1
Douglas W Constable: Ambient light contrast and color control circuit. GTE Sylvania Incorporated, Norman J O Malley, Thomas H Buffton, Robert T Orner, May 16, 1978: US04090216 (165 worldwide citation)

Contrast and color levels in a color television receiver are automatically varied with ambient light variations by an RC circuit AC coupling an ambient light responsive device to a luminance signal channel and DC coupling the ambient light responsive device to a DC potential source and a chrominance ...


2
Richard W Anderson, Frederick F Bodenrader: Back-lighted display arrangement. GTE Sylvania Incorporated, Peter Xiarhos, Elmer J Nealon, Norman J O Malley, February 8, 1977: US04006546 (113 worldwide citation)

A back-lighted display arrangement including a soft, compressible opaque light baffle sandwiched between a lamp assembly and a display panel. The light baffle has a grid-like configuration defining a plurality of compartments each of which is arranged to receive a different one of a plurality of lam ...


3
Joseph J Cleveland: Method for producing ceramic cellular structure having high cell density. GTE Sylvania Incorporated, Norman J O Malley, John C Fox, Donald R Castle, April 12, 1977: US04017347 (65 worldwide citation)

A ceramic cellular structure having a cell density of up to 1600 cells per square inch and wall thicknesses down to 2 mils is produced by a process which comprises: (1) forming a slurry consisting essentially of finely divided sinterable solid particles of ceramic raw materials and a controlled amou ...


4
William C Knoll: High power factor conversion circuitry. GTE Sylvania Incorporated, Norman J O Malley, Thomas H Buffton, Robert T Orner, August 22, 1978: US04109307 (62 worldwide citation)

A high power factor conversion circuit suitable as a ballast circuit for lamps includes a full-wave rectifier coupled to an AC potential source and providing a pulsating DC potential. A high frequency inverter is coupled to a load circuit and to a feedback rectifier circuit supplying a rectified hig ...


5
Ivan Leo Ericson, James Elroy Morean: Apparatus for maintaining vertically moving strip at established tension. GTE Sylvania Incorporated, Norman J O Malley, Lawrence R Fraley, Donald R Castle, March 1, 1977: US04009815 (52 worldwide citation)

An apparatus for maintaining a vertically-oriented moving strip of thin and flexible metallic material at an established degree of tension in order to prevent deformation of the strip. The apparatus includes first and second series of vertically oriented rollers which extend above the apparatus's mo ...


6
Sergej T Buljan, Philip E Stermer: High density high strength S13 N4 ceramics prepared by pressureless sintering of partly crystalline, partly amorphous S13 N4 powder. GTE Sylvania Incorporated, Norman J O Malley, John C Fox, Donald R Castle, February 14, 1978: US04073845 (47 worldwide citation)

Si.sub.3 N.sub.4 ceramics exhibiting densities and modulus of rupture values heretofore obtainable only by hot pressing are produced by pressureless sintering of powder compacts of partly amorphours, partly crystalline Si.sub.3 N.sub.4 powder containing between 5 and 60 percent by weight of crystall ...


7
Ira J Pitel: Sinusoidal wave oscillator ballast circuit. GTE Sylvania Incorporated, Norman J O Malley, Thomas H Buffton, Robert T Orner, February 21, 1978: US04075476 (47 worldwide citation)

A sinusoidal wave oscillator ballast circuit includes a tuned oscillator coupled to a DC rectifier means coupled by a power factor correction circuit to an AC potential source. The oscillator is coupled to an inductor means including a first and second transformer means with the secondary winding of ...


8
Joseph J Cleveland: Ceramic cellular structure having high cell density and catalyst layer. GTE Sylvania Incorporated, Norman J O Malley, John C Fox, Donald R Castle, May 24, 1977: US04025462 (43 worldwide citation)

A ceramic cellular structure having a cell density of up to 1600 cells per square inch and wall thicknesses down to 2 mils is produced by a process which comprises: (1) forming a slurry consisting essentially of finely divided sinterable solid particles of ceramic raw materials and a controlled amou ...


9
Richard F Cheney, Charles L Moscatello, Frederick J Mower: Process for producing free flowing powder and product. GTE Sylvania Incorporated, Norman J O Malley, Donald R Castle, John C Fox, August 10, 1976: US03974245 (43 worldwide citation)

Free flowing powders such as for flame spray applications are produced by agglomerating finely divided material, classifying the agglomerates to obtain a desired size range, entraining the agglomerates in a carrier gas, feeding the agglomerates through a high temperature plasma reactor to cause at l ...


10
John L Ferri, James E Mathers, Ramon L Yale: Terbium-activated rare earth oxysulfide X-ray phosphors. GTE Sylvania Incorporated, Norman J O Malley, Donald R Castle, William H McNeill, August 10, 1976: US03974389 (41 worldwide citation)

Terbium-activated rare-earth oxysulfide X-ray phosphors containing small amounts of cerium exhibit shorter decay times than the same materials without cerium. X-ray intensifying screens employing such phosphors enable improved resolution.