytheon Company - Lexington MA

International Classification:

H01P 308

US Classification:

333238, 333246

Abstract:

A suspended transmission line includes a dielectric support layer having a first side and a second side. The conductor is supported between first and second ground planes and includes a first part supported on the first side of the support layer and a second part supported on the second side of the support layer. A third part of the conductor connects the first and second parts at spaced intervals along the conductor. A propagation structure is disposed between the ground planes and operable to substantially contain an electric field generated by a signal transmitted on the conductor.

US Patent:

6622370, Sep 23, 2003

Filed:

Apr 13, 2000

Appl. No.:

09/548689

Inventors:

James R. Sherman - Seminole FL
Ray B. Jones - Seminole FL
Barry B. Pruett - Treasure Island FL

Assignee:

Raytheon Company - Lexington MA

International Classification:

H01P 1100

US Classification:

29600, 295921, 29609, 29601, 333128, 333246

Abstract:

A method for fabricating a suspended transmission line includes supporting a first conductive trace on a first side of a dielectric support layer. A second conductive trace is supported on a second side of the support layer. The first and second conductive traces are connected at spaced intervals. A first spacer is formed outwardly of the first side of the support layer A second spacer is formed outwardly of the second side of the support layer. A first plate is disposed outwardly of the first spacer and includes a first ground plane displaced from the first conductive trace. A second plate is disposed outwardly of the second spacer and includes a second ground plane displaced from the second conductive trace.

US Patent:

58924825, Apr 6, 1999

Filed:

Dec 6, 1996

Appl. No.:

8/761130

Inventors:

William E. Coleman - Clearwater FL
Ray B. Jones - Seminole FL

Assignee:

Raytheon Company - Lexington MA

International Classification:

H01Q 138

US Classification:

343700MS

Abstract:

A mutual coupling neutralizer for neutralizing adverse mutual coupling between a pair of patch antennas for mobile communication system. The coupling neutralizer includes a first and second capacitor each having a first end and a second end, where the first ends are coupled to a respective patch antenna. The neutralizer further includes a high impedance transmission line connected to the second ends of the capacitors. The transmission line and capacitors are sized and configured to neutralize adverse mutual coupling between the pair of patch antennas over a predetermined frequency band. The neutralization of mutual coupling is achieved by extracting a signal present at one patch antenna and injecting the signal at the other patch antenna at a substantially equal amplitude and opposite in phase.