USPatent applicationPatented

Prism lens for a head-mounted display

Granted 16 Sep 2014 · 1 office action

Assignee: Seiko Epson Corporation

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Inventors: Yoshihiro Tatara, Masayuki Takagi, Takashi Takeda, Akira Komatsu +4 · Examiner: Paula Greene · AU 2912 · TC 2900

Application· this page
29/459,094
filed 26 Jun 2013
Publication
Not published
not published
Patent
US D713438
granted 16 Sep 2014

Life of the application

7 dated events
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Description

1 parts
›FIG. 1A is a front, top and right…

FIG. 1A is a front, top and right side perspective view of a prism lens for a head-mounted display showing our new design;

FIG. 1B is like FIG. 1A except that the environmental subject matter has been removed;

FIG. 2A is a rear, bottom and left side perspective view thereof;

FIG. 2B is like FIG. 2A except that the environmental subject matter has been removed;

FIG. 3A is a front view thereof;

FIG. 3B is like FIG. 3A except that the environmental subject matter has been removed;

FIG. 4 Ais a rear view thereof;

FIG. 4B is like FIG. 4A except that the environmental subject matter has been removed;

FIG. 5A is a left side view thereof;

FIG. 5B is like FIG. 5A except that the environmental subject matter has been removed;

FIG. 6A is a right side view thereof;

FIG. 6B is like FIG. 6A except that the environmental subject matter has been removed;

FIG. 7A is a top plan view thereof;

FIG. 7B is like FIG. 7A except that the environmental subject matter has been removed;

FIG. 8A is a bottom plan view thereof;

FIG. 8B is like FIG. 8A except that the environmental subject matter has been removed;

FIG. 9 is a cross-sectional view taken along line 9 - 9 in FIG. 3A ; and,

FIG. 10 is a cross-sectional view taken along line 10 - 10 in FIG. 3A .

The features shown in broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. The entire prism lens is transparent or translucent, and an interface of the lens elements, which is visible through the transparent or translucent material, is depicted in solid lines.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims as granted

1 claim

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Classifications

2 codes
USPC · US Patent Classification
D16/134D16/137

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File wrapper

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Pendency
1.2 y
447 days filing → grant
Office actions
1
non-final + final
Responses
1
no RCE
Examiner
Paula Greene
art unit 2912 · TC 2900
Citations: 16 back · 0 forward

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Documents

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Chain of title

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