Publications and Patents | Colorado Electronic Product Design

Members of Colorado Electronic Product Design have participated in the following publications and patents:

PUBLICATIONSClick on the titles to view the papers.

Farrell D. J. and Gilbert J. A.; “Methods for Improving the Signal to Total Distortion and Gain Variation with Input Level for PCM Transmission and Switching Systems,” Proc. of the ICSPAT, 1997.
Farrell D. J. and Gilbert J. A.; “Dithering and Encoding Methods to Benefit the Application of DSP in PCM Systems,” Proc. of the ICSPAT, 1998.
Gilbert, J. A. and Farrell, D. J.; “An FPGA Implementation of a Digital QRS Detector,” ICSPAT Proceedings. Miller Freeman, 1999
Farrell, D.J. and Williams, D. M.; “Implementation of Digital Filters in Programmable Logic Devices,” Class #: 551 Embedded Systems Conference, CMP, 2001
Farrell D. and Oakley A.; “An FPGA digital radio utilizing off-the-shelf boards and portable VHDL,” Proc. GSPx Conf., Santa Clara, CA, Fall 2004.
Farrell D., Oakley A., and Lyons R.; “Discrete-Time Quadrature FM Detection,” IEEE Signal Processing Magazine, September 2005

PATENTS (U.S. filings)

#4583220: Analog Subscriber Carrier System Repeater with Automatic Gain and Slope Correction
#4580260: Analog Subscriber Carrier System Terminal with Automatic Gain and Slope Correction
#5151935: Adaptive No Balance DX Signaling Circuit
#5247574: Programmable Universal Signaling Circuit for a Telephone Network
#5539602: Ground Fault Interrupter
#5197068: Intra Channel Bank Communications Protocols Between Channels and the Line Interface Unit of a Telephone System
#6377825: Hands-free Wireless Communication in a Vehicle
#7298671: Seismic-Data Acquisition Methods and Apparatus
#7668044: Data Offload and Charging Systems and Methods