公开(公告)号：FR2374691A1

公开(公告)日：1978-07-13

申请号：FR7733124

申请日：1977-10-27

Applicant: IBM

Inventor： MALKEMES CHARLES D

IPC: B41J2/51 ,  G06F3/12 ,  G06F13/12 ,  G06F3/153 ,  G06F11/00 ,  G06F13/28 ,  G06K15/00 ,  G06K15/10 ,  G06F13/00

Abstract: A system for processing data incorporates a central processing unit and a microprocessor serving as a controller together with associated logic for controlling operation of an attached device such as a serial or line printer. Data is transferred from the microprocessor to the printer by a cable having a number of wires, reduced in number from the number required if printer is directly attached, and involving a multiplexed data transfer operation with storage latches provided in the printer for storing character image information and printer function information. Increased reliability is realized by a repeat cycle operation of the microprocessor wherein significant image or function information is sent to the printer in a succession of repetitive cycles, thus insuring accurate operation of the relatively slow magnets and driving elements in the printer.

公开(公告)号：CA1128364A

公开(公告)日：1982-07-27

申请号：CA353162

申请日：1980-06-02

Applicant: IBM

Inventor： JACKSON TIMOTHY ,  MALKEMES CHARLES D ,  ZIPOY WILLIAM L

IPC: B41J2/51 ,  B41J19/18 ,  G06K15/00 ,  G06K15/08 ,  G06K15/10 ,  B41J3/12

Abstract: There is disclosed herein printer control logic for controlling a matrix printer. The control logic includes an interruptable microprocessor, together with associated memory. Additionally the control logic includes a programmable timer which provides a signal a determined time after being programmed. The control logic responds to print emitter signals manifesting an incremental movement of the print head by interrupting the microprocessor. The microprocessor then programs the timer to provide signals after a programmed delay time to again interrupt the microprocessor. The microprocessor then provides signals causing the operation of the print elements on print head. BC9-79-024

公开(公告)号：CA1092246A

公开(公告)日：1980-12-23

申请号：CA288076

申请日：1977-10-04

Applicant: IBM

Inventor： MALKEMES CHARLES D

IPC: G06F13/12 ,  B41J2/51 ,  G06F3/12 ,  G06F3/153 ,  G06F11/00 ,  G06F13/28 ,  G06K15/00 ,  G06K15/10 ,  G06F11/08

Abstract: DATA SYSTEM WITH MICROPROCESSOR FEATURING MULTIPLEXED DATA TRANSFER AND REPEAT CYCLE DRIVING ARRANGEMENT A system for processing data incorporates a central processing unit and a microprocessor serving as a controller together with associated logic for controlling operation of an attached device such as a serial or line printer. Data is transferred from the microprocessor to the printer by a cable having a number of wires, reduced in number from the number required if printer is directly attached, and involving a multiplexed data transfer operation with storage latches provided in the printer for storing character image information and printer function information. Increased reliability is realized by a repeat cycle operation of the microprocessor wherein significant image or function information is sent to the printer in a succession of repetitive cycles, thus insuring accurate operation of the relatively slow magnets and driving elements in the printer.