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Publication numberUS3027081 A
Publication typeGrant
Publication dateMar 27, 1962
Filing dateJan 2, 1959
Priority dateDec 31, 1958
Also published asDE1179397B, US3058659
Publication numberUS 3027081 A, US 3027081A, US-A-3027081, US3027081 A, US3027081A
InventorsOliver D Evans, Frank B Hartman
Original AssigneeIbm
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Overlap mode control
US 3027081 A
Abstract  available in
Images(390)
Previous page
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Claims  available in
Description  (OCR text may contain errors)

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Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2796218 *Jun 21, 1950Jun 18, 1957Nat Res DevElectronic computing devices with subsidiary storage
US2810516 *Jun 1, 1950Oct 22, 1957Nat Res DevElectronic digital computing devices
US2815168 *Nov 14, 1951Dec 3, 1957Hughes Aircraft CoAutomatic program control system for a digital computer
US2832064 *Sep 6, 1955Apr 22, 1958Underwood CorpCyclic memory system
US2862198 *Apr 5, 1954Nov 25, 1958Telemeter Magnetics And ElectrMagnetic core memory system
US2872666 *Dec 21, 1955Feb 3, 1959IbmData transfer and translating system
US2874901 *Dec 8, 1954Feb 24, 1959Holmes Thomas GTally instruction apparatus for automatic digital computers
US2877446 *Dec 28, 1954Mar 10, 1959Rca CorpInformation handling device
US2898041 *Dec 21, 1953Aug 4, 1959IbmInstruction modifier means for electronic digital computing machines
US2902214 *Aug 17, 1954Sep 1, 1959Ncr CoComputer input-output system
US2914617 *Apr 13, 1956Nov 24, 1959Bell Telephone Labor IncMagnetic core circuits
US2924381 *Apr 22, 1952Feb 9, 1960Ncr CoDigital differential analyzer
AU167102B * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3238510 *Dec 29, 1961Mar 1, 1966IbmMemory organization for data processors
US3310786 *Jun 30, 1964Mar 21, 1967IbmData compression/expansion and compressed data processing
US3384876 *Jan 13, 1967May 21, 1968IbmOverlapped field handling in a data processing system
US3445641 *Jan 19, 1967May 20, 1969IbmSerial digital adder employing a compressed data format
US3766527 *Oct 1, 1971Oct 16, 1973Sanders Associates IncProgram control apparatus
US3990052 *Sep 25, 1974Nov 2, 1976Data General CorporationCentral processing unit employing microprogrammable control for use in a data processing system
US3996562 *Aug 22, 1973Dec 7, 1976Hewlett-Packard CompanyProgrammable electronic calculator for evaluating mathematical problems
US4205372 *Nov 1, 1976May 27, 1980Data General CorporationCentral processing unit employing microprogrammable control for use in a data processing system
US4323964 *Oct 9, 1979Apr 6, 1982Data General CorporationCPU Employing micro programmable control for use in a data processing system
Classifications
U.S. Classification711/165, 235/137, 712/E09.76, 711/155, 712/E09.19
International ClassificationG06F15/78, G06F9/32, G06F9/308
Cooperative ClassificationG06F15/78, G06F9/30054, G06F9/30018
European ClassificationG06F9/30A1B, G06F9/30A3B, G06F15/78