DAVID CONRAD STILLINGER
Pilots at Cambridge Ave, Cardiff By The Sea, CA

License number

California A1834601

Issued Date

Jun 2016

Expiration Date

Jun 2018

Professional information

Cargo Sensing System And Method

US Patent:

6437702, Aug 20, 2002

Filed:

Apr 14, 2000

Appl. No.:

09/549818

Inventors:

Richard Ragland - Cardiff CA
David Stillinger - Cardiff CA
Charles Pedersen - San Diego CA

Assignee:

Qualcomm, Inc. - San Diego CA

International Classification:

G08B 2100

US Classification:

3406861, 3404255, 3406866, 367 93

Abstract:

A method and apparatus for determining whether cargo is present in a freight car. The freight car has a proximal (ârearâ) end with a loading door and opposing, distal (âfrontâ) end. One or more transmitters and receivers are mounted inside the freight car at the front end, toward the cars ceiling. The transmitters/receivers are operated by a controller, which also functions to analyze data from the transmitters/receivers and transmit related reports to a remote monitoring site. During a prescribed time period, a transmitter generates an ultrasonic signal pattern with a coverage area of prescribed radius that terminates before reaching the loading door. During the time period of transmission, or slightly later to account for signal reflection time, the controller operates the receiver to detect reflected signals originating from the transmitter. Then, the controller transmits a report of whether cargo is present in the freight car, based on whether any reflected signals were received.

Ball-Compression Grommet

US Patent:

6070835, Jun 6, 2000

Filed:

Mar 19, 1998

Appl. No.:

9/045156

Inventors:

David C. Stillinger - Cardiff CA

Assignee:

Qualcomm Incorporated - San Diego CA

International Classification:

F16L 500

US Classification:

248 56

Abstract:

A ball-compression grommet is disclosed which is used for mounting an object, such as an electrical or fiber optic cable, through a panel access hole. The ball-compression grommet allows the object to rotate to a wide variety of desired angles with respect to the panel surface, while maintaining an environmental seal against moisture and other contaminants found in outdoor environments. The ball-compression grommet comprises a spherical object having a passage formed substantially through its center. A threaded sleeve and nut are then used to capture the spherical object therebetween, while allowing rotation in relation to the nut and threaded sleeve. Both the threaded sleeve and the nut have an inside portion which is shaped to fit the contour of the spherical object. The spherical object is free to rotate in relation to the threaded sleeve/nut assembly, while at the same time forming an environmental seal from a compression fitting that results between the spherical object and the threaded sleeve. The sleeve/nut assembly may be mounted to an access hole using a retaining nut, securing the ball-compression grommet to the mounting surface.

Mounting Arrangement For Microwave Power Amplifier

US Patent:

6222741, Apr 24, 2001

Filed:

Sep 4, 1998

Appl. No.:

9/146832

Inventors:

William Anthony Drennen - Oceanside CA
David C. Stillinger - Cardiff CA

Assignee:

Qualcomm Incorporated - San Diego CA

International Classification:

H05K 714

US Classification:

361799

Abstract:

A thin, compliant, electrically and thermally conductive aluminum shim for providing minimum distance circuit path from a power amplifier (or transistor) to the underside of the circuit board (ground). The aluminum shim creates an interference fit between the underside of the circuit board and chassis, which guarantees an electrical connection with the bottom of amplifier and underside of the circuit board. Additionally, with the present invention, post-machining of the chassis during assembly of components is not required since the aluminum shim is sufficiently compliant to conform to both the bottom surface of the amplifier and the existent flatness and surface finish on the chassis produced from the initial machining step. This ensures superior electrical and thermal contact to the chassis regardless of slight imperfections in chassis flatness and surface finish at the seat location, thereby improving reliability and decreasing cost of manufacture and assembly.

Cdma Wireless Untethered Trailer Tracking Terminal

US Patent:

D548629, Aug 14, 2007

Filed:

Sep 30, 2005

Appl. No.:

29/239516

Inventors:

Jeffrey Jay Rhine - Poway CA, US
Charles Pedersen - San Diego CA, US
David C. Stillinger - Cardiff by the Sea CA, US
John Phillip Oeth - Cardiff by the Sea CA, US
Kip Leggett - Chula Vista CA, US
Kenneth H. Oertle - San Diego CA, US

International Classification:

1004

US Classification:

D10 74

Universal Mount Cargo Status Sensor Device

US Patent:

D503350, Mar 29, 2005

Filed:

Nov 5, 2002

Appl. No.:

29/170524

Inventors:

Richard R. Ragland - Carlsbad CA, US
David C. Stillinger - Cardiff CA, US
Mark Benton - San Diego CA, US
John Cunningham - Oceanside CA, US
Kip Leggett - Chula Vista CA, US
John P. Oeth - Cardiff by the Sea CA, US
Charles Pedersen - San Diego CA, US

International Classification:

1004

US Classification:

D10 70

Steerable Antenna System

US Patent:

5982333, Nov 9, 1999

Filed:

Aug 3, 1997

Appl. No.:

8/922719

Inventors:

David C. Stillinger - Cardiff CA
Thomas J. Benacka - Carlsbad CA

Assignee:

Qualcomm Incorporated - San Diego CA

International Classification:

H01Q 300

US Classification:

343766

Abstract:

A steerable antenna system for adjusting the elevation of an antenna for communication with a central facility via a satellite. The steerable antenna system includes a motor, a spindle drivingly engaged to the motor, and a chassis fixedly disposed on the spindle. The chassis has a stop disposed about its periphery. A first waveguide is fixedly disposed on the chassis and a second waveguide is disposed on an antenna. A ring cam is mounted on the chassis, and a grooved is formed in the ring cam. A first portion of a lever arm is pivotally mounted on the chassis and a second portion of the lever arm is disposed in the groove of the ring cam. An antenna is hingedly mounted on the chassis and to the lever arm. A solenoid, disposed on a base of the steerable antenna system, is configured to engage a portion of the ring cam. In use, when the solenoid is activated, power from the motor is used to adjust the elevation of the antenna.

Device For Sensing Tractor Trailer Connection

US Patent:

7619506, Nov 17, 2009

Filed:

Aug 24, 2006

Appl. No.:

11/510033

Inventors:

Paul James Knoll - Greenville WI, US
Jeffrey J. Rhine - Poway CA, US
Kip Leggett - Chula Vista CA, US
John Phillip Oeth - Cardiff by the Sea CA, US
David C. Stillinger - Cardiff CA, US
David DeVinny - San Diego CA, US

Assignee:

QUALCOMM Incorporated - San Diego CA

International Classification:

G08B 21/00

US Classification:

340431, 340988, 340679, 280789

Abstract:

A sensor device for detecting whether a tractor and a trailer of a truck are connected includes a container having a plurality of tabs extending radially outwardly to engage an inside surface of a bearing plate of the trailer when the container is located in a hole in the bearing plate. A spring extends from a base of the container away from the face surface to bear upon an interior wall of the trailer to bias the tabs into contact with the inside wall when the container is located in the hole to maintain a position of the container therein. A sensor is also provided for sensing proximity of a ferrous material and being located in the container. The sensor senses proximity of ferrous material of a coupler carried by the tractor without sensing ferrous material of the bearing plate.