公开(公告)号：US3626157A

公开(公告)日：1971-12-07

申请号：US3626157D

申请日：1969-05-28

Applicant: IBM

Inventor： SMITH WILLIAM R ,  WALTERS NEAL L

IPC: G06K7/08 ,  H01L29/00 ,  G06K7/06 ,  G11C13/00 ,  H03K17/60

CPC classification number: G06K7/081 ,  H01L29/00

Abstract: A perforated media reader using field-effect devices for sensors in which the media acts as one electrode of selected sensors as a function of the perforation pattern, thereby generating discrete signals indicating the location of the perforations.

公开(公告)号：US3573749A

公开(公告)日：1971-04-06

申请号：US3573749D

申请日：1969-03-28

Applicant: IBM

Inventor： SMITH WILLIAM R ,  SOUTHARD CARL D ,  GIESON WALTER D VAN JR

IPC: G06F13/10 ,  G06F3/023 ,  G06F3/048 ,  G06F9/00 ,  G06Q10/08 ,  G06Q99/00 ,  G07C1/10 ,  G07F7/08 ,  G06F3/04 ,  G06F3/14

CPC classification number: G06Q99/00 ,  G06F3/0489 ,  G06Q10/087 ,  G07C1/10 ,  G07F7/08 ,  G07F7/0833

Abstract: A display and control terminal which in response to operator initiation is utilized to display operator guidance information and control the insertion of data in conformity with the displayed guidance information.