Patent · US Expired

Progressive disclosure copying machine console using common keys for copy number and function select operations

US4327994A · kind A · utility

21Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 1980
Grant dateMay 4, 1982
Priority date
Expiry dateMay 27, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/502
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is a copying machine operator console having a keyboard (17), a copying number display (23), a message display (13,15) and a control means (19) operating the copy number and message displays. The control means causes the message display to prompt an operator to enter a number of desired copies using predetermined keys of the keyboard and also causes the message display to sequentially display selected messages instructing an operator to enter with said predetermined keys machine function selection information. The control means also causes the copy number display to display the operator selected number of copies.

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