1
Roger J Withrington: Optical display systems utilizing holographic lenses. Hughes Aircraft Company, W H MacAllister, Walter J Adam, February 24, 1976: US03940204 (158 worldwide citation)

This invention is applicable to display systems, such as in a helmet mounted display or a head-up display, utilizing a holographic lens operating at a relatively large off-axis angle in order to perform the dual function of a combiner glass and an eyepiece. The holographic lens is used in conjunctio ...


2
Michael N Ernstoff, William C Hoffman, Richard N Winner: Liquid crystal sequential color display. Hughes Aircraft Company, Walter J Adam, W H MacAllister, May 16, 1978: US04090219 (131 worldwide citation)

A liquid crystal field sequential color display is formed by presenting three monochromatic images corresponding to the three primary colors, that is, red, green and blue, consecutively in a repetitive sequence and at a rate greater than the flicker fusion frequency for human vision. Each field cont ...


3
David D Lynch Jr, Lee W Tower: Pipe line high speed signal processor. Hughes Aircraft Company, W H MacAllister, Walter J Adam, May 24, 1977: US04025771 (97 worldwide citation)

Control for overlapping instruction execution in an arithmetic unit is provided by stepping a sequence of instructions through a plurality of registers connected in cascade and separately decoding each instruction in a register for control of a corresponding stage in one or more data processing path ...


4
Joseph Burnsweig, Charles F Bancroft: Transmitter-receiver system utilizing pulse position modulation and pulse compression. Hughes Aircraft Company, Walter J Adam, W H MacAllister, June 3, 1980: US04206316 (96 worldwide citation)

Transmitter are receiver systems are disclosed including an encoder and a decorder, respectively. The encoder samples an incoming analog video signal and operates a periodic bipolar pulse pair whose phase separation is proportional to the amplitudes of the sampled data, thus pulse position modulatio ...


5
David D Lynch Jr, Lee W Tower: System for addressing and address incrementing of arithmetic unit sequence control system. Hughes Aircraft Company, Walter J Adam, W H MacAllister, February 21, 1978: US04075688 (58 worldwide citation)

Control for overlapping instruction execution in an arithmetic unit is provided by stepping a sequence of instructions through a plurality of registers connected in cascade and separately decoding each instruction in a register for control of a corresponding stage in one or more data processing path ...


6
Laurence E Broniwitz, Mark I Landau, John B Pearson III: System for resolving velocity ambiguity in pulse-doppler radar. Hughes Aircraft Company, W H MacAllister, Walter J Adam, January 27, 1976: US03935572 (50 worldwide citation)

A pulse-doppler radar tracking system is disclosed employing four filter channels for tracking range, velocity, azimuth and elevation. Each channel is mechanized in a Kalman filter form by a stored program in a digital computer. The range channel estimates target range, R.sub.TPR, range rate, V.sub. ...


7
David J Ketcham, Roger W Lowe, Michael D Pruznick, Eugene W Opittek: Raster display histogram equalization. Hughes Aircraft Company, Walter J Adam, W H MacAllister, September 28, 1976: US03983320 (44 worldwide citation)

Real time histogram equalization systems for a television type display that performs equalization with one or two dimensional processing on a local area or sliding window basis. For the two dimensional system, the intensity for any particular point in the image is adjusted according to a histogram o ...


8
Eugene W Opittek, David J Ketcham, Edward J Dragavon: Histogram equalization system for display improvement. Hughes Aircraft Company, Walter J Adam, W H MacAllister, September 7, 1976: US03979555 (42 worldwide citation)

A histogram equalization system that adaptively redistributes the intensity coding of the video in order to provide an equal number of elements at all display intensity levels. The actual amplitude value of the input video as stored in an integrator, for example, is utilized to address a random acce ...


9
Laurence E Broniwitz, John B Pearson III, Mark I Landau: Tracking system utilizing Kalman filter concepts. Hughes Aircraft Company, Walter J Adam, W H MacAllister, April 20, 1976: US03952304 (42 worldwide citation)

A monopulse radar tracking system is disclosed employing four tracking channels, one for each of range, velocity, azimuth and elevation. The two angle channels are referenced directly to antenna coordinates. Each channel is mechanized by a stored program in a digital computer, and the mechanization ...


10
Lanny L Lewyn: Heart rate measurement system. Hughes Aircraft Company, W H MacAllister, Walter J Adam, March 31, 1981: US04258719 (41 worldwide citation)

A pulsed IR reflectance plethysmograph for heart rate measurement and display in a digital watch or as a medical instrument using, for example, a pulsed LED light emitting diode for transmitting light pulses and a photodiode for receiving light pulses reflected from a finger. The LED and photodiode ...