1
Frank V Cassarino Jr, George J Barlow, George J Bekampis, John W Conway, Richard A Lemay, David B O Keefe, Douglas L Riikonen, William E Woods: Apparatus for processing data transfer requests in a data processing system. Honeywell Information Systems, John S Solakian, Ronald T Reiling, November 23, 1976: US03993981 (92 worldwide citation)

In a data processing system having a plurality of units coupled for the transfer of information therebetween over a common electrical bus during asynchronously generated information bus transfer cycles, the units are coupled in a priority network and depending upon their respective priority may gain ...


2
Allen C Hirtle, David B O Keefe: Emulation apparatus. Honeywell Information Systems, Faith F Driscoll, Nicholas Prasinos, Ronald T Reiling, April 11, 1978: US04084235 (81 worldwide citation)

A processing unit includes emulation apparatus which operates to execute instructions of a target system, one of a plurality of ways depending upon the options and features of the target system being emulated. The options, features and characteristics of the target system for which the program was o ...


3
David B O Keefe, Frank V Cassarino Jr, Douglas L Riikonen: Architecture for a microprogrammed device controller. Honeywell Information Systems, John S Solakian, Ronald T Reiling, January 11, 1977: US04003033 (73 worldwide citation)

A device controller having a microprogrammed control store for storing instructions useable in the control of the controller and a scratch pad memory for storing device specific information useable in the control and operation of the device is provided. An addressed instruction is received by an ins ...


4
George J Barlow, Frank V Cassarino Jr, John W Conway, David B O Keefe: Data processing system providing locked operation of shared resources. Honeywell Information Systems, John S Solakian, Ronald T Reiling, December 28, 1976: US04000485 (71 worldwide citation)

A central processing system which includes a plurality of units coupled over a common electrical bus for the transfer of information between any two units, includes one unit in which there is a shareable resource such as a memory for example. Apparatus is provided for any units to share such resourc ...


5
David B O Keefe, Robert C Miller: Display video generation system for modifying the display of character information as a function of video attributes. Honeywell Information Systems, William A Linnell, Nicholas Prasinos, May 28, 1985: US04520356 (59 worldwide citation)

A video generation logic for a display controller includes a precoded PROM which combines visual attributes associated with the characters of information to be displayed on the display screen to produce multiple video control signals for modifying the dot pattern generation signal which is generated ...


6
David B O Keefe, Robert C Miller: Scrolling display refresh memory address generation apparatus. Honeywell Information Systems, William A Linnell, Nicholas Prasinos, March 1, 1983: US04375638 (21 worldwide citation)

A refresh memory address generation apparatus for a video display controller is disclosed wherein rows of character information stored in a display refresh memory may be relocated without requiring the reconstruction of the display information as stored in the display refresh memory. A roll register ...


7
Gordon L Steiner, David B O Keefe, Robert C Miller: Remote monitor interface. Honeywell Information Systems, William A Linnell, Nicholas Prasinos, July 6, 1982: US04338597 (17 worldwide citation)

A data processing system remote monitor interface includes a first device which transmits different types of time-related information signals along multiple parallel channels to a second device for reception and combination into a different number of information signal outputs. The different types o ...


8
Kenneth E Bruce, George J Barlow, John W Conway, Ralph M Lombardo Jr, John J Bradley, David B O Keefe: Intersystem communication link. Honeywell Information Systems, Gerald E Lester, Nicholas Prasinos, Ronald T Reiling, November 18, 1980: US04234919 (15 worldwide citation)

A logic system referred to as an intersystem link unit (ISL) is provided for accommodating the transfer of binary coded information between two or more communication busses in a data processing system, wherein information including memory and non-memory read and write requests, CPU to CPU interrupts ...


9
Ralph M Lombardo Jr, John J Bradley, Kenneth E Bruce, John W Conway, David B O Keefe, Bruce H Tarbox: Intersystem translation logic system. Honeywell Information Systems, George Grayson, Nicholas Prasinos, February 21, 1984: US04433376 (12 worldwide citation)

A logic system is provided for accommodating the exchange of information between two or more communication busses of a data processing system, wherein plural central processing units and plural memory units on independent communication busses may have same logic addresses. Memory and CPU addresses a ...


10
Robert C Miller, David B O Keefe: Keyboard strobe generation system. Honeywell Information Systems, William A Linnell, Nicholas Prasinos, February 22, 1983: US04375036 (5 worldwide citation)

A strobe generator in a data entry input device is responsive to an input strobe signal from a keyboard system to generate a strobe signal which is not affected by electrical noise produced by electrostatically or electromagnetically induced signals in the signal lines running between the keyboard s ...