Dwight D Walthers, Age 79805 River Terrace Dr, Volo, IL 60051

D344733, Mar 1, 1994

Jun 25, 1990

7/544004

Dwight D. Walthers - McHenry IL

Mototola, Inc. - Schaumburg IL

D14241

5396643, Mar 7, 1995

Aug 24, 1992

7/933550

Michael W. Frenzer - Palatine IL
Robert J. Locascio - Crystal Lake IL
Joan E. Zocher - Algonquin IL
Dwight D. Walthers - McHenry IL
Martin V. Seitz - Fox River Grove IL
Christopher N. Kurby - Elmhurst IL

Motorola, Inc. - Schaumburg IL

H04B 7185

455 131

The present invention includes a low-earth satellite-based paging broadcast system (100) and method (200, 300) that maximizes spectral efficiency and minimizes power expenditure for the broadcast of paging messages by broadcasting the messages to terminator- or originator-selectable portions of the total system coverage area. The terminator selects a long-term preferred geographic area (LTPGA), and optionally, a short-term preferred geographic area (STPGA). The originator provides the terminator ID, the message, and optionally provides a customized preferred geographic area (CPGA). Terminators and originators can easily modify the selectable geographic areas (SGA(s)): LTPGA(s), STPGA(s), and CPGA(s). The gateway converts the SGA(s) to addressable coverage areas (ACA(s)), and transmits a signal including the paging information, and ACA(s) to at least a first communication satellite (COM SAT). The COM SAT(s) provide for crosslinking the signal to other COM SAT(s) and for broadcasting the paging information to the ACA(s).

5912648, Jun 15, 1999

Nov 7, 1996

8/744346

Dwight D. Walthers - McHenry IL

Motorola, Inc. - Schamburg IL

H01Q 132

343713

A compact patch antenna having a housing (110) for holding a patch antenna hinged by hinge (130) to a planar member (120) by a clip (140). The planar member (120) is capable of hinging to an open position for use and to a closed position for storage. The clip (140) is adaptable for connection to the edge of the glass of a window of an automobile or the like.

5701130, Dec 23, 1997

Mar 31, 1997

8/840437

Kevin Michael Thill - Kenosha WI
Dwight David Walthers - McHenry IL

Motorola, Inc. - Schaumburg IL

H01Q 136

343895

A self phased antenna element with two pairs of arms (110, 120, 130, 140) in a crossed relationship transceives a signal at a resonant frequency. A dielectric (150, 160) is disposed adjacent an arm (130, 140) to obtain a self phased relationship in the arms (110, 120, 130, 140) at the resonant frequency. The arms can form crossed loops or twisted crossed loops such as a quadrifilar helix antenna element. A dielectric collar on arms of the same loop causes arm currents to be equally spaced from one another. The antenna size is reduced and a cross section of the antenna element appears circular without degradation of a gain pattern when the dielectric is used on the certain arm.