1
Takashi Ishii: Method for detecting intermittent error in volatile memory. International Business Machines Corporation, Frederick D Poag, Joseph J Connerton, October 6, 1987: US04698808 (111 worldwide citation)

Primary and secondary data save areas are established in a volatile memory (CMOS) which is backed up with a battery. The same predetermined data are stored in the primary and secondary data areas together with check sum. At a power on time, the data of the primary area are added together and the dat ...


2
Tony N Criscimagna, Harry S Hoffman Jr, William R Knecht: Video mode plasma display. International Business Machines Corporation, Joseph J Connerton, September 9, 1986: US04611203 (66 worldwide citation)

An A.C. Plasma Display Panel is operated in a video mode using the same signal train as applied to a conventional cathode ray tube terminal. For character generation, a selective erase technique is employed in which all cells in a raster line are discharged and then selectively erased in accordance ...


3
Mohamed O Aboelfotoh: Color plasma display device. International Business Machines Corporation, Joseph J Connerton, January 31, 1984: US04429303 (43 worldwide citation)

A multicolor gaseous discharge display device utilizes electroluminescent techniques as a plasma environment. A layer of electroluminescent phosphor material is used as the dielectric layer overlying the conductor electrodes in an A.C. plasma device. In one embodiment for generating a two color disp ...


4
Robert A Biamonte, Joseph W Bogdanski, Kevin R Covi, Herman P Meyer, Daniel I Rafkind: Parallel power systems. International Business Machines Corporation, Joseph J Connerton, August 23, 1988: US04766364 (40 worldwide citation)

A d.c. power supply system comprises a plurality of voltage regulating power supplies connected in a master slave configuration, the number of regulators being one greater than required to provide load current requirements. The master regulator generates a control signal to control the output of the ...


5
Alan S Murphy: Automatic highlighting in a raster graphics display system. International Business Machines Corporation, George E Clark, Joseph J Connerton, Frederick D Poag, February 16, 1988: US04725829 (33 worldwide citation)

In an interactive graphics display system in which pels in a frame buffer are mapped to the display screen of a raster display device, a method of automatically highlighting and de-highlighting graphic segments as a cursor is moved across the display screen comprises sampling a locator device at suc ...


6
Paul D Bellamy, Richard A Fritz, Wayne V Myers, Gary J Robinson, Raymond L Simonetty, Jordan M Taylor: Resistive pin for printed circuit card connector. International Business Machines Corporation, Joseph J Connerton, May 31, 1988: US04747783 (32 worldwide citation)

An improved connector assembly includes a resistor coated guide pin to facilitate coupling or decoupling a circuit card to a circuit board. A first embodiment of the pin configuration comprises a single taper pin for eliminating current surges during insertion of the pin into its associated plug. A ...


7
Tony N Criscimagna, Albert O Piston: Method and apparatus for gas display panel. International Business Machines Corporation, Joseph J Connerton, May 27, 1986: US04591847 (31 worldwide citation)

Low cost apparatus for a gas display panel is operated by a method to provide reliable write, sustain, and erase operations. For sustain operations a first square wave train is applied to all horizontal lines of the gas display panel simultaneously as a second square wave train, displaced 90.degree. ...


8
Bruce C Hempel, Bob C Liang: Data transformation and clipping in a graphics display system. International Business Machines Corporation, George E Clark, Joseph J Connerton, April 11, 1989: US04821209 (30 worldwide citation)

A display processor in a raster graphics display system includes a transformation, clipping and mapping feature which controls the transformation, clipping and mapping of graphics data. A control byte contains 5 bits identified as: M--Window to viewport mapping; P--perspective projection; D--2D/3D m ...


9
Michael F Cowlishaw: Color display apparatus and method of coding a color image. International Business Machines Corporation, Joseph J Connerton, Frederick D Poag, February 16, 1988: US04725828 (30 worldwide citation)

The invention provides a display apparatus for producing a color image in which the color of each picture element is defined by the intensities of component red, blue and green primaries and is coded as a binary number having r bits defining 2.sup.r intensity levels for red, g bits defining 2.sup.g ...


10
Joseph C Ely: Self adjusting video interface. International Business Machines Corporation, Mark S Walker, Joseph J Connerton, October 16, 1990: US04964069 (29 worldwide citation)

A system is provided for synchronization between a host processor and a video interface having display terminal(s) and/or digital printer(s). The video interface is made self-adjusting with the reference synchronization signal of the video terminal which are provided by the host processor. A pixel c ...