California Institute of Technology
Gordon & Betty Moore Professor
of Engineering & Applied Science, Emeritus
Contact: Donna L. Fox Email: dfox@caltech.edu
Phone: 626.395.2812

Patents

  1. Diorio, Christopher J. and Mead, Carver A., "pMOS Analog EEPROM cell," U.S. Patent No. 6,452,835 B1, issued September 17, 2002. (Continuation of U.S. Patent no. 5,898,613, issued April 27, 1999.)
  2. Diorio, Christopher J. and Mead, Carver A., "pMOS EEPROM nonvolatile data storage," U.S. Patent No. 6,144,581, issued November 7, 2000
  3. Diorio, Christopher J. and Mead, Carver A., "Semiconductor structure for long-term learning," U.S. Patent No. 6,125,053, issued September 26, 2000.
  4. Mead, Carver A. and Delbruck, Tobias, "Sense amplifier for high-density imaging array," U.S. Patent No. 6,097,432, issued August 1, 2000.
  5. Mead, Carver A., Delbruck, Tobi, and Chi, Min-Hwa, "Capacitive coupled bipolar active pixel imager having overflow protection and electronic shutter," U.S. Patent No. 6,088,058, issued July 11, 2000.
  6. Stockham, Jr., Thomas G., Chabries, Douglas M., and Mead, Carver A., "Hearing aid device incorporating signal processing techniques," U.S. Patent No. 6,072,885, issued June 6, 2000.
  7. Mead, Carver A., Chabries, Douglas M., and Davis, Keith L., "Digital hearing aid using differential signal representations," U.S. Patent No. 6,044,162, issued March 28, 2000.
  8. Nise, Benjamin E., Mead, Carver A., and Fang, Xialoing, "Passive switched capacitor delta analogto-digital converter with programmable gain control," U.S. Patent No. 5,995,036, issued November 30, 1999.
  9. Diorio, Christopher J., Hasler, Paul E., Minch, Bradley A., and Mead, Carver A., "Hole impact ionization mechanism of hot electron injection and four-terminal FET semiconductor structure for long-term learning," U.S. Patent No. 5,990,512, issued November 23, 1999.
  10. Minch, Bradley A., Hasler, Paul E., Diorio, Christopher J., and Mead, Carver A., "Autozeroing floating-gate amplifier," U.S. Patent No. 5,986,927, issued November 16, 1999.
  11. Bergemont, Albert, Chi, Min-Hwa, Haggag, Hosam, Mead, Carver, "Capacitor-coupled bipolar active pixel sensor with integrated electronic shutter," U.S. Patent No. 5,932,873, issued August 3, 1999.
  12. Diorio, Christopher J., Hasler, Paul E., Minch, Bradley A., and Mead, Carver A., "Method for implementing a learning function," U.S. Patent No. 5,914,894, issued June 22, 1999.
  13. Diorio, Christopher J. and Mead, Carver A., "pMOS analog EEPROM cell," U.S. Patent No. 5,898,613, issued April 27, 1999.
  14. Minch, Bradley A., Hasler, Paul E., Diorio, Christopher J., and Mead, Carver A., "Autozeroing floating gate amplifier," U.S. Patent No. 5,875,126, issued February 23, 1999.
  15. Mead, Carver A. and Delbruck, Tobias, "Sense amplifier for high-density imaging array," U.S. Patent No. 5,844,265, issued December 1, 1998.
  16. Delbruck, Tobias and Mead, Carver A., "Correlated double sampling circuit," U.S. Patent No. 5,838,176, issued November 17, 1998.
  17. Bergemont, Albert, Mead, Carver A., Chi, Min-Hwa, and Haggag, Hosam, "Method of manufacturing a thin poly, capacitor coupled contactless imager with high resolution and wide dynamic range," U.S. Patent No. 5,837,574, issued November 17, 1998.
  18. Diorio, Christopher J., Hasler, Paul E., Minch, Bradley A., and Mead, Carver A., "Three-terminal silicon synaptic device," U.S. Patent No. 5,825,063, issued October 20, 1998.
