Digital Equipment Corp
Digital EqActive Patents
0
Total Holdings
24
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4494720A | Tilt swivel base | Expired / Lapsed | 1981-12-14 | 1985-01-22 | 25 | Details |
| US4345309A | Relating to cached multiprocessor system with pipeline timi… | Expired / Lapsed | 1980-01-28 | 1982-08-17 | 2 | Details |
| US4232366A | Bus for a data processing system with overlapped sequences | Expired / Lapsed | 1978-10-25 | 1980-11-04 | 45 | Details |
| US4150433A | Automatic common mode rejection in an analog measuring syst… | Expired / Lapsed | 1977-10-17 | 1979-04-17 | 12 | Details |
| US4061908A | Method of and device for testing a digital memory | Expired / Lapsed | 1975-12-23 | 1977-12-06 | 13 | Details |
| US4055851A | Memory module with means for generating a control signal th… | Expired / Lapsed | 1976-02-13 | 1977-10-25 | 6 | Details |
| US4045781A | Memory module with selectable byte addressing for digital d… | Expired / Lapsed | 1976-02-13 | 1977-08-30 | 11 | Details |
| US4040028A | Data processing system comprising input/output processors | Expired / Lapsed | 1975-05-28 | 1977-08-02 | 6 | Details |
| US4030073A | Initialization circuit for establishing initial operation o… | Expired / Lapsed | 1975-11-05 | 1977-06-14 | 6 | Details |
| US4016541A | Memory unit for connection to central processor unit and in… | Expired / Lapsed | 1974-04-17 | 1977-04-05 | 5 | Details |
| US3999163A | Secondary storage facility for data processing systems | Expired / Lapsed | 1974-01-10 | 1976-12-21 | 35 | Details |
| US3984818A | Paging in hierarchical memory systems | Expired / Lapsed | 1975-02-03 | 1976-10-05 | 2 | Details |
| US3982241A | Self-zeroing analog-to-digital conversion system | Expired / Lapsed | 1974-08-19 | 1976-09-21 | 33 | Details |
| US3974479A | Memory for use in a computer system in which memories have … | Expired / Lapsed | 1974-04-05 | 1976-08-10 | 7 | Details |
| US3940743A | Interconnecting unit for independently operable data proces… | Expired / Lapsed | 1973-11-05 | 1976-02-24 | 21 | Details |
| US3893084A | Memory access control system | Expired / Lapsed | 1973-05-01 | 1975-07-01 | 17 | Details |
| US3836889A | Priority interruption circuits for digital computer systems | Expired / Lapsed | 1973-03-23 | 1974-09-17 | 20 | Details |
| US3810110A | Computer system overlap of memory operation | Expired / Lapsed | 1973-05-01 | 1974-05-07 | 15 | Details |
| US3753243A | Programmable machine controller | Expired / Lapsed | 1972-04-20 | 1973-08-14 | 31 | Details |
| US3710324A | Data processing system | Expired / Lapsed | 1970-04-01 | 1973-01-09 | 45 | Details |
| US3701113A | Analyzer for sequencer controller | Expired / Lapsed | 1971-08-13 | 1972-10-24 | 18 | Details |
| US3614741A | Data processing system with instruction addresses identifyi… | Expired / Lapsed | 1970-03-23 | 1971-10-19 | 45 | Details |
| US3614740A | Data processing system with circuits for transferring betwe… | Expired / Lapsed | 1970-03-23 | 1971-10-19 | 64 | Details |
| US3376554A | Digital computing system | Expired / Lapsed | 1965-04-05 | 1968-04-02 | 0 | Details |