公开(公告)号：US3592310A

公开(公告)日：1971-07-13

申请号：US3592310D

申请日：1966-09-19

Applicant: IBM

Inventor： CRALLE WALTER O JR ,  MORGAN JOSEPH S ,  TOBEN BERNARD E

IPC: B41J19/64 ,  B41J19/58 ,  B41J29/42

CPC classification number: B41J19/64

Abstract: Spacing data for right-hand margin justification is graphically computed by a pair of intercooperating scales, one of which has biaxial color coded indicia, the other of which includes a uniaxial scale. The uniaxial scale is readable in conjunction with the biaxial color coding directly in terms of a justification problem solution. Also, a self-powered motion takeoff device is provided for automatically positioning one of the two scales by following motion of a typewriter letter feeding device within a predetermined proximity of the right margin.

公开(公告)号：US3401783A

公开(公告)日：1968-09-17

申请号：US51755165

申请日：1965-12-30

Applicant: IBM

Inventor： NORWOOD JAMES R ,  MORGAN JOSEPH S

IPC: B41J33/36 ,  B41J35/38 ,  G05F3/24 ,  H02H9/02 ,  H03G11/00

CPC classification number: B41J33/36 ,  B41J35/38