  19. Chi, Min-Hwa, Bergemont, Albert, Mead, Carver, "Method of making a contactless capacitor-coupled bipolar active pixel sensor with intergrated electronic shutter," U.S. Patent No. 5,776,795, issued July 7, 1998.
  20. Mead, Carver A. and Faggin, Federico, "Integrating imaging system with phototransistor having wide dynamic range," U.S. Patent No. 5,763,909, issued June 9, 1998.
  21. Chi, Min-Hwa, Bergemont, Albert, Mead, Carver, "Contactless capacitor-coupled bipolar active pixel sensor with integrated electronic shutter," U.S. Patent No. 5,734,191, issued March 31, 1998.
  22. LeMoncheck, John, Allen, Timothy P., Steinbach, Gunter, and Mead, Carver A., "Writable analog reference voltage storage device," U.S. Patent No. 5,629,891, issued May 13, 1997.
  23. Diorio, Christopher J., Hasler, Paul E., Minch, Bradley A., and Mead, Carver A., "Semiconductor structure for long term learning," U.S. Patent No. 5,627,392, issued May 6, 1997.
  24. Bergemont, Albert, Mead, Carver A., Chi, Min-Hwa, and Haggag, Hosam, "Method of manufacturing a capacitor coupled contactless imager with high resolution and wide dynamic range," U.S. Patent No. 5,576,237, issued November 19, 1996.
  25. Bergemont, Albert, Mead, Carver A., Chi, Min-Hwa, and Haggag, Hosam, "Base capacitor coupled photosensor with emitter tunnel oxide for very wide dynamic range in a contactless imaging array," U.S. Patent No. 5,566,044, issued October 15, 1996.
  26. Bergemont, Albert, Mead, Carver A., Chi, Min-Hwa, and Haggag, Hosam, "Capacitor coupled contactless imager with high resolution and wide dynamic range," U.S. Patent No. 5,552,619, issued September 3, 1996.
  27. LeMoncheck, Allen, Timothy P., Steinbach, Gunter, and Mead, Carver A., "Writable analog reference voltage storage device," U.S. Patent No. 5,541,878, issued July 30, 1996.
  28. Mead, Carver A., Wolf, Ralph, and Allen, Timothy P., "Paintbrush stylus for capacitive touch sensor pad," U.S. Patent No. 5,488,204, issued January 30, 1996.
  29. Sarpeshkar, Rahul and Mead, Carver A., "CMOS low-power, wide-linear-range, well-input differential and transconductance amplifiers," U.S. Patent No. 5,463,348, issued October 31, 1995.
  30. Steinbach, Gunter, Allen, Timothy P, and Mead, Carver A., "Adaptive analog minimum/maximum selector and subtractor circuit," U.S. Patent No. 5,408,194, issued April 18, 1995.
  31. Delbruck, Tobias and Mead, Carver A., "Adaptive photoreceptor including adaptive element for longtime-constant continuous adaptation with low offset and insensitivity to light," U.S. Patent No. 5,376,813, issued December 27, 1994.
  32. Allen, Timothy P., Anderson, Janeen D. W., Mead, Carver A., Faggin, Federico, Platt, John C., and Wall, Michael F., "Electrically adaptable neural network with post-processing circuitry," U.S. Patent No. 5,331,215, issued July 19, 1994.
  33. Mead, Carver A. and Faggin, Federico, "Integrating imaging systgem having wide dynamic range with sample/hold circuits," U.S. Patent No. 5,324,958, issued June 28, 1994.
  34. Lyon, Richard F., Delbruck, Tobias, and Mead. Carver A., "Circuits for wide input range analog rectification and correlation," U.S. Patent No. 5,319,268, issued June 7, 1994.
  35. Mead, Carver A., Anderson, Janeen D. W., and Platt, John C., "Continuous synaptic weight update mechanism," U.S. Patent No. 5,303,329, issued April 12, 1994.
  36. Mead, Carver A., "High-density photosensor and contactless imaging array having wide dynamic range," U.S. Patent No. 5,289,023, issued February 22, 1994.
