Robert Jame Hart

US Patent:

43297250, May 11, 1982

Filed:

May 15, 1981

Appl. No.:

6/264373

Inventors:

Robert E. Hart - Clearwater FL

Assignee:

Square D Company - Palatine IL

International Classification:

G05F 158

US Classification:

361 18

Abstract:

A solid-state, multistage temperature controller for automatically controlling the operation of fans to maintain the temperature of an associated engine within preselected limits.

US Patent:

58596151, Jan 12, 1999

Filed:

Mar 11, 1997

Appl. No.:

8/814367

Inventors:

Brent T. Toland - Manhattan Beach CA
Rork S. Brown - Los Angeles CA
Robert L. Hart - Culver City CA

Assignee:

TRW Inc. - Redondo Beach CA

International Classification:

H01Q 1906

US Classification:

343753

Abstract:

An omnidirectional isotropic antenna employing a tubular waveguide 12, a dielectric insert 18 which includes a lens 20 and a depending stem 22. The lens 20 is an elliptoid generated by rotating an elliptoid form about the longitudinal axis 42 of the tubular waveguide 12 with its foci 40 aligned with the longitudinal axis 42 and its major axis 38 lying in a zone of rotation 43 intersecting the horizontal plane 44 that is normal to the axis 42 and containing the foci 40. The stem 22 has integrally formed a polarizing element 36, and an impedance to matching element 21. There is provided a passband filter 50 and a modified tubular waveguide 60 that provides node differences for the RF signals.

US Patent:

44269609, Jan 24, 1984

Filed:

Aug 24, 1982

Appl. No.:

6/411136

Inventors:

Robert E. Hart - Clearwater FL

Assignee:

Square D Company - Palatine IL

International Classification:

F01P 712
F01P 1116

US Classification:

123 4149

Abstract:

A solid-state, multistage temperature controller for automatically controlling the operation of fans to maintain the temperature of an associated engine within preselected limits.

US Patent:

54107393, Apr 25, 1995

Filed:

Sep 29, 1992

Appl. No.:

7/954279

Inventors:

Robert H. Hart - San Diego CA

Assignee:

The Titan Corporation - San Diego CA

International Classification:

H04B 726
H04B 148
H04Q 732
G08G 1123

US Classification:

455 66

Abstract:

An apparatus that causes variable data messages to be transmitted automatically following transmission of voice signals over a given communication channel. The apparatus includes a microprocessor for processing variable data to generate a variable data message, and is adapted to be coupled between a radio interface circuit and a microphone handset having a momentary push-to-talk switch in such a manner so as to be transparent during transmission of voice signals while the momentary PTT switch is being actuated. The microprocessor detects deactuation of the PTT switch and responds thereto by providing the variable data message to the radio for transmission. A GPS navigational computer and receiver processes received variable GPS position data to determine the position of the vehicle in which the apparatus is located, and generates a variable position data message component. The microprocessor processes physiological condition data representative of one or more monitored physiological conditions of a person located in common with the apparatus, such as a pilot in an airplane having a two-way radio, and generates a variable physiological status data message component indicative of a given physiological status, such as stress, of said person.