Patent · US Expired

Optical scanner for an image forming apparatus

US5640263A · kind A · utility

2Cited by
1References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 3, 1995
Grant dateJun 17, 1997
Priority date
Expiry dateOct 3, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0409
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In an optical scanner having a plurality of mirrors for scanning a document, a planeness reinforcing member having a predetermined degree of planeness is fitted on major ones of the mirrors. The reinforcing member successfully reduces the vibration of the associated mirror without impairing the planeness of the mirror.

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