  37. Mead, Carver A. and Faggin, Federico, "Sense amplifier," U.S. Patent No. 5,276,407, issued January 4, 1994.
  38. Mead, Carver A. and Faggin, Federico, "Integrating photosensor and imaging system having wide dynamic range with varactors," U.S. Patent No. 5,260,592, issued November 9, 1993.
  39. Allen, Timothy P., Greenblatt; Adam K., Mead, Carver A., and Anderson, Janeen D. W., "Writable analog reference voltage storage device," U.S. Patent No. 5,243,554, issued September 7, 1993.
  40. Platt, John C., Anderson, Janeen D. W., and Mead, Carver A., "Synaptic element including weight-storage and weight-adjustment circuit," U.S. Patent No. 5,204,549, issued April 20, 1993.
  41. Allen, Timothy P., Greenblatt, Adam K., Mead, Carver A., and Anderson, Janeen D. W., "Writable analog reference voltage storage device," U.S. Patent No. 5,166,562, issued November 24, 1992.
  42. Platt, John C., Wall, Michael F., Gribble, Glenn E., and Mead, Carver A., "Circuits for linear conversion between currents and voltages," U.S. Patent No. 5,165,054, issued November 17, 1992.
  43. Anderson, Janeen D. W., Mead, Carver A., Allen, Timothy P., and Wall, Michael F., "Adaptable MOS current mirror," U.S. Patent No. 5,160,899, issued November 3, 1992.
  44. Anderson, Janeen D. W., Mead, Carver A., Allen, Timothy P., and Wall, Michael F., "CMOS winner-take all circuit with offset adaptation," U.S. Patent No. 5,146,106, issued September 8, 1992.
  45. Platt, John C., Wall, Michael F., Gribble, Glenn E., and Mead, Carver A., "Circuits for linear conversion between voltages and currents," U.S. Patent No. 5,126,685, issued June 30, 1992.
  46. Mead, Carver A., Faggin, Federico, Allen, Timothy P., and Anderson, Janeen D. W., "Synaptic element and array," U.S. Patent No. 5,120,996, issued June 9, 1992.
  47. Anderson, Janeen D. W., Mead, Carver A., Allen, Timothy P., and Wall, Michael F., "CMOS current mirror with offset adaptation," U.S. Patent No. 5,119,038, issued June 2, 1992.
  48. Mead, Carver A. and Allen, Timothy P., "CMOS amplifier with offset adaptation," U.S. Patent No. 5,109,261, issued April 28, 1992.
  49. Platt, John C., Wall, Michael F., Gribble, Glenn E., and Mead, Carver A., "Linear, continuous-time, two quadrant multiplier," U.S. Patent No. 5,107,149, issued April 21, 1992.
  50. Sivilotti, Massimo and Mead, Carver A., "CMOS single phase registers," U.S. Patent No. 5,103,116, issued April 7, 1992.
  51. Delbruck, Tobias and Mead, Carver A., "Subthreshold MOS circuits for correlating analog input voltages," U.S. Patent No. 5,099,156, issued March 24, 1992.
  52. Mead, Carver A. and Faggin, Federico, "Integrating photosensor and imaging system having wide dynamic range," U.S. Patent No. 5,097,305, issued March 17, 1992.
  53. Mead, Carver A., "Subthreshold CMOS amplifier with wide input voltage range," U.S. Patent No. 5,095,284, issued March 10, 1992.
  54. Mead, Carver A., Allen, Timothy P., Faggin, Federico, and Anderson, Janeen D. W., "Synaptic element and array," U.S. Patent No. 5,083,044, issued January 21, 1992.
  55. Mead, Carver A. and Allen, Timothy P., "Adaptable current mirror," U.S. Patent No. 5,073,759, issued December 17, 1991.
  56. Mead, Carver A. and Allen, Timothy P., "CMOS amplifier with offset adaptation," U.S. Patent No. 5,068,622, issued November 26, 1991.
  57. Anderson, Janeen D. W., Mead, Carver A., Allen, Timothy P., and Wall, Michael F., "CMOS amplifier with offset adaptation," U.S. Patent No. 5,059,920, issued October 22, 1991.
