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Registered Patents

  PAT. NO. Title
1 5,697,076 Suspended carrier modulation of high-Q transmitters
2 5,179,511 Self-regulating class E resonant power converter maintaining operation in a minimal loss region
3 5,108,784 Composite polymer/desiccant coatings for IC encapsulation
4 5,050,292 Automated method for the manufacture of transponder devices by winding around a bobbin
5 5,025,550 Automated method for the manufacture of small implantable transponder devices
6 4,977,009 Composite polymer/desiccant coatings for IC encapsulation
7 4,939,014 Composite polymer/desiccant coatings for IC encapsulation
8 6,667,923 RAM data array configured to provide data-independent, write cycle coherent current drain
9 6,061,259 Protected transformerless AC to DC power converter
10 5,198,807 Method and apparatus for producing a subcarrier signal for transmission by an inductively coupled transponder
11 5,095,309 Method and apparatus for modulating and detecting a subcarrier signal for an inductively coupled transponder
12 5,084,699 Impedance matching coil assembly for an inductively coupled transponder
13 5,012,236 Electromagnetic energy transmission and detection apparatus
14 5,007,324 Special effects control for portable musical instrument
15 4,293,817 Signal amplitude range compression employing pulse modulation
16 5,329,478 Circuit and method for estimating gradients


