Bull HN Information Systems Italia SpA
Bull HN InActive Patents
0
Total Holdings
77
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4630041A | Enhanced reliability interrupt control apparatus | Expired / Lapsed | 1984-01-09 | 1986-12-16 | 4 | Details |
| US4133051A | Information refreshing system in a semiconductor memory | Expired / Lapsed | 1974-12-23 | 1979-01-02 | 2 | Details |
| US4106108A | Semiconductor dynamic memory and related refreshing system | Expired / Lapsed | 1976-08-13 | 1978-08-08 | 10 | Details |
| US4041473A | Computer input/output control apparatus | Expired / Lapsed | 1975-05-12 | 1977-08-09 | 13 | Details |
| US4007449A | Control device for local connection of a peripheral unit th… | Expired / Lapsed | 1974-10-11 | 1977-02-08 | 10 | Details |
| US4001784A | Data processing system having a plurality of input/output c… | Expired / Lapsed | 1974-12-20 | 1977-01-04 | 5 | Details |
| US3916385A | Ring checking hardware | Expired / Lapsed | 1973-12-12 | 1975-10-28 | 30 | Details |
| US3916178A | Apparatus and method for two controller diagnostic and veri… | Expired / Lapsed | 1973-12-10 | 1975-10-28 | 12 | Details |
| US3911409A | Data processing interface system | Expired / Lapsed | 1974-04-23 | 1975-10-07 | 23 | Details |
| US3911216A | Nonlinear code generator and decoder for transmitting data … | Expired / Lapsed | 1973-12-17 | 1975-10-07 | 5 | Details |
| US3909802A | Diagnostic maintenance and test apparatus | Expired / Lapsed | 1974-04-08 | 1975-09-30 | 42 | Details |
| US3909799A | Microprogrammable peripheral processing system | Expired / Lapsed | 1973-12-18 | 1975-09-30 | 36 | Details |
| US3909797A | Data processing system utilizing control store unit and pus… | Expired / Lapsed | 1973-12-13 | 1975-09-30 | 14 | Details |
| US3902162A | Data communication system incorporating programmable front … | Expired / Lapsed | 1972-11-24 | 1975-08-26 | 10 | Details |
| US3889109A | Data communications subchannel having self-testing apparatus | Expired / Lapsed | 1973-10-01 | 1975-06-10 | 5 | Details |
| US3884339A | Asynchronous serial printer | Expired / Lapsed | 1973-03-06 | 1975-05-20 | 10 | Details |
| US3882386A | Device for testing operation of integrated circuital units | Expired / Lapsed | 1972-03-10 | 1975-05-06 | 19 | Details |
| US3872291A | Field repairable memory subsystem | Expired / Lapsed | 1974-03-26 | 1975-03-18 | 10 | Details |
| US3868672A | Cathode ray tube control apparatus for displaying upper and… | Expired / Lapsed | 1973-01-02 | 1975-02-25 | 21 | Details |
| US3866183A | Communications control apparatus for the use with a cache s… | Expired / Lapsed | 1973-08-31 | 1975-02-11 | 12 | Details |
| US3866181A | Interrupt sequencing control apparatus | Expired / Lapsed | 1972-12-26 | 1975-02-11 | 13 | Details |
| US3863226A | Configurable communications controller having shared logic … | Expired / Lapsed | 1973-01-02 | 1975-01-28 | 29 | Details |
| US3845474A | Cache store clearing operation for multiprocessor mode | Expired / Lapsed | 1973-11-05 | 1974-10-29 | 15 | Details |
| US3840862A | Status indicator apparatus for tag directory in associative… | Expired / Lapsed | 1973-09-27 | 1974-10-08 | 11 | Details |
| US3833888A | General purpose digital processor for terminal devices | Expired / Lapsed | 1973-02-05 | 1974-09-03 | 12 | Details |
| US3832692A | Priority network for devices coupled by a multi-line bus | Expired / Lapsed | 1972-06-27 | 1974-08-27 | 17 | Details |
| US3828325A | Universal interface system using a controller to adapt to a… | Expired / Lapsed | 1973-02-05 | 1974-08-06 | 20 | Details |
| US3821645A | Device for testing the operation of sequential integrated c… | Expired / Lapsed | 1973-03-13 | 1974-06-28 | 6 | Details |
| US3821709A | Memory storage sequencer | Expired / Lapsed | 1972-10-05 | 1974-06-28 | 18 | Details |
| US3818261A | Stepping motor speed control apparatus | Expired / Lapsed | 1971-12-23 | 1974-06-18 | 37 | Details |
| US3814922A | Availability and diagnostic apparatus for memory modules | Expired / Lapsed | 1972-12-01 | 1974-06-04 | 28 | Details |
| US3814921A | Apparatus and method for a memory partial-write of error co… | Expired / Lapsed | 1972-11-15 | 1974-06-04 | 13 | Details |
| US3813531A | Diagnostic checking apparatus | Expired / Lapsed | 1973-01-02 | 1974-05-28 | 25 | Details |
| US3813650A | Method for fabricating and assembling a block-addressable s… | Expired / Lapsed | 1972-12-26 | 1974-05-28 | 19 | Details |
| US3810120A | Automatic deactivation device | Expired / Lapsed | 1971-02-12 | 1974-05-07 | 21 | Details |
| US3803560A | Technique for detecting memory failures and to provide for … | Expired / Lapsed | 1973-01-03 | 1974-04-09 | 29 | Details |
| US3796996A | Main memory reconfiguration | Expired / Lapsed | 1972-10-05 | 1974-03-12 | 8 | Details |
| US3792203A | Automatic redial memory device for telephones | Expired / Lapsed | 1972-03-10 | 1974-02-12 | 23 | Details |
| US3789971A | Servo control system for a serial printer print head | Expired / Lapsed | 1971-06-21 | 1974-02-05 | 30 | Details |
| US3787670A | Automatic diagnostic system | Expired / Lapsed | 1971-12-20 | 1974-01-22 | 23 | Details |
| US3786432A | Push-pop memory stack having reach down mode and improved m… | Expired / Lapsed | 1972-06-20 | 1974-01-15 | 42 | Details |
| US3773973A | Universal data-communications interface | Expired / Lapsed | 1971-08-03 | 1973-11-20 | 7 | Details |
| US3771134A | Communication control device utilized as an input/output mo… | Expired / Lapsed | 1971-02-12 | 1973-11-06 | 25 | Details |
| US3771135A | Remote terminal system | Expired / Lapsed | 1971-02-12 | 1973-11-06 | 39 | Details |
| US3766531A | Communication line multiplexing apparatus having a main mem… | Expired / Lapsed | 1972-03-13 | 1973-10-16 | 30 | Details |
| US3753232A | Memory control system adaptive to different access and cycl… | Expired / Lapsed | 1972-04-06 | 1973-08-14 | 24 | Details |
| US3753236A | Microprogrammable peripheral controller | Expired / Lapsed | 1972-03-31 | 1973-08-14 | 7 | Details |
| US3753242A | Memory overlay system | Expired / Lapsed | 1971-12-16 | 1973-08-14 | 18 | Details |
| US3742457A | High speed data transfer for a peripheral controller | Expired / Lapsed | 1972-05-15 | 1973-06-26 | 8 | Details |
| US3740698A | Ribbon cable connector system having stress relieving means | Expired / Lapsed | 1971-05-12 | 1973-06-19 | 11 | Details |
| US3728690A | Branch facility diagnostics | Expired / Lapsed | 1971-08-26 | 1973-04-17 | 28 | Details |
| US3725871A | Multi function polling technique | Expired / Lapsed | 1971-02-11 | 1973-04-03 | 45 | Details |
| US3723973A | Data communication controller having dual scanning | Expired / Lapsed | 1970-09-30 | 1973-03-27 | 2 | Details |
| US3716838A | Data processing system with selective character addressing … | Expired / Lapsed | 1970-08-24 | 1973-02-13 | 0 | Details |
| US3710318A | Error detection circuit | Expired / Lapsed | 1971-11-22 | 1973-01-09 | 4 | Details |
| US3710328A | Method and apparatus for communicating devices each perform… | Expired / Lapsed | 1971-01-21 | 1973-01-09 | 16 | Details |
| US3700870A | Error control arrangement for associative information stora… | Expired / Lapsed | 1971-04-09 | 1972-10-24 | 12 | Details |
| US3699525A | Use of control words to change configuration and operating … | Expired / Lapsed | 1970-11-27 | 1972-10-17 | 19 | Details |
| US3680051A | Apparatus for maintaining character synchronization in a da… | Expired / Lapsed | 1970-07-29 | 1972-07-25 | 7 | Details |
| US3676861A | Multiple mask registers for servicing interrupts in a multi… | Expired / Lapsed | 1970-12-30 | 1972-07-11 | 13 | Details |
| US3676746A | Compatible modular circuit board connector | Expired / Lapsed | 1970-12-23 | 1972-07-11 | 7 | Details |
| US3676858A | Method, apparatus and computer program for determining the … | Expired / Lapsed | 1970-09-30 | 1972-07-11 | 16 | Details |
| US3671945A | Data message control system | Expired / Lapsed | 1970-09-02 | 1972-06-20 | 15 | Details |
| US3670306A | Process for data communication between data processing syst… | Expired / Lapsed | 1971-03-01 | 1972-06-13 | 111 | Details |
| US3665415A | Data processing system with program interrupt priority appa… | Expired / Lapsed | 1970-04-29 | 1972-05-23 | 12 | Details |
| US3665487A | Storage structure for management control subsystem in multi… | Expired / Lapsed | 1969-06-05 | 1972-05-23 | 17 | Details |
| US3643223A | Bidirectional transmission data line connecting information… | Expired / Lapsed | 1970-04-30 | 1972-02-15 | 21 | Details |
| US3629831A | Data transmission controller for central to remote system | Expired / Lapsed | 1967-01-03 | 1971-12-21 | 24 | Details |
| US3618031A | Data communication system | Expired / Lapsed | 1970-06-29 | 1971-11-02 | 33 | Details |
| US3618039A | Data communication system including automatic information t… | Expired / Lapsed | 1969-07-28 | 1971-11-02 | 49 | Details |
| US3618045A | Management control subsystem for multiprogrammed data proce… | Expired / Lapsed | 1969-05-05 | 1971-11-02 | 17 | Details |
| US3611161A | Apparatus for separating data signals and timing signals fr… | Expired / Lapsed | 1969-06-16 | 1971-10-05 | 9 | Details |
| US3609684A | Method and apparatus for storing and retrieving information… | Expired / Lapsed | 1970-04-27 | 1971-09-28 | 26 | Details |
| US3588831A | Input/output controller for independently supervising a plu… | Expired / Lapsed | 1968-11-13 | 1971-06-28 | 0 | Details |
| US3585406A | System for controlling intermittent and bidirectional opera… | Expired / Lapsed | 1968-06-03 | 1971-06-15 | 5 | Details |
| US3581064A | Record scanner with loading and indexing means | Expired / Lapsed | 1969-04-30 | 1971-05-25 | 15 | Details |
| US3578953A | System for reading intermixed marks and symbols from docume… | Expired / Lapsed | 1968-10-03 | 1971-05-18 | 22 | Details |