1
Gurdon R Abell, Francis J Cook, Peter D Howes: Method and apparatus for arraying image sensor modules. Avco Everett Research Laboratory, M E Frederick, G R Abell, April 6, 1982: US04323925 (241 worldwide citation)

An image sensor, suitable for resolving a high-resolution image, comprises an arrayed plurality of image sensor modules of moderate individual resolution. The high-resolution image is subdivided into contiguous sub-images, each of which is minified before being projected upon an image sensor module. ...


2
Locke Edward V: Apparatus for heat treating a surface. Avco Everett Research Laboratory, Hogan Esq Charles M, Frederick Esq Melvin E, November 12, 1974: US3848104 (108 worldwide citation)

Apparatus using a high power laser beam for heat treating a surface, such as a metal surface to harden the surface scans the metal surface which has been coated with radiation absorbing material such as carbon, so that the scanned areas of the metal surface are rapidly heated to above the critical t ...


3
Daniel S Gnanamuthu, Edward V Locke: Surface modification. Avco Everett Research Laboratory, Charles M Hogan, Melvin E Frederick, March 29, 1977: US04015100 (91 worldwide citation)

Properties of a surface layer of a metal part are modified by changing its composition and microstructure using focused radiant energy. Minor components of an alloy having the metal of the substrate as the major component thereof are applied to the surface and a limited depth surface layer of the su ...


4
George A Herzlinger, Armando Federico, Arthur R Kantrowitz: Method and means for monitoring cardiac output. Avco Everett Research Laboratory, Charles M Hogan, Melvin E Frederick, October 12, 1976: US03985123 (60 worldwide citation)

A cardiac output monitor. The monitor receives signals representing radial arterial pressure, balloon pressure, balloon drive and balloon volume from an intra-aortic balloon pumping system. These signals are processed to define balloon depletion pressure (P.sub.1), ventricle ejection pressure (P.sub ...


5
Curless Richard W, Federico Armando, Magro Alfred E, Rishton Michael L: External cardiac assistance. Avco Everett Research Laboratory, Hogan Esq Charles M, Frederick Esq Melvin E, February 18, 1975: US3866604 (57 worldwide citation)

The flow of blood through the circulatory system of animals is augmented by sequential application of peristaltic pumping pressure along either or both of the legs and/or arms to develop a counterpulse in the aorta. The counterpulse is generated by equipment interconnected with electrocardiographic ...


6
Daniel S Gnanamuthu: Cladding. Avco Everett Research Laboratory, Charles M Hogan, Melvin E Frederick, April 20, 1976: US03952180 (41 worldwide citation)

A metal layer is clad to a metal substrate by laying spaced rods or wires of a cladding metal on the substrate surface and scanning the cladding metal with a continuously operating laser beam, part of which impinges directly on the cladding metal to melt it and part of which impinges on the adjacent ...


7
Gardiner Gay: Electron beam window structure for broad area electron beam generators. Avco Everett Research Laboratory, Charles M Hogan, Melvin E Frederick, December 6, 1977: US04061944 (41 worldwide citation)

An electron beam window structure for broad area electron beam generators wherein a stream of electrons generated in an evacuated enclosure and extending over a broad area are passed through a thin window to a region of high pressure outside the enclosure. The structure is positioned between the met ...


8
Dominique M Dagenais: Method and apparatus for optical beam shaping. Avco Everett Research Laboratory, M E Frederick, May 21, 1985: US04518232 (35 worldwide citation)

A method and apparatus for transforming an obscured beam into a uniform intensity pattern at the image plane of the apparatus are described. Apparatus for carrying out the invention comprises two on-axis optical elements which are designed for stigmatic imaging of an incoming obscured parallel laser ...


9
Charles W Von Rosenberg Jr, David B Stickler, Richard E Gannon: Very-high-velocity entrained-bed gasification of coal. Avco Everett Research Laboratory, M E Frederick, July 14, 1981: US04278446 (33 worldwide citation)

A process and apparatus for gasification of carbonaceous matter, preferably coal, is disclosed. A stream of previously produced char, preferably produced from coal, or other fuel together with an oxidizer and steam is introduced into a first or combustion stage. The combustion gas produced by the co ...


10
Richard A Hella, John V Staal: Method of and apparatus for heat treating axisymmetric surfaces with an annular laser beam. Avco Everett Research Laboratory, M E Frederick, June 26, 1984: US04456811 (27 worldwide citation)

This invention is directed to a method of and apparatus for heat treating axisymmetric surfaces such as inner and outer surfaces on pipes, shafts, gears, valve seats and the like with a laser beam. An annular laser beam is provided and caused to impinge on a segmented generally conical mirror which ...