Patent · US Expired

Electronic device for controlling a printing machine

US5010812A · kind A · utility

2Cited by

7References

32Claims

0Family size

Assignee

Heidelberger Druckmaschinen AG · DE

Inventors

Anton Rodi · Leimen, DE
Udo Blasius · Leimen, DE
Jurgen Reithofer · Schallstadt, DE
Karl May · Bad Vilbel, DE

Key dates

Filing date	Aug 22, 1989
Grant date	Apr 30, 1991
Priority date	—
Expiry date	Aug 22, 2009

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41F33/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Data entry and display apparatus for a printing machine having a plurality of control elements having actual and desired position values for controlling machine variables which include ink and dampening fluid density and register positions, the control apparatus includes a control panel having a plurality of optical first elements for displaying and controlling at least one of the machine variables; a light pen having a contact point which includes a second optical element for operatively, optically engaging the first optical elements; timing means operatively engaging the first and second optical element for timingly coordinating the position of the contact point in spaced relationship with the first optical elements for entering nominal position values for at least one of the control elements into the control apparatus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.