Alex P Yang

US Patent:

20210334490, Oct 28, 2021

Filed:

Apr 23, 2021

Appl. No.:

17/239399

Inventors:

- New York NY, US
Alex Yang - Sunnyvale CA, US

International Classification:

G06K 7/14
G06K 19/06

Abstract:

Systems and methods for generating, reading, and using contrast barcodes for information access is disclosed. A code is received and embedded into one or more edges within or alongside an object by adjusting gamuts such as colors to create contrast. In example embodiments, an image of an object embedded with a contrast edge barcode is received from a user device. A plurality of axis points is defined along an area in the image containing a contrast edge barcode. Data encoded in the pixels along the axis points are decoded by detecting a contrast in colors.

US Patent:

20140315175, Oct 23, 2014

Filed:

Jan 23, 2013

Appl. No.:

13/748346

Inventors:

Hoang Nguyen - San Jose CA, US
Ryan Olivera - Granite Bay CA, US
Alex Yang - San Francisco CA, US
Sri Radhakrishnan - Cupertino CA, US
Steve Wallace - Tracy CA, US
Surag Mantri - Sunnyvale CA, US
Greg Pulido - Sunnyvale CA, US
Ramon Estrada - San Lorenzo CA, US

Assignee:

Pulmonx Corporation - Redwood City CA

International Classification:

G09B 23/32

US Classification:

434272

Abstract:

A system for simulating a breathing lung is disclosed. The system comprises a lung model contained within an enclosure, wherein a main bronchus of the lung model is open to ambient air. In one embodiment, the system also comprises a vacuum pump connected to the enclosure, a first normally closed 2-way valve connected to the enclosure, a flow controller connected to both the vacuum pump and the enclosure, and a timer connected to the first normally closed 2-way valve. In alternative embodiments, the system comprises a first pump connected to the enclosure and a second pump connected to the enclosure, wherein the first and second pumps work independently of each other, and wherein the first pump is a vacuum pump, and the second pump is either a peristaltic pump or a piston pump.