Patent · US Expired

Read/write bar for multi-mode reproduction machine

US4424523A · kind A · utility

16Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 1982
Grant dateJan 3, 1984
Priority date
Expiry dateJul 2, 2002

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/0312
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A dual mode reproduction machine or copier incorporating a full width read/write bar having at least one linear array of LEDs for selectively illuminating and scanning a document original in a read mode or exposing the copier photoreceptor in a write mode. A Selfoc lens array provides a lens element for focusing each LED, the rear/write bar and lens array being combined in a unitary structure mounted for selective movement between a read and write position.

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