J. A. Copeland, J. J. Jerrim, S. C. Swanson, "Method and Apparatus for Serial Data Flow Control," 5,179,661, Jan. 12, 1993.
R. J. Burton, J. A. Copeland, J. J. Jerrim, T. L. Nixon, M. H. Sauser, Jr., R. E. Weatherford, Jr., L. D. Becker, D. F. Strawn, "Method for Sending a Plurality of Data Channels over a Single Communications Line," 5,012,489, April 30, 1991.
J. A. Copeland, "Adaptive Data Compression Method and Apparatus," 4,862,167, Aug. 29, 1989.
J. A. Copeland, "Modem with Improved Handshaking Ability," 4,782,498, Nov. 1, 1988.
J. A. Copeland, "Dual Wavelength Optical Source," 4,577,207, March 18, 1986.
J. A. Copeland, S. E. Miller, "Optically Coupled Integrated Circuit Array," 4,533,833, Aug. 6, 1985.
J. A. Copeland, "Spectrally Stabilized Laser," 4,450,565, May 22, 1984.
J. A. Copeland, S. E. Miller, "Multilayered Optical Integrated Circuit," 4,438,447, March 20, 1984.
J. A. Copeland, "High Sensitivity Photon-Feedback Diodes," 4,399,448, Aug. 16, 1983.
J. A. Copeland, "Mode Stabilized Semiconductor Laser," 4,305,045, Dec. 8, 1981.
J. A. Copeland, "Trap Doped Laser Combined with Photodetector" 4,300,107, Nov. 10, 1981.
J. A. Copeland, "Discriminator Level Control Circuit," 4,271,536, June 2, 1981.
J. A. Copeland, "Semiconductor Overload Protection Structure," 4,189,739, Feb. 19, 1980.
J. A. Copeland, A. G. Dentai, T. P. Lee, "Unidirectional Optical Device and Regenerator," 4,152,713, May 1, 1979.
J. A. Copeland, R. H. Krambeck, "Functionally Static Type Semiconductor Shift Register with Half Dynamic-Half Static Stages," 3,993,916, Nov. 23, 1976.
J. A. Copeland, "Voltage Maintenance Apparatus," 3,982,141, Sept. 21, 1976.
A. H. Bobeck, J. A. Copeland, R. Wolfe, "Single-Wall Domain Propagation Arrangement," 3,778,788, Dec. 11, 1973.
J. A. Copeland, "Lateral Displacement Coding (LDC) Reversible Magnetic Domain Propagation by Single Conductor," 3,774,182, Nov. 20, 1973.
J. A. Copeland, "Lateral Displacement Coding (LDC) Magnetic Domain Writing Circuits," 3,745,542, July 10, 1973.
J. A. Copeland, "Magnetic Bubble Enhanced Propagation Pulse Write for Lateral Displacement Coding," 3,711,840, Jan. 16, 1973.
J. A. Copeland, "Etched Strip Domain Device," 3,701,129, Oct. 24, 1972.
J. A. Copeland, "Magneto-Resistance Detector for Magnetic Bubbles," 3,701,128, Oct. 24, 1972.
J. A. Copeland, "Magnetic Bubble Lateral Displacement Coding (LDC) 180 Bends Using Captive Relay Domains," 3,699,548, Oct. 17, 1972.
J. A. Copeland, "Single-Wall Domain Information Transfer," 3,696,347, Oct. 10, 1972.
J. A. Copeland, "Magnetic Bubble Information Fanout Circuit," 3,680,066, July 25, 1972.
J. A. Copeland, "Stacking Arrangement for Self-Biasing of Magnetic-Bubble Memory," 3,678,478, July 18, 1972.
J. A. Copeland, "Magnetic Domain Full Adder Circuit," 3,676,871, July 11, 1972.
J. A. Copeland, "Multilevel Domain Propagation Code Track," 3,668,667, June 6, 1972.
J. A. Copeland, "Magnetic Domain Logic Arrangement," 3,653,010, March 28, 1972.
J. A. Copeland, "Cross-Over Element," 3,641,518, Feb. 8, 1972.
J. A. Copeland, "Magnetic-Domain Propagation Arrangement," 3,638,205, Jan. 25, 1972.
J. A. Copeland, "Bistable Magnetic Bubble Propagation Tracks," 3,636,531, Jan. 18, 1972.
J. A. Copeland, "Magnetic-Domain Propagation Arrangement," 3,631,413, Dec. 28, 1971.
J. A. Copeland, "Domain Growth Inhibiting by Dielectric Stripes," 3,624,556, Feb. 1972.
J. A. Copeland, "LSA Oscillator Device," 3,617,940, Nov. 2, 1971.
J. A. Copeland, "DC-Pumped Semiconductor Maser," 3,617,911, Nov. 2, 1971.
J. A. Copeland, "Microphone Using LSA Oscillators," 3,605,515, March 14, 1972.
J. A. Copeland, "Apparatus for Determining Deep Impurity Concentration in Semiconductors," 3,605,015, Sept. 14, 1971.
J. A. Copeland, "Improved LSA Oscillators," 3,588,742, Aug. 1971.
J. A. Copeland, "Apparatus Including LSA Oscillator Circuits," 3,573,627, Mar. 6, 1971.
J. A. Copeland, "Circuits Using LSA Oscillators as an Amplifier," 3,477,029, Dec. 1969.
J. A. Copeland, "Self-Starting LSA Circuit," 3,414,348, Dec. 3, 1968.