David V Nguyen

US Patent:

20130341191, Dec 26, 2013

Filed:

Aug 25, 2011

Appl. No.:

13/819411

Inventors:

Stan Smith - Phoenix AZ, US
Brett Duane - Phoenix AZ, US
Cedric Hurth - Tempe AZ, US
David Nguyen - Phoenix AZ, US
Amol Surve - Phoenix AZ, US
Ralf Lenigk - Chandler AZ, US

Assignee:

FORENSIC SCIENCE SERVICE LIMITED - Birmingham

International Classification:

G01N 27/447
H05K 1/11

US Classification:

204601, 361748

Abstract:

An apparatus () for processing a sample, circuit board () suited to use in such an apparatus and a method of processing are provided in which the apparatus () is provided with alignment features to assist in provided the circuit board and a sample cartridge () in the correct position relative to one another. In this way, the plurality of sections for processing a sample in the cartridge () are positioned against a plurality of elements, such as a heater () for heating the sample cartridge () or an electrical contact (EP1-EP4) for powering features on the sample cartridge (), correctly and can operate independently of one another.

US Patent:

55707238, Nov 5, 1996

Filed:

Aug 26, 1994

Appl. No.:

8/296831

Inventors:

Alexander P. Varghese - Bethlehem PA
David D. Nguyen - Bethlehem PA
Thomas Joseph - Macungie PA

Assignee:

Air Products and Chemicals, Inc. - Allentown PA

International Classification:

F16L 918

US Classification:

138111

Abstract:

An assembly and method for supporting a plurality of individually insulated pipes or conduits inside a vacuum jacket where the insulated pipes are positioned or fixed relative to one another and the inside surface of the vacuum jacket.

US Patent:

20210357757, Nov 18, 2021

Filed:

May 15, 2020

Appl. No.:

16/875792

Inventors:

David T. Nguyen - Rockville MD, US

International Classification:

G06N 3/08
G06K 9/62

Abstract:

A system for customizing an artificial intelligence model to process a data set. The system includes an electronic processor that is configured to receive a data set, train a plurality of artificial intelligence models using the received data set, and determine, for each the plurality of artificial intelligence models, an accuracy. The electronic processor is further configured to receive a selection of an artificial intelligence model, receive one or more adjustments to one or more features or feature weights of the selected artificial intelligence model, and execute the selected artificial intelligence model with the one or more adjustments to categorize records in a data set different from the received data set.

US Patent:

20210248904, Aug 12, 2021

Filed:

Apr 22, 2019

Appl. No.:

17/049375

Inventors:

- Falls Church VA, US
David H Nguyen - Southbridge VA, US

International Classification:

G08G 1/08
G08G 1/01
G08G 1/052
G08G 1/056

Abstract:

A traffic detection device for sending a call signal to a traffic signal controller, the traffic detection device having a receiver to receive information sent from a mobile device, the information including identity information and/or location information of the mobile device, a traffic control device (TCD) interface to connect the traffic detection device to the traffic signal controller, and a processor to define a dynamic approach based on one or more of the identity information, speed limit, time of day, or speed of the mobile device. The device may determine whether to send a calf signal to the traffic signal controller via the TCD interface to prompt the traffic signal controller, when the processor determines that the mobile device is in the dynamic approach.

US Patent:

20200365015, Nov 19, 2020

Filed:

May 15, 2020

Appl. No.:

16/874760

Inventors:

- Arlington VA, US
David Hong Nguyen - Southbridge VA, US

International Classification:

G08G 1/01
G08G 1/081

Abstract:

A system for adaptively controlling traffic control devices having a traffic signal system, a computing network, a communication system, and a mobile device. The traffic signal system is configured to be in communication with the computing network through the communication system. The mobile device is also configured to be in communication with the computing network through the communication system. Then the computing network adaptively controls the traffic signal system using a location of the mobile device.

US Patent:

20180174449, Jun 21, 2018

Filed:

Dec 19, 2017

Appl. No.:

15/847351

Inventors:

- Arlington VA, US
David Hong Nguyen - Southbridge VA, US

International Classification:

G08G 1/08
G08G 1/015
G08G 1/01
G08G 1/056
G08G 1/095

Abstract:

A system for adaptively controlling traffic control devices having a traffic signal system, a computing network, a communication system, and a mobile device. The traffic signal system is configured to be in communication with the computing network through the communication system. The mobile device is also configured to be in communication with the computing network through the communication system. Then the computing network adaptively controls the traffic signal system using a location of the mobile device.

US Patent:

20160243542, Aug 25, 2016

Filed:

Sep 18, 2015

Appl. No.:

14/858711

Inventors:

- Foutain Hills AZ, US
- Scottsdale AZ, US
Cedric HURTH - Tempe AZ, US
David NGUYEN - Phoenix AZ, US
Amol SURVE - Chandler AZ, US
Ralf LENIGK - Chandler AZ, US
Frederic ZENHAUSERN - Fountain Hills AZ, US

International Classification:

B01L 3/00
H05K 1/18
H05K 1/02
G01N 35/00

Abstract:

An apparatus for processing a sample, circuit board suited to use in such an apparatus and a method of processing in which the apparatus has alignment features to assist in aligning the circuit board and a sample cartridge in the correct position relative to one another. In this way, the plurality of sections for processing a sample in the cartridge are positioned against a plurality of elements, such as a heater for heating the sample cartridge or an electrical contact (EP-EP) for powering features on the sample cartridge, correctly and can operate independently of one another.