Patent · US Active

Line head and image forming apparatus

US7835082B2 · kind B2 · utility

5Cited by

2References

15Claims

0Family size

Assignee

SEIKO EPSON CORPORATION · JP

Inventors

Kiyoshi Tsujino · Nagano, JP
Nozomu Inoue · Nagano, JP
Yujiro Nomura · Shiojiri, JP
Ken Ikuma · Suwa, JP

Key dates

Filing date	Jan 18, 2008
Grant date	Nov 16, 2010
Priority date	—
Expiry date	Feb 1, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG02B27/0961
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A line head includes: a first lens array having a plurality of first lenses each having a convex surface as a light incidence surface; a second lens array that is arranged at a light-emitting surface side of the first lens array so as to be opposite to the first lens array and that has a plurality of second lenses, which are arranged at positions corresponding to the plurality of first lenses and each of which has a convex surface as a light incidence surface; and at least a light-emitting element provided for each of the first lenses at a light incidence side of the first lens array.

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