公开(公告)号：CA1097582A

公开(公告)日：1981-03-17

申请号：CA314024

申请日：1978-10-24

Applicant: IBM

Inventor： KANE MILBURN H III ,  PAULSON THOMAS M

IPC: B41J29/34 ,  B41J29/36 ,  B41J29/26

Abstract: SIDESHIFT ERASE APPARATUS AND METHOD FOR IMPACT PRINTERS Erase apparatus for a typewriter utilizes a special double strike technique to permit quality erasures at normal character overstrike accuracies. The unwanted character is overstruck first slightly to one side and then slightly to the other side in the escapement direction. A preferred range to achieve apparently complete erasures occurs at sideshift distances between two and twenty percent of an average character escapement. In a presently preferred implementation, position codes are produced which cause the normal typewriter escapement apparatus to move the type carrier to the special striking positions for erasing.

公开(公告)号：CA1128446A

公开(公告)日：1982-07-27

申请号：CA349752

申请日：1980-04-14

Applicant: IBM

Inventor： EVANS CHARLES W JR ,  HAYES RICHARD L ,  KANE MILBURN H III

IPC: B41J1/24 ,  B41J5/00

Abstract: APPARTUS FOR SYNCHRONIZING CARRIER SPEED AND PRINT CHARACTER SELECTION IN ON-THE-FLY PRINTING A rotatable print disk is mounted on a carrier which traverses along a print line. The disk is rotated from each selected character position to the next selected character position by the shortest distance at a constant velocity; thus, the time for the disk to move from a given selected character position to the next will be variable dependent on this distance. The carrier is moved from one print position to the next at variable speeds selected such that the carrier reaches the next print position in synchronization with the disk reaching the next selected character position. Upon such synchronization, a print hammer is fired to print the character while the carrier continues on-the-fly towards the next print position. The apparatus includes means responsive to the time required for the print disk to rotate from one selected character position to the next for controlling the carrier escapement velocity to increase and/or decrease such that escapement occurs coincident with character selection without escapement velocity becoming zero. AT9-78-031

公开(公告)号：MX146208A

公开(公告)日：1982-05-25

申请号：MX17642079

申请日：1979-01-26

Applicant: IBM

Inventor： KANE MILBURN H III ,  PAULSON THOMAS MICHEL

IPC: B41J29/34 ,  B41J29/36

公开(公告)号：FR2415538A1

公开(公告)日：1979-08-24

申请号：FR7836051

申请日：1978-12-05

Applicant: IBM

Inventor： KANE MILBURN H III ,  PAULSON THOMAS M

IPC: B41J29/34 ,  B41J29/36