  58. Mead, Carver A., Lazzaro, John, Mahowald, M. A., and Ryckebusch, Sylvie, "Winner-take-all circuits for neural computing systems," U.S. Patent No. 5,059,814, issued October 22, 1991.
  59. Mead, Carver A. and Allen, Timothy P., "Adaptable CMOS winner-take all circuit," U.S. Patent No. 5,049,758, issued September 17, 1991.
  60. Mead, Carver A., Allen, Timothy P., and Faggin, Federico, "Dynamic synapse for neural network," U.S. Patent No. 4,962,342, issued October 9, 1990.
  61. Anderson, Janeen D. W. and Mead, Carver A., "MOS device for long-term learning," U.S. Patent No. 4,953,928, issued September 4, 1990.
  62. Mead, Carver A. and Allen, Timothy P., "Subthreshold CMOS amplifier with offset adaptation," U.S. Patent No. 4,935,702, issued June 19, 1990.
  63. Mead, Carver A. and Allen, Timothy P., "Scanning method and apparatus for current signals having large dynamic range," U.S. Patent No. 4,876,534, issued October 24, 1989.
  64. Mead, Carver A., Mahowald, Michelle A., and Sivilotti, Massimo A., "Integrated sensor and processor for visual images," U.S. Patent No. 4,786,818, issued November 22, 1988.
  65. Mead, Carver A. and Lyon, Richard F., "Electronically variable active analog delay line," U.S. Patent No. 4,771,196, issued September 13, 1988.
  66. Mead, Carver, Shen, Cecilia, "Electrically erasable programmable logic array (EEPLA)," U.S. Patent No. 4,745,579, issued May 17, 1988.
  67. Wawrzynek, John C. and Mead, Carver A., "Electronic system for synthesizing and combining voices of musical instruments," U.S. Patent No. 4,736,663, issued April 12, 1988.
  68. Mead, Carver A., Wawrzynek, John C., and Lin, Tzu-Mu, "Electronic musical instrument," U.S. Patent No. 4,736,333, issued April 5, 1988.
  69. Mead, Carver A. and Wawrzynek, John C., "CMOS logic circuit," U.S. Patent No. 4,716,312, issued December 29, 1987.
  70. Tanner, John E. and Mead, Carver A., "Correlating optical motion detector," U.S. Patent No. 4,631,400, issued December 23, 1986.
  71. Mead, Carver A., "High level control processor," U.S. Patent No. 4,099,230, issued July 4, 1978.
  72. Mead, Carver, "Processor which sequences externally of a central processor," U.S. Patent No. 3,959,774, issued May 25, 1976.
  73. Goldman, Arnold J., Kurtin, Stephen L., Mead, Carver A., "Electronic text display and processing system," U.S. Patent No. 3,810,107, issued May 7, 1974.
  74. Mead, Carver A., "Logic system," U.S. Patent No. 3,803,587, issued April 9, 1974.
  75. Goldman, Arnold J., Kurtin, Stephen L., Mead, Carver A., "Electronic text display system which simulates a typewriter," U.S. Patent No. 3,786,429, issued January 15, 1974.
  76. Mead, Carver A. and McCaldin, James O., "Electroluminescent device," U.S. Patent No. 3,786,315, issued January 15, 1974.
  77. Jenkins, Robert, Mead, Carver A., McCaldin, James, "Ohmic contact to zinc sulfide devices," U.S. Patent No. 3,780,427, issued December 25, 1973.
  78. Mead, Carver A. and Kurtin, Stephen, "Thermometer probe," U.S. Patent No. 3,678,751, issued July 25, 1972.
  79. Mead, Carver A., "Integrated circuit character generator," U.S. Patent No. 3,656,146, issued April 11, 1972.
  80. Mead, Carver A. and McCaldin, James O., "Method for processing semiconductors," U.S. Patent No. 3,650,823, issued March 21, 1972.
  81. Jenkins, Robert, Mead, Carver A., McCaldin, James, "Ohmic contact to zinc sulfide devices," U.S. Patent No. 3,614,551, issued October 19, 1971.
  82. Kurtin, Stephen L. and Mead, Carver A., "Disposable body temperature sensor," U.S. Patent No. 3,603,150, issued September 7, 1971.