Christian J Cochran

US Patent:

20150205990, Jul 23, 2015

Filed:

Jan 16, 2015

Appl. No.:

14/599188

Inventors:

- KANSAS CITY MO, US
Christian Cochran - Kansas City MO, US

International Classification:

G06K 7/10

Abstract:

Systems, methods, and devices are provided for a near-field communication (NFC) system for use with mobile computing device. In an embodiment, an RFID reader device is configured for operation with a smart phone using the audio (headphone) port, and which is entirely powered and controlled by the mobile computing device through the audio port. A specially tuned charge pump ladder is used for powering the RFID reader device over a TRRS connection with the mobile computing device, without requiring an internal power source, such as a battery, in the RFID reader device. In an embodiment, an app running on the mobile computing device includes functionality for providing power and data channels over the TRRS port to the RFID reader device.

Address:

416 W 59 St, Kansas City, MO 64113

Phone:

816-361-1417

VIN:

4T1BE46K27U042744

Make:

TOYOTA

Model:

CAMRY

Year:

2007