Wave transmission lines and networks – Automatically controlled systems – Impedance matching
Reexamination Certificate
2009-08-01
2011-12-20
Lee, Benny (Department: 2817)
Wave transmission lines and networks
Automatically controlled systems
Impedance matching
C333S174000, C333S176000
Reexamination Certificate
active
08081043
ABSTRACT:
A method and apparatus for dynamically varying the impedance of a tank circuit whereby, over time, the response of the circuit to a received signal is maximized.
REFERENCES:
patent: 6104291 (2000-08-01), Beauvillier et al.
patent: 6272321 (2001-08-01), Bruhnke et al.
patent: 6784813 (2004-08-01), Shanks et al.
patent: 7055754 (2006-06-01), Forster
patent: 2005/0184922 (2005-08-01), Ida et al.
patent: 2005/0237198 (2005-10-01), Waldner et al.
patent: 2006/0276987 (2006-12-01), Bolander et al.
patent: 2007/0296593 (2007-12-01), Hall et al.
patent: 2008/0055091 (2008-03-01), Song et al.
Fernald, Cook, Miller & Paulos; A Microprocessor-Based Implantable Telemetry System; Computer, pp. 23-30, Mar. 1991.
Fernald, Paulos, Stackhouse & Heaton; A Self-Tuning Digital Telemetry IC for Use in a Microprocessor-Based Implantable Instrument; J. Solid-State Cir., v.27, pp. 1826-1832, Dec. 1992.
Fernald, Paulos, Stackhouse & Heaton; An Implantable Digital Telemetry IC Using an Automatic Resonant—Frequency Search Technique; ISSCC 92, WP 4.4, 1992.
Fernald, Stackhouse, Paulos & Miller; A System Architecture for Intelligent Implantable Biotelemetry Instruments; Proc. IEEE Eng in Medicine Conf, pp. 1411-1412, Nov. 1989.
Paulos, Fernald & Poulton; Custom ICs for Biomedical Applications; Proc. 1st Symp. Comm., Signal Proc, Expert Sys & ASIC VLSI Design, pp. 45-48, Mar. 1990; w/slides.
Paulos & Miller; Analog Circuits NSF/ERC Core A.2; Proc. IEEE Eng in Medicine Conf., pp. 677-678, Nov. 1990; w/slides.
Stackhouse; A Transmitter Circuit Design for an Implantable Biomedical Chip Set; Masters Thesis, NC State Univ, E&CE Dept., 1989.
Fernald; A Microprocessor-Based System for the Fast Prototyping of Implantable Instruments for Biomedical Research Application; PhD Thesis, NC State Univ, E&CE Dept., 1992.
T. A. Scharfeld, “An Analysis of the Fundamental Constraints on Low Cost Passive Radio-Frequency Identification System Design”, MIT (Aug. 2001).
Zhongkai Zhong, “An Analog Cell Library Useful for Artificial Neural Networks”, IEEE Proceedings—1990 Southeastcon.
Lee Benny
Myers Jeffrey Van
Pennington Artie A.
Pumo Joseph
RFMicron, Inc.
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