US 2010/0246034 A1Published application

Lens Unit and Lens Driving Apparatus

AssigneeSharp Kabushiki Kaisha

InventorsRyohhei Kawamuki, Hideaki Fujita, Masayuki Nishikawa

Life of this patent

Estimating the term…

Loading patent…

Abstract

First to third guide members have first to third axis lines, and the first to third axis lines are arranged in parallel with each other. A first lens holder has a first lens held by a first lens holding portion with a first main sliding portion guided by sliding on the first guide member, and a first sub sliding portion guided by sliding on the third guide member. A second lens holder has a second lens held coaxially with the first lens by a second lens holding portion with a second main sliding portion guided by sliding on the second guide member, and a second sub sliding portion guided by the third guide member.

Claims17

Dependent claims

A lens unit comprising:

a first guide member having a first axis line;
second guide member having a second axis line parallel to the first axis line;
and
a third guide member having a third axis line parallel to the first and second axis lines,
the lens unit comprising:
a first lens holder having a first main sliding portion which is guided by sliding on the first guide member, and a first sub sliding portion which is guided by sliding on the third guide member and smaller than the first main sliding portion as viewed along the first axis line;
and
a second lens holder having a second main sliding portion which is guided by sliding on the second guide member, and a second sub sliding portion which is guided by sliding on the third guide member and smaller than the second main sliding portion as viewed along the second axis line.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 12/083,767Filed 17 Oct 2006
Priority: JP 2005 30336518 Oct 2005
Published: 30 Sep 2010
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

G02B 7/102
By relative axial movement of several lenses, e.g. of varifocal objective lens: controlled by a microcomputer
G03B 3/02
Focusing arrangements of general interest for cameras, projectors or printers: moving lens along baseboard
G03B 3/10
Focusing arrangements of general interest for cameras, projectors or printers: power-operated focusing
G02B
Optical elements, systems or apparatus

Family

US 8,300,331 B2Related patent
US 2010/0246034 A1This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key