Ralph W. Quan

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Broomfield, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Tuning an RFID reader with electronic switches
- Patent number 7,539,465
- Issue date May 26, 2009
- Assa Abloy AB
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antenna array for an RFID reader compatible with transponders opera...
- Patent number 7,439,862
- Issue date Oct 21, 2008
- Assa Abloy AB
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RFID reader utilizing an analog to digital converter for data acqui...
- Patent number 7,180,403
- Issue date Feb 20, 2007
- Assa Abloy Identification Technology Group AB
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RFID system having a field reprogrammable RFID reader
- Patent number 7,124,943
- Issue date Oct 24, 2006
- Assa Abloy Identification Technology Group AB
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Tuning an RFID reader with electronic switches
- Publication number 20080088415
- Publication date Apr 17, 2008
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RFID system having a field reprogrammable RFID reader
- Publication number 20060065730
- Publication date Mar 30, 2006
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Antenna array for an RFID reader compatible with transponders opera...
- Publication number 20050258966
- Publication date Nov 24, 2005
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RFID reader utilizing an analog to digital converter for data acqui...
- Publication number 20050258940
- Publication date Nov 24, 2005
- Ralph W. Quan
- G06 - COMPUTING CALCULATING COUNTING