Professional Journals & Trade Publications

  • Troyk, P.R., Poyezdala, J., Dubiel, G.,"An encapsulated implantable multichannel neuromuscular stimulator" Proc. 39th Ann. Conf. Eng. Med. Biol. Baltimore, Sept 13-16, p.267 (1986)
  • Troyk, P.R., Jaeger, R.J., Haklin, M. et.al, "Design and implementation of an implantable goniometer". IEEE Trans. Biomed. Eng., BME-33, pp.215-223 (1986)
  • Anderson, J.E., Markovac, V., P.R. Troyk, "Polymer encapsulants for microelectronics: Mechanisms for protection and failure" IEEE Trans. Circuits, Hybrids, Manuf. Comp.. vol 11, no.1, 1988, pp.152-158 (1987)
  • Troyk, P.R., Anderson, J.E., Markovac, V., "The role of surface contamination in the corrosion of silicone encapsulated thin-film devices" SAMPE Conf. Vol. 1 June 23-25, Santa Clara, CA pp.590-601 (1987)
  • Troyk, P.R., Conroy, D., Madigan, M., Anderson, J.E., "Testing of encapsulants for the protection of electronic components." Proc. ACS Polymeric Mat:Sci & Eng. Vol.59, Los Angeles, pp.497-501 (1988)
  • Troyk, P.R., Anderson, J.E., "The effect of volume resistivity on polymer electrical leakage current measurements" 3rd International SAMPE Elect. Conf. June 20-22, pp.969-982 (1989)
  • Troyk, P.R., Conroy, D., Anderson, J.E., "Modeling of triple-track and comb-pattern leakage current measurements in polymeric material for electrical packaging and interconnection", J.H. Lupinski and R.S. Moore, Eds., ACS Symposium Series No. 407, pp.249-267 (1989)
  • Anderson J.E., Markovac, V., Kim, I.U., Troyk, P.R., "Novel coatings that maintain low surface-water concentrations, in polymeric materials for electronics packaging and interconnection", Lupinski, Moore, Eds., ACS Series 407, ACS, Washington, D.C., Chapter 27 (1989)
  • Loeb, G.E., Zamin, C.J., Schulamn, J.H., Troyk, P.R.,"An injectable microstimulator for functional electrical stimulation" Proc. North Sea Conf. Biomed. Eng. 90, Antwerp, November 19-22 (1990)
  • D. A. Kerns. "Analysis of a compact second-order resonant circuit," CNS Memo 12, California Institute of Technology (1991)
  • D. A. Kerns, J. E. Tanner, M. A. Sivilotti, J. Luo. "CMOS UV-writable non-volatile analog memory," published in the proceedings of the Advanced Research in VLSI International Conference 1991, Santa Cruz, California. Carlos Sequin, ed. MIT Press, (1991)
  • S. P. Eberhardt, T. Daud, D. A. Kerns, T. X. Brown, A. P. Thakoor. "A limited- connectivity VLSI network for dynamic assignment problems," poster presentation at Snowbird (1991)
  • S. P. Eberhardt, T. Daud, D. A. Kerns, T. X. Brown, A. P. Thakoor. "Competitive neural architecture for hardware solution to the assignment problem," Neural Networks Vol. 4, No. 4, 1991, pp. 431-442 (invited paper) (1991)
  • D. A. Kerns. "Emotions and autonomous machinery," published in the proceedings of the University of Southern California Center for Neural Engineering Workshop on Emotions, March 18, 1991. Jean-Marc Fellous, editor (1991)
  • Troyk, P.R., Frankovic R., Anderson J.E., "Experimental techniques for electrical testing of microelectronic coatings, IEEE Trans Comp., Hybrids, and Mauf. Tech. vol.14, p428-435 (1991)
  • Anderson, J.E., Adams, K.M., Troyk, P.R., Frankovic, R., "Polymer-coated microelectronics: Comparison of bulk, surface and interphase conductivities", IEEE Trans. Comp., Hybrids, and Manuf. Tech. vol.14, pp.420-427 (1991)
  • Loeb, G.E., Zamin, C.J., Schulman, J.H., Troyk, P.R., "Injectable microstimulator for functional electrical stimulation, Medical Biological Engineering and Computing", Vol. 29, NS13-NS19 (1991)
  • D. Kirk, D. Kerns, K. Fleischer, A. Barr, B. Anderson. "Gradient descent in analog VLSI using noise injection and correlation," poster presentation at the conference on Neural Information Processing Systems, Natural and Synthetic (NIPS), Denver, Colorado, December 1-4, (1992)
  • L. Watts, D. Kerns, R. Lyon, C. Mead. "Improved implementation of the silicon cochlea," IEEE Journal of Solid State Circuits, Vol. 27, No. 5, May 1992, pp. 692-700 (1992)
  • Troyk, P.R., Schwan, M.A., "Class E driver for transcutaneous power and data link for implanted electronic devices", Medical Biological Engineering and Computing., vol. 30, pp.69-75 (1992)
  • Troyk, P.R., Schwan, M.A., "Closed-loop class E transcutaneous power and data link for microimplants", IEEE Trans. Biomed. Eng., vol.39, no.6 (1992)
  • D. A. Kerns. "A monolithic UV detector/dosimeter," Sensors and Actuators A Vol. 39, pp. 225-229 (1993)
  • R. G. Benson, D. A. Kerns. "UV-activated conductances allow multiple time scale learning," IEEE Transactions on Neural Networks Vol. 4, No. 3, pp. 434-440 (May 1993)
  • D. A. Kerns. "Experiments in very large-scale analog computation," California Institute of Technology Ph.D. thesis, division of engineering and applied science (1993)
  • D. A. Kerns. "IC System integration problems," EMC Handbook, R. Perez, editor. Chapter on EMC Problem Solving. Academic Press (1995)
  • D. Kerns. "CMOS-Compatible micromachining processes," Tanner Labs Internal Tech Report 971107-AR0143 (November 1997)
  • Schwan, M., Troyk, P., "Suspended carrier modulation for transcutaneous telemetry links", Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 27-32 (1995)
  • Schwan, M., Troyk, P., "Suspended carrier modulation for transcutaneous telemetry links", Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 27-32 (1995)
  • Troyk, P., Schwan, M., "Modeling of weakly-coupled inductive links", Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 63-68 (1995)
  • Troyk, P., Schwan, M., "Micromodules for implanted telemetry and stimulation", Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 105-111 (1995)
  • Ransom, S.A., Herzon, G.D., Troyk, P.R., Schwan, M.A.K., "Development of an inspiratory pressure triggered laryngeal pacer", IEEE Trans. Rehabilitation Eng., Vol.3, No.4, pp.318-323 (1995)
  • Cameron T, Loeb GE, Peck RA, Schulman JH, Strojnik P, Troyk PR."Micromodular implants to provide electrical stimulation of paralyzed muscles and limbs", IEEE Trans. Biomed. Eng. 44:781-790 (1997)
  • Troyk, P., "Injectable electrical systems", Annual Review of Biomedical Engineering, Annual Reviews, Palo Alto CA, Vol.1:177-211 (1999)
  • Troyk, P.R., DeMichele, G.A., Detlefsen, D., "Modular VLSI electronic design for implantable neural prostheses", Proceedings of the Second Joint EMBS/BMES Conference Houston, TX, USA, pp. 2064 - 2065, October 23-26, (2002)
  • DeMichele, G.A., Troyk, P.R., "Integrated multi-channel wireless biotelemetry system", Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 3372 - 3375 (2003)
  • Troyk, P.R., DeMichele, G.A., "Inductively-coupled power and data link for neural prostheses using a class-E oscillator and FSK modulation", Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 3376 - 3379 (2003)
  • DeMichele, G.A., Troyk, P.R., "Stimulus-resistant neural recording amplifier", Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 3329 - 3332 (2003)
  • R. F. Weir, P. R. Troyk, G. DeMichele, T. Kuiken, "Implantable myoelectric sensors (IMES) for upper-extremity prosthesis control preliminary work", Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 1562 - 1565 (2003)
  • DeMichele, G.A., Troyk, P.R., "Stimulus-resistant neural recording amplifier", Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 3329 - 3332 (2003)
  • DeMichele, G.A., Troyk, P.R., "Integrated multi-channel wireless biotelemetry system", Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 3372 - 3375 (2003)
  • S. F. Cogan, P. R. Troyk, J. Ehrlich, T. D. Plante, D. B. McCreery, L. Bullara, "Charge-injection waveforms for iridium oxide (AIROF) microelectrodes", Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 1960 - 1963 (2003)
  • S. F. Cogan, P. R. Troyk, D. E. Detlefsen, J. Ehrlich, T. D. Plante, D. B. McCreery, "Characterization and variability of intracortical iridium oxide microelectrodes" Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 1976 - 1978 (2003)