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    Data storage addressing system
    2.
    发明授权
    Data storage addressing system 失效
    数据存储寻址系统

    公开(公告)号：US3631421A

    公开(公告)日：1971-12-28

    申请号：US3631421D

    申请日：1968-09-23

    Applicant: BURROUGHS CORP

    Inventor： PERKINS CORNELIUS C

    IPC: G11B27/10 ,  F24C15/06 ,  G06F3/06 ,  G06F9/00 ,  G11B5/00 ,  G11B5/82 ,  G11B20/10 ,  G11B27/32

    CPC classification number: G11B5/82 ,  G06F9/00 ,  G11B5/00 ,  G11B27/32

    Abstract: This invention relates broadly to addressing memory systems for the recording and the retrieval of information therein, and more particularly to a new and improved method of and apparatus for addressing a cyclically movable data storage member, such as a rotatable magnetic disk, capable of locating every bit time thereof and of detecting and correcting any nonsynchronous relation between certain operating and timing signals. The more significant digits of the address of the wanted location are compared against an address track of the memory device in which the more significant digits of the addresses of all of the storage locations are recorded in binary form while at the same time the lesser significant digits of the two addresses are compared by means of a binary counter. With the cooperation of the counter, only the more significant digits of the addresses for the storage locations need be recorded on the address track of the memory device. The counter is capable of locating each digit within any address on the sector track, and as a result, any bit time around the memory may be addressed and located. Moreover, with the cooperation of the counter, certain properties of the binary numbers of the recorded sector track addresses are taken advantage of for synchronizing the operation of the system, and means is provided for detecting any out-of-phase relation between counter and timing signals that might develop and for automatically bringing these signals back into synchronization within a limited distance of movement of the memory device.

    Data processing network and improved terminal
    3.
    发明授权
    Data processing network and improved terminal 失效
    数据处理网络和改进的终端

    公开(公告)号：US3623013A

    公开(公告)日：1971-11-23

    申请号：US3623013D

    申请日：1969-08-13

    Applicant: BURROUGHS CORP

    Inventor： PERKINS CORNELIUS C ,  LIU GODFREY

    IPC: G06F13/00 ,  G06F13/22 ,  G06F13/38 ,  G06F15/00 ,  G06F15/16 ,  H04L29/08 ,  H04Q3/00

    CPC classification number: G06F15/16 ,  G06F13/22 ,  G06F13/385

    Abstract: A data processing system having a central or main data processor and a plurality of remote data terminals each having at least one selectively changeable terminal address. The central processor is coupled in a poll-select environment to the various remote terminal processors via a communication link. The respective remote terminals are able to modify the poll-select sequence as set up by the central processor by selectively changing its terminal address for either the poll or select mode. Additionally, groups of the remote terminals may be assigned a selectively changeable group or broadcast address which may be changed either locally at the remote terminal or remotely by the central processor.

    Electronic accounting apparatus
    4.
    发明授权
    Electronic accounting apparatus 失效
    电子会计器具

    公开(公告)号：US3533076A

    公开(公告)日：1970-10-06

    申请号：US3533076D

    申请日：1967-10-30

    Applicant: BURROUGHS CORP

    Inventor： PERKINS CORNELIUS C ,  FITZER DAYTON W

    IPC: G06F9/46 ,  G06F9/40 ,  G06F15/02 ,  G06F9/06

    CPC classification number: G06F15/02 ,  G06F9/4425

    Abstract: 1,237,726. Data processing. BURROUGHS CORP. 15 Oct., 1968 [30 Oct., 1967], No. 48785/68. Heading G4A. Electronic data processing apparatus, e.g. an accounting machine, includes a keyboard for entering programme instructions and data and a memory for storing them, a plurality of variable function key means and indicator means signalling the active status of the key means, both key means and indicator means being programme-responsive, and the key means being operable for controlling the insertion and execution of subroutine instructions intermediate adjacent programme steps. An instruction counter driven by carry from a syllable counter addresses the (core) memory to access successive instruction words, each of which contains four syllables selected in turn by the syllable counter for decoding to control the machine. An instruction may activate any of a plurality of variable function manual keys on the keyboard and light corresponding lamps to indicate their active status. The operator may operate any of the activated keys (being guided by the lamps and a removable instruction strip above them) and if the key he operates is one of the activated ones its identity is decoded and added to the contents of a programme-settable table select register to address subroutine tables (in the core memory or a separate core store) to obtain an instruction to be executed. This instruction may cause a branch to a subroutine proper in the main core memory which is then executed, after which the normal programme proceeds. If the key operated was not one of the activated ones, the machine goes into an error routine and informs the operator of an error. Use of the machine for training operators is described.

    Automatic interrupt system for a data processor
    8.
    发明授权
    Automatic interrupt system for a data processor 失效
    用于数据处理器的自动中断系统

    公开(公告)号：US3286239A

    公开(公告)日：1966-11-15

    申请号：US24122562

    申请日：1962-11-30

    Applicant: BURROUGHS CORP

    Inventor： THOMPSON BLAIR C ,  PERKINS CORNELIUS C ,  JOSEPH SHIFMAN ,  PEZELY STANLEY J

    IPC: G06F9/48 ,  G06F11/14

    CPC classification number: G06F9/4812 ,  G06F11/1438

    Abstract: 1,063,141. Digital electric computers. BURROUGHS CORPORATION. Nov. 1, 1963 [Nov. 30, 1962], No. 43258/63. Headings G4A. The execution by a computer of its normal programme is interrupted (after completion of the current programme step) by a signal on any one of a number of interrupt lines, on which the computer starts to operate in a " control mode " appropriate to the nature of the interruption. A priority order is assigned to the possible interrupting signals so that interruptions requiring rapid action (e.g. main power failure, or certain real-time calculation signals) may be acted upon first. A masking number may be written by programme into a register where it controls which of the theoretically possible interruptions are authorized. Block diagrams (not shown) illustrate the circuitry required, and the steps called for by the control mode circuitry in the various types of interruption (e.g. data transfer to peripheral units) are illustrated by flow sheets.

    Data processing apparatus
    9.
    发明授权
    Data processing apparatus 失效

    公开(公告)号：US3564509A

    公开(公告)日：1971-02-16

    申请号：US3564509D

    申请日：1968-04-22

    Applicant: BURROUGHS CORP

    Inventor： PERKINS CORNELIUS C ,  PEDERSEN JOHN H ,  CHANG HOY YING ,  MALMER MICHAEL M JR

    IPC: G06F13/18 ,  G06F13/22 ,  G06F13/38 ,  G06F15/16 ,  G06F15/40

    CPC classification number: G06F13/18 ,  G06F13/22 ,  G06F13/385 ,  G06F15/16

    Abstract: A DATA PROCESSING SYSTEM HAVING A MAIN DATA PROCESSOR AND A PLURALITY OF REMOTE TERMINALS EACH HAVING DATA PROCESSING CAPABILITY. THE MAIN OR CENTRAL PROCESSOR IS COUPLED IN A POLLING ENVIRONMANT TO THE VARIOUS TERMINAL PROCESSORS VIA A COMMUNICATION LINK. COMMUNICATION OR DATA TRANSMISSION OF EACH OF THE VARIOUS PERIPHERAL OR TERMINAL PROCESSORS TO AND FROM THE CENTRAL DATA PROCESSOR IS CONTROLLED BY SEPARATE LINE DISCIPLINE PROCESSORS. A LINE DISCIPLINE PROCESSOR IS COUPLED AND RESPONSIVE TO THE RESPECTIVE DATA PROCESSOR AT EACH REMOTE SITE. THE LINE DISCIPLINE PROCESSOR AT EACH REMOTE TERMINAL EDITS AND ASSEMBLES THE INFORMATION TO BE TRANSMITTED AND IDENTIFIES, EDITS AND ASSEMBLES INFORMATION RECEIVED AND PERFORMS OTHER TASKS RELATED TO THE COMMUNICATION FUNCTION THEREBY PROVIDING MICRO-PROGRAMMED LINE DISCIPLING.

    System for automatically setting a position counter to effect agreement with the position of a traveling printing element
    10.
    发明授权
    System for automatically setting a position counter to effect agreement with the position of a traveling printing element 失效
    用于自动设置位置计数器以与旅行打印单元的位置影响协议的系统

    公开(公告)号：US3554347A

    公开(公告)日：1971-01-12

    申请号：US3554347D

    申请日：1968-04-29

    Applicant: BURROUGHS CORP

    Inventor： PERKINS CORNELIUS C

    IPC: G06F3/09 ,  B41J1/60

    CPC classification number: G06F3/09

    Abstract: A system for synchronizing the lateral movement of a printing element with an electronic position counter. A pulse generator is operatively connected to a printing element drive motor to generate a pulse at each printing position. The pulses from the pulse generator are supplied via an amplifier to a comparator circuit which is periodically tested for a voltage level change in the amplifier output. When the level has not changed for a predetermined time due to the arrested movement of the printing element, the electronic position counter is set to a predetermined number corresponding to the present position of the printing element.

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