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1. (IN522/CHENP/2008) PLASTIC ROD LENS, ROD LENS ARRAY, ROD LENS PLATE, IMAGE SENSOR AND PRINTER

Office : India
Application Number: 522/CHENP/2008 Application Date: 31.01.2008
Publication Number: 522/CHENP/2008 Publication Date: 19.09.2008
Grant Number: 256087 Grant Date: 03.05.2013
Publication Kind : B
Prior PCT appl.: Application Number:PCTJP2006314453 ; Publication Number:WO2007011013A1 Click to see the data
IPC:
G02B 3/00
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3
Simple or compound lenses
Applicants: MITSUBISHI RAYON CO, LTD
Inventors: ABE , HIROSHI
SAEKI, TAKASHI
NAKAGAWA, TSUYOSHI
HIROTA, NORIFUMI
Priority Data: 2005-212153 22.07.2005 JP
2005-239093 19.08.2005 JP
2006-029848 07.02.2006 JP
Title: (EN) PLASTIC ROD LENS, ROD LENS ARRAY, ROD LENS PLATE, IMAGE SENSOR AND PRINTER
Abstract:
(EN) A plastic rod lens having a cylindrical shape with a radius R including a centra! axis; and an outer peripheral portion, wherein a refractive index nP decreases from the central axis to the outer peripheral portion, and the folliwing requirements (1) to (31 are met:wherein n1, no, nA, and ns represent refraction index no in the outer peripheral portion, at the center, and at arbitrary points A and B, respectively, and v1, VA, and VB represent Abbe number v in the outer peripheral portion, and at the arbitrary points A and B, respectively.
Also published as:
KR1020080027882EP1909118US20090257128CN101223458JP4922759WO/2